YEAR(S | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
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 | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | |
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 | 643.25 | a | 555.00 | 349.00 | 203.57 | b | 16.02 | a | 0.00 | a | 0.00 | 0.00 | 0.00 | a | 102.50 | 346.50 | 406.00 | 2621.84 | ||||||||
1930 | 668.50 | 329.00 | 350.00 | 105.52 | a | 156.50 | 5.56 | c | 0.00 | 0.00 | a | 5.00 | 104.00 | 326.50 | 568.00 | 2618.57 | ||||||||||
1931 | 545.50 | 404.00 | 299.50 | 65.69 | a | 7.00 | 0.00 | a | 0.00 | a | 0.00 | 0.00 | d | 60.00 | 452.00 | 644.80 | a | 2478.49 | ||||||||
1932 | 743.00 | 502.32 | a | 324.50 | 179.00 | 54.50 | 24.50 | 0.00 | 0.00 | 0.00 | 88.87 | a | 195.00 | 662.50 | 2774.19 | |||||||||||
1933 | 673.50 | 629.00 | 318.50 | 262.50 | 183.42 | a | 5.00 | 0.00 | 0.00 | 0.00 | 1.00 | 215.00 | 472.50 | 2760.42 | ||||||||||||
1934 | 492.50 | 314.00 | 110.50 | 50.17 | a | 8.50 | 7.24 | a | 0.00 | 0.00 | 20.00 | 59.00 | 279.50 | 470.00 | 1811.41 | |||||||||||
1935 | 557.00 | 401.00 | 442.00 | 156.00 | 109.00 | 2.00 | 0.00 | 0.00 | 0.00 | 98.50 | 412.00 | 525.00 | 2702.50 | |||||||||||||
1936 | 565.50 | 526.50 | 260.40 | a | 138.00 | 8.50 | 8.00 | 0.00 | 0.00 | 5.17 | a | 69.00 | 286.00 | 572.50 | 2439.57 | |||||||||||
1937 | 960.00 | 529.93 | a | 437.50 | 202.00 | 14.47 | a | 1.61 | b | 0.00 | 0.00 | 0.00 | 12.92 | a | 233.28 | a | 445.50 | 2837.19 | ||||||||
1938 | 486.50 | 519.00 | 468.50 | 181.50 | 76.47 | a | 0.00 | 0.00 | 0.00 | 0.00 | 74.00 | 446.50 | 468.00 | 2720.47 | ||||||||||||
1939 | 585.00 | 694.81 | a | 331.70 | a | 107.50 | 7.75 | a | 0.00 | 0.00 | a | 0.00 | a | 0.00 | b | 113.84 | b | 266.00 | 404.55 | a | 2511.16 | |||||
1940 | 492.00 | 464.00 | 262.00 | 142.50 | 0.00 | 0.00 | a | 0.00 | 0.00 | 0.00 | 54.00 | 390.50 | 449.00 | 2254.00 | ||||||||||||
1941 | 585.50 | 404.50 | 408.54 | c | 344.50 | 12.29 | b | 6.00 | 0.00 | 0.00 | 8.50 | 180.00 | 268.50 | 537.50 | 2755.83 | |||||||||||
1942 | 556.50 | 562.50 | 471.09 | c | 200.00 | 74.92 | a | 0.00 | a | 0.00 | 0.00 | 0.00 | 110.00 | 213.50 | 465.00 | a | 2653.51 | |||||||||
1943 | 554.00 | 380.00 | 326.50 | 158.79 | a | 38.50 | 10.00 | 0.00 | 0.00 | 1.00 | 98.50 | 308.00 | 542.50 | 2417.79 | ||||||||||||
1944 | 625.50 | 593.50 | 447.00 | 287.50 | 46.50 | a | 8.50 | 0.00 | a | 0.00 | 0.00 | 26.50 | 429.31 | a | 499.50 | 2963.81 | ||||||||||
1945 | 597.00 | 457.50 | 533.00 | 275.77 | d | 23.77 | a | 0.00 | d | 0.00 | b | 0.00 | 0.00 | i | 18.00 | j | 0.00 | z | 0.00 | z | 1887.04 | |||||
1946 | 0.00 | z | 221.93 | a | 0.00 | z | 45.00 | g | 5.17 | d | 0.00 | b | 0.00 | a | 0.00 | e | 0.00 | f | 46.00 | w | 432.32 | b | 484.52 | d | 1143.93 | |
1947 | 610.18 | a | 369.25 | d | 296.71 | c | 150.56 | c | 27.38 | a | 0.00 | a | 0.00 | a | 0.00 | a | 0.00 | 100.50 | 509.44 | c | 664.90 | b | 2728.93 | |||
1948 | 571.50 | 594.00 | 570.50 | 169.66 | a | 50.78 | b | 1.03 | a | 0.00 | b | 0.00 | b | 0.00 | g | 79.16 | c | 344.50 | i | 470.50 | h | 2036.63 | ||||
1949 | 987.50 | 651.54 | b | 470.74 | d | 165.58 | d | 49.50 | 7.76 | a | 0.00 | 0.00 | 0.00 | 209.25 | a | 194.46 | b | 621.03 | a | 3357.36 | ||||||
1950 | 705.00 | 392.50 | 288.50 | f | 78.62 | a | 74.50 | 5.00 | 0.00 | 0.00 | b | 3.21 | b | 14.00 | 204.83 | a | 317.75 | a | 1795.41 | |||||||
1951 | 584.50 | 484.00 | 416.50 | 227.50 | 105.50 | 4.66 | a | 0.00 | d | 4.02 | d | 0.00 | a | 107.00 | 419.50 | 683.00 | 3036.17 | |||||||||
1952 | 729.61 | c | 542.00 | 634.50 | 225.00 | 9.50 | 0.00 | 0.00 | 0.00 | 2.50 | 0.00 | 470.00 | 594.54 | c | 3207.64 | |||||||||||
1953 | 453.00 | 487.50 | 359.00 | 208.50 | 122.34 | c | 0.00 | 0.00 | a | 0.00 | 0.00 | b | 91.00 | 220.50 | 583.46 | c | 2525.30 | |||||||||
1954 | 557.00 | 273.00 | 463.40 | b | 90.00 | 22.50 | 2.00 | 0.00 | a | 0.00 | a | 0.00 | 54.77 | a | 213.00 | 535.00 | 2210.66 | |||||||||
1955 | 705.52 | b | 593.00 | 364.50 | 255.00 | 71.50 | 11.00 | 0.50 | 0.00 | 0.50 | 15.50 | 323.33 | c | 455.50 | 2795.85 | |||||||||||
1956 | 447.50 | 620.50 | 292.95 | a | 208.89 | c | 27.00 | 0.00 | 0.00 | a | 0.00 | a | 0.00 | 95.00 | 355.50 | 506.16 | b | 2553.49 | ||||||||
1957 | 638.60 | a | 306.50 | 361.50 | 229.14 | a | 120.50 | 3.00 | 0.00 | 0.00 | a | 0.00 | 167.40 | a | 501.50 | 450.57 | b | 2778.71 | ||||||||
1958 | 554.00 | 403.00 | 569.00 | 262.00 | 24.50 | 0.00 | 0.00 | 0.00 | 4.50 | 61.00 | 351.00 | 361.00 | 2590.00 | |||||||||||||
1959 | 512.50 | 560.50 | 323.50 | 86.50 | 52.00 | 0.00 | 0.00 | c | 0.00 | a | 6.00 | 57.57 | c | 192.00 | h | 498.87 | d | 2097.44 | ||||||||
1960 | 724.50 | 622.50 | 276.86 | b | 154.00 | 48.50 | 0.00 | 0.00 | 0.00 | 0.00 | 120.50 | 328.50 | 490.50 | g | 2275.36 | |||||||||||
1961 | 462.42 | a | 395.50 | 377.50 | 147.50 | 38.00 | 2.00 | 0.00 | 0.00 | 1.50 | 124.00 | 333.50 | f | 605.00 | 2153.42 | |||||||||||
1962 | 575.57 | a | 495.00 | 564.41 | b | 55.50 | 93.00 | 9.50 | 0.00 | 0.00 | 0.00 | a | 48.00 | 175.34 | a | 414.50 | 2430.83 | |||||||||
1963 | 656.50 | 278.00 | 405.50 | 271.50 | 7.00 | 0.00 | 0.00 | 0.00 | 0.00 | 37.00 | 313.00 | 510.98 | a | 2479.48 | ||||||||||||
1964 | 662.00 | 573.00 | 500.50 | 249.31 | a | 115.22 | a | 1.50 | 0.00 | 0.00 | a | 0.00 | a | 14.50 | 462.50 | 587.45 | a | 3165.98 | ||||||||
1965 | 517.38 | b | 482.00 | 488.00 | 314.00 | 130.41 | b | 5.69 | a | 0.00 | 0.00 | b | 33.00 | 44.43 | a | 283.00 | 574.00 | 2871.92 | ||||||||
1966 | 677.35 | a | 599.00 | 314.00 | 113.00 | 0.00 | e | 0.00 | 0.00 | 0.00 | 0.00 | a | 76.00 | 337.80 | e | 572.00 | 2689.15 | |||||||||
1967 | 556.00 | 410.50 | 362.91 | b | 386.79 | b | 90.93 | a | 5.69 | a | 0.00 | 0.00 | b | 0.00 | 23.25 | a | 230.17 | a | 742.45 | a | 2808.70 | |||||
1968 | 591.50 | 330.00 | 354.95 | a | 249.50 | 54.54 | d | 15.50 | 0.00 | 0.00 | 1.00 | 48.00 | 318.00 | 643.50 | 2606.49 | |||||||||||
1969 | 514.50 | 579.50 | 475.50 | 169.00 | 55.00 | 1.50 | 0.00 | 0.00 | 0.00 | 142.60 | a | 324.50 | 498.07 | a | 2760.17 | |||||||||||
1970 | 615.00 | 367.00 | 462.50 | 346.00 | 34.00 | 1.00 | 0.00 | 0.00 | 2.50 | 137.00 | 299.00 | 624.50 | 2888.50 | |||||||||||||
1971 | 581.25 | a | 469.00 | 333.00 | 239.50 | 123.47 | b | 11.50 | 0.00 | 0.00 | 12.00 | 253.50 | 403.00 | 717.50 | 3143.72 | |||||||||||
1972 | 615.50 | 399.50 | 138.00 | 135.50 | 34.50 | 0.00 | 0.00 | 0.00 | 0.00 | a | 180.00 | 496.00 | 682.50 | 2681.50 | ||||||||||||
1973 | 708.00 | 512.50 | 632.50 | 289.50 | 38.00 | 0.50 | 0.00 | 0.00 | 0.00 | 69.48 | b | 388.50 | 521.00 | 3159.98 | ||||||||||||
1974 | 641.00 | 500.50 | 345.00 | 181.50 | 19.50 | 0.00 | 0.00 | 0.00 | 0.00 | c | 88.50 | 336.50 | 658.00 | 2770.50 | ||||||||||||
1975 | 608.50 | 530.50 | 520.00 | 410.36 | b | 98.17 | a | 0.00 | 0.00 | 0.00 | b | 0.00 | a | 107.50 | 336.35 | d | 512.00 | 3123.37 | ||||||||
1976 | 496.50 | 425.50 | 453.00 | 269.00 | 23.00 | 3.50 | 0.00 | 0.00 | g | 5.50 | 107.50 | 271.00 | 520.50 | 2575.00 | ||||||||||||
1977 | 602.00 | 358.50 | 513.00 | 146.00 | 160.00 | 0.00 | 0.00 | 0.00 | 1.50 | 30.50 | 233.50 | 418.00 | 2463.00 | |||||||||||||
1978 | 575.50 | 474.50 | 303.50 | 260.00 | 58.00 | 0.00 | 0.00 | 0.00 | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 1671.50 | |||||||||
1979 | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | |
1980 | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | |
1981 | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | |
1982 | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | |
1983 | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | |
1984 | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | |
1985 | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | |
1986 | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | |
1987 | 0.00 | z | 485.50 | 473.00 | 101.00 | 47.00 | 0.00 | 0.00 | 0.00 | a | 0.00 | 50.50 | 418.00 | 700.50 | 2275.50 | |||||||||||
1988 | 620.50 | 423.00 | 380.00 | 201.50 | 107.50 | 0.00 | 0.00 | 0.00 | 4.50 | 0.50 | 378.50 | 578.50 | 2694.50 | |||||||||||||
1989 | 619.00 | 458.77 | b | 225.00 | 65.50 | 54.50 | 0.00 | b | 0.00 | 0.00 | m | 1.00 | 84.00 | 225.00 | 490.50 | 2223.27 | ||||||||||
1990 | 611.00 | 556.00 | 320.00 | 119.00 | 46.00 | 0.00 | 0.00 | 0.00 | 0.00 | 28.00 | 273.00 | 696.00 | 2649.00 | |||||||||||||
1991 | 585.00 | 269.50 | 605.00 | 205.50 | 71.00 | 25.00 | 0.00 | 0.00 | 0.00 | 118.50 | 359.50 | 568.00 | 2807.00 | |||||||||||||
1992 | 582.00 | 405.50 | 408.00 | 95.00 | 3.50 | 0.00 | 0.00 | 3.50 | 0.00 | 34.50 | 417.00 | 685.00 | 2634.00 | |||||||||||||
1993 | 594.00 | 524.50 | 315.00 | 121.00 | 6.50 | 11.00 | 0.00 | 0.00 | 0.00 | 70.00 | 414.00 | 559.50 | 2615.50 | |||||||||||||
1994 | 494.00 | 526.50 | 240.50 | 189.00 | 48.00 | 0.00 | 0.00 | 0.00 | 0.00 | 97.00 | 512.50 | 552.50 | 2660.00 | |||||||||||||
1995 | 630.00 | 283.50 | 388.50 | 257.50 | 104.00 | 18.50 | 0.00 | 0.00 | 0.00 | 21.50 | 160.00 | 453.00 | 2316.50 | |||||||||||||
1996 | 0.00 | z | 361.00 | 309.00 | 98.00 | 13.50 | 0.00 | 0.00 | 0.00 | 0.00 | 186.00 | 309.00 | 516.00 | 1792.50 | ||||||||||||
1997 | 593.00 | 482.50 | 202.00 | 229.50 | 1.00 | 0.00 | 0.00 | 0.00 | 0.00 | 115.50 | 288.00 | 625.50 | 2537.00 | |||||||||||||
1998 | 525.00 | 581.50 | 399.00 | 277.50 | 84.00 | 3.00 | 0.00 | 0.00 | 0.50 | 85.50 | 299.50 | 534.00 | 2789.50 | |||||||||||||
1999 | 442.50 | 384.22 | a | 309.00 | 330.50 | 35.65 | a | 17.50 | 0.00 | 0.00 | 0.00 | 16.00 | 153.00 | 512.05 | c | 2200.43 | ||||||||||
2000 | 461.50 | 368.00 | 323.50 | 78.89 | c | 4.65 | a | 0.00 | 0.00 | 0.00 | 0.00 | 168.50 | 509.00 | 434.00 | 2348.04 | |||||||||||
2001 | 641.50 | 517.48 | a | 315.68 | a | 226.55 | a | 7.75 | a | 0.00 | 0.00 | 0.00 | 0.00 | 11.50 | 256.50 | 617.00 | 2593.97 | |||||||||
2002 | 580.45 | b | 354.50 | 373.00 | 95.00 | 29.00 | 0.00 | 0.00 | 0.00 | 2.50 | 204.50 | 383.50 | 719.00 | 2741.45 | ||||||||||||
2003 | 455.50 | 576.00 | 490.50 | 359.00 | 114.50 | 0.00 | 0.00 | 0.00 | 0.00 | 21.46 | e | 533.50 | 686.00 | 3236.46 | ||||||||||||
2004 | 653.50 | 685.50 | 253.50 | 221.00 | 32.50 | 2.50 | 0.00 | 0.00 | 16.50 | 205.00 | 527.50 | 653.50 | 3251.00 | |||||||||||||
2005 | 762.00 | 742.50 | 345.50 | m | 262.00 | 56.00 | h | 0.00 | f | 0.00 | 0.00 | 0.50 | 129.00 | 335.00 | 643.50 | 2874.50 | ||||||||||
2006 | 658.00 | 492.00 | 539.00 | 243.50 | 27.50 | 0.00 | 0.00 | 0.00 | 12.50 | 175.00 | 331.50 | 712.50 | 3191.50 | |||||||||||||
2007 | 722.00 | 526.30 | a | 345.50 | 183.75 | b | 35.50 | 4.50 | 0.00 | 0.00 | 24.00 | 111.00 | 290.50 | 768.50 | 3011.55 | |||||||||||
2008 | 763.50 | 589.00 | 437.00 | 254.00 | 147.77 | a | 1.00 | 0.00 | 0.00 | 0.00 | 102.00 | 322.00 | 742.00 | 3358.27 | ||||||||||||
2009 | 589.50 | 565.50 | 470.00 | 323.00 | 2.00 | 6.00 | 0.00 | 0.00 | 0.00 | 226.50 | 356.50 | 789.50 | 3328.50 | |||||||||||||
2010 | 654.00 | 586.50 | 543.00 | 365.50 | 177.00 | 9.00 | 0.00 | 0.00 | 1.00 | 162.00 | 477.00 | 568.00 | 3543.00 | |||||||||||||
2011 | 697.00 | 680.62 | b | 442.00 | 261.50 | 158.50 | 9.50 | 0.00 | a | 0.00 | 0.00 | 107.50 | 475.50 | 714.00 | 3546.12 | |||||||||||
2012 | 616.00 | 573.00 | 485.50 | 234.50 | 45.50 | 0.00 | 0.00 | 0.00 | 0.00 | 103.50 | 328.50 | 686.00 | 3072.50 | |||||||||||||
2013 | 770.00 | 656.50 | 364.77 | a | 13.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 31.00 | z | 1791.27 | |||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 609.30 | 483.42 | 392.44 | 202.71 | 56.35 | 3.71 | 0.01 | 0.10 | 2.45 | 90.30 | 339.91 | 567.99 | 2766.25 | |||||||||||||
S.D. | 100.87 | 114.56 | 109.14 | 85.57 | 48.17 | 5.68 | 0.06 | 0.62 | 5.90 | 59.48 | 98.31 | 105.43 | 340.27 | |||||||||||||
SKEW | 1.14 | -0.12 | 0.04 | 0.22 | 0.91 | 1.97 | 8.54 | 5.88 | 3.32 | 0.59 | 0.17 | 0.02 | 0.17 | |||||||||||||
MAX | 987.50 | 742.50 | 634.50 | 410.36 | 183.42 | 25.00 | 0.50 | 4.02 | 33.00 | 253.50 | 533.50 | 789.50 | 3546.12 | |||||||||||||
MIN | 442.50 | 221.93 | 110.50 | 50.17 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 153.00 | 317.75 | 1811.41 | |||||||||||||
NO YRS | 74 | 77 | 74 | 75 | 75 | 75 | 76 | 74 | 72 | 73 | 71 | 72 | 63 |