YEAR(S | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1921 | 3.00 | 57.50 | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 869.50 | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 930.00 | ||||
1922 | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | |
1923 | 0.00 | z | 11.00 | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 11.00 | ||
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 | 311.50 | 0.00 | z | 781.50 | 0.00 | z | 878.50 | 0.00 | z | 410.00 | 246.50 | 5.00 | 2633.00 | |||||||
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 | 17.50 | 9.00 | 106.00 | 304.00 | 522.00 | 883.00 | 866.50 | 795.50 | 714.50 | 396.28 | a | 16.00 | 4.50 | 4634.78 | ||||||||||||
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 | 0.00 | z | 0.00 | 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 | 66.50 | 170.50 | 387.50 | 712.50 | 752.00 | 776.50 | 485.00 | 260.00 | 59.00 | 9.00 | 3678.50 | |||||||||||
1976 | 3.10 | a | 49.50 | 72.00 | 251.00 | 369.50 | 701.50 | 754.00 | 787.40 | a | 521.50 | 151.50 | 27.00 | 0.00 | d | 3688.00 | ||||||||||
1977 | 0.00 | 14.00 | 29.50 | 231.00 | 520.00 | 793.00 | 896.00 | 848.50 | 640.00 | 281.00 | 50.50 | 53.50 | 4357.00 | |||||||||||||
1978 | 0.00 | 0.00 | 75.00 | 291.50 | 458.50 | 737.50 | 889.50 | 763.50 | 540.00 | 256.50 | 44.00 | 2.50 | 4058.50 | |||||||||||||
1979 | 0.00 | a | 21.00 | 24.50 | 230.00 | 409.00 | 590.00 | 861.05 | b | 728.00 | 541.50 | 338.00 | 1.50 | 16.00 | 3760.55 | |||||||||||
1980 | 6.00 | 10.88 | a | 26.50 | f | 136.07 | b | 403.00 | a | 854.00 | 1005.00 | 814.00 | 598.00 | 198.83 | b | 76.00 | 9.76 | d | 4111.53 | |||||||
1981 | 1.00 | 43.00 | 34.50 | 307.00 | 459.00 | 793.00 | 882.39 | c | 755.00 | 532.50 | 247.00 | 67.00 | 17.00 | 4138.39 | ||||||||||||
1982 | 2.00 | 32.50 | 80.50 | 216.50 | 476.50 | 708.00 | 886.60 | a | 866.00 | 600.00 | 217.50 | 40.00 | 0.00 | 4126.10 | ||||||||||||
1983 | 0.00 | a | 2.50 | 53.50 | 161.50 | 370.50 | 639.50 | 899.50 | 899.50 | 690.00 | 332.00 | 105.50 | 0.00 | 4154.00 | ||||||||||||
1984 | 0.00 | 12.50 | 61.50 | 178.00 | 568.50 | 722.00 | 817.50 | 781.50 | 540.00 | 180.50 | 54.50 | 3.50 | 3920.00 | |||||||||||||
1985 | 0.00 | 9.00 | 106.00 | 278.50 | 503.50 | 710.50 | 863.00 | 846.00 | 549.00 | 242.00 | 57.50 | 0.00 | 4165.00 | |||||||||||||
1986 | 13.50 | 74.00 | 150.50 | 304.00 | 486.00 | 673.50 | 869.50 | 798.00 | 585.00 | 208.00 | 38.00 | 0.00 | 4200.00 | |||||||||||||
1987 | 2.50 | 21.50 | 36.00 | 199.50 | 441.00 | 701.00 | 855.00 | 785.00 | 548.50 | 288.00 | 67.00 | 19.00 | 3964.00 | |||||||||||||
1988 | 3.00 | 28.50 | 100.50 | 196.00 | 447.50 | 725.00 | 803.50 | 786.00 | 521.00 | 298.00 | 109.00 | 0.00 | 4018.00 | |||||||||||||
1989 | 4.50 | 27.00 | 185.00 | 307.50 | 613.00 | 699.50 | 881.00 | 808.00 | 528.50 | 315.00 | 78.50 | 0.00 | 4447.50 | |||||||||||||
1990 | 0.00 | 9.00 | 72.00 | 236.00 | 473.50 | 939.50 | 817.50 | 727.00 | 623.50 | 270.50 | 71.00 | 4.00 | 4243.50 | |||||||||||||
1991 | 0.00 | 11.50 | 83.00 | 252.50 | 564.00 | 770.00 | 762.50 | 760.50 | 469.00 | 318.50 | 20.00 | 1.00 | 4012.50 | |||||||||||||
1992 | 0.00 | 3.50 | 77.50 | 299.00 | 428.00 | 647.50 | 869.00 | 768.50 | 593.00 | 356.00 | 31.00 | 4.50 | 4077.50 | |||||||||||||
1993 | 0.00 | 4.50 | 92.50 | 242.00 | 496.50 | 761.50 | 915.50 | 804.00 | 555.50 | 253.50 | 17.50 | 5.00 | 4148.00 | |||||||||||||
1994 | 0.00 | 9.50 | 117.50 | 236.50 | 502.50 | 873.50 | 915.00 | 883.00 | 604.50 | 257.50 | 63.00 | 7.50 | 4470.00 | |||||||||||||
1995 | 5.50 | 41.00 | 126.50 | 177.00 | 459.00 | 697.50 | 901.00 | 904.00 | 585.00 | 279.50 | 101.00 | 46.50 | 4323.50 | |||||||||||||
1996 | 6.00 | 66.50 | 78.50 | 257.50 | 746.50 | 820.50 | 895.50 | 808.50 | 505.50 | 279.00 | 64.50 | 33.00 | 4561.50 | |||||||||||||
1997 | 12.50 | 8.00 | 116.50 | 137.50 | 467.50 | 692.50 | 876.50 | 812.50 | 657.00 | 296.00 | 47.00 | 0.00 | 4123.50 | |||||||||||||
1998 | 0.00 | 5.00 | 95.00 | 143.50 | 576.00 | 791.50 | 944.50 | 788.50 | 724.00 | 308.00 | 66.50 | 10.00 | 4452.50 | |||||||||||||
1999 | 21.50 | 40.00 | 77.00 | 167.50 | 422.00 | 686.50 | 860.00 | 838.00 | 544.00 | 303.50 | 104.50 | 1.00 | 4065.50 | |||||||||||||
2000 | 36.00 | 56.00 | 101.27 | a | 328.00 | 670.50 | 764.50 | 944.50 | 935.00 | 684.50 | 263.00 | 3.00 | 0.00 | 4786.27 | ||||||||||||
2001 | 0.00 | 8.00 | 45.00 | 304.50 | 542.00 | 816.50 | 993.50 | 871.50 | 662.00 | 303.00 | 132.93 | a | 0.00 | 4678.93 | ||||||||||||
2002 | 12.50 | 18.50 | 89.50 | 371.50 | 569.00 | 885.00 | 888.50 | 912.50 | 592.00 | 216.00 | 33.50 | 5.50 | 4594.00 | |||||||||||||
2003 | 4.00 | 24.00 | 120.00 | 290.50 | 569.50 | 720.50 | 978.00 | 925.50 | 608.50 | 396.00 | 107.50 | 18.50 | 4762.50 | |||||||||||||
2004 | 7.00 | 4.50 | 172.50 | 219.50 | 597.50 | 765.50 | 819.50 | 733.00 | 570.00 | 260.50 | 29.00 | 6.00 | 4184.50 | |||||||||||||
2005 | 24.00 | 16.50 | 42.50 | 208.00 | 486.00 | 0.00 | z | 933.00 | 799.50 | 677.50 | 301.00 | 92.00 | 18.50 | 3598.50 | ||||||||||||
2006 | 12.00 | 17.00 | 107.00 | 364.50 | 673.50 | 899.00 | 939.50 | 819.00 | 479.00 | 276.00 | 81.00 | 2.50 | 4670.00 | |||||||||||||
2007 | 0.00 | 22.00 | 152.93 | a | 208.00 | 454.00 | 732.50 | 884.50 | 944.50 | 685.00 | 376.50 | 101.00 | 30.50 | 4591.43 | ||||||||||||
2008 | 8.00 | 19.00 | 109.00 | 239.50 | 513.50 | 871.50 | 847.00 | 824.00 | 564.50 | 303.50 | 79.00 | 21.00 | 4399.50 | |||||||||||||
2009 | 17.50 | 63.00 | 162.00 | 247.00 | 572.50 | 813.00 | 922.00 | 893.00 | 550.00 | 255.50 | 85.50 | 0.00 | 4581.00 | |||||||||||||
2010 | 0.00 | 0.00 | 12.00 | v | 0.00 | z | 221.00 | u | 901.00 | 902.00 | 878.00 | 739.00 | 376.00 | 69.50 | i | 28.50 | g | 3796.00 | ||||||||
2011 | 1.55 | a | 33.04 | c | 167.92 | a | 340.96 | d | 520.28 | a | 912.50 | 1036.00 | 1025.50 | 650.00 | 353.29 | b | 48.33 | c | 0.00 | c | 5089.38 | |||||
2012 | 5.96 | e | 13.90 | e | 191.34 | b | 396.50 | 617.50 | 934.00 | 975.00 | 947.00 | 662.00 | 0.00 | z | 0.00 | z | 0.00 | z | 4743.20 | |||||||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 5.90 | 22.93 | 96.72 | 249.78 | 509.38 | 772.33 | 886.79 | 832.98 | 592.82 | 287.75 | 66.22 | 9.34 | 4307.27 | |||||||||||||
S.D. | 8.20 | 19.76 | 44.36 | 66.94 | 86.51 | 88.59 | 63.50 | 68.75 | 71.12 | 59.77 | 43.88 | 13.04 | 316.00 | |||||||||||||
SKEW | 1.83 | 1.06 | 0.43 | 0.18 | 0.61 | 0.24 | -0.01 | 0.63 | 0.31 | 0.07 | 1.75 | 1.88 | 0.28 | |||||||||||||
MAX | 36.00 | 74.00 | 191.34 | 396.50 | 746.50 | 939.50 | 1036.00 | 1025.50 | 739.00 | 410.00 | 246.50 | 53.50 | 5089.38 | |||||||||||||
MIN | 0.00 | 0.00 | 24.50 | 136.07 | 369.50 | 590.00 | 752.00 | 727.00 | 469.00 | 151.50 | 1.50 | 0.00 | 3688.00 | |||||||||||||
NO YRS | 39 | 40 | 37 | 39 | 38 | 39 | 40 | 40 | 39 | 39 | 38 | 38 | 34 |