| YEAR(S | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
| 1924 | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 497.50 | n | 1328.00 | 1328.00 | ||
| 1925 | 1311.00 | 1123.00 | 1133.88 | e | 973.50 | 744.00 | a | 454.82 | b | 301.50 | 454.15 | a | 608.50 | 775.00 | 1041.50 | 1213.00 | 10133.86 | |||||||||
| 1926 | 1350.50 | 1077.50 | 1003.00 | 862.00 | 717.50 | 384.50 | 300.00 | 221.00 | 415.00 | c | 623.00 | 756.50 | 1235.50 | 8946.00 | ||||||||||||
| 1927 | 1122.50 | 1023.00 | 933.00 | 741.00 | 563.00 | 231.00 | 54.00 | 129.00 | 386.00 | 504.00 | 689.00 | 970.00 | 7345.50 | |||||||||||||
| 1928 | 798.00 | 950.00 | 917.00 | 848.00 | 427.00 | 314.00 | 126.00 | 143.50 | 265.00 | 679.50 | 945.50 | 1211.50 | 7625.00 | |||||||||||||
| 1929 | 1196.50 | 1110.00 | 954.50 | 839.50 | 503.00 | 353.00 | 33.50 | 35.50 | 304.00 | 529.00 | 738.50 | 837.00 | a | 7434.00 | ||||||||||||
| 1930 | 1231.50 | 896.50 | 1015.50 | 742.50 | 744.50 | 255.00 | 86.36 | c | 201.50 | 439.00 | 723.50 | 913.00 | 1103.50 | 8352.36 | ||||||||||||
| 1931 | 1129.43 | a | 972.46 | b | 934.00 | 688.00 | 467.00 | 306.00 | 26.50 | 76.50 | 446.50 | 612.00 | 1039.14 | a | 1211.00 | 7908.53 | ||||||||||
| 1932 | 1285.47 | a | 1060.50 | 951.00 | 843.00 | 659.30 | c | 341.50 | 276.00 | 141.00 | 273.50 | 652.50 | 722.50 | 1268.00 | 8474.27 | |||||||||||
| 1933 | 1260.00 | 1094.50 | 938.50 | 605.00 | 493.00 | 81.72 | a | 0.50 | 0.00 | z | 0.00 | z | 444.00 | 770.50 | 1006.50 | 6694.22 | ||||||||||
| 1934 | 1130.00 | 979.50 | 773.50 | 664.50 | 486.00 | 456.50 | 149.00 | 130.00 | 380.50 | 638.00 | 885.00 | 1157.50 | 7830.00 | |||||||||||||
| 1935 | 1219.00 | 1035.00 | 1206.00 | 914.00 | 725.00 | 328.00 | 264.00 | 205.00 | 350.00 | 845.50 | 1058.00 | 1119.50 | 9269.00 | |||||||||||||
| 1936 | 1122.50 | 1098.50 | 1009.00 | 769.00 | 616.00 | 378.50 | 141.50 | 165.00 | 427.50 | 640.50 | 749.00 | 1158.50 | 8275.50 | |||||||||||||
| 1937 | 1605.00 | 1088.00 | 1082.00 | 881.00 | 497.00 | 412.00 | 135.00 | 124.00 | 267.00 | 586.50 | 829.50 | 983.00 | 8490.00 | |||||||||||||
| 1938 | 1118.00 | 1184.00 | 1260.50 | 864.00 | 697.00 | 444.00 | 222.00 | 168.50 | 310.00 | 720.50 | 1058.50 | 1053.50 | 9100.50 | |||||||||||||
| 1939 | 1212.50 | 1225.50 | 1002.00 | 705.50 | 615.00 | 418.50 | 139.00 | 131.00 | 377.00 | 650.00 | 727.00 | 890.50 | 8093.50 | |||||||||||||
| 1940 | 1161.50 | 1118.00 | 986.00 | 868.50 | 567.00 | 246.00 | 207.50 | 131.50 | 484.00 | 617.00 | 916.50 | 1069.50 | 8373.00 | |||||||||||||
| 1941 | 1248.50 | 1021.50 | 1077.00 | 1025.00 | 716.50 | 550.50 | 230.00 | 322.00 | 461.00 | 795.00 | 792.50 | 1200.00 | 9439.50 | |||||||||||||
| 1942 | 1165.00 | 1204.00 | 1159.00 | 918.00 | 843.50 | 452.00 | 149.00 | 168.00 | 328.00 | 0.00 | z | 865.00 | 1031.00 | 8282.50 | ||||||||||||
| 1943 | 1175.00 | 1015.00 | 1023.00 | 0.00 | z | 655.50 | 582.00 | 195.00 | 220.50 | 209.50 | 664.00 | 774.50 | 1164.50 | 7678.50 | ||||||||||||
| 1944 | 1242.00 | 1271.34 | a | 1131.00 | 984.00 | 661.00 | 603.50 | 295.50 | 195.50 | 308.00 | 579.00 | 1074.00 | 1181.00 | 9525.84 | ||||||||||||
| 1945 | 1330.00 | 1175.00 | 1320.00 | 1001.00 | 0.00 | z | 0.00 | z | 171.50 | 277.50 | 376.50 | 649.00 | 959.00 | 1111.50 | 8371.00 | |||||||||||
| 1946 | 1209.00 | 1119.00 | 1138.00 | 808.00 | 737.00 | 371.00 | 180.50 | 166.00 | 393.50 | 836.00 | 1042.78 | c | 729.50 | i | 8000.78 | |||||||||||
| 1947 | 734.00 | j | 604.50 | i | 0.00 | z | 619.00 | i | 334.00 | m | 417.00 | i | 283.00 | i | 277.00 | j | 318.50 | j | 520.00 | i | 1022.40 | e | 1335.21 | c | 2357.61 | |
| 1948 | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 969.50 | g | 0.00 | |
| 1949 | 1121.50 | j | 825.00 | i | 944.50 | h | 530.00 | j | 533.00 | j | 301.00 | h | 151.00 | i | 201.00 | i | 227.00 | k | 583.00 | h | 533.00 | i | 831.50 | j | 0.00 | |
| 1950 | 962.00 | j | 685.00 | i | 848.50 | f | 668.50 | f | 656.00 | h | 477.00 | e | 152.00 | h | 234.22 | d | 536.11 | c | 618.85 | d | 0.00 | z | 0.00 | z | 1866.19 | |
| 1951 | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | |
| 1952 | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | |
| 1953 | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | |
| 1954 | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | |
| 1955 | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | |
| 1956 | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | |
| 1957 | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | |
| 1958 | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | |
| 1959 | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | |
| 1960 | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | |
| 1961 | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | |
| 1962 | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | |
| 1963 | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | |
| 1964 | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | |
| 1965 | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | |
| 1966 | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | |
| 1967 | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | |
| 1968 | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | |
| 1969 | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | |
| 1970 | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | |
| 1971 | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | |
| 1972 | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | |
| 1973 | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | |
| 1974 | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | |
| 1975 | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | |
| 1976 | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | |
| 1977 | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | |
| 1978 | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | |
| 1979 | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | |
| 1980 | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | |
| 1981 | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | |
| 1982 | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | |
| 1983 | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | |
| 1984 | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | |
| 1985 | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | |
| 1986 | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | |
| 1987 | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | |
| 1988 | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | |
| 1989 | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | |
| 1990 | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | |
| 1991 | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | |
| 1992 | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | |
| 1993 | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | |
| 1994 | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | |
| 1995 | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | |
| 1996 | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | |
| 1997 | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | |
| 1998 | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | |
| 1999 | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | |
| 2000 | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | |
| 2001 | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | |
| 2002 | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | |
| 2003 | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | |
| 2004 | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | |
| 2005 | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | |
| 2006 | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | |
| 2007 | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | |
| 2008 | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | |
| 2009 | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | |
| Period of Record Statistics | ||||||||||||||||||||||||||
| MEAN | 1210.13 | 1083.72 | 1043.06 | 835.48 | 625.47 | 383.68 | 167.45 | 183.68 | 379.37 | 653.74 | 885.64 | 1123.44 | 8506.84 | |||||||||||||
| S.D. | 142.06 | 93.75 | 127.30 | 115.34 | 114.85 | 121.85 | 90.64 | 87.36 | 95.48 | 100.60 | 131.82 | 129.16 | 792.25 | |||||||||||||
| SKEW | -0.10 | 0.05 | 0.30 | -0.20 | -0.11 | -0.32 | -0.16 | 1.32 | 0.45 | 0.14 | 0.08 | -0.43 | 0.36 | |||||||||||||
| MAX | 1605.00 | 1271.34 | 1320.00 | 1025.00 | 843.50 | 603.50 | 301.50 | 454.15 | 608.50 | 845.50 | 1074.00 | 1335.21 | 10133.86 | |||||||||||||
| MIN | 798.00 | 896.50 | 773.50 | 605.00 | 427.00 | 81.72 | 0.50 | 35.50 | 209.50 | 444.00 | 689.00 | 837.00 | 7345.50 | |||||||||||||
| NO YRS | 22 | 22 | 22 | 21 | 21 | 22 | 22 | 22 | 22 | 22 | 23 | 23 | 17 | |||||||||||||