MAGNETIC OBSERVATORY, HERMANUS SOUTH AFRICA, IN COLLABORATION WITH THE COSMIC RAY RESEARCH UNIT, POTCHEFSTROOM UNIVERSITY HERMANUS 3-NM-64 NEUTRON MONITOR COORDINATES 34 25 S, 19 13 E ALTITUDE 26 METERS REAL COUNTS 100 TIMES TABULATED VALUES CORRECTED TO 760.0 MM HG CO-EFFICIENT 0.95 PERCENT/MM HG 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 1969 335 979 975 971 978 968 983 975 980 978 976 982 977 988 982 987 978 979 982 985 982 985 981 981 978 979.6 24 2 12 1969 336 976 978 973 978 980 967 977 972 967 979 975 981 976 973 980 975 981 985 983 985 984 985 978 974 977.6 24 3 12 1969 337 964 971 965 974 978 968 968 969 968 968 967 971 967 974 982 977 971 980 986 972 984 973 971 966 972.3 24 4 12 1969 338 978 980 969 982 970 976 964 965 964 958 971 963 960 958 960 959 958 954 959 960 963 964 969 966 965.4 24 5 12 1969 339 953 951 957 947 952 955 958 963 955 959 957 967 958 964 969 960 960 964 961 955 956 955 955 955 957.8 24 6 12 1969 340 948 952 954 947 956 951 946 959 950 961 956 956 953 953 962 958 953 951 960 956 942 950 954 953 953.4 24 7 12 1969 341 950 948 956 950 951 951 948 949 951 954 955 967 957 958 961 963 955 962 955 956 954 958 961 953 955.1 24 8 12 1969 342 953 960 967 961 960 963 969 971 968 971 967 971 968 967 964 972 966 964 962 963 963 968 962 967 965.3 24 9 12 1969 343 955 969 969 965 969 962 969 980 966 984 977 972 983 970 961 957 968 965 965 964 954 965 961 971 967.5 24 10 12 1969 344 964 961 966 969 968 964 967 963 966 967 969 964 969 969 969 964 967 968 970 971 964 961 970 972 966.8 24 11 12 1969 345 966 962 972 961 971 974 979 978 982 975 977 980 975 980 976 964 973 965 973 971 967 958 962 967 971.2 24 12 12 1969 346 955 961 964 958 968 965 970 968 978 970 985 976 970 969 971 970 960 972 982 975 965 952 960 963 967.8 24 13 12 1969 347 971 971 963 975 972 977 978 981 973 973 983 981 982 984 986 986 972 976 979 971 969 973 972 970 975.8 24 14 12 1969 348 968 971 970 976 979 968 969 978 981 976 983 982 972 967 0 976 984 976 979 977 975 978 975 971 975.3 23 15 12 1969 349 968 969 977 968 979 972 970 979 979 974 979 986 981 990 978 983 974 994 983 971 977 980 977 978 977.8 24 16 12 1969 350 979 971 979 993 989 986 982 986 973 978 974 983 979 978 971 985 977 985 973 984 979 983 987 982 980.7 24 17 12 1969 351 981 976 979 976 977 974 985 979 981 984 983 975 985 979 980 988 986 979 992 984 977 984 980 986 981.3 24 18 12 1969 352 989 972 983 982 986 980 982 987 981 981 985 985 988 993 990 986 985 986 990 992 981 990 991 983 985.3 24 19 12 1969 353 988 982 988 988 993 980 982 997 994 992 989 989 990 991 984 980 996 982 990 987 985 988 979 979 987.2 24 20 12 1969 354 981 978 969 976 973 975 981 982 980 985 983 982 987 989 985 986 978 987 978 972 983 980 974 973 979.9 24 21 12 1969 355 977 978 983 987 976 974 980 977 979 978 972 980 981 983 976 972 977 975 979 969 972 964 970 972 976.3 24 22 12 1969 356 979 974 969 966 966 972 988 977 981 975 967 974 975 973 974 970 979 978 988 972 975 979 970 971 974.7 24 23 12 1969 357 980 973 990 974 979 975 978 980 984 974 972 982 967 982 976 977 968 962 964 977 974 965 974 975 975.1 24 24 12 1969 358 974 976 976 978 979 973 974 974 970 980 986 974 976 976 984 968 978 969 978 965 966 971 977 970 974.7 24 25 12 1969 359 979 966 968 971 975 967 981 978 982 973 981 986 976 983 981 982 972 966 981 977 966 983 969 972 975.6 24 26 12 1969 360 978 970 970 986 980 984 983 985 974 982 983 976 981 979 985 966 982 986 982 978 980 971 970 967 978.3 24 27 12 1969 361 973 976 974 970 984 985 981 978 979 981 986 985 983 980 984 989 975 984 984 979 983 974 986 980 980.5 24 28 12 1969 362 966 976 977 978 984 973 980 982 970 987 981 984 980 995 988 987 986 981 985 979 977 978 986 988 981.2 24 29 12 1969 363 985 988 983 977 988 983 977 979 973 974 984 980 985 987 979 993 992 982 988 989 986 981 987 978 983.3 24 30 12 1969 364 984 990 984 982 975 979 980 985 992 990 986 988 987 981 986 983 990 995 991 989 982 980 986 985 985.4 24 31 12 1969 365 978 980 980 974 983 975 972 983 983 979 983 977 975 976 978 985 986 979 981 988 982 984 985 990 980.7 24 MONTHLY MEANS 972 971 972 972 974 972 974 976 974 975 977 977 976 977 977 975 975 975 978 975 973 973 974 973 974.5 C-12