| YEAR(S | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
| 1940 | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 526.50 | 497.50 | 222.50 | 30.00 | i | 0.00 | 0.00 | a | 1246.50 | |||||
| 1941 | 0.00 | 0.00 | 0.00 | 6.50 | 88.00 | 182.00 | 510.00 | 392.00 | 53.50 | 14.50 | 5.00 | 0.00 | 1251.50 | |||||||||||||
| 1942 | 0.00 | 0.00 | 0.00 | g | 30.50 | 58.00 | 114.50 | 539.73 | c | 483.50 | 0.00 | z | 0.00 | z | 2.00 | 0.00 | 1228.23 | |||||||||
| 1943 | 0.00 | 0.00 | 0.00 | 40.50 | 72.00 | 118.00 | 503.00 | 482.50 | 258.50 | 118.50 | 0.00 | 0.00 | i | 1593.00 | ||||||||||||
| 1944 | 0.00 | z | 0.00 | g | 0.00 | 17.50 | 140.00 | 147.00 | 458.50 | 390.00 | 0.00 | z | 109.00 | 0.00 | z | 0.00 | z | 1262.00 | ||||||||
| 1945 | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 498.67 | b | 0.00 | z | 167.00 | 45.00 | 0.00 | z | 0.00 | 710.67 | ||||
| 1946 | 0.00 | 0.00 | 0.50 | 40.00 | 24.00 | 198.50 | 492.00 | 392.50 | 132.00 | 1.00 | 0.00 | 0.00 | 1280.50 | |||||||||||||
| 1947 | 0.00 | 0.00 | 0.00 | h | 2.00 | i | 101.00 | 94.50 | 436.50 | 394.00 | 187.00 | 104.50 | 7.00 | 0.00 | d | 1324.50 | ||||||||||
| 1948 | 1.00 | 0.00 | 0.00 | 7.00 | 51.00 | m | 195.00 | 357.50 | 320.00 | 159.00 | 42.00 | 0.00 | a | 0.00 | 1081.50 | |||||||||||
| 1949 | 0.00 | 0.00 | 0.00 | 19.00 | 69.50 | 172.00 | 383.50 | 387.50 | 209.00 | 5.00 | 0.00 | 0.00 | 1245.50 | |||||||||||||
| 1950 | 0.00 | g | 0.00 | 0.00 | 0.50 | 17.50 | 123.50 | 376.50 | 295.50 | 142.22 | c | 62.00 | 0.00 | 0.00 | k | 1017.72 | ||||||||||
| 1951 | 0.00 | z | 0.00 | q | 0.00 | 3.00 | 78.00 | 132.50 | 514.00 | 378.50 | 161.50 | 22.50 | 0.00 | 0.00 | 1290.00 | |||||||||||
| 1952 | 0.00 | 0.00 | 0.00 | 34.00 | 59.50 | j | 190.50 | 419.00 | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | 0.00 | 643.50 | |||||||||
| 1953 | 0.00 | 4.00 | 0.00 | 21.21 | a | 15.50 | 110.50 | 503.50 | 369.79 | c | 97.50 | h | 0.00 | z | 3.50 | 0.00 | g | 1027.99 | ||||||||
| 1954 | 0.00 | a | 0.00 | 0.00 | 3.50 | 129.00 | 163.00 | 518.00 | 293.00 | 88.00 | l | 24.00 | 0.00 | g | 0.00 | 1130.50 | ||||||||||
| 1955 | 0.00 | 0.00 | c | 0.00 | 0.00 | j | 48.50 | 230.50 | 472.50 | 569.00 | 234.00 | 43.50 | 0.00 | 0.00 | 1598.00 | |||||||||||
| 1956 | 0.00 | 0.00 | o | 2.00 | 7.50 | 128.00 | 56.00 | u | 492.00 | 283.50 | 129.00 | 17.50 | 0.00 | 0.00 | 1059.50 | |||||||||||
| 1957 | 0.00 | 0.00 | b | 0.00 | 2.50 | 56.50 | 226.00 | 410.00 | 314.50 | 162.50 | 13.00 | 0.00 | 0.00 | a | 1185.00 | |||||||||||
| 1958 | 0.00 | 0.00 | 0.00 | 2.50 | 171.00 | 197.50 | 340.50 | 453.50 | 176.67 | c | 39.00 | 0.50 | 0.00 | 1381.17 | ||||||||||||
| 1959 | 0.00 | 0.00 | 0.00 | 16.00 | 24.50 | m | 270.50 | 437.00 | 297.37 | d | 4.50 | n | 20.00 | 0.00 | b | 0.00 | 1040.87 | |||||||||
| 1960 | 0.00 | a | 0.00 | b | 2.77 | c | 7.00 | f | 62.00 | b | 227.50 | 452.00 | 298.00 | 78.50 | l | 62.50 | n | 0.00 | a | 0.00 | 1042.27 | |||||
| 1961 | 0.00 | b | 0.00 | 0.00 | 4.00 | 19.50 | g | 340.38 | d | 460.00 | 460.00 | 27.00 | h | 21.50 | 0.00 | 0.00 | h | 1285.88 | ||||||||
| 1962 | 0.00 | 0.00 | 0.00 | 27.00 | 27.00 | 188.79 | a | 302.00 | 270.50 | 130.50 | 10.00 | q | 0.00 | a | 0.00 | 945.79 | ||||||||||
| 1963 | 0.00 | 2.00 | 0.00 | 3.00 | 73.00 | 93.46 | d | 327.50 | 365.50 | 278.50 | 76.93 | d | 2.07 | a | 0.00 | 1221.96 | ||||||||||
| 1964 | 0.00 | 0.00 | 0.00 | 0.00 | 78.00 | 144.00 | 408.50 | 322.00 | 62.88 | d | 35.50 | 0.00 | 0.00 | 1050.88 | ||||||||||||
| 1965 | 0.00 | 0.00 | k | 0.00 | 26.00 | 39.50 | 103.00 | g | 178.00 | o | 235.50 | f | 27.50 | 2.00 | n | 3.50 | 0.00 | 96.50 | ||||||||
| 1966 | 0.00 | 0.00 | 1.50 | 4.00 | 136.50 | 185.00 | 417.00 | 399.50 | 185.50 | f | 0.00 | 0.00 | d | 0.00 | 1143.50 | |||||||||||
| 1967 | 0.00 | a | 0.00 | 1.00 | 0.00 | 82.67 | a | 173.40 | e | 491.83 | e | 499.00 | 242.50 | 11.33 | e | 0.00 | b | 0.00 | 1501.72 | |||||||
| 1968 | 0.00 | 0.00 | a | 0.00 | 10.00 | 37.00 | 191.00 | h | 334.00 | k | 280.50 | 115.50 | i | 13.50 | 0.00 | 0.00 | b | 341.00 | ||||||||
| 1969 | 0.00 | g | 0.00 | 0.00 | 19.00 | 109.50 | 183.00 | 409.00 | 468.00 | 165.00 | f | 14.00 | 1.00 | 0.00 | 1203.50 | |||||||||||
| 1970 | 0.00 | 0.00 | 0.00 | 0.00 | 63.00 | 227.78 | c | 428.26 | d | 447.00 | 61.00 | g | 23.00 | 0.00 | g | 0.00 | f | 1189.04 | ||||||||
| 1971 | 0.00 | a | 0.00 | 0.00 | a | 5.69 | a | 57.00 | 135.50 | f | 368.50 | 408.74 | d | 32.50 | g | 24.50 | 2.78 | c | 0.00 | 867.21 | ||||||
| 1972 | 0.00 | 0.00 | e | 0.00 | 2.50 | 53.00 | 217.00 | 368.50 | 374.50 | 65.50 | h | 6.00 | 0.00 | e | 0.00 | 1021.50 | ||||||||||
| 1973 | 0.00 | 0.00 | 0.00 | e | 1.00 | 60.00 | g | 265.00 | 386.50 | 389.50 | 22.00 | s | 0.00 | z | 0.00 | z | 0.00 | z | 1042.00 | |||||||
| 1974 | 0.00 | z | 0.00 | a | 0.57 | d | 10.50 | g | 57.35 | a | 367.50 | 480.50 | c | 377.88 | b | 192.93 | a | 38.15 | e | 3.10 | a | 0.00 | 1517.99 | |||
| 1975 | 0.00 | z | 0.00 | o | 0.00 | e | 0.00 | 34.62 | a | 157.50 | 491.98 | d | 295.69 | e | 153.00 | 45.00 | 0.50 | 0.00 | 1178.29 | |||||||
| 1976 | 0.00 | a | 0.00 | b | 0.00 | a | 0.00 | d | 63.50 | 168.50 | 443.00 | 0.00 | z | 166.61 | b | 19.38 | c | 0.00 | a | 0.00 | a | 860.98 | ||||
| 1977 | 0.00 | 0.00 | 0.00 | c | 57.86 | b | 20.50 | 328.39 | b | 443.09 | b | 0.00 | z | 0.00 | z | 0.00 | z | 2.59 | a | 0.00 | a | 852.42 | ||||
| 1978 | 0.00 | z | 0.00 | c | 9.50 | 0.00 | z | 30.47 | b | 186.43 | b | 445.88 | a | 338.93 | a | 170.17 | a | 0.00 | z | 0.00 | z | 0.00 | z | 1181.38 | ||
| 1979 | 0.00 | a | 0.00 | 0.00 | 0.00 | z | 0.00 | z | 0.00 | z | 442.27 | a | 395.77 | a | 246.72 | a | 77.50 | 0.00 | a | 0.00 | e | 1162.26 | ||||
| 1980 | 0.00 | a | 0.00 | 0.00 | 27.50 | p | 32.19 | e | 0.00 | z | 336.50 | g | 0.00 | z | 85.00 | h | 0.00 | z | 0.00 | c | 0.00 | a | 32.19 | |||
| 1981 | 0.00 | 0.00 | d | 0.00 | 22.50 | b | 60.40 | b | 227.31 | d | 412.96 | c | 373.55 | a | 134.00 | g | 9.62 | b | 0.00 | b | 0.00 | 1106.34 | ||||
| 1982 | 0.00 | b | 0.00 | a | 0.00 | 0.00 | 66.00 | 224.50 | 389.10 | b | 454.00 | 179.50 | 12.00 | 0.00 | p | 0.00 | z | 1325.10 | ||||||||
| 1983 | 0.00 | u | 0.00 | 0.00 | 2.00 | 77.00 | 169.00 | 330.50 | 487.00 | 177.00 | 15.00 | m | 0.00 | 0.00 | 1242.50 | |||||||||||
| 1984 | 0.00 | 0.00 | 0.00 | 11.50 | 78.00 | 155.40 | e | 250.50 | n | 478.50 | 0.00 | z | 0.00 | z | 0.00 | d | 0.00 | m | 723.40 | |||||||
| 1985 | 0.00 | d | 0.00 | b | 0.00 | c | 33.60 | e | 78.00 | f | 234.83 | a | 373.50 | g | 331.00 | 0.00 | z | 0.00 | z | 0.00 | q | 0.00 | i | 599.43 | ||
| 1986 | 0.00 | 0.00 | b | 0.00 | k | 0.00 | z | 120.79 | b | 175.50 | m | 0.00 | z | 0.00 | z | 0.00 | q | 13.95 | a | 0.00 | d | 0.00 | b | 134.74 | ||
| 1987 | 0.00 | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 90.50 | s | 181.00 | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 181.00 | |||
| Period of Record Statistics | ||||||||||||||||||||||||||
| MEAN | 0.03 | 0.15 | 0.42 | 13.01 | 69.88 | 192.91 | 436.29 | 382.69 | 170.08 | 34.03 | 0.86 | 0.00 | 1264.78 | |||||||||||||
| S.D. | 0.16 | 0.70 | 1.55 | 14.61 | 37.59 | 63.30 | 60.67 | 80.53 | 60.49 | 31.37 | 1.65 | 0.00 | 133.33 | |||||||||||||
| SKEW | 5.92 | 4.79 | 5.08 | 1.21 | 0.76 | 0.85 | -0.30 | -0.01 | -0.49 | 1.38 | 2.07 | 0.00 | 0.29 | |||||||||||||
| MAX | 1.00 | 4.00 | 9.50 | 57.86 | 171.00 | 367.50 | 539.73 | 569.00 | 278.50 | 118.50 | 7.00 | 0.00 | 1501.72 | |||||||||||||
| MIN | 0.00 | 0.00 | 0.00 | 0.00 | 15.50 | 93.46 | 302.00 | 181.00 | 27.50 | 0.00 | 0.00 | 0.00 | 1050.88 | |||||||||||||
| NO YRS | 38 | 40 | 42 | 37 | 38 | 38 | 41 | 41 | 26 | 33 | 39 | 36 | 8 | |||||||||||||