COSMIC RAY RESEARCH UNIT, POTCHEFSTROOM UNIVERSITY, POTCHEFSTROOM SOUTH AFRICA 3NM64 NEUTRON MONITOR SANAE, ANTARCTICA COORDINATES 70 19 S, 02 21 W ALTITUDE 52 METERS BAROMETRIC PRESSURE IN QUANTITIES OF 0.1 mB DATE DAY UT 01 02 03 04 05 06 07 08 09 10 11 12 DAILY MEANS 13 14 15 16 17 18 19 20 21 22 23 24 1 12 1991 335 9896 9899 9898 9898 9898 9898 9900 9901 9900 9898 9894 9893 9892 9890 9889 9888 9887 9887 9887 9889 9888 9888 9888 9889 9893.1 24 2 12 1991 336 9889 9891 9892 9891 9892 9892 9893 9893 9894 9895 9894 9894 9895 9893 9893 9892 9892 9894 9895 9895 9897 9899 9901 9905 9894.2 24 3 12 1991 337 9907 9910 9911 9914 9917 9919 9920 9925 9928 9932 9936 9936 9937 9937 9937 9937 9936 9935 9934 9933 9933 0 0 0 9927.3 21 4 12 1991 338 9924 9921 9918 9916 9917 9918 9919 9922 9923 9922 9921 9920 9919 9918 9917 9917 9917 9919 9920 9924 9928 9931 9934 9936 9921.7 24 5 12 1991 339 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0.0 0 6 12 1991 340 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0.0 0 7 12 1991 341 9884 9890 9892 9894 9896 9899 9901 9901 9900 9898 9898 9898 9895 9895 9892 9893 9895 9898 9902 9904 9907 9910 9914 9913 9898.7 24 8 12 1991 342 9913 9911 9911 9912 9914 9914 9916 9917 9919 9918 9919 9919 9918 9915 9911 9904 9899 9894 9891 9888 9886 9885 9884 9881 9905.8 24 9 12 1991 343 9877 9875 9870 9867 9866 9864 9863 9860 9860 9861 9858 9855 9854 9854 9852 9851 9850 9850 9851 9852 9853 9857 9859 9862 9859.2 24 10 12 1991 344 9863 9866 9868 9868 9871 9875 9878 9881 9883 9883 9882 9881 9883 9881 9879 9880 9878 9876 9876 9876 9874 9875 9875 9876 9876.2 24 11 12 1991 345 9874 9872 9869 9866 9865 9864 9865 9865 9864 9862 9862 9860 9858 9855 9854 9851 9849 9849 9848 9845 9847 9848 9850 9851 9858.0 24 12 12 1991 346 9850 9851 9849 9851 9853 9854 9856 9859 9861 9863 9865 9867 9869 9871 9873 9876 9878 9882 9884 9888 9890 9894 9895 9898 9869.9 24 13 12 1991 347 9900 9902 9904 9905 9908 9911 9913 9915 9919 9921 9921 9923 9925 9927 9926 9926 9929 9930 9932 9936 9937 9938 9940 9945 9922.2 24 14 12 1991 348 9945 9944 9946 9947 9950 9951 9953 9951 9952 9951 9949 9950 9948 9945 9943 9943 9939 9937 9938 9938 9936 9936 9936 9934 9944.3 24 15 12 1991 349 9932 9930 9928 9926 9925 9923 9921 9920 9919 9918 9919 9920 9922 9921 9921 9922 9925 9928 9932 9937 9942 9945 9949 9952 9928.2 24 16 12 1991 350 9956 9958 9959 9962 9964 9967 9973 9977 9980 9983 9985 9987 9990 9992 9994 9996 9998 10000 10002 10006 10010 10014 10017 10020 9987.1 24 17 12 1991 351 10022 10025 10026 10027 10028 10031 10032 10033 10034 10033 10031 10029 10029 10024 10020 10015 10011 10007 10004 10002 10000 9996 9992 9987 10018.3 24 18 12 1991 352 9983 9979 9973 9967 9961 9956 9952 9948 9942 9937 9930 9925 9919 9910 9904 9896 9891 9890 9884 9879 9875 9870 9866 9861 9920.8 24 19 12 1991 353 9858 9855 9851 9849 9848 9849 9851 9852 9852 9855 9854 9853 9856 9856 9857 9857 9859 9862 9862 9868 9870 9875 9878 9880 9858.6 24 20 12 1991 354 9879 9881 9884 9886 9888 9889 9888 9889 9889 9889 9888 9888 9891 9888 9883 9879 9877 9875 9874 9874 9872 9871 9872 9870 9881.8 24 21 12 1991 355 9871 9871 9871 9870 9870 9871 9871 9874 9878 9881 9885 9887 9890 9892 9895 9898 9900 9903 9909 9915 9920 9925 9930 9934 9892.1 24 22 12 1991 356 9940 9948 9951 9955 9959 9964 9967 9971 9976 9979 9980 9978 9978 9979 9977 9974 9971 9969 9968 9969 9969 9971 9973 9973 9968.3 24 23 12 1991 357 9973 9972 9974 9976 9975 9971 9973 9975 9978 9981 9982 9982 9983 9984 9985 9983 9981 9982 9983 9980 9983 9983 9982 9984 9979.4 24 24 12 1991 358 9984 9979 9977 9976 9976 9975 9972 9971 9969 9965 9963 9962 9960 9958 9953 9949 9945 9941 9937 9933 9932 9928 9923 9919 9956.1 24 25 12 1991 359 9915 9908 9900 9895 9890 9885 9882 9880 9877 9875 9875 9873 9874 9874 9874 9873 9873 9871 9871 9870 9867 9865 9862 9856 9878.5 24 26 12 1991 360 9846 9838 9828 9818 9810 9805 9801 9799 9803 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 9816.4 9 27 12 1991 361 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0.0 0 28 12 1991 362 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0.0 0 29 12 1991 363 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0.0 0 30 12 1991 364 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0.0 0 31 12 1991 365 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0.0 0 MONTHLY MEANS 9912 9912 9910 9910 9910 9910 9911 9912 9913 9917 9917 9917 9917 9916 9914 9913 9912 9912 9912 9913 9914 9914 9915 9915 9913.2 P-12