YEAR(S | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
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 | 0.00 | z | 0.00 | 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 | 142.50 | k | 49.60 | a | 0.00 | a | 0.00 | a | 0.00 | 44.00 | 282.50 | 484.00 | 748.00 | 1608.10 | ||||||
1959 | 788.00 | 385.50 | n | 564.20 | a | 301.00 | 33.67 | b | 2.07 | a | 0.00 | a | 0.00 | 25.00 | 234.50 | 616.50 | 722.09 | b | 3287.03 | |||||||
1960 | 873.00 | 827.04 | b | 586.79 | c | 177.69 | d | 77.00 | f | 0.00 | 0.00 | a | 0.00 | b | 16.00 | 160.00 | 486.96 | b | 949.24 | b | 4076.72 | |||||
1961 | 925.87 | a | 612.50 | 525.85 | d | 249.00 | 40.00 | 7.50 | 0.00 | a | 0.00 | d | 32.00 | 199.00 | 639.83 | a | 763.50 | 3995.05 | ||||||||
1962 | 924.00 | 524.46 | b | 606.50 | 218.00 | 26.00 | 2.50 | 0.00 | i | 0.00 | 16.50 | 167.00 | 470.50 | 716.50 | 3671.96 | |||||||||||
1963 | 972.50 | 592.00 | 432.00 | 134.00 | 29.50 | 1.00 | 0.00 | 0.00 | 8.00 | 54.00 | 498.89 | c | 865.00 | 3586.89 | ||||||||||||
1964 | 848.50 | 848.50 | 549.22 | a | 243.62 | a | 30.00 | 6.00 | 0.00 | 0.00 | d | 28.50 | 110.00 | f | 497.50 | 727.00 | 3778.84 | |||||||||
1965 | 672.50 | 659.50 | 671.50 | 169.04 | d | 32.50 | f | 2.50 | 0.00 | 0.00 | 35.00 | c | 190.13 | a | 372.32 | b | 641.91 | b | 3414.41 | |||||||
1966 | 958.50 | 749.50 | 438.98 | c | 215.50 | 68.95 | b | 0.00 | 0.00 | 17.50 | 7.50 | b | 255.50 | 389.50 | 845.27 | a | 3946.70 | |||||||||
1967 | 751.50 | 621.50 | 307.50 | 108.00 | 92.00 | 2.00 | 0.00 | 0.00 | 29.00 | 191.50 | 497.14 | b | 889.00 | 3489.14 | ||||||||||||
1968 | 777.50 | 673.00 | 532.68 | a | 326.00 | 77.00 | 3.00 | 2.50 | 1.50 | 40.38 | d | 175.50 | 567.41 | a | 742.50 | 3918.98 | ||||||||||
1969 | 582.00 | 615.00 | 739.00 | 167.00 | 59.00 | 14.50 | 0.00 | 0.00 | 1.50 | 304.00 | 530.50 | 694.50 | 3707.00 | |||||||||||||
1970 | 868.00 | 540.50 | 587.50 | 262.50 | 69.50 | 9.00 | e | 0.00 | 0.00 | 60.00 | b | 321.50 | 488.50 | 619.00 | 3826.00 | |||||||||||
1971 | 734.50 | 635.00 | 463.00 | 245.00 | 63.50 | 0.00 | 0.00 | 0.00 | b | 96.43 | b | 203.50 | 462.50 | 694.50 | 3597.93 | |||||||||||
1972 | 743.00 | 568.00 | 311.00 | 147.50 | 62.50 | 0.00 | 4.00 | 0.00 | 31.00 | 257.96 | c | 702.00 | 808.00 | 3634.96 | ||||||||||||
1973 | 929.50 | 721.00 | 532.00 | 396.50 | 106.90 | b | 2.00 | 0.00 | 0.00 | 37.00 | 166.76 | b | 428.50 | 722.50 | 4042.66 | |||||||||||
1974 | 740.50 | 613.00 | 261.00 | 210.50 | 26.00 | 1.00 | 0.00 | 2.50 | 129.00 | 214.50 | 540.50 | 802.50 | 3541.00 | |||||||||||||
1975 | 738.50 | 634.00 | 473.00 | 282.00 | 61.48 | a | 5.17 | a | 0.00 | 0.00 | 81.50 | 161.50 | 491.00 | 678.50 | 3606.66 | |||||||||||
1976 | 748.50 | 397.00 | 415.50 | 174.00 | 90.42 | a | 0.00 | 0.00 | 0.00 | 31.03 | a | 356.00 | 634.00 | 784.00 | 3630.45 | |||||||||||
1977 | 883.50 | 547.00 | 488.50 | 211.50 | 13.00 | 0.00 | 0.00 | 0.00 | 0.00 | 119.50 | 405.50 | 574.50 | 3243.00 | |||||||||||||
1978 | 871.50 | 719.00 | 404.50 | 107.00 | 58.00 | 2.00 | 0.00 | 0.00 | c | 46.50 | 155.50 | 452.50 | 777.50 | 3594.00 | ||||||||||||
1979 | 914.50 | 619.50 | 451.00 | 203.50 | 51.00 | 15.50 | 0.00 | 0.00 | 28.33 | c | 128.50 | 617.50 | 724.00 | 3753.33 | ||||||||||||
1980 | 732.50 | 565.00 | 455.50 | 254.50 | 60.50 | 0.00 | 0.00 | 0.00 | 23.57 | b | 224.00 | 576.00 | 556.50 | 3448.07 | ||||||||||||
1981 | 708.50 | 517.00 | 439.00 | 126.50 | 44.71 | e | 2.00 | 0.00 | 0.00 | 16.55 | a | 181.50 | 349.50 | 597.50 | 2982.76 | |||||||||||
1982 | 718.50 | 640.50 | 403.00 | 220.00 | 52.00 | 1.50 | 0.00 | 0.00 | 8.00 | 225.00 | 547.50 | 854.50 | 3670.50 | |||||||||||||
1983 | 810.00 | 572.50 | 450.50 | 361.00 | 89.00 | 4.00 | 0.00 | 0.00 | 17.50 | 133.50 | 404.50 | 899.50 | 3742.00 | |||||||||||||
1984 | 804.50 | 569.00 | 460.00 | 152.00 | k | 17.50 | i | 6.96 | b | 0.00 | 0.00 | g | 73.45 | a | 276.62 | e | 420.00 | g | 737.80 | a | 2928.33 | |||||
1985 | 946.02 | a | 552.50 | i | 471.20 | a | 175.38 | d | 47.00 | 2.50 | f | 0.00 | a | 0.00 | 96.50 | 234.50 | 512.00 | 880.50 | 3363.10 | |||||||
1986 | 715.50 | 596.00 | 382.00 | 158.00 | 36.54 | c | 2.00 | k | 0.00 | 1.50 | 8.00 | 243.00 | 631.50 | 876.50 | 3648.54 | |||||||||||
1987 | 882.00 | 652.00 | 607.50 | 302.00 | 67.00 | 10.00 | 0.00 | 4.00 | 21.21 | a | 183.00 | 542.14 | b | 847.00 | 4117.85 | |||||||||||
1988 | 942.50 | 683.11 | b | 633.78 | d | 299.42 | d | 62.50 | l | 0.00 | o | 3.50 | 6.50 | 27.00 | 153.00 | 482.00 | 812.95 | b | 4043.76 | |||||||
1989 | 717.13 | a | 689.50 | 348.00 | 120.52 | a | 23.50 | 3.00 | 0.00 | 0.00 | 54.00 | r | 177.50 | 508.97 | a | 994.00 | 3582.12 | |||||||||
1990 | 809.10 | a | 593.50 | 475.85 | a | 260.69 | a | 112.00 | 0.00 | b | 0.00 | 3.50 | 10.50 | 193.00 | 432.00 | 820.00 | 3710.14 | |||||||||
1991 | 905.20 | a | 540.30 | a | 465.50 | 204.83 | a | 44.50 | 0.00 | 0.00 | l | 0.00 | 112.50 | 221.50 | 675.00 | 811.50 | 3980.82 | |||||||||
1992 | 902.00 | 603.00 | 417.00 | 189.00 | 100.50 | 10.50 | 0.00 | 0.00 | 35.50 | 170.00 | 712.50 | 805.50 | 3945.50 | |||||||||||||
1993 | 825.00 | 709.00 | 522.00 | 277.00 | 64.00 | 0.00 | 0.00 | 0.00 | 41.00 | 297.00 | 704.50 | 783.00 | 4222.50 | |||||||||||||
1994 | 853.00 | 717.00 | 487.00 | 261.00 | 61.48 | a | 0.00 | z | 0.00 | i | 0.00 | 11.00 | 0.00 | z | 456.50 | 651.50 | 3498.48 | |||||||||
1995 | 763.50 | 483.00 | 478.50 | 242.00 | 37.50 | 0.00 | 0.00 | 0.00 | 47.07 | a | 163.00 | 440.00 | 736.00 | 3390.57 | ||||||||||||
1996 | 760.50 | 539.00 | 567.50 | 221.00 | 3.00 | 0.00 | 0.00 | 0.00 | 59.50 | 243.50 | 528.62 | a | 737.50 | 3660.12 | ||||||||||||
1997 | 923.00 | 743.04 | a | 457.50 | 418.00 | 25.50 | z | 2.50 | 0.00 | 2.50 | 20.00 | 264.50 | 602.50 | 932.00 | 4365.54 | |||||||||||
1998 | 731.50 | 653.00 | 612.00 | 358.00 | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 2354.50 | |||||
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 | t | 0.00 | n | 0.00 | q | 19.50 | t | 133.00 | n | 206.00 | t | 215.50 | w | 0.00 | |
2001 | 417.50 | p | 96.00 | w | 0.00 | z | 0.00 | z | 6.50 | x | 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 | 817.40 | 625.85 | 486.86 | 230.71 | 55.75 | 3.23 | 0.27 | 1.01 | 37.26 | 207.45 | 522.55 | 770.58 | 3692.45 | |||||||||||||
S.D. | 93.69 | 90.79 | 99.97 | 76.94 | 26.14 | 4.18 | 0.94 | 3.05 | 30.86 | 61.41 | 94.48 | 101.72 | 271.83 | |||||||||||||
SKEW | -0.18 | 0.21 | 0.14 | 0.49 | 0.28 | 1.53 | 3.26 | 4.38 | 1.35 | 0.19 | 0.36 | -0.05 | -0.33 | |||||||||||||
MAX | 972.50 | 848.50 | 739.00 | 418.00 | 112.00 | 15.50 | 4.00 | 17.50 | 129.00 | 356.00 | 712.50 | 994.00 | 4222.50 | |||||||||||||
MIN | 582.00 | 397.00 | 261.00 | 107.00 | 3.00 | 0.00 | 0.00 | 0.00 | 0.00 | 54.00 | 349.50 | 556.50 | 2982.76 | |||||||||||||
NO YRS | 40 | 38 | 40 | 39 | 35 | 36 | 37 | 39 | 39 | 38 | 39 | 40 | 26 |