YEAR(S | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1928 | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 11.50 | 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 | a | 0.00 | |
1936 | 0.00 | 0.00 | 11.00 | 170.00 | 296.00 | 378.50 | 480.00 | 453.50 | 292.50 | 160.00 | 5.50 | 1.00 | 2248.00 | |||||||||||||
1937 | 0.00 | 0.00 | 8.50 | 4.50 | 137.00 | 324.00 | 443.82 | a | 405.50 | 307.50 | 159.50 | 8.00 | 3.00 | 1801.32 | ||||||||||||
1938 | 0.00 | 0.00 | 6.50 | 46.00 | 178.50 | 328.00 | 527.00 | 373.55 | a | 421.50 | 130.50 | 1.50 | 5.50 | 2018.55 | ||||||||||||
1939 | 0.00 | 0.00 | 26.50 | 81.50 | 184.00 | 228.00 | 486.00 | 479.50 | 350.50 | 120.50 | 5.00 | 4.50 | 1966.00 | |||||||||||||
1940 | 0.00 | 4.50 | 21.00 | 60.50 | 228.00 | 353.50 | 444.00 | 497.50 | 384.50 | 185.00 | 5.50 | 4.00 | 2188.00 | |||||||||||||
1941 | 0.50 | 0.00 | 35.00 | 63.00 | 177.50 | 273.00 | 565.00 | 471.00 | 245.00 | 64.50 | 36.00 | 6.00 | 1936.50 | |||||||||||||
1942 | 0.00 | 0.00 | 4.50 | 36.50 | 143.00 | 219.00 | 492.50 | 512.50 | 344.50 | 146.50 | 2.00 | 0.00 | 1901.00 | |||||||||||||
1943 | 0.00 | 0.00 | 5.50 | 83.50 | 100.50 | 238.00 | 437.00 | 404.50 | 391.00 | 139.50 | 2.00 | 0.50 | 1802.00 | |||||||||||||
1944 | 0.00 | 0.00 | 9.50 | 28.00 | 136.50 | 255.50 | 455.50 | 429.00 | 384.50 | 165.50 | 15.50 | 3.00 | 1882.50 | |||||||||||||
1945 | 2.50 | 3.50 | 0.00 | 39.50 | 201.00 | 265.00 | 477.00 | 457.50 | 256.50 | 139.00 | 7.00 | 0.50 | 1849.00 | |||||||||||||
1946 | 0.00 | 0.00 | 0.00 | 47.50 | 194.00 | 236.50 | 467.00 | 487.00 | 288.00 | 36.50 | 1.50 | 5.00 | 1763.00 | |||||||||||||
1947 | 0.00 | 5.50 | 39.00 | 95.50 | 260.50 | 270.00 | a | 402.00 | 369.50 | 355.00 | 121.00 | 17.00 | 0.00 | 1935.00 | ||||||||||||
1948 | 0.00 | z | 0.00 | 6.00 | 14.00 | 140.50 | 0.00 | z | 334.05 | b | 319.50 | 251.38 | a | 52.00 | 0.00 | 0.00 | 1117.43 | |||||||||
1949 | 0.00 | a | 0.00 | 4.65 | a | 106.50 | 253.50 | 409.50 | 494.50 | 438.98 | c | 351.43 | b | 46.00 | 0.00 | 0.00 | 2105.06 | |||||||||
1950 | 0.00 | 1.56 | a | 5.68 | a | 18.00 | 157.07 | a | 282.00 | 428.50 | 482.50 | 326.50 | 63.50 | 21.00 | 6.00 | 1792.31 | ||||||||||
1951 | 0.00 | 15.00 | 0.00 | a | 97.50 | 174.00 | 385.34 | a | 463.93 | b | 426.50 | 399.00 | 130.50 | 3.00 | 0.00 | a | 2094.78 | |||||||||
1952 | 0.00 | 1.00 | 6.00 | 69.00 | 172.00 | 247.22 | c | 540.20 | d | 379.50 | h | 464.50 | 293.50 | 0.00 | k | 0.00 | 1793.43 | |||||||||
1953 | 2.00 | 0.50 | 6.72 | a | 47.00 | 120.00 | 167.50 | 445.00 | 442.50 | 388.50 | 128.98 | c | 13.00 | 0.50 | 1762.20 | |||||||||||
1954 | 0.00 | 0.00 | 1.00 | 48.00 | 193.23 | a | 215.50 | 364.50 | 371.00 | 277.24 | a | 94.00 | 25.50 | 0.00 | 1589.97 | |||||||||||
1955 | 0.00 | 0.00 | a | 0.52 | a | 14.50 | 95.07 | a | 285.00 | 351.69 | b | 428.00 | 325.34 | a | 114.00 | 36.50 | 4.00 | 1654.62 | ||||||||
1956 | 0.50 | 0.00 | 2.07 | a | 82.50 | 267.12 | a | 228.75 | b | 519.50 | 441.50 | 342.00 | 98.00 | 0.50 | 8.50 | 1990.93 | ||||||||||
1957 | 0.00 | 7.26 | a | 5.00 | 62.00 | 220.21 | b | 334.00 | 413.00 | 397.50 | 474.00 | 92.00 | 6.00 | 4.00 | 2014.97 | |||||||||||
1958 | 5.00 | 22.00 | 5.00 | 52.00 | 290.00 | 399.00 | 614.00 | 583.00 | 361.50 | 171.00 | 29.00 | 18.50 | 2550.00 | |||||||||||||
1959 | 0.50 | 2.50 | 4.13 | a | 60.50 | 118.50 | 311.00 | 522.00 | 413.50 | 269.50 | 147.50 | 19.00 | 0.50 | 1869.13 | ||||||||||||
1960 | 2.00 | 0.00 | 23.00 | 69.00 | 118.00 | 362.50 | 523.50 | 414.00 | 364.50 | 158.00 | 9.50 | 4.50 | 2048.50 | |||||||||||||
1961 | 6.72 | a | 7.00 | 13.00 | 56.00 | 169.50 | 424.00 | 512.00 | 575.50 | 270.00 | 152.00 | 3.00 | 1.50 | 2190.22 | ||||||||||||
1962 | 0.00 | 1.50 | 3.00 | 85.00 | 67.50 | 285.00 | 432.50 | 410.00 | 271.00 | 61.48 | a | 11.50 | 0.00 | 1628.48 | ||||||||||||
1963 | 0.00 | 15.00 | 5.50 | 29.50 | 197.00 | 284.00 | 390.00 | 493.50 | 426.50 | 122.50 | 0.00 | z | 0.00 | 1963.50 | ||||||||||||
1964 | 0.00 | z | 0.00 | z | 7.00 | 15.50 | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 306.00 | 0.00 | z | 4.50 | 7.50 | 340.50 | ||||||
1965 | 1.00 | 0.00 | 28.50 | 84.50 | 125.00 | 303.50 | 516.50 | 530.00 | 334.50 | 191.50 | 22.00 | 3.00 | 2140.00 | |||||||||||||
1966 | 0.00 | 1.00 | 23.00 | 48.00 | 204.50 | 334.00 | 450.00 | 489.00 | 371.00 | 137.00 | 35.00 | 3.00 | 2095.50 | |||||||||||||
1967 | 5.00 | 3.50 | 12.50 | 1.50 | 176.50 | 419.50 | 499.00 | 648.50 | 467.00 | 115.45 | b | 10.00 | 0.00 | z | 2358.45 | |||||||||||
1968 | 5.00 | 31.00 | 21.00 | 49.50 | 147.50 | 320.00 | 497.50 | 415.50 | 328.50 | 65.32 | c | 13.50 | 0.00 | 1894.32 | ||||||||||||
1969 | 4.50 | 0.00 | 34.00 | 34.00 | 289.69 | b | 447.00 | 434.00 | 401.50 | 335.00 | 77.50 | 14.00 | 0.00 | 2071.19 | ||||||||||||
1970 | 14.00 | 4.50 | 5.50 | 16.50 | 194.00 | 398.00 | 502.00 | 453.00 | 268.00 | 113.00 | 28.50 | 0.50 | 1997.50 | |||||||||||||
1971 | 3.00 | 1.00 | 5.50 | 45.50 | 226.00 | 188.50 | 499.00 | 560.00 | 287.50 | 112.50 | 1.00 | 0.00 | 1929.50 | |||||||||||||
1972 | 2.00 | 12.00 | 65.00 | 22.00 | 225.00 | 335.50 | 573.50 | 566.50 | 276.50 | 134.00 | 13.50 | 15.00 | 2240.50 | |||||||||||||
1973 | 1.50 | 8.00 | 0.00 | 53.00 | 230.00 | 361.00 | 525.50 | 399.00 | 373.50 | 86.00 | 2.50 | 0.00 | 2040.00 | |||||||||||||
1974 | 6.00 | 0.00 | 32.50 | 31.00 | 123.50 | 371.90 | a | 496.00 | 515.63 | a | 487.50 | 141.50 | 11.00 | 7.00 | 2223.53 | |||||||||||
1975 | 10.50 | 9.00 | 6.50 | 4.50 | 185.50 | 279.50 | 462.00 | 392.50 | 424.00 | 120.50 | 19.50 | 12.00 | 1926.00 | |||||||||||||
1976 | 3.50 | 0.00 | 12.00 | 38.00 | 184.50 | 265.00 | 439.68 | a | 397.50 | 403.50 | 136.50 | 42.00 | 0.00 | 1922.18 | ||||||||||||
1977 | 0.00 | 3.00 | 0.00 | 84.00 | 83.50 | 357.00 | 468.21 | b | 614.00 | 287.50 | 93.50 | 8.00 | 8.00 | 2006.71 | ||||||||||||
1978 | 0.00 | 2.50 | 54.00 | 47.00 | 151.00 | 391.03 | a | 488.00 | 467.00 | 263.00 | 165.00 | 6.00 | 0.00 | 2034.53 | ||||||||||||
1979 | 0.00 | 4.00 | 35.50 | 90.50 | 237.67 | a | 387.50 | 394.50 | l | 479.00 | 399.83 | a | 219.67 | b | 15.50 | 2.67 | b | 1871.84 | ||||||||
1980 | 0.00 | 6.73 | a | 5.17 | a | 100.00 | 154.00 | 210.00 | 504.00 | 385.95 | a | 352.50 | b | 154.40 | e | 22.00 | 17.00 | 1911.75 | ||||||||
1981 | 0.50 | 16.00 | 0.50 | i | 40.00 | m | 67.00 | p | 262.00 | 466.66 | c | 344.50 | g | 353.57 | b | 39.00 | m | 2.50 | g | 4.00 | 1102.73 | |||||
1982 | 0.00 | 14.00 | 2.50 | 36.00 | 196.50 | 398.00 | 444.00 | 454.00 | 363.50 | 145.00 | 7.00 | 3.50 | 2064.00 | |||||||||||||
1983 | 5.00 | 7.00 | 16.00 | 81.00 | 240.00 | 299.50 | 402.50 | 523.50 | 283.00 | 107.00 | 29.00 | 0.00 | 1993.50 | |||||||||||||
1984 | 15.50 | 2.00 | 33.50 | 23.50 | 141.50 | 272.50 | 514.50 | 481.00 | 329.50 | 111.50 | 13.50 | 0.00 | 1938.50 | |||||||||||||
1985 | 0.00 | 0.00 | 3.00 | 102.50 | 0.00 | z | 350.50 | 616.00 | 462.50 | 271.50 | 107.50 | 27.00 | 0.00 | 1940.50 | ||||||||||||
1986 | 0.00 | 31.00 | 50.00 | 55.00 | 214.50 | 453.00 | 415.50 | 611.00 | 266.00 | 161.50 | 3.50 | 0.00 | 2261.00 | |||||||||||||
1987 | 0.00 | 0.00 | 18.00 | 136.50 | 256.50 | 431.00 | 445.50 | 546.50 | 415.50 | 264.50 | 25.50 | 0.50 | 2540.00 | |||||||||||||
1988 | 0.00 | 14.50 | 5.00 | 81.00 | 151.50 | 279.00 | 508.00 | 493.00 | 363.00 | 230.50 | 16.00 | 0.00 | 2141.50 | |||||||||||||
1989 | 1.50 | 0.00 | 3.00 | 149.00 | 170.00 | 373.50 | 441.00 | 447.00 | 459.50 | 124.00 | 19.00 | 1.00 | 2188.50 | |||||||||||||
1990 | 5.00 | 4.50 | 19.00 | 88.00 | 143.50 | 340.50 | 570.50 | 551.50 | 452.50 | 77.50 | 29.00 | 0.00 | 2281.50 | |||||||||||||
1991 | 12.00 | 21.00 | 6.50 | 37.00 | 90.50 | 242.50 | 525.00 | 529.00 | 484.50 | 224.00 | 36.50 | 0.00 | 2208.50 | |||||||||||||
1992 | 16.00 | 33.50 | 61.00 | 141.00 | 313.00 | 431.50 | 544.50 | 587.50 | 354.00 | 190.50 | 10.00 | 0.00 | a | 2682.50 | ||||||||||||
1993 | 4.00 | 0.00 | 24.50 | 46.00 | 287.00 | 298.00 | 383.50 | 528.50 | 412.50 | 208.50 | 2.00 | 5.00 | 2199.50 | |||||||||||||
1994 | 5.50 | 9.50 | 62.50 | 91.00 | 243.00 | 266.50 | 573.00 | 484.00 | 457.00 | 93.00 | 2.00 | 12.50 | 2299.50 | |||||||||||||
1995 | 14.50 | 30.50 | 24.50 | 60.50 | 254.00 | 395.00 | 577.00 | 464.00 | 465.00 | 128.00 | 74.50 | 2.00 | 2489.50 | |||||||||||||
1996 | 0.00 | 13.50 | 36.00 | 117.00 | 113.00 | 289.50 | 606.00 | 541.00 | 289.50 | 143.00 | 4.00 | 0.00 | 2152.50 | |||||||||||||
1997 | 5.68 | a | 2.00 | 25.50 | 54.50 | 322.00 | 302.50 | 484.50 | 602.50 | 418.50 | 81.50 | 17.00 | 0.00 | 2316.18 | ||||||||||||
1998 | 0.00 | 4.00 | 31.00 | 67.00 | 153.00 | 319.00 | 586.00 | 555.00 | 428.50 | 114.00 | 14.50 | 5.00 | 2277.00 | |||||||||||||
1999 | 0.00 | 0.00 | 7.50 | 86.50 | 145.00 | 273.00 | 455.50 | 526.00 | 399.00 | 147.00 | 42.00 | 3.00 | 2084.50 | |||||||||||||
2000 | 0.00 | 0.00 | 2.00 | 110.00 | 191.50 | 392.00 | 482.00 | 472.50 | 391.00 | 146.00 | 5.69 | a | 0.00 | 2192.69 | ||||||||||||
2001 | 0.00 | 1.50 | 25.32 | a | 48.00 | 238.00 | 269.50 | 458.00 | 524.00 | 404.50 | 139.50 | 34.44 | c | 0.00 | a | 2142.76 | ||||||||||
2002 | 8.00 | 15.00 | 0.00 | 62.00 | 153.50 | 336.50 | 541.00 | 501.00 | 388.50 | 145.00 | 14.00 | 5.50 | 2170.00 | |||||||||||||
2003 | 14.50 | 3.00 | 35.00 | 42.00 | 210.00 | 427.00 | 582.50 | 570.00 | 465.50 | 269.00 | 6.50 | 0.00 | 2625.00 | |||||||||||||
2004 | 2.00 | 0.00 | 53.00 | 121.00 | 236.50 | 399.50 | 601.50 | 600.50 | 356.50 | 182.00 | 7.00 | 8.00 | 2567.50 | |||||||||||||
2005 | 15.50 | 2.50 | 46.00 | 96.50 | 282.00 | 291.50 | 575.50 | 593.00 | 346.50 | 157.50 | 3.00 | 5.00 | 2414.50 | |||||||||||||
2006 | 0.50 | 0.00 | 6.00 | 89.00 | 253.00 | 424.00 | 600.50 | 519.00 | 401.50 | 140.00 | 39.50 | 1.50 | 2474.50 | |||||||||||||
2007 | 0.00 | 9.00 | 58.00 | 56.00 | 197.00 | 310.50 | 583.00 | 530.50 | 348.00 | 74.00 | 6.00 | 7.50 | 2179.50 | |||||||||||||
2008 | 0.00 | 0.00 | 6.00 | 36.50 | 245.00 | 284.00 | 528.50 | 556.50 | 413.50 | 129.50 | 47.00 | 0.50 | 2247.00 | |||||||||||||
2009 | 2.50 | 0.00 | 0.00 | 65.50 | 211.00 | 356.50 | 575.50 | 489.00 | 386.50 | 102.50 | 3.00 | 2.00 | 2194.00 | |||||||||||||
2010 | 1.50 | 5.00 | 9.00 | 27.00 | 108.00 | 235.50 | 458.50 | 473.00 | 363.50 | 117.50 | 43.00 | 8.50 | 1850.00 | |||||||||||||
2011 | 9.00 | 0.00 | 10.50 | 6.50 | 57.50 | 252.00 | 422.00 | 516.00 | 460.50 | 126.00 | 2.00 | 1.50 | 1863.50 | |||||||||||||
2012 | 0.00 | 1.50 | 2.00 | 90.00 | 171.50 | 239.00 | 435.50 | 519.50 | 401.50 | 190.50 | 42.00 | 0.00 | 2093.00 | |||||||||||||
2013 | 0.00 | 1.50 | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 1.50 | |||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 2.82 | 5.39 | 16.94 | 62.30 | 188.06 | 318.04 | 490.45 | 485.74 | 362.89 | 135.12 | 15.91 | 3.03 | 2089.09 | |||||||||||||
S.D. | 4.49 | 8.17 | 17.58 | 35.69 | 60.66 | 69.02 | 65.33 | 69.80 | 65.43 | 50.26 | 14.71 | 4.14 | 236.03 | |||||||||||||
SKEW | 1.75 | 1.96 | 1.18 | 0.61 | 0.10 | 0.11 | 0.00 | 0.07 | 0.01 | 0.75 | 1.32 | 1.80 | 0.37 | |||||||||||||
MAX | 16.00 | 33.50 | 65.00 | 170.00 | 322.00 | 453.00 | 616.00 | 648.50 | 487.50 | 293.50 | 74.50 | 18.50 | 2682.50 | |||||||||||||
MIN | 0.00 | 0.00 | 0.00 | 1.50 | 57.50 | 167.50 | 334.05 | 319.50 | 245.00 | 36.50 | 0.00 | 0.00 | 1589.97 | |||||||||||||
NO YRS | 76 | 77 | 76 | 76 | 74 | 75 | 75 | 74 | 77 | 75 | 74 | 77 | 69 |