| YEAR(S | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
| 1923 | 0.00 | 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 | |
| 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 | 0.00 | z | 0.00 | z | 0.00 | |
| 1925 | 0.00 | 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 | |
| 1926 | 0.00 | 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 | |
| 1927 | 0.00 | 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 | 402.48 | a | 0.00 | z | 0.00 | z | 402.48 | |
| 1928 | 0.00 | 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 | |
| 1929 | 0.00 | 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 | |
| 1930 | 0.00 | 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 | |
| 1931 | 0.00 | 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 | |
| 1932 | 0.00 | 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 | |
| 1933 | 0.00 | 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 | |
| 1934 | 0.00 | 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 | |
| 1935 | 0.00 | 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 | |
| 1936 | 0.00 | 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 | |
| 1937 | 0.00 | 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 | |
| 1938 | 0.00 | 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 | |
| 1939 | 0.00 | 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 | |
| 1940 | 0.00 | 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 | |
| 1941 | 0.00 | 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 | |
| 1942 | 0.00 | 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 | |
| 1943 | 0.00 | 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 | |
| 1944 | 0.00 | 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 | |
| 1945 | 0.00 | 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 | |
| 1946 | 0.00 | 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 | |
| 1947 | 0.00 | 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 | |
| 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 | 0.00 | z | 0.00 | |
| 1949 | 0.00 | 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 | |
| 1950 | 0.00 | 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 | |
| 1951 | 0.00 | z | 0.00 | z | 0.00 | z | 303.46 | d | 499.50 | 660.50 | 1022.00 | 917.00 | 636.00 | 300.00 | 26.00 | 0.00 | 4364.46 | |||||||||
| 1952 | 6.00 | 0.00 | 25.00 | 247.00 | 563.50 | 759.50 | 965.50 | 990.00 | 718.50 | 419.50 | 63.50 | 0.50 | 4758.50 | |||||||||||||
| 1953 | 41.00 | 13.50 | 111.50 | 202.50 | 330.09 | d | 746.50 | 1037.00 | 958.00 | 716.50 | 312.50 | 135.50 | 0.00 | 4604.59 | ||||||||||||
| 1954 | 8.00 | 35.00 | 89.50 | 394.00 | 646.00 | 742.00 | 1097.50 | 943.50 | 736.00 | 411.00 | 99.50 | 1.00 | 5203.00 | |||||||||||||
| 1955 | 1.00 | 0.00 | 63.50 | 239.00 | 469.50 | 716.50 | 1013.00 | 1011.50 | 689.50 | 380.50 | 43.00 | 71.50 | 4698.50 | |||||||||||||
| 1956 | 60.00 | 7.50 | 157.00 | 282.50 | 576.08 | a | 850.00 | 989.00 | 876.50 | 723.00 | 370.00 | 15.50 | 6.00 | 4913.08 | ||||||||||||
| 1957 | 13.00 | 63.00 | 128.00 | 236.54 | d | 440.00 | 754.00 | 1014.00 | 985.00 | 605.00 | 313.50 | 6.00 | 10.00 | 4568.04 | ||||||||||||
| 1958 | 0.00 | 66.00 | 46.50 | a | 164.00 | 659.00 | 853.00 | 981.50 | 1015.00 | 704.00 | 395.00 | 96.00 | 9.00 | 4989.00 | ||||||||||||
| 1959 | 11.50 | 17.00 | 82.50 | 326.00 | 460.50 | 900.00 | 1071.50 | 988.00 | 607.00 | 321.00 | 23.00 | 1.00 | 4809.00 | |||||||||||||
| 1960 | 9.00 | 4.50 | 136.50 | 305.00 | 527.00 | 822.50 | 1040.50 | 895.00 | 680.00 | 255.50 | 70.50 | 9.00 | 4755.00 | |||||||||||||
| 1961 | 0.00 | 26.50 | 42.88 | a | 181.00 | 488.00 | 849.00 | 1059.50 | 1000.50 | 530.50 | 260.50 | 15.50 | 0.50 | 4454.38 | ||||||||||||
| 1962 | 0.00 | 42.50 | 34.50 | 319.50 | 452.50 | 723.50 | 963.00 | 913.50 | 701.00 | 403.50 | 114.50 | 5.50 | 4673.50 | |||||||||||||
| 1963 | 3.50 | 61.50 | 78.00 | 180.00 | 652.50 | 685.00 | 1074.50 | 1021.50 | 777.50 | 507.50 | 105.00 | 0.00 | 5146.50 | |||||||||||||
| 1964 | 2.50 | 0.00 | 33.00 | 219.50 | 501.50 | 737.50 | 1095.85 | a | 953.50 | 637.50 | 443.00 | 49.14 | a | 48.50 | 4721.49 | |||||||||||
| 1965 | 18.50 | 28.50 | 58.00 | 286.50 | 415.50 | 647.50 | 971.33 | a | 902.50 | 523.00 | 431.50 | 175.00 | 19.00 | 4476.83 | ||||||||||||
| 1966 | 1.00 | 1.50 | 188.00 | 284.00 | 661.00 | 824.00 | 1110.00 | 994.00 | 731.00 | 289.00 | 144.50 | 3.50 | 5231.50 | |||||||||||||
| 1967 | 7.00 | 14.50 | 191.50 | 174.50 | 454.50 | 659.50 | 1069.50 | 1044.00 | 705.00 | 359.50 | 116.00 | 0.00 | 4795.50 | |||||||||||||
| 1968 | 1.00 | 35.00 | 109.50 | 140.50 | 458.50 | 821.00 | 1026.00 | 798.00 | 574.00 | 354.50 | 52.50 | 15.50 | a | 4386.00 | ||||||||||||
| 1969 | 55.50 | 5.50 | 66.50 | 286.50 | 701.50 | 681.00 | 1063.50 | 1105.00 | 746.50 | 154.00 | 45.50 | 20.00 | 4931.00 | |||||||||||||
| 1970 | 29.00 | 55.00 | 40.50 | 125.50 | 552.50 | 747.00 | 1039.50 | 1017.50 | 580.50 | 226.50 | 86.00 | 7.50 | 4507.00 | |||||||||||||
| 1971 | 15.50 | 10.50 | 126.50 | 232.00 | 465.50 | 808.50 | 1098.00 | 1024.50 | 580.00 | 256.50 | 41.00 | 18.50 | 4677.00 | |||||||||||||
| 1972 | 18.50 | 87.50 | 229.50 | 275.00 | 555.42 | a | 816.00 | 1070.50 | 914.00 | 627.50 | 344.50 | 21.50 | 3.50 | 4963.42 | ||||||||||||
| 1973 | 0.50 | 0.50 | 18.00 | 145.50 | 551.50 | 781.00 | 1011.00 | 983.50 | 563.50 | 328.00 | 100.50 | 19.50 | 4503.00 | |||||||||||||
| 1974 | 0.00 | 3.50 | 165.00 | 202.00 | 615.50 | 877.50 | 1048.50 | 930.00 | 673.50 | 330.15 | a | 37.50 | 1.50 | 4884.65 | ||||||||||||
| 1975 | 16.50 | 3.50 | 71.50 | 118.50 | 399.50 | 680.00 | 1074.50 | 959.50 | 661.00 | 334.50 | 50.50 | 4.00 | 4373.50 | |||||||||||||
| 1976 | 0.00 | 39.00 | 50.24 | b | 244.00 | 635.50 | 773.00 | 1081.50 | 923.00 | 695.50 | 254.50 | 47.00 | 0.00 | 4743.24 | ||||||||||||
| 1977 | 0.00 | 9.00 | 41.50 | 387.50 | 454.00 | 965.50 | 1101.50 | 1042.00 | 754.00 | 420.00 | 123.50 | 24.50 | 5323.00 | |||||||||||||
| 1978 | 0.00 | 22.62 | b | 206.00 | 280.50 | 461.00 | 797.50 | 1073.50 | 945.50 | 659.00 | 414.00 | 68.00 | 4.00 | 4931.62 | ||||||||||||
| 1979 | 0.00 | 14.50 | 36.50 | g | 250.00 | 532.50 | 768.50 | 1015.50 | 938.00 | 799.00 | 453.50 | 25.50 | 1.50 | 4798.50 | ||||||||||||
| 1980 | 8.50 | 50.00 | 47.00 | 254.00 | 407.50 | 744.31 | a | 1029.00 | 923.00 | 637.50 | 281.00 | 119.00 | 22.00 | 4522.81 | ||||||||||||
| 1981 | 8.00 | 42.50 | 60.00 | 357.50 | 471.50 | 843.50 | 1063.00 | 964.50 | 742.50 | 266.50 | 128.50 | 32.50 | 4980.50 | |||||||||||||
| 1982 | 0.00 | 29.50 | 73.00 | 215.50 | 448.00 | 684.00 | 935.50 | 981.50 | 627.50 | 194.50 | 6.00 | 2.00 | 4197.00 | |||||||||||||
| 1983 | 4.00 | 17.00 | 91.00 | 133.50 | 370.50 | 718.00 | 954.00 | 959.50 | 710.50 | 347.50 | 126.50 | 8.50 | 4440.50 | |||||||||||||
| 1984 | 0.00 | 0.00 | 28.50 | 182.00 | 585.50 | 690.50 | 956.00 | 944.00 | 676.50 | 201.50 | 39.83 | a | 0.50 | 4304.83 | ||||||||||||
| 1985 | 0.00 | 0.00 | 71.00 | 296.00 | 555.50 | 803.50 | 1001.00 | 923.00 | 548.00 | 299.50 | 40.00 | 1.00 | 4538.50 | |||||||||||||
| 1986 | 13.00 | 101.50 | 193.00 | 231.50 | 483.00 | 852.00 | 938.50 | 968.50 | 507.00 | 254.00 | 49.50 | 7.50 | 4599.00 | |||||||||||||
| 1987 | 2.50 | 2.50 | 51.50 | 339.00 | 538.00 | 803.00 | 913.00 | 869.50 | 588.00 | 369.50 | 71.00 | 7.50 | 4555.00 | |||||||||||||
| 1988 | 1.00 | 11.50 | 70.00 | 289.50 | 470.50 | 885.00 | 1019.50 | 927.00 | 585.50 | 451.50 | 104.50 | 0.00 | 4815.50 | |||||||||||||
| 1989 | 0.00 | 7.00 | 208.50 | 356.50 | 507.00 | 720.00 | 1035.00 | 896.00 | 636.50 | 306.50 | 40.00 | 3.00 | 4716.00 | |||||||||||||
| 1990 | 0.50 | 1.00 | 0.00 | z | 347.50 | 518.00 | 824.00 | 1019.50 | 901.50 | 764.00 | 333.00 | 64.50 | 0.00 | 4773.50 | ||||||||||||
| 1991 | 0.00 | 17.50 | 78.00 | 193.00 | 409.50 | 734.50 | 987.50 | 965.00 | 608.50 | 344.50 | 0.00 | z | 0.00 | 4338.00 | ||||||||||||
| 1992 | 0.00 | z | 19.50 | 132.50 | 425.50 | 611.50 | 751.00 | 893.50 | 935.50 | 663.50 | 396.50 | 11.50 | 5.00 | 4845.50 | ||||||||||||
| 1993 | 0.00 | 6.00 | 123.50 | 246.50 | 577.00 | 652.00 | 855.00 | 880.50 | 577.50 | 274.50 | 5.00 | 13.00 | 4210.50 | |||||||||||||
| 1994 | 0.50 | 27.50 | 117.00 | 288.50 | 599.50 | 843.62 | a | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 1876.62 | ||||||
| 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 | 1046.00 | 893.50 | 488.00 | 296.00 | 102.50 | 0.50 | 2826.50 | |||||||
| 2007 | 0.00 | 37.50 | 195.50 | 329.00 | 452.50 | g | 849.50 | 857.50 | g | 1049.50 | 693.00 | 338.00 | 144.50 | 0.00 | 3636.50 | |||||||||||
| 2008 | 0.00 | 6.50 | 72.50 | 222.00 | 434.00 | 779.00 | 1062.50 | 993.00 | 658.00 | 370.00 | 86.00 | 5.50 | 4689.00 | |||||||||||||
| 2009 | 7.50 | 26.00 | 151.00 | 262.00 | 614.00 | 712.00 | 1040.00 | 913.00 | 780.58 | d | 258.00 | 100.00 | 0.00 | b | 4864.08 | |||||||||||
| 2010 | 0.00 | 1.00 | 88.00 | 213.50 | 394.50 | 805.00 | 1042.50 | 965.00 | 718.80 | e | 359.00 | 88.50 | 20.50 | 4696.30 | ||||||||||||
| 2011 | 0.00 | e | 13.00 | 91.50 | i | 205.50 | 370.45 | a | 727.00 | 984.00 | 368.50 | t | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 2299.95 | |||||
| Period of Record Statistics | ||||||||||||||||||||||||||
| MEAN | 7.74 | 22.60 | 98.71 | 253.48 | 511.36 | 772.83 | 1021.95 | 955.05 | 657.22 | 334.44 | 70.73 | 9.04 | 4711.01 | |||||||||||||
| S.D. | 13.61 | 23.98 | 57.81 | 73.08 | 88.62 | 72.63 | 57.32 | 56.38 | 77.07 | 74.65 | 43.84 | 13.60 | 266.01 | |||||||||||||
| SKEW | 2.54 | 1.40 | 0.67 | 0.19 | 0.18 | 0.24 | -0.78 | 0.05 | -0.26 | -0.09 | 0.31 | 2.70 | 0.25 | |||||||||||||
| MAX | 60.00 | 101.50 | 229.50 | 425.50 | 701.50 | 965.50 | 1110.00 | 1105.00 | 799.00 | 507.50 | 175.00 | 71.50 | 5323.00 | |||||||||||||
| MIN | 0.00 | 0.00 | 18.00 | 118.50 | 330.09 | 647.50 | 855.00 | 798.00 | 488.00 | 154.00 | 5.00 | 0.00 | 4197.00 | |||||||||||||
| NO YRS | 47 | 48 | 45 | 49 | 48 | 49 | 48 | 48 | 48 | 49 | 47 | 48 | 41 | |||||||||||||