YEAR(S | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1949 | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 795.00 | 756.50 | 353.50 | 237.31 | b | 11.00 | 0.00 | 2153.31 | ||||||
1950 | 0.00 | 0.00 | 0.00 | 10.00 | 286.00 | 581.00 | 645.50 | 534.50 | 416.50 | 261.50 | 7.50 | 0.00 | a | 2742.50 | ||||||||||||
1951 | 0.00 | 0.00 | 2.50 | 62.50 | 457.50 | 508.50 | 715.07 | a | 579.00 | 346.00 | 173.50 | 0.00 | 6.50 | 2851.07 | ||||||||||||
1952 | 0.00 | 0.00 | 3.00 | 213.50 | 344.50 | 675.00 | 818.40 | a | 713.00 | 525.50 | 84.50 | 8.00 | 0.00 | 3385.40 | ||||||||||||
1953 | 0.00 | 0.00 | 6.00 | 28.00 | 365.00 | 656.50 | 611.00 | f | 685.50 | f | 481.50 | 353.50 | 86.50 | 0.00 | 1977.00 | |||||||||||
1954 | 0.00 | 0.00 | a | 0.00 | 124.50 | 250.50 | 708.50 | 759.00 | 664.50 | 416.38 | a | 199.50 | 28.00 | 0.00 | 3150.88 | |||||||||||
1955 | 0.00 | 0.00 | 14.50 | 263.57 | b | 573.00 | 722.00 | 1013.50 | 894.57 | c | 454.50 | 228.50 | 0.50 | 0.00 | 4164.64 | |||||||||||
1956 | 0.00 | 0.00 | 0.00 | 27.00 | 315.00 | 688.00 | 639.50 | 679.50 | 329.50 | 336.00 | 74.00 | 0.00 | 3088.50 | |||||||||||||
1957 | 0.00 | 0.00 | 0.00 | 188.50 | 305.50 | 551.90 | a | 784.50 | 699.05 | a | 361.50 | 159.50 | 13.50 | 0.00 | 3063.95 | |||||||||||
1958 | 0.00 | 0.50 | 0.00 | 119.50 | 329.50 | 464.00 | 733.50 | 702.50 | 471.50 | 216.50 | 30.50 | 0.00 | 3068.00 | |||||||||||||
1959 | 0.00 | a | 0.00 | 4.00 | 82.00 | 510.00 | 696.00 | 786.00 | 861.00 | 511.00 | 129.00 | 0.00 | 0.00 | 3579.00 | ||||||||||||
1960 | 0.00 | 0.00 | 2.00 | 132.50 | 390.50 | 568.50 | 746.00 | 789.50 | 510.00 | 244.00 | 12.50 | 4.00 | 3399.50 | |||||||||||||
1961 | 0.00 | 3.00 | 9.50 | 41.00 | 304.00 | 645.50 | 802.50 | 793.50 | 512.50 | 275.50 | 21.00 | 0.50 | 3408.50 | |||||||||||||
1962 | 0.00 | 0.00 | 11.00 | 92.50 | 534.50 | 616.50 | 705.00 | 738.00 | 383.00 | 280.50 | 9.00 | 14.00 | 3384.00 | |||||||||||||
1963 | 0.00 | 0.00 | a | 30.00 | 139.00 | 322.00 | 698.00 | 848.00 | 685.50 | 513.50 | 505.00 | 36.00 | 0.00 | 3777.00 | ||||||||||||
1964 | 0.00 | 0.00 | 0.00 | 159.00 | 531.00 | 641.50 | 865.00 | 634.00 | 456.00 | 223.00 | 103.50 | 0.00 | 3613.00 | |||||||||||||
1965 | 0.00 | 0.00 | 0.00 | 38.00 | 495.00 | 576.50 | 706.00 | 681.50 | 333.00 | 232.00 | 26.50 | 0.00 | 3088.50 | |||||||||||||
1966 | 0.00 | 0.00 | 24.00 | 43.50 | 267.50 | 704.00 | 916.50 | 677.50 | 482.00 | 179.00 | 2.50 | 0.00 | 3296.50 | |||||||||||||
1967 | 0.00 | 0.00 | 23.00 | 101.50 | 228.50 | 597.00 | 678.00 | 618.50 | 471.50 | 169.00 | 8.50 | 0.00 | 2895.50 | |||||||||||||
1968 | 0.00 | 0.00 | 65.00 | 145.00 | 318.00 | 614.00 | 759.00 | 747.50 | 504.00 | 281.50 | 7.00 | 0.00 | a | 3441.00 | ||||||||||||
1969 | 0.00 | 0.00 | 0.00 | 137.00 | 406.50 | 412.00 | 719.00 | 815.00 | 476.50 | 140.50 | 18.00 | 0.00 | 3124.50 | |||||||||||||
1970 | 0.00 | 0.00 | 0.00 | 163.50 | 351.00 | 679.50 | 859.00 | 769.00 | 505.50 | 262.50 | 8.50 | 0.00 | 3598.50 | |||||||||||||
1971 | 0.00 | 0.00 | 0.00 | 90.00 | 291.50 | 742.00 | 689.50 | 665.00 | 524.50 | 385.00 | 16.00 | 0.00 | 3403.50 | |||||||||||||
1972 | 0.00 | 0.00 | 0.00 | 59.00 | 509.50 | 538.00 | 704.50 | 731.00 | 416.50 | 149.00 | 4.00 | 0.00 | 3111.50 | |||||||||||||
1973 | 0.50 | 0.00 | 18.00 | 109.00 | 280.50 | 685.00 | 823.50 | 824.00 | 468.00 | 359.00 | 4.50 | 0.00 | 3572.00 | |||||||||||||
1974 | 0.00 | 0.00 | 3.50 | 149.50 | 288.50 | 545.50 | 866.00 | 708.50 | 324.00 | 186.50 | 37.50 | 0.00 | 3109.50 | |||||||||||||
1975 | 0.00 | 0.00 | 0.00 | 39.50 | 540.50 | 670.00 | 895.00 | 778.00 | 371.00 | 290.37 | a | 97.00 | 0.00 | 3681.37 | ||||||||||||
1976 | 0.00 | 4.50 | 23.00 | 165.50 | 340.50 | 752.59 | a | 838.00 | 820.50 | 466.00 | 146.00 | 1.00 | 0.00 | 3557.59 | ||||||||||||
1977 | 0.00 | 0.00 | 20.50 | 273.50 | 687.00 | 616.00 | 892.00 | 610.00 | 456.50 | 173.00 | 48.00 | 0.00 | 3776.50 | |||||||||||||
1978 | 0.00 | 0.00 | 0.00 | 54.00 | 497.00 | 627.50 | 748.00 | 796.00 | 595.50 | 187.00 | 58.00 | 0.00 | 3563.00 | |||||||||||||
1979 | 0.00 | 0.00 | 1.00 | 68.00 | 301.00 | 603.00 | 820.00 | 707.00 | 539.50 | 132.50 | 17.00 | 0.00 | 3189.00 | |||||||||||||
1980 | 0.00 | 0.00 | 0.50 | 167.50 | 519.00 | 592.00 | 839.00 | 799.36 | c | 445.50 | 97.50 | 13.50 | 0.00 | 3473.86 | ||||||||||||
1981 | 0.00 | 16.00 | 18.00 | 138.50 | 343.00 | 640.50 | 791.00 | 787.00 | 422.50 | 127.50 | 63.00 | 0.00 | 3347.00 | |||||||||||||
1982 | 0.00 | 0.00 | 0.00 | 75.50 | 567.00 | 450.00 | 841.00 | 674.50 | 453.50 | 243.50 | 21.00 | 11.00 | 3337.00 | |||||||||||||
1983 | 0.00 | 0.00 | 1.00 | 61.50 | 242.00 | 631.00 | 937.00 | 896.00 | 555.00 | 165.00 | 25.00 | 0.00 | 3513.50 | |||||||||||||
1984 | 0.00 | 7.50 | 0.00 | 121.00 | 325.50 | 701.50 | 767.50 | 849.50 | 418.50 | 284.50 | 16.50 | 0.00 | 3492.00 | |||||||||||||
1985 | 0.00 | 0.00 | 13.00 | 230.50 | 483.00 | 546.50 | 764.50 | 696.50 | 499.00 | 177.50 | 14.00 | 0.00 | 3424.50 | |||||||||||||
1986 | 0.00 | 0.00 | 51.50 | 220.71 | b | 520.50 | 598.50 | 848.00 | 663.00 | 477.00 | 168.50 | 4.50 | 0.00 | 3552.21 | ||||||||||||
1987 | 0.00 | 0.00 | 60.00 | 288.50 | 525.50 | 760.50 | 884.00 | 750.50 | 552.50 | 76.50 | 44.50 | 0.00 | 3942.50 | |||||||||||||
1988 | 0.00 | 0.00 | 1.50 | 126.00 | 557.00 | 751.50 | 902.00 | 843.00 | 510.50 | 114.50 | 1.00 | 0.00 | 3807.00 | |||||||||||||
1989 | 0.00 | 0.00 | 29.50 | 86.50 | 390.50 | 600.00 | 880.00 | 777.00 | 500.50 | 272.00 | 0.00 | 0.00 | 3536.00 | |||||||||||||
1990 | 0.00 | 0.00 | 47.00 | 285.50 | 332.00 | 680.00 | 756.50 | 764.00 | 523.00 | 149.00 | 0.00 | z | 0.00 | z | 3537.00 | |||||||||||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 0.01 | 0.77 | 11.77 | 124.91 | 400.63 | 627.71 | 799.54 | 735.95 | 460.33 | 215.62 | 24.35 | 0.88 | 3397.69 | |||||||||||||
S.D. | 0.08 | 2.82 | 17.43 | 74.81 | 116.14 | 82.95 | 83.29 | 83.25 | 67.29 | 88.30 | 27.13 | 2.93 | 301.29 | |||||||||||||
SKEW | 6.17 | 4.40 | 1.69 | 0.62 | 0.45 | -0.58 | 0.16 | -0.14 | -0.46 | 0.96 | 1.53 | 3.49 | 0.06 | |||||||||||||
MAX | 0.50 | 16.00 | 65.00 | 288.50 | 687.00 | 760.50 | 1013.50 | 896.00 | 595.50 | 505.00 | 103.50 | 14.00 | 4164.64 | |||||||||||||
MIN | 0.00 | 0.00 | 0.00 | 10.00 | 228.50 | 412.00 | 639.50 | 534.50 | 324.00 | 76.50 | 0.00 | 0.00 | 2742.50 | |||||||||||||
NO YRS | 41 | 41 | 41 | 41 | 41 | 41 | 41 | 41 | 42 | 42 | 41 | 41 | 39 |