Cosmic-Ray Neutron Monitor Data (Hourly, Pressure-Corrected and Scale-Adjusted Counts) Collections: WDC for Cosmic Rays, Solar-Terrestrial Environment Laboratory, Nagoya Univ. Data Access: http://center.stelab.nagoya-u.ac.jp/WDCCR/index.html Project: ICSU WDC Citation: WDC for Cosmic Rays, Solar-Terrestrial Environment Laboratory, Nagoya University Station ID: CHICAG Station: CHICAGO, USA, ENRICO FERMI INST. FOR NUCLEAR STUDIES, CHICAGO, USA Instrument: IGY NEUTRON MONITOR, CORRECTED FOR PRESSURE TO 750.0 MMHG, COEF. = -0.96 %/MMHG Latitude (deg.): 41.83 Longitude (deg.): -87.67 Altitude (m): 49.00 Cut-Off Rigidity (GV): 1.72 Year: 1957 Month: 6 Scaling Factor (SF): 8.0 Constant (CONST): 0.0 Real Counts = (DATA + CONST)*SF Temporal Resolution: 1 hour UTC Start Hour: 0.0 Monthly Average: 2802.5 Updated (YYYY MM DD): 1989 04 18 ******************************************************************************************* ID YYYY MM DD 1 0 1 2 3 4 5 6 7 8 9 10 11 ID YYYY MM DD 2 12 13 14 15 16 17 18 19 20 21 22 23 ******************************************************************************************* CHICAG 1957 06 01 1 2763 2763 2875 2875 2789 2789 2774 2774 2793 2793 2809 2809 CHICAG 1957 06 01 2 2800 2800 2815 2815 2808 2808 2799 2799 2806 2806 2852 2852 CHICAG 1957 06 02 1 2806 2806 2804 2804 2815 2815 2859 2859 2810 2810 2815 2815 CHICAG 1957 06 02 2 2799 2799 2849 2849 2839 2839 2835 2835 2823 2823 2856 2856 CHICAG 1957 06 03 1 2824 2824 2870 2870 2856 2856 2808 2808 2836 2836 2871 2871 CHICAG 1957 06 03 2 2865 2865 2799 2799 2849 2849 2838 2838 2809 2809 2802 2802 CHICAG 1957 06 04 1 2791 2791 2782 2782 2793 2793 2812 2812 2812 2812 2840 2840 CHICAG 1957 06 04 2 2843 2843 2801 2801 2848 2848 2848 2848 2833 2833 2822 2822 CHICAG 1957 06 05 1 2805 2805 2817 2817 2808 2808 2812 2812 2797 2797 2817 2817 CHICAG 1957 06 05 2 2791 2791 2810 2810 2796 2796 2800 2800 2798 2798 2828 2828 CHICAG 1957 06 06 1 2793 2793 2821 2821 2771 2771 2774 2774 2794 2794 2778 2778 CHICAG 1957 06 06 2 2789 2789 2792 2792 2859 2859 2835 2835 2809 2809 2777 2777 CHICAG 1957 06 07 1 2757 2757 2755 2755 2760 2760 2753 2753 2777 2777 2811 2811 CHICAG 1957 06 07 2 2816 2816 2849 2849 2814 2814 2808 2808 2786 2786 2758 2758 CHICAG 1957 06 08 1 2757 2757 2778 2778 2745 2745 2801 2801 2821 2821 2809 2809 CHICAG 1957 06 08 2 2830 2830 2806 2806 2845 2845 2812 2812 2794 2794 2866 2866 CHICAG 1957 06 09 1 2851 2851 2824 2824 2836 2836 2865 2865 2825 2825 2853 2853 CHICAG 1957 06 09 2 2837 2837 2847 2847 2881 2881 2902 2902 2832 2832 2833 2833 CHICAG 1957 06 10 1 2829 2829 2808 2808 2817 2817 2843 2843 2860 2860 2855 2855 CHICAG 1957 06 10 2 2847 2847 2875 2875 2859 2859 2873 2873 2836 2836 2817 2817 CHICAG 1957 06 11 1 2838 2838 2861 2861 2845 2845 2826 2826 2822 2822 2870 2870 CHICAG 1957 06 11 2 2874 2874 2845 2845 2857 2857 2852 2852 2846 2846 2836 2836 CHICAG 1957 06 12 1 2894 2894 2847 2847 2860 2860 2846 2846 2863 2863 2805 2805 CHICAG 1957 06 12 2 2848 2848 2876 2876 2869 2869 2857 2857 99999 99999 2882 2882 CHICAG 1957 06 13 1 2851 2851 2851 2851 2880 2880 99999 99999 2851 2851 2887 2887 CHICAG 1957 06 13 2 2870 2870 2858 2858 2865 2865 2913 2913 2907 2907 2886 2886 CHICAG 1957 06 14 1 2884 2884 2863 2863 2895 2895 2883 2883 2883 2883 2910 2910 CHICAG 1957 06 14 2 2870 2870 2850 2850 2846 2846 2889 2889 2850 2850 2891 2891 CHICAG 1957 06 15 1 2853 2853 2876 2876 2888 2888 2882 2882 2873 2873 2899 2899 CHICAG 1957 06 15 2 2843 2843 2895 2895 2836 2836 2863 2863 2884 2884 2872 2872 CHICAG 1957 06 16 1 2867 2867 2852 2852 2808 2808 2865 2865 2844 2844 2824 2824 CHICAG 1957 06 16 2 2859 2859 2820 2820 2816 2816 2849 2849 2814 2814 2864 2864 CHICAG 1957 06 17 1 2899 2899 2844 2844 2858 2858 2860 2860 2867 2867 2830 2830 CHICAG 1957 06 17 2 2863 2863 2859 2859 2875 2875 2815 2815 2834 2834 2837 2837 CHICAG 1957 06 18 1 2813 2813 2869 2869 2842 2842 2846 2846 2860 2860 2831 2831 CHICAG 1957 06 18 2 99999 99999 99999 99999 2878 2878 2840 2840 2820 2820 2845 2845 CHICAG 1957 06 19 1 2806 2806 2811 2811 2849 2849 2797 2797 2802 2802 2833 2833 CHICAG 1957 06 19 2 2834 2834 2822 2822 2858 2858 2858 2858 2836 2836 2834 2834 CHICAG 1957 06 20 1 2825 2825 2835 2835 2836 2836 2831 2831 2813 2813 2823 2823 CHICAG 1957 06 20 2 2805 2805 2821 2821 2804 2804 2847 2847 2802 2802 2803 2803 CHICAG 1957 06 21 1 2835 2835 2801 2801 2817 2817 2803 2803 2816 2816 2827 2827 CHICAG 1957 06 21 2 2815 2815 2824 2824 2827 2827 2807 2807 2817 2817 2848 2848 CHICAG 1957 06 22 1 2861 2861 2822 2822 2802 2802 2808 2808 2776 2776 2799 2799 CHICAG 1957 06 22 2 2769 2769 2764 2764 2747 2747 2765 2765 2826 2826 2795 2795 CHICAG 1957 06 23 1 2827 2827 2800 2800 2766 2766 2734 2734 2735 2735 2744 2744 CHICAG 1957 06 23 2 2760 2760 2706 2706 2743 2743 2691 2691 2710 2710 2717 2717 CHICAG 1957 06 24 1 2721 2721 2728 2728 2711 2711 2712 2712 2732 2732 2720 2720 CHICAG 1957 06 24 2 2700 2700 2748 2748 2693 2693 2716 2716 2720 2720 2715 2715 CHICAG 1957 06 25 1 2741 2741 2723 2723 2737 2737 2704 2704 2743 2743 2727 2727 CHICAG 1957 06 25 2 2743 2743 2721 2721 2744 2744 2720 2720 2709 2709 2709 2709 CHICAG 1957 06 26 1 2704 2704 2712 2712 2696 2696 2698 2698 2730 2730 2706 2706 CHICAG 1957 06 26 2 2685 2685 2753 2753 2718 2718 2732 2732 2704 2704 2706 2706 CHICAG 1957 06 27 1 2717 2717 2720 2720 2731 2731 2737 2737 2722 2722 2719 2719 CHICAG 1957 06 27 2 2728 2728 99999 99999 99999 99999 99999 99999 99999 99999 99999 99999 CHICAG 1957 06 28 1 2686 2686 2716 2716 2706 2706 2709 2709 2677 2677 2711 2711 CHICAG 1957 06 28 2 99999 99999 99999 99999 99999 99999 99999 99999 99999 99999 99999 99999 CHICAG 1957 06 29 1 2702 2702 2707 2707 2693 2693 2722 2722 2701 2701 2741 2741 CHICAG 1957 06 29 2 2716 2716 2724 2724 2711 2711 2724 2724 2708 2708 2706 2706 CHICAG 1957 06 30 1 2727 2727 2691 2691 2703 2703 2707 2707 2634 2634 2661 2661 CHICAG 1957 06 30 2 2649 2649 2640 2640 2642 2642 2631 2631 2633 2633 2630 2630 CHICAG 1957 06 31 1 99999 99999 99999 99999 99999 99999 99999 99999 99999 99999 99999 99999 CHICAG 1957 06 31 2 99999 99999 99999 99999 99999 99999 99999 99999 99999 99999 99999 99999 Cosmic-Ray Neutron Monitor Data (Hourly, Pressure-Corrected and Scale-Adjusted Counts) Collections: WDC for Cosmic Rays, Solar-Terrestrial Environment Laboratory, Nagoya Univ. Data Access: http://center.stelab.nagoya-u.ac.jp/WDCCR/index.html Project: ICSU WDC Citation: WDC for Cosmic Rays, Solar-Terrestrial Environment Laboratory, Nagoya University Station ID: CHICAG Station: CHICAGO, USA, ENRICO FERMI INST. FOR NUCLEAR STUDIES, CHICAGO, USA Instrument: IGY NEUTRON MONITOR, CORRECTED FOR PRESSURE TO 750.0 MMHG, COEF. = -0.96 %/MMHG Latitude (deg.): 41.83 Longitude (deg.): -87.67 Altitude (m): 49.00 Cut-Off Rigidity (GV): 1.72 Year: 1957 Month: 7 Scaling Factor (SF): 8.0 Constant (CONST): 0.0 Real Counts = (DATA + CONST)*SF Temporal Resolution: 1 hour UTC Start Hour: 0.0 Monthly Average: 2773.8 Updated (YYYY MM DD): 1990 12 05 ******************************************************************************************* ID YYYY MM DD 1 0 1 2 3 4 5 6 7 8 9 10 11 ID YYYY MM DD 2 12 13 14 15 16 17 18 19 20 21 22 23 ******************************************************************************************* CHICAG 1957 07 01 1 99999 99999 99999 99999 99999 99999 2633 2633 2640 2640 2680 2680 CHICAG 1957 07 01 2 2650 2650 2745 2745 2720 2720 2710 2710 2698 2698 2668 2668 CHICAG 1957 07 02 1 2701 2701 99999 99999 99999 99999 99999 99999 99999 99999 2688 2688 CHICAG 1957 07 02 2 99999 99999 99999 99999 99999 99999 99999 99999 99999 99999 99999 99999 CHICAG 1957 07 03 1 2662 2662 2650 2650 2648 2648 2625 2625 2608 2608 2586 2586 CHICAG 1957 07 03 2 99999 99999 99999 99999 99999 99999 99999 99999 99999 99999 2656 2656 CHICAG 1957 07 04 1 2661 2661 2624 2624 2635 2635 2637 2637 2666 2666 2691 2691 CHICAG 1957 07 04 2 2691 2691 2652 2652 2670 2670 2672 2672 2702 2702 2688 2688 CHICAG 1957 07 05 1 2676 2676 2684 2684 2646 2646 99999 99999 99999 99999 99999 99999 CHICAG 1957 07 05 2 99999 99999 99999 99999 99999 99999 99999 99999 99999 99999 99999 99999 CHICAG 1957 07 06 1 99999 99999 99999 99999 2650 2650 2620 2620 2660 2660 2659 2659 CHICAG 1957 07 06 2 2648 2648 2633 2633 2658 2658 2622 2622 2632 2632 2671 2671 CHICAG 1957 07 07 1 2648 2648 2645 2645 2658 2658 2649 2649 2653 2653 2638 2638 CHICAG 1957 07 07 2 2667 2667 2654 2654 2674 2674 99999 99999 2703 2703 2684 2684 CHICAG 1957 07 08 1 2678 2678 2674 2674 2678 2678 2666 2666 2668 2668 2721 2721 CHICAG 1957 07 08 2 2715 2715 2715 2715 2730 2730 2702 2702 2731 2731 2688 2688 CHICAG 1957 07 09 1 2710 2710 2691 2691 2680 2680 2725 2725 2701 2701 2699 2699 CHICAG 1957 07 09 2 2699 2699 2722 2722 2754 2754 2758 2758 2755 2755 2765 2765 CHICAG 1957 07 10 1 2729 2729 2749 2749 2742 2742 2743 2743 2752 2752 2747 2747 CHICAG 1957 07 10 2 2748 2748 99999 99999 99999 99999 99999 99999 99999 99999 2766 2766 CHICAG 1957 07 11 1 2746 2746 2769 2769 2790 2790 2740 2740 2763 2763 2742 2742 CHICAG 1957 07 11 2 2751 2751 2744 2744 2780 2780 2784 2784 2772 2772 2776 2776 CHICAG 1957 07 12 1 2767 2767 2789 2789 2743 2743 2810 2810 2769 2769 2756 2756 CHICAG 1957 07 12 2 99999 99999 2786 2786 2776 2776 2790 2790 2756 2756 2762 2762 CHICAG 1957 07 13 1 2747 2747 2796 2796 2804 2804 2779 2779 2774 2774 2808 2808 CHICAG 1957 07 13 2 2815 2815 2836 2836 2832 2832 2824 2824 2821 2821 2811 2811 CHICAG 1957 07 14 1 2809 2809 2783 2783 2815 2815 2792 2792 2795 2795 2781 2781 CHICAG 1957 07 14 2 2799 2799 2801 2801 2795 2795 2818 2818 2806 2806 2807 2807 CHICAG 1957 07 15 1 2813 2813 2803 2803 2803 2803 2802 2802 2838 2838 2832 2832 CHICAG 1957 07 15 2 2796 2796 2817 2817 2809 2809 2812 2812 2832 2832 2806 2806 CHICAG 1957 07 16 1 2821 2821 2808 2808 2823 2823 2843 2843 2775 2775 2771 2771 CHICAG 1957 07 16 2 2796 2796 2799 2799 2815 2815 2829 2829 2826 2826 2814 2814 CHICAG 1957 07 17 1 2807 2807 2825 2825 2819 2819 2801 2801 2809 2809 2796 2796 CHICAG 1957 07 17 2 2797 2797 2814 2814 2807 2807 2829 2829 2834 2834 2835 2835 CHICAG 1957 07 18 1 2816 2816 99999 99999 2822 2822 2830 2830 2793 2793 2827 2827 CHICAG 1957 07 18 2 2810 2810 2835 2835 2801 2801 2820 2820 2829 2829 2824 2824 CHICAG 1957 07 19 1 2833 2833 2848 2848 2831 2831 2831 2831 2819 2819 2814 2814 CHICAG 1957 07 19 2 2837 2837 2801 2801 2824 2824 2810 2810 2767 2767 2790 2790 CHICAG 1957 07 20 1 2780 2780 2759 2759 2740 2740 2757 2757 2768 2768 2783 2783 CHICAG 1957 07 20 2 2760 2760 2763 2763 2741 2741 2756 2756 2723 2723 2745 2745 CHICAG 1957 07 21 1 2767 2767 2755 2755 2782 2782 2803 2803 2775 2775 2781 2781 CHICAG 1957 07 21 2 2760 2760 2772 2772 2795 2795 2775 2775 2796 2796 2781 2781 CHICAG 1957 07 22 1 2779 2779 2789 2789 2821 2821 2786 2786 2746 2746 2756 2756 CHICAG 1957 07 22 2 2792 2792 2731 2731 2754 2754 2799 2799 2782 2782 2767 2767 CHICAG 1957 07 23 1 2738 2738 2728 2728 2770 2770 2732 2732 2728 2728 2749 2749 CHICAG 1957 07 23 2 2746 2746 2748 2748 2739 2739 2790 2790 2802 2802 2789 2789 CHICAG 1957 07 24 1 2797 2797 2807 2807 2763 2763 2826 2826 2785 2785 99999 99999 CHICAG 1957 07 24 2 2808 2808 99999 99999 2826 2826 2806 2806 2808 2808 2846 2846 CHICAG 1957 07 25 1 2839 2839 2849 2849 2862 2862 2850 2850 2829 2829 2797 2797 CHICAG 1957 07 25 2 2833 2833 2812 2812 2853 2853 2853 2853 2845 2845 2877 2877 CHICAG 1957 07 26 1 2857 2857 2823 2823 2842 2842 2855 2855 2832 2832 2852 2852 CHICAG 1957 07 26 2 2799 2799 2830 2830 2871 2871 2842 2842 2848 2848 2827 2827 CHICAG 1957 07 27 1 2830 2830 2853 2853 2885 2885 2912 2912 2855 2855 2870 2870 CHICAG 1957 07 27 2 2853 2853 2836 2836 2843 2843 2880 2880 99999 99999 2835 2835 CHICAG 1957 07 28 1 2855 2855 2818 2818 2822 2822 2821 2821 2800 2800 2824 2824 CHICAG 1957 07 28 2 2860 2860 2840 2840 2822 2822 2852 2852 2845 2845 2853 2853 CHICAG 1957 07 29 1 2832 2832 2825 2825 2813 2813 2790 2790 2786 2786 2789 2789 CHICAG 1957 07 29 2 2785 2785 2834 2834 2862 2862 2820 2820 2848 2848 2813 2813 CHICAG 1957 07 30 1 2827 2827 2798 2798 2831 2831 2830 2830 2822 2822 2779 2779 CHICAG 1957 07 30 2 2809 2809 2851 2851 2848 2848 2824 2824 2847 2847 2829 2829 CHICAG 1957 07 31 1 2834 2834 2827 2827 2827 2827 2832 2832 2827 2827 2799 2799 CHICAG 1957 07 31 2 2797 2797 99999 99999 2831 2831 2813 2813 2842 2842 2824 2824 Cosmic-Ray Neutron Monitor Data (Hourly, Pressure-Corrected and Scale-Adjusted Counts) Collections: WDC for Cosmic Rays, Solar-Terrestrial Environment Laboratory, Nagoya Univ. Data Access: http://center.stelab.nagoya-u.ac.jp/WDCCR/index.html Project: ICSU WDC Citation: WDC for Cosmic Rays, Solar-Terrestrial Environment Laboratory, Nagoya University Station ID: CHICAG Station: CHICAGO, USA, ENRICO FERMI INST. FOR NUCLEAR STUDIES, CHICAGO, USA Instrument: IGY NEUTRON MONITOR, CORRECTED FOR PRESSURE TO 750.0 MMHG, COEF. = -0.96 %/MMHG Latitude (deg.): 41.83 Longitude (deg.): -87.67 Altitude (m): 49.00 Cut-Off Rigidity (GV): 1.72 Year: 1957 Month: 8 Scaling Factor (SF): 8.0 Constant (CONST): 0.0 Real Counts = (DATA + CONST)*SF Temporal Resolution: 1 hour UTC Start Hour: 0.0 Monthly Average: 2786.2 Updated (YYYY MM DD): 1989 04 18 ******************************************************************************************* ID YYYY MM DD 1 0 1 2 3 4 5 6 7 8 9 10 11 ID YYYY MM DD 2 12 13 14 15 16 17 18 19 20 21 22 23 ******************************************************************************************* CHICAG 1957 08 01 1 2836 2836 2842 2842 2837 2837 2818 2818 2841 2841 2821 2821 CHICAG 1957 08 01 2 2824 2824 2789 2789 2826 2826 2819 2819 2851 2851 2840 2840 CHICAG 1957 08 02 1 2816 2816 2814 2814 2816 2816 2828 2828 2813 2813 2791 2791 CHICAG 1957 08 02 2 99999 99999 2783 2783 2803 2803 2809 2809 2828 2828 2812 2812 CHICAG 1957 08 03 1 99999 99999 2831 2831 2824 2824 2818 2818 2840 2840 2866 2866 CHICAG 1957 08 03 2 2834 2834 2824 2824 2888 2888 2816 2816 2820 2820 2789 2789 CHICAG 1957 08 04 1 2791 2791 2784 2784 2790 2790 2764 2764 2769 2769 2740 2740 CHICAG 1957 08 04 2 2730 2730 2727 2727 2696 2696 2683 2683 2675 2675 2711 2711 CHICAG 1957 08 05 1 2753 2753 2745 2745 2731 2731 2642 2642 2684 2684 2637 2637 CHICAG 1957 08 05 2 2639 2639 2670 2670 2689 2689 2728 2728 2693 2693 2714 2714 CHICAG 1957 08 06 1 2660 2660 2634 2634 2648 2648 2749 2749 2713 2713 2706 2706 CHICAG 1957 08 06 2 2725 2725 2717 2717 2699 2699 2700 2700 2703 2703 2713 2713 CHICAG 1957 08 07 1 2701 2701 2689 2689 2683 2683 2708 2708 2666 2666 2678 2678 CHICAG 1957 08 07 2 2699 2699 99999 99999 2730 2730 2729 2729 2715 2715 2696 2696 CHICAG 1957 08 08 1 2711 2711 2651 2651 2698 2698 2700 2700 2682 2682 2727 2727 CHICAG 1957 08 08 2 2725 2725 2735 2735 2699 2699 2746 2746 2753 2753 2705 2705 CHICAG 1957 08 09 1 2728 2728 2723 2723 2832 2832 2750 2750 2775 2775 2762 2762 CHICAG 1957 08 09 2 2738 2738 2735 2735 2735 2735 2763 2763 99999 99999 2792 2792 CHICAG 1957 08 10 1 2747 2747 2712 2712 2737 2737 2733 2733 2768 2768 2756 2756 CHICAG 1957 08 10 2 2785 2785 2796 2796 2827 2827 2820 2820 2794 2794 2762 2762 CHICAG 1957 08 11 1 2777 2777 2777 2777 2719 2719 2718 2718 2732 2732 2748 2748 CHICAG 1957 08 11 2 2748 2748 2761 2761 2773 2773 2778 2778 2777 2777 2758 2758 CHICAG 1957 08 12 1 2756 2756 2784 2784 2761 2761 2774 2774 2773 2773 2767 2767 CHICAG 1957 08 12 2 2761 2761 2738 2738 2764 2764 2807 2807 2813 2813 2767 2767 CHICAG 1957 08 13 1 2796 2796 2779 2779 2758 2758 2801 2801 2795 2795 2768 2768 CHICAG 1957 08 13 2 2780 2780 2751 2751 2796 2796 99999 99999 2798 2798 2791 2791 CHICAG 1957 08 14 1 2802 2802 2805 2805 2801 2801 2772 2772 2801 2801 2765 2765 CHICAG 1957 08 14 2 2826 2826 2793 2793 2833 2833 2829 2829 2795 2795 2823 2823 CHICAG 1957 08 15 1 2852 2852 2808 2808 2855 2855 2829 2829 2792 2792 2816 2816 CHICAG 1957 08 15 2 2863 2863 2802 2802 2806 2806 2823 2823 2833 2833 2830 2830 CHICAG 1957 08 16 1 2838 2838 2819 2819 2804 2804 2798 2798 2804 2804 2804 2804 CHICAG 1957 08 16 2 2797 2797 2814 2814 2821 2821 99999 99999 2809 2809 2806 2806 CHICAG 1957 08 17 1 2806 2806 2785 2785 2796 2796 2827 2827 2757 2757 2789 2789 CHICAG 1957 08 17 2 2853 2853 99999 99999 2831 2831 2802 2802 99999 99999 2837 2837 CHICAG 1957 08 18 1 2803 2803 2840 2840 2838 2838 2834 2834 2815 2815 2816 2816 CHICAG 1957 08 18 2 2843 2843 2889 2889 2915 2915 2848 2848 2906 2906 2951 2951 CHICAG 1957 08 19 1 2894 2894 2881 2881 2865 2865 2837 2837 2839 2839 2873 2873 CHICAG 1957 08 19 2 2927 2927 2872 2872 2871 2871 2875 2875 2936 2936 2924 2924 CHICAG 1957 08 20 1 2924 2924 2946 2946 2946 2946 2937 2937 2901 2901 2862 2862 CHICAG 1957 08 20 2 2866 2866 2828 2828 2904 2904 2896 2896 2903 2903 2883 2883 CHICAG 1957 08 21 1 2904 2904 2908 2908 2879 2879 2869 2869 2885 2885 2882 2882 CHICAG 1957 08 21 2 2863 2863 2872 2872 2962 2962 2944 2944 2940 2940 2909 2909 CHICAG 1957 08 22 1 2909 2909 2850 2850 2858 2858 2854 2854 99999 99999 2881 2881 CHICAG 1957 08 22 2 2848 2848 2847 2847 2852 2852 2899 2899 2900 2900 2888 2888 CHICAG 1957 08 23 1 2917 2917 2884 2884 2866 2866 2847 2847 2848 2848 2880 2880 CHICAG 1957 08 23 2 2880 2880 2873 2873 2931 2931 2914 2914 2913 2913 2896 2896 CHICAG 1957 08 24 1 2870 2870 99999 99999 2856 2856 2857 2857 2882 2882 2898 2898 CHICAG 1957 08 24 2 99999 99999 2879 2879 2910 2910 99999 99999 2890 2890 2905 2905 CHICAG 1957 08 25 1 2901 2901 2849 2849 2836 2836 2863 2863 2856 2856 2847 2847 CHICAG 1957 08 25 2 2838 2838 2844 2844 2874 2874 2881 2881 2881 2881 2838 2838 CHICAG 1957 08 26 1 99999 99999 2841 2841 2813 2813 99999 99999 2849 2849 2806 2806 CHICAG 1957 08 26 2 2820 2820 2818 2818 2854 2854 2869 2869 2799 2799 2816 2816 CHICAG 1957 08 27 1 2802 2802 2830 2830 2792 2792 2764 2764 2749 2749 2787 2787 CHICAG 1957 08 27 2 2762 2762 2818 2818 2779 2779 2822 2822 2804 2804 2809 2809 CHICAG 1957 08 28 1 2784 2784 2764 2764 2759 2759 2757 2757 2767 2767 2757 2757 CHICAG 1957 08 28 2 2763 2763 2774 2774 2756 2756 2755 2755 2798 2798 2766 2766 CHICAG 1957 08 29 1 2793 2793 2821 2821 2729 2729 2771 2771 2776 2776 2771 2771 CHICAG 1957 08 29 2 2758 2758 2809 2809 2806 2806 2805 2805 2764 2764 2634 2634 CHICAG 1957 08 30 1 2611 2611 2563 2563 2563 2563 2572 2572 2522 2522 2521 2521 CHICAG 1957 08 30 2 2521 2521 2528 2528 2499 2499 99999 99999 2509 2509 2530 2530 CHICAG 1957 08 31 1 2546 2546 2520 2520 2571 2571 2537 2537 2542 2542 2568 2568 CHICAG 1957 08 31 2 2543 2543 2548 2548 2553 2553 2566 2566 2575 2575 2579 2579 Cosmic-Ray Neutron Monitor Data (Hourly, Pressure-Corrected and Scale-Adjusted Counts) Collections: WDC for Cosmic Rays, Solar-Terrestrial Environment Laboratory, Nagoya Univ. Data Access: http://center.stelab.nagoya-u.ac.jp/WDCCR/index.html Project: ICSU WDC Citation: WDC for Cosmic Rays, Solar-Terrestrial Environment Laboratory, Nagoya University Station ID: CHICAG Station: CHICAGO, USA, ENRICO FERMI INST. FOR NUCLEAR STUDIES, CHICAGO, USA Instrument: IGY NEUTRON MONITOR, CORRECTED FOR PRESSURE TO 750.0 MMHG, COEF. = -0.96 %/MMHG Latitude (deg.): 41.83 Longitude (deg.): -87.67 Altitude (m): 49.00 Cut-Off Rigidity (GV): 1.72 Year: 1957 Month: 9 Scaling Factor (SF): 8.0 Constant (CONST): 0.0 Real Counts = (DATA + CONST)*SF Temporal Resolution: 1 hour UTC Start Hour: 0.0 Monthly Average: 2705.4 Updated (YYYY MM DD): 1990 12 05 ******************************************************************************************* ID YYYY MM DD 1 0 1 2 3 4 5 6 7 8 9 10 11 ID YYYY MM DD 2 12 13 14 15 16 17 18 19 20 21 22 23 ******************************************************************************************* CHICAG 1957 09 01 1 2567 2567 2569 2569 2556 2556 2617 2617 2610 2610 2591 2591 CHICAG 1957 09 01 2 2601 2601 2605 2605 2575 2575 2577 2577 2575 2575 2582 2582 CHICAG 1957 09 02 1 2595 2595 2620 2620 2597 2597 2569 2569 2501 2501 2547 2547 CHICAG 1957 09 02 2 2567 2567 2592 2592 2630 2630 2604 2604 2585 2585 2590 2590 CHICAG 1957 09 03 1 99999 99999 2494 2494 99999 99999 2495 2495 2511 2511 2531 2531 CHICAG 1957 09 03 2 99999 99999 99999 99999 2538 2538 2550 2550 2563 2563 2567 2567 CHICAG 1957 09 04 1 2495 2495 99999 99999 99999 99999 99999 99999 99999 99999 99999 99999 CHICAG 1957 09 04 2 2535 2535 99999 99999 99999 99999 99999 99999 99999 99999 2520 2520 CHICAG 1957 09 05 1 99999 99999 99999 99999 99999 99999 99999 99999 99999 99999 99999 99999 CHICAG 1957 09 05 2 99999 99999 2579 2579 2598 2598 2613 2613 2631 2631 2594 2594 CHICAG 1957 09 06 1 2597 2597 2603 2603 2616 2616 2569 2569 2601 2601 2557 2557 CHICAG 1957 09 06 2 2602 2602 2603 2603 2614 2614 2618 2618 2635 2635 2650 2650 CHICAG 1957 09 07 1 2626 2626 2599 2599 2595 2595 2582 2582 2617 2617 2558 2558 CHICAG 1957 09 07 2 2584 2584 2602 2602 99999 99999 99999 99999 99999 99999 2642 2642 CHICAG 1957 09 08 1 2630 2630 2620 2620 2610 2610 2594 2594 2599 2599 2606 2606 CHICAG 1957 09 08 2 2629 2629 2632 2632 2627 2627 2621 2621 2637 2637 2616 2616 CHICAG 1957 09 09 1 2661 2661 2588 2588 2635 2635 2627 2627 2651 2651 2644 2644 CHICAG 1957 09 09 2 2626 2626 2676 2676 2687 2687 2698 2698 2689 2689 2653 2653 CHICAG 1957 09 10 1 2679 2679 2668 2668 2666 2666 2705 2705 2679 2679 2681 2681 CHICAG 1957 09 10 2 2650 2650 99999 99999 99999 99999 2687 2687 2742 2742 2683 2683 CHICAG 1957 09 11 1 2700 2700 2702 2702 2680 2680 2696 2696 2726 2726 2687 2687 CHICAG 1957 09 11 2 2683 2683 2695 2695 2708 2708 2723 2723 2718 2718 2731 2731 CHICAG 1957 09 12 1 2692 2692 2731 2731 2695 2695 2722 2722 2711 2711 2735 2735 CHICAG 1957 09 12 2 2708 2708 2701 2701 2768 2768 2747 2747 2745 2745 2694 2694 CHICAG 1957 09 13 1 2733 2733 2714 2714 2595 2595 2662 2662 2730 2730 2636 2636 CHICAG 1957 09 13 2 2685 2685 2686 2686 2679 2679 2705 2705 2688 2688 2684 2684 CHICAG 1957 09 14 1 2645 2645 2649 2649 2679 2679 2695 2695 2700 2700 2672 2672 CHICAG 1957 09 14 2 2673 2673 2681 2681 2699 2699 2678 2678 2700 2700 99999 99999 CHICAG 1957 09 15 1 99999 99999 2680 2680 2663 2663 2709 2709 2732 2732 2693 2693 CHICAG 1957 09 15 2 2685 2685 2689 2689 2691 2691 2724 2724 2751 2751 2732 2732 CHICAG 1957 09 16 1 2756 2756 2715 2715 2700 2700 2724 2724 2695 2695 2738 2738 CHICAG 1957 09 16 2 2782 2782 2756 2756 2802 2802 2807 2807 2790 2790 2773 2773 CHICAG 1957 09 17 1 2757 2757 2759 2759 2770 2770 2781 2781 2810 2810 2784 2784 CHICAG 1957 09 17 2 2795 2795 2813 2813 2887 2887 2883 2883 2874 2874 2832 2832 CHICAG 1957 09 18 1 2828 2828 2785 2785 2790 2790 2799 2799 2819 2819 2807 2807 CHICAG 1957 09 18 2 2810 2810 2822 2822 2882 2882 2875 2875 2868 2868 2833 2833 CHICAG 1957 09 19 1 2800 2800 2803 2803 2843 2843 2847 2847 2816 2816 2790 2790 CHICAG 1957 09 19 2 2779 2779 2822 2822 2844 2844 2814 2814 2808 2808 2796 2796 CHICAG 1957 09 20 1 2816 2816 2770 2770 2770 2770 2804 2804 2787 2787 2825 2825 CHICAG 1957 09 20 2 2821 2821 2837 2837 2848 2848 2901 2901 2842 2842 2849 2849 CHICAG 1957 09 21 1 2844 2844 2841 2841 2824 2824 2813 2813 2758 2758 2817 2817 CHICAG 1957 09 21 2 2872 2872 2832 2832 2810 2810 2762 2762 2752 2752 2761 2761 CHICAG 1957 09 22 1 2771 2771 2728 2728 2738 2738 2758 2758 2761 2761 2742 2742 CHICAG 1957 09 22 2 2780 2780 2782 2782 2737 2737 2712 2712 2688 2688 2706 2706 CHICAG 1957 09 23 1 2747 2747 2664 2664 2637 2637 2695 2695 2666 2666 2712 2712 CHICAG 1957 09 23 2 2678 2678 2694 2694 2689 2689 2688 2688 2684 2684 2647 2647 CHICAG 1957 09 24 1 2691 2691 2705 2705 2709 2709 2681 2681 2707 2707 2724 2724 CHICAG 1957 09 24 2 2722 2722 2745 2745 2712 2712 2744 2744 2751 2751 2728 2728 CHICAG 1957 09 25 1 2752 2752 2718 2718 2770 2770 2739 2739 2747 2747 2727 2727 CHICAG 1957 09 25 2 2758 2758 2765 2765 2784 2784 2758 2758 2779 2779 2770 2770 CHICAG 1957 09 26 1 2773 2773 2749 2749 2737 2737 2759 2759 2741 2741 2785 2785 CHICAG 1957 09 26 2 2801 2801 2703 2703 2788 2788 2760 2760 2774 2774 2801 2801 CHICAG 1957 09 27 1 2804 2804 2798 2798 2786 2786 2801 2801 2771 2771 2744 2744 CHICAG 1957 09 27 2 2767 2767 2769 2769 2804 2804 2767 2767 2809 2809 99999 99999 CHICAG 1957 09 28 1 2798 2798 2788 2788 2808 2808 2774 2774 2774 2774 2754 2754 CHICAG 1957 09 28 2 2760 2760 2796 2796 2794 2794 2853 2853 2790 2790 2785 2785 CHICAG 1957 09 29 1 2767 2767 2764 2764 2719 2719 2688 2688 2710 2710 2671 2671 CHICAG 1957 09 29 2 2727 2727 2639 2639 2646 2646 2620 2620 2640 2640 2626 2626 CHICAG 1957 09 30 1 2635 2635 2635 2635 2622 2622 2633 2633 2617 2617 2637 2637 CHICAG 1957 09 30 2 2678 2678 2686 2686 2614 2614 2668 2668 2677 2677 2674 2674 CHICAG 1957 09 31 1 99999 99999 99999 99999 99999 99999 99999 99999 99999 99999 99999 99999 CHICAG 1957 09 31 2 99999 99999 99999 99999 99999 99999 99999 99999 99999 99999 99999 99999 Cosmic-Ray Neutron Monitor Data (Hourly, Pressure-Corrected and Scale-Adjusted Counts) Collections: WDC for Cosmic Rays, Solar-Terrestrial Environment Laboratory, Nagoya Univ. Data Access: http://center.stelab.nagoya-u.ac.jp/WDCCR/index.html Project: ICSU WDC Citation: WDC for Cosmic Rays, Solar-Terrestrial Environment Laboratory, Nagoya University Station ID: CHICAG Station: CHICAGO, USA, ENRICO FERMI INST. FOR NUCLEAR STUDIES, CHICAGO, USA Instrument: IGY NEUTRON MONITOR, CORRECTED FOR PRESSURE TO 750.0 MMHG, COEF. = -0.96 %/MMHG Latitude (deg.): 41.83 Longitude (deg.): -87.67 Altitude (m): 49.00 Cut-Off Rigidity (GV): 1.72 Year: 1957 Month: 10 Scaling Factor (SF): 8.0 Constant (CONST): 0.0 Real Counts = (DATA + CONST)*SF Temporal Resolution: 1 hour UTC Start Hour: 0.0 Monthly Average: 2738.8 Updated (YYYY MM DD): 1990 12 05 ******************************************************************************************* ID YYYY MM DD 1 0 1 2 3 4 5 6 7 8 9 10 11 ID YYYY MM DD 2 12 13 14 15 16 17 18 19 20 21 22 23 ******************************************************************************************* CHICAG 1957 10 01 1 2668 2668 2632 2632 2666 2666 2668 2668 2643 2643 2641 2641 CHICAG 1957 10 01 2 2706 2706 2674 2674 2680 2680 2740 2740 2699 2699 2697 2697 CHICAG 1957 10 02 1 2678 2678 2662 2662 2675 2675 2693 2693 2708 2708 2693 2693 CHICAG 1957 10 02 2 2689 2689 2692 2692 2712 2712 2682 2682 2685 2685 2714 2714 CHICAG 1957 10 03 1 2691 2691 2678 2678 2703 2703 2741 2741 2741 2741 2661 2661 CHICAG 1957 10 03 2 2712 2712 2708 2708 2748 2748 2753 2753 2742 2742 2751 2751 CHICAG 1957 10 04 1 2692 2692 2728 2728 2742 2742 2716 2716 2731 2731 2751 2751 CHICAG 1957 10 04 2 2722 2722 2772 2772 2773 2773 2777 2777 2763 2763 2783 2783 CHICAG 1957 10 05 1 2749 2749 2765 2765 2729 2729 2712 2712 2731 2731 2721 2721 CHICAG 1957 10 05 2 2744 2744 2746 2746 2773 2773 2818 2818 2810 2810 2782 2782 CHICAG 1957 10 06 1 2714 2714 2735 2735 2758 2758 2721 2721 2733 2733 2731 2731 CHICAG 1957 10 06 2 2762 2762 2788 2788 2752 2752 2743 2743 2750 2750 2782 2782 CHICAG 1957 10 07 1 2770 2770 2732 2732 2769 2769 2716 2716 2746 2746 2729 2729 CHICAG 1957 10 07 2 2742 2742 2754 2754 2723 2723 2738 2738 2727 2727 2761 2761 CHICAG 1957 10 08 1 2715 2715 2740 2740 2727 2727 2732 2732 2713 2713 2735 2735 CHICAG 1957 10 08 2 2718 2718 2732 2732 2754 2754 2811 2811 2777 2777 2780 2780 CHICAG 1957 10 09 1 2756 2756 2771 2771 2809 2809 2761 2761 2763 2763 2779 2779 CHICAG 1957 10 09 2 2745 2745 2790 2790 2777 2777 2828 2828 2812 2812 2806 2806 CHICAG 1957 10 10 1 2811 2811 2814 2814 2810 2810 2823 2823 2781 2781 2788 2788 CHICAG 1957 10 10 2 2783 2783 2835 2835 2831 2831 2818 2818 2837 2837 2811 2811 CHICAG 1957 10 11 1 2818 2818 2839 2839 2816 2816 2817 2817 2781 2781 2800 2800 CHICAG 1957 10 11 2 99999 99999 2839 2839 2812 2812 2838 2838 2795 2795 2826 2826 CHICAG 1957 10 12 1 2838 2838 2786 2786 2781 2781 2789 2789 2830 2830 2814 2814 CHICAG 1957 10 12 2 2828 2828 2800 2800 2822 2822 2810 2810 2780 2780 2812 2812 CHICAG 1957 10 13 1 2788 2788 2798 2798 2832 2832 2842 2842 2841 2841 2850 2850 CHICAG 1957 10 13 2 2820 2820 2881 2881 2850 2850 2836 2836 2809 2809 2811 2811 CHICAG 1957 10 14 1 2799 2799 2814 2814 2823 2823 2806 2806 2806 2806 2793 2793 CHICAG 1957 10 14 2 2822 2822 2819 2819 2821 2821 2828 2828 2796 2796 2813 2813 CHICAG 1957 10 15 1 2764 2764 2766 2766 2797 2797 2793 2793 2761 2761 2810 2810 CHICAG 1957 10 15 2 2756 2756 2760 2760 2801 2801 2799 2799 2812 2812 2769 2769 CHICAG 1957 10 16 1 2807 2807 2811 2811 2797 2797 2789 2789 2792 2792 2790 2790 CHICAG 1957 10 16 2 2787 2787 2802 2802 2831 2831 2757 2757 2796 2796 2805 2805 CHICAG 1957 10 17 1 2789 2789 2810 2810 2770 2770 2768 2768 2791 2791 2776 2776 CHICAG 1957 10 17 2 2826 2826 2796 2796 2773 2773 2775 2775 2818 2818 2775 2775 CHICAG 1957 10 18 1 2739 2739 2726 2726 2775 2775 2737 2737 2755 2755 2760 2760 CHICAG 1957 10 18 2 2814 2814 2794 2794 2821 2821 2777 2777 99999 99999 99999 99999 CHICAG 1957 10 19 1 99999 99999 99999 99999 99999 99999 99999 99999 99999 99999 99999 99999 CHICAG 1957 10 19 2 99999 99999 2783 2783 2771 2771 2810 2810 2793 2793 2787 2787 CHICAG 1957 10 20 1 2822 2822 2787 2787 2765 2765 2803 2803 2787 2787 2782 2782 CHICAG 1957 10 20 2 2815 2815 2805 2805 2797 2797 2839 2839 2814 2814 2822 2822 CHICAG 1957 10 21 1 2813 2813 2826 2826 2802 2802 2804 2804 2813 2813 2808 2808 CHICAG 1957 10 21 2 2783 2783 2796 2796 2903 2903 2934 2934 2888 2888 2884 2884 CHICAG 1957 10 22 1 99999 99999 99999 99999 2659 2659 99999 99999 2602 2602 2642 2642 CHICAG 1957 10 22 2 2654 2654 2651 2651 99999 99999 99999 99999 99999 99999 99999 99999 CHICAG 1957 10 23 1 2605 2605 2654 2654 2618 2618 99999 99999 99999 99999 99999 99999 CHICAG 1957 10 23 2 2614 2614 2564 2564 2570 2570 2565 2565 2596 2596 2579 2579 CHICAG 1957 10 24 1 2558 2558 2542 2542 2556 2556 2569 2569 2603 2603 2574 2574 CHICAG 1957 10 24 2 2591 2591 2596 2596 2604 2604 2608 2608 2612 2612 2629 2629 CHICAG 1957 10 25 1 2615 2615 2624 2624 2618 2618 2591 2591 2588 2588 2598 2598 CHICAG 1957 10 25 2 2598 2598 2628 2628 2641 2641 2652 2652 2663 2663 2644 2644 CHICAG 1957 10 26 1 2653 2653 2628 2628 2625 2625 2619 2619 2631 2631 2653 2653 CHICAG 1957 10 26 2 2643 2643 2642 2642 2628 2628 2670 2670 2655 2655 2648 2648 CHICAG 1957 10 27 1 2645 2645 2658 2658 2682 2682 2707 2707 2695 2695 2695 2695 CHICAG 1957 10 27 2 2658 2658 2721 2721 2711 2711 2723 2723 2700 2700 2724 2724 CHICAG 1957 10 28 1 2713 2713 2706 2706 2704 2704 2740 2740 2722 2722 2685 2685 CHICAG 1957 10 28 2 2752 2752 2768 2768 2707 2707 2733 2733 2716 2716 2735 2735 CHICAG 1957 10 29 1 2722 2722 2746 2746 2714 2714 2706 2706 2705 2705 2688 2688 CHICAG 1957 10 29 2 2762 2762 2753 2753 2725 2725 2718 2718 2736 2736 2715 2715 CHICAG 1957 10 30 1 2705 2705 2714 2714 2662 2662 2684 2684 2650 2650 2666 2666 CHICAG 1957 10 30 2 2678 2678 2683 2683 2700 2700 2688 2688 2671 2671 2663 2663 CHICAG 1957 10 31 1 2712 2712 2697 2697 2661 2661 2720 2720 2668 2668 2676 2676 CHICAG 1957 10 31 2 2695 2695 2701 2701 2692 2692 2696 2696 2706 2706 2699 2699 Cosmic-Ray Neutron Monitor Data (Hourly, Pressure-Corrected and Scale-Adjusted Counts) Collections: WDC for Cosmic Rays, Solar-Terrestrial Environment Laboratory, Nagoya Univ. Data Access: http://center.stelab.nagoya-u.ac.jp/WDCCR/index.html Project: ICSU WDC Citation: WDC for Cosmic Rays, Solar-Terrestrial Environment Laboratory, Nagoya University Station ID: CHICAG Station: CHICAGO, USA, ENRICO FERMI INST. FOR NUCLEAR STUDIES, CHICAGO, USA Instrument: IGY NEUTRON MONITOR, CORRECTED FOR PRESSURE TO 750.0 MMHG, COEF. = -0.96 %/MMHG Latitude (deg.): 41.83 Longitude (deg.): -87.67 Altitude (m): 49.00 Cut-Off Rigidity (GV): 1.72 Year: 1957 Month: 11 Scaling Factor (SF): 8.0 Constant (CONST): 0.0 Real Counts = (DATA + CONST)*SF Temporal Resolution: 1 hour UTC Start Hour: 0.0 Monthly Average: 2728.9 Updated (YYYY MM DD): 1990 12 05 ******************************************************************************************* ID YYYY MM DD 1 0 1 2 3 4 5 6 7 8 9 10 11 ID YYYY MM DD 2 12 13 14 15 16 17 18 19 20 21 22 23 ******************************************************************************************* CHICAG 1957 11 01 1 2688 2688 2732 2732 2732 2732 2676 2676 2693 2693 2687 2687 CHICAG 1957 11 01 2 2678 2678 2717 2717 2712 2712 2700 2700 2706 2706 2727 2727 CHICAG 1957 11 02 1 2707 2707 2694 2694 2709 2709 2695 2695 2743 2743 2722 2722 CHICAG 1957 11 02 2 2727 2727 2698 2698 2722 2722 2739 2739 2733 2733 2726 2726 CHICAG 1957 11 03 1 2707 2707 2707 2707 2719 2719 2698 2698 2672 2672 2693 2693 CHICAG 1957 11 03 2 2733 2733 2703 2703 2728 2728 2738 2738 2713 2713 2737 2737 CHICAG 1957 11 04 1 2732 2732 2722 2722 2778 2778 2761 2761 2724 2724 2696 2696 CHICAG 1957 11 04 2 2716 2716 2728 2728 2765 2765 2765 2765 2757 2757 2734 2734 CHICAG 1957 11 05 1 2762 2762 2758 2758 2712 2712 2750 2750 2715 2715 2734 2734 CHICAG 1957 11 05 2 2730 2730 2726 2726 2767 2767 2759 2759 2765 2765 2719 2719 CHICAG 1957 11 06 1 2738 2738 2769 2769 2723 2723 2749 2749 2714 2714 2737 2737 CHICAG 1957 11 06 2 2741 2741 2730 2730 2783 2783 2811 2811 2789 2789 2809 2809 CHICAG 1957 11 07 1 2824 2824 2758 2758 2714 2714 2702 2702 2788 2788 2821 2821 CHICAG 1957 11 07 2 2789 2789 2732 2732 2761 2761 2803 2803 2798 2798 2794 2794 CHICAG 1957 11 08 1 2727 2727 2748 2748 2678 2678 2814 2814 2827 2827 2779 2779 CHICAG 1957 11 08 2 2806 2806 2794 2794 2773 2773 2792 2792 2759 2759 2746 2746 CHICAG 1957 11 09 1 2780 2780 2763 2763 2783 2783 2769 2769 2780 2780 2768 2768 CHICAG 1957 11 09 2 2799 2799 2793 2793 2750 2750 2786 2786 2774 2774 2757 2757 CHICAG 1957 11 10 1 2796 2796 2754 2754 2822 2822 2785 2785 2795 2795 2786 2786 CHICAG 1957 11 10 2 2782 2782 2771 2771 2787 2787 2797 2797 2815 2815 2806 2806 CHICAG 1957 11 11 1 2783 2783 2823 2823 2786 2786 2794 2794 2760 2760 2812 2812 CHICAG 1957 11 11 2 2834 2834 2802 2802 2784 2784 2748 2748 2792 2792 2855 2855 CHICAG 1957 11 12 1 2795 2795 2813 2813 2816 2816 2813 2813 2809 2809 2841 2841 CHICAG 1957 11 12 2 2842 2842 2809 2809 2829 2829 2819 2819 2808 2808 2817 2817 CHICAG 1957 11 13 1 2814 2814 2770 2770 2795 2795 2771 2771 2796 2796 2816 2816 CHICAG 1957 11 13 2 2783 2783 2786 2786 2817 2817 2840 2840 2834 2834 2811 2811 CHICAG 1957 11 14 1 2791 2791 2776 2776 2793 2793 2758 2758 2774 2774 2744 2744 CHICAG 1957 11 14 2 2759 2759 99999 99999 2771 2771 2794 2794 2767 2767 2772 2772 CHICAG 1957 11 15 1 2781 2781 2747 2747 2739 2739 2771 2771 2751 2751 2752 2752 CHICAG 1957 11 15 2 2785 2785 2726 2726 2804 2804 2769 2769 2835 2835 2782 2782 CHICAG 1957 11 16 1 2768 2768 2767 2767 2764 2764 2744 2744 2758 2758 2704 2704 CHICAG 1957 11 16 2 2759 2759 2755 2755 2753 2753 2760 2760 2761 2761 2752 2752 CHICAG 1957 11 17 1 2774 2774 2766 2766 2763 2763 2775 2775 2784 2784 2747 2747 CHICAG 1957 11 17 2 2765 2765 2772 2772 2776 2776 2771 2771 2778 2778 2761 2761 CHICAG 1957 11 18 1 2772 2772 2753 2753 2808 2808 2765 2765 2778 2778 2799 2799 CHICAG 1957 11 18 2 2793 2793 2744 2744 2760 2760 2756 2756 2759 2759 2763 2763 CHICAG 1957 11 19 1 2713 2713 2734 2734 2729 2729 2716 2716 2711 2711 2732 2732 CHICAG 1957 11 19 2 2735 2735 2730 2730 2741 2741 2734 2734 2718 2718 2765 2765 CHICAG 1957 11 20 1 2752 2752 2730 2730 2737 2737 2761 2761 2726 2726 2769 2769 CHICAG 1957 11 20 2 2722 2722 2757 2757 2738 2738 2760 2760 2736 2736 2774 2774 CHICAG 1957 11 21 1 2789 2789 2772 2772 2730 2730 2757 2757 2771 2771 2760 2760 CHICAG 1957 11 21 2 2746 2746 2764 2764 2767 2767 2810 2810 2780 2780 2804 2804 CHICAG 1957 11 22 1 2784 2784 2749 2749 2783 2783 2790 2790 2774 2774 2782 2782 CHICAG 1957 11 22 2 2771 2771 2786 2786 2771 2771 2771 2771 2768 2768 2795 2795 CHICAG 1957 11 23 1 2748 2748 2755 2755 2752 2752 2769 2769 2760 2760 2747 2747 CHICAG 1957 11 23 2 2762 2762 2744 2744 2687 2687 2743 2743 2712 2712 2716 2716 CHICAG 1957 11 24 1 2693 2693 2685 2685 2694 2694 2703 2703 2693 2693 2674 2674 CHICAG 1957 11 24 2 2687 2687 2700 2700 2715 2715 2740 2740 2713 2713 2727 2727 CHICAG 1957 11 25 1 2702 2702 2687 2687 2678 2678 2693 2693 2688 2688 2706 2706 CHICAG 1957 11 25 2 2701 2701 2657 2657 2662 2662 2674 2674 2710 2710 2643 2643 CHICAG 1957 11 26 1 2656 2656 2656 2656 2603 2603 2562 2562 2559 2559 2557 2557 CHICAG 1957 11 26 2 2574 2574 2522 2522 2568 2568 2528 2528 2500 2500 2535 2535 CHICAG 1957 11 27 1 2494 2494 2536 2536 2516 2516 2546 2546 2559 2559 2529 2529 CHICAG 1957 11 27 2 2507 2507 2542 2542 2533 2533 2536 2536 2563 2563 2544 2544 CHICAG 1957 11 28 1 2517 2517 99999 99999 2538 2538 2543 2543 2551 2551 2548 2548 CHICAG 1957 11 28 2 2586 2586 2568 2568 2578 2578 2583 2583 2625 2625 2597 2597 CHICAG 1957 11 29 1 2599 2599 2601 2601 99999 99999 2574 2574 99999 99999 99999 99999 CHICAG 1957 11 29 2 99999 99999 99999 99999 99999 99999 99999 99999 2623 2623 2610 2610 CHICAG 1957 11 30 1 2597 2597 2590 2590 2567 2567 2581 2581 2583 2583 2611 2611 CHICAG 1957 11 30 2 2627 2627 2665 2665 2657 2657 2683 2683 2662 2662 2664 2664 CHICAG 1957 11 31 1 99999 99999 99999 99999 99999 99999 99999 99999 99999 99999 99999 99999 CHICAG 1957 11 31 2 99999 99999 99999 99999 99999 99999 99999 99999 99999 99999 99999 99999 Cosmic-Ray Neutron Monitor Data (Hourly, Pressure-Corrected and Scale-Adjusted Counts) Collections: WDC for Cosmic Rays, Solar-Terrestrial Environment Laboratory, Nagoya Univ. Data Access: http://center.stelab.nagoya-u.ac.jp/WDCCR/index.html Project: ICSU WDC Citation: WDC for Cosmic Rays, Solar-Terrestrial Environment Laboratory, Nagoya University Station ID: CHICAG Station: CHICAGO, USA, ENRICO FERMI INST. FOR NUCLEAR STUDIES, CHICAGO, USA Instrument: IGY NEUTRON MONITOR, CORRECTED FOR PRESSURE TO 750.0 MMHG, COEF. = -0.96 %/MMHG Latitude (deg.): 41.83 Longitude (deg.): -87.67 Altitude (m): 49.00 Cut-Off Rigidity (GV): 1.72 Year: 1957 Month: 12 Scaling Factor (SF): 8.0 Constant (CONST): 0.0 Real Counts = (DATA + CONST)*SF Temporal Resolution: 1 hour UTC Start Hour: 0.0 Monthly Average: 2680.9 Updated (YYYY MM DD): 1989 04 18 ******************************************************************************************* ID YYYY MM DD 1 0 1 2 3 4 5 6 7 8 9 10 11 ID YYYY MM DD 2 12 13 14 15 16 17 18 19 20 21 22 23 ******************************************************************************************* CHICAG 1957 12 01 1 2626 2626 2664 2664 2667 2667 2667 2667 2656 2656 2664 2664 CHICAG 1957 12 01 2 2681 2681 2640 2640 2680 2680 2660 2660 2691 2691 2665 2665 CHICAG 1957 12 02 1 2650 2650 2675 2675 2652 2652 2671 2671 2664 2664 2647 2647 CHICAG 1957 12 02 2 2662 2662 2696 2696 2735 2735 2722 2722 2731 2731 2721 2721 CHICAG 1957 12 03 1 2769 2769 2740 2740 2727 2727 2748 2748 2734 2734 2663 2663 CHICAG 1957 12 03 2 2701 2701 2731 2731 2727 2727 99999 99999 99999 99999 2724 2724 CHICAG 1957 12 04 1 2744 2744 2747 2747 2715 2715 2736 2736 2715 2715 2707 2707 CHICAG 1957 12 04 2 2699 2699 2727 2727 2751 2751 2771 2771 2719 2719 2718 2718 CHICAG 1957 12 05 1 2732 2732 2754 2754 2748 2748 2750 2750 2717 2717 2689 2689 CHICAG 1957 12 05 2 2697 2697 2714 2714 2736 2736 2746 2746 2756 2756 2764 2764 CHICAG 1957 12 06 1 2762 2762 2746 2746 2731 2731 2715 2715 2738 2738 2704 2704 CHICAG 1957 12 06 2 2741 2741 2708 2708 2728 2728 2711 2711 2670 2670 2704 2704 CHICAG 1957 12 07 1 2700 2700 2697 2697 2720 2720 2723 2723 2702 2702 2732 2732 CHICAG 1957 12 07 2 2736 2736 2735 2735 2735 2735 2738 2738 2721 2721 2730 2730 CHICAG 1957 12 08 1 2731 2731 2743 2743 2716 2716 2741 2741 2749 2749 2752 2752 CHICAG 1957 12 08 2 2750 2750 2726 2726 2717 2717 2737 2737 2728 2728 2756 2756 CHICAG 1957 12 09 1 2736 2736 2708 2708 2761 2761 2743 2743 2744 2744 2787 2787 CHICAG 1957 12 09 2 2746 2746 2759 2759 2766 2766 2738 2738 2768 2768 2727 2727 CHICAG 1957 12 10 1 2736 2736 2714 2714 2740 2740 2710 2710 2675 2675 2728 2728 CHICAG 1957 12 10 2 2702 2702 2702 2702 2745 2745 2728 2728 2748 2748 2728 2728 CHICAG 1957 12 11 1 2725 2725 2717 2717 2740 2740 2767 2767 2739 2739 2743 2743 CHICAG 1957 12 11 2 2720 2720 2730 2730 2704 2704 2755 2755 2748 2748 2747 2747 CHICAG 1957 12 12 1 2723 2723 2743 2743 2711 2711 2727 2727 2725 2725 2699 2699 CHICAG 1957 12 12 2 2725 2725 2713 2713 2761 2761 2750 2750 2781 2781 2750 2750 CHICAG 1957 12 13 1 2742 2742 2736 2736 2677 2677 2695 2695 2699 2699 2684 2684 CHICAG 1957 12 13 2 2692 2692 2706 2706 2677 2677 2738 2738 2719 2719 2696 2696 CHICAG 1957 12 14 1 2702 2702 2709 2709 2703 2703 2697 2697 2692 2692 2669 2669 CHICAG 1957 12 14 2 2735 2735 2729 2729 2746 2746 2704 2704 2725 2725 2710 2710 CHICAG 1957 12 15 1 2728 2728 2707 2707 2742 2742 2690 2690 2700 2700 2713 2713 CHICAG 1957 12 15 2 2714 2714 2692 2692 2745 2745 2724 2724 2695 2695 2728 2728 CHICAG 1957 12 16 1 2712 2712 2706 2706 2705 2705 2698 2698 2742 2742 2736 2736 CHICAG 1957 12 16 2 2747 2747 2698 2698 2737 2737 2714 2714 2743 2743 2745 2745 CHICAG 1957 12 17 1 2719 2719 2729 2729 2732 2732 2755 2755 2680 2680 2717 2717 CHICAG 1957 12 17 2 2708 2708 99999 99999 2718 2718 2694 2694 2672 2672 2658 2658 CHICAG 1957 12 18 1 2670 2670 2666 2666 2683 2683 2706 2706 2663 2663 2723 2723 CHICAG 1957 12 18 2 2653 2653 2630 2630 2618 2618 2608 2608 2605 2605 2578 2578 CHICAG 1957 12 19 1 2608 2608 2628 2628 2645 2645 2686 2686 2711 2711 2636 2636 CHICAG 1957 12 19 2 2690 2690 2687 2687 2661 2661 2643 2643 2585 2585 2599 2599 CHICAG 1957 12 20 1 2558 2558 2550 2550 2558 2558 2547 2547 2538 2538 2577 2577 CHICAG 1957 12 20 2 2598 2598 2561 2561 2575 2575 2550 2550 2528 2528 2565 2565 CHICAG 1957 12 21 1 2590 2590 2566 2566 2549 2549 2530 2530 2549 2549 2546 2546 CHICAG 1957 12 21 2 2537 2537 2526 2526 2539 2539 2546 2546 2491 2491 2521 2521 CHICAG 1957 12 22 1 2573 2573 2590 2590 2541 2541 2582 2582 2583 2583 2569 2569 CHICAG 1957 12 22 2 2588 2588 2574 2574 2572 2572 2591 2591 2578 2578 2572 2572 CHICAG 1957 12 23 1 2574 2574 2589 2589 2568 2568 2638 2638 2687 2687 2659 2659 CHICAG 1957 12 23 2 2672 2672 2634 2634 2567 2567 2577 2577 2626 2626 2656 2656 CHICAG 1957 12 24 1 2683 2683 2726 2726 2713 2713 2652 2652 2622 2622 2618 2618 CHICAG 1957 12 24 2 2632 2632 2644 2644 2651 2651 2673 2673 2662 2662 2637 2637 CHICAG 1957 12 25 1 2629 2629 2647 2647 2639 2639 2631 2631 2626 2626 2604 2604 CHICAG 1957 12 25 2 2624 2624 2597 2597 2659 2659 2607 2607 2589 2589 2623 2623 CHICAG 1957 12 26 1 2618 2618 2619 2619 2628 2628 2642 2642 2604 2604 2664 2664 CHICAG 1957 12 26 2 2657 2657 2668 2668 2644 2644 2671 2671 2674 2674 2696 2696 CHICAG 1957 12 27 1 2683 2683 2729 2729 2704 2704 2712 2712 2705 2705 2682 2682 CHICAG 1957 12 27 2 2693 2693 2710 2710 2711 2711 2699 2699 2696 2696 2690 2690 CHICAG 1957 12 28 1 2714 2714 2653 2653 2649 2649 2665 2665 2708 2708 2696 2696 CHICAG 1957 12 28 2 2661 2661 2675 2675 2676 2676 2695 2695 2700 2700 2709 2709 CHICAG 1957 12 29 1 2671 2671 2701 2701 2692 2692 2659 2659 2675 2675 2664 2664 CHICAG 1957 12 29 2 2642 2642 2661 2661 2663 2663 2680 2680 2698 2698 2690 2690 CHICAG 1957 12 30 1 2679 2679 2656 2656 2672 2672 2673 2673 2656 2656 2699 2699 CHICAG 1957 12 30 2 2673 2673 2682 2682 2726 2726 2712 2712 2682 2682 2638 2638 CHICAG 1957 12 31 1 2629 2629 2653 2653 2621 2621 2611 2611 2637 2637 2646 2646 CHICAG 1957 12 31 2 2634 2634 2659 2659 2597 2597 2604 2604 2665 2665 2638 2638