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 1967 335 978 968 973 971 965 970 970 977 977 978 975 975 975 970 967 975 969 964 966 973 984 969 977 970 972.3 24 2 12 1967 336 973 981 976 980 982 982 989 982 992 982 972 977 983 984 983 978 973 978 975 970 977 984 976 983 979.7 24 3 12 1967 337 976 973 978 980 971 977 977 978 986 977 985 980 986 985 980 977 983 973 973 971 980 977 980 981 978.5 24 4 12 1967 338 983 977 973 979 980 981 979 975 976 983 992 979 985 984 989 980 974 982 976 973 977 979 973 978 979.5 24 5 12 1967 339 980 968 972 981 981 985 975 972 972 975 975 977 983 983 984 973 984 979 986 977 983 977 982 969 978.0 24 6 12 1967 340 973 974 971 976 976 970 974 981 0 969 985 985 983 983 983 985 987 984 980 974 974 975 971 978 977.9 23 7 12 1967 341 982 979 983 979 991 978 988 986 988 983 988 989 980 986 988 987 984 984 990 986 975 988 976 973 983.8 24 8 12 1967 342 975 976 977 982 974 982 979 975 985 984 983 980 984 979 978 982 975 976 970 980 980 986 981 982 979.4 24 9 12 1967 343 991 975 980 982 979 978 980 983 984 975 977 987 977 988 984 982 981 986 984 979 985 984 985 979 981.9 24 10 12 1967 344 977 988 988 989 987 993 990 974 978 985 986 986 985 985 988 990 984 984 990 980 986 980 969 988 984.6 24 11 12 1967 345 973 983 988 981 986 989 987 990 995 981 989 993 995 989 991 992 979 982 993 979 986 983 988 989 986.7 24 12 12 1967 346 988 983 994 990 982 996 993 986 982 990 987 984 987 0 985 982 982 983 984 979 976 977 981 977 984.7 23 13 12 1967 347 974 970 981 981 981 981 974 980 991 982 980 974 981 989 987 984 985 990 996 989 981 991 983 988 983.0 24 14 12 1967 348 976 982 983 981 992 996 989 983 0 999 996 995 995 985 992 987 990 995 988 993 986 995 997 990 989.8 23 15 12 1967 349 988 998 1000 991 1000 1002 992 1000 998 1001 1011 996 1005 1002 1002 1001 994 995 993 982 987 982 986 980 995.3 24 16 12 1967 350 980 980 977 975 969 976 978 983 978 978 983 978 974 977 979 980 974 965 970 976 977 982 983 984 977.3 24 17 12 1967 351 983 983 996 985 990 991 988 987 987 984 999 989 996 992 993 987 980 990 980 982 991 988 989 982 988.0 24 18 12 1967 352 981 980 985 979 989 981 978 989 987 985 980 984 981 993 994 999 994 986 982 984 986 975 976 982 984.6 24 19 12 1967 353 979 981 977 980 974 979 971 971 972 0 967 974 979 985 977 977 979 982 986 985 979 976 978 975 977.5 23 20 12 1967 354 978 979 982 974 975 977 974 974 986 0 985 985 991 985 984 987 992 990 981 980 969 967 969 960 979.3 23 21 12 1967 355 964 963 960 968 971 972 977 969 970 974 971 975 972 967 972 976 975 970 965 967 974 963 971 978 970.2 24 22 12 1967 356 974 973 972 973 977 965 965 965 973 955 961 978 974 980 971 974 976 972 970 977 977 971 977 971 971.7 24 23 12 1967 357 973 978 968 970 979 980 979 979 975 985 986 983 988 987 992 991 999 989 1000 1002 978 993 986 987 984.5 24 24 12 1967 358 984 980 985 976 976 980 983 985 994 1001 989 990 1000 996 1007 998 1001 998 992 999 986 977 986 984 989.5 24 25 12 1967 359 983 981 973 979 977 980 991 987 1000 995 990 992 999 996 990 1001 991 990 987 994 988 989 991 982 988.6 24 26 12 1967 360 981 979 983 992 987 983 984 984 986 991 987 996 989 986 1000 1000 995 997 996 994 982 993 988 982 989.0 24 27 12 1967 361 990 986 980 989 994 987 988 1001 988 0 991 1003 1005 997 1004 1001 997 997 997 990 995 991 981 980 992.7 23 28 12 1967 362 978 983 989 991 981 981 990 975 977 983 976 984 986 982 979 985 978 977 977 982 984 987 987 990 982.6 24 29 12 1967 363 986 980 982 987 988 978 994 975 982 995 988 985 985 988 991 985 986 988 982 974 981 985 979 972 984.0 24 30 12 1967 364 970 973 977 970 971 978 975 982 982 974 977 970 979 973 973 971 964 962 958 949 956 960 969 966 970.0 24 31 12 1967 365 967 969 976 974 982 981 973 978 971 979 972 978 973 982 972 978 971 977 977 972 970 970 965 963 973.8 24 MONTHLY MEANS 979 978 980 980 981 982 981 981 983 983 983 984 986 985 986 985 983 983 982 980 980 980 980 979 981.9 C-12