YEAR(S | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
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 | 374.50 | i | 329.00 | 51.00 | 8.50 | 388.50 | ||||
1959 | 0.00 | 2.00 | 19.12 | a | 215.00 | 469.00 | 773.50 | 915.02 | a | 841.50 | 528.00 | 211.00 | 19.00 | 0.00 | 3993.13 | |||||||||||
1960 | 0.00 | 0.00 | 63.50 | 220.00 | 425.00 | 743.50 | 945.50 | 852.00 | 658.50 | 276.50 | 38.50 | 0.00 | 4223.00 | |||||||||||||
1961 | 0.00 | 7.00 | 42.50 | 152.00 | 476.50 | 803.50 | 957.50 | 954.00 | 415.50 | 239.50 | 2.50 | 2.00 | 4052.50 | |||||||||||||
1962 | 0.00 | 26.00 | 22.00 | 288.00 | 399.50 | 675.00 | 849.00 | 817.50 | 562.50 | 322.00 | 61.00 | 1.00 | 4023.50 | |||||||||||||
1963 | 0.00 | 4.00 | 59.50 | 210.50 | 572.50 | 676.00 | 991.00 | 832.50 | 668.00 | 421.00 | 57.50 | 0.00 | 4492.50 | |||||||||||||
1964 | 0.00 | 0.00 | 14.50 | 137.50 | 431.00 | 657.00 | 1002.00 | 789.50 | 556.00 | 351.00 | 24.50 | 0.00 | a | 3963.00 | ||||||||||||
1965 | 0.00 | 0.00 | 17.50 | 168.50 | 375.50 | 562.50 | 872.50 | 764.50 | 381.50 | 294.50 | 97.00 | 3.00 | 3537.00 | |||||||||||||
1966 | 0.00 | 0.00 | 85.00 | 218.50 | 545.00 | 698.00 | 979.60 | a | 853.50 | 613.50 | 214.50 | 47.50 | 8.50 | 4263.60 | ||||||||||||
1967 | 1.50 | 0.50 | 110.00 | 161.00 | 407.00 | 569.00 | 900.00 | 818.50 | 570.50 | 274.87 | a | 22.78 | c | 0.00 | 3835.64 | |||||||||||
1968 | 0.00 | 2.50 | 51.00 | 84.00 | 385.50 | 728.00 | 914.50 | 705.25 | a | 511.00 | 298.50 | 10.00 | 0.00 | 3690.25 | ||||||||||||
1969 | 0.00 | 5.00 | 40.50 | 288.00 | 596.00 | 618.50 | 938.50 | 932.00 | 631.03 | a | 115.00 | 14.00 | 1.50 | 4180.03 | ||||||||||||
1970 | 4.00 | 9.50 | 18.50 | 96.50 | 502.50 | 663.50 | 914.50 | 903.00 | 517.00 | 147.50 | 34.50 | 0.00 | 3811.00 | |||||||||||||
1971 | 0.00 | 1.50 | 98.00 | 217.50 | 422.50 | 755.00 | 948.00 | 938.00 | 443.00 | 271.00 | 2.00 | 14.00 | 4110.50 | |||||||||||||
1972 | 0.50 | 25.50 | 155.00 | 249.00 | 488.00 | 753.00 | 954.00 | 875.00 | 588.50 | 326.00 | 0.00 | 0.00 | 4414.50 | |||||||||||||
1973 | 0.00 | 1.50 | 11.50 | 141.50 | 446.40 | a | 642.00 | 914.00 | 857.00 | 516.50 | 288.50 | 66.00 | 3.00 | 3887.90 | ||||||||||||
1974 | 0.00 | 0.00 | 99.50 | 138.50 | 534.50 | 773.50 | 911.00 | 785.00 | 552.00 | 329.50 | 5.00 | 0.00 | 4128.50 | |||||||||||||
1975 | 0.00 | 0.00 | 34.00 | 143.00 | 356.00 | 581.50 | 902.50 | 777.00 | 543.00 | 254.50 | 44.00 | 0.00 | 3635.50 | |||||||||||||
1976 | 0.00 | 5.50 | 28.00 | 181.50 | 467.50 | 629.50 | 944.00 | 783.00 | 600.00 | 188.50 | 33.50 | 0.00 | 3861.00 | |||||||||||||
1977 | 0.00 | 2.50 | 15.00 | 299.50 | 504.50 | 874.50 | 963.50 | 848.50 | 619.50 | 310.00 | 40.50 | 3.00 | 4481.00 | |||||||||||||
1978 | 0.00 | 0.50 | 99.00 | 255.00 | 413.50 | 737.00 | 936.50 | 822.00 | 598.00 | 306.00 | 78.50 | 0.00 | 4246.00 | |||||||||||||
1979 | 0.00 | 0.00 | 10.00 | 203.79 | a | 426.50 | 694.50 | 936.00 | 802.50 | 675.00 | 358.50 | 2.00 | 0.00 | a | 4108.79 | |||||||||||
1980 | 1.50 | 6.00 | 5.50 | 204.00 | 394.73 | a | 715.00 | 955.00 | 824.00 | 611.50 | 264.02 | a | 76.50 | 8.50 | 4066.25 | |||||||||||
1981 | 0.00 | 6.50 | 14.00 | 309.00 | 455.50 | 804.00 | 951.00 | 849.50 | 663.00 | 239.00 | 55.86 | a | 0.00 | 4347.36 | ||||||||||||
1982 | 0.00 | 2.00 | 42.00 | 136.00 | 393.00 | 630.50 | 857.50 | 896.50 | 566.50 | 147.00 | 6.00 | 0.50 | 3677.50 | |||||||||||||
1983 | 0.00 | 2.50 | 50.00 | 107.50 | 327.00 | 600.50 | 853.00 | 910.50 | 655.50 | 291.00 | 64.50 | 0.00 | 3862.00 | |||||||||||||
1984 | 0.00 | 0.00 | 16.50 | 103.00 | 522.50 | 599.00 | 931.50 | 876.00 | 578.00 | 163.00 | 23.50 | 0.00 | 3813.00 | |||||||||||||
1985 | 0.00 | 0.00 | 38.50 | 252.50 | 453.50 | 744.50 | 903.00 | 842.00 | 443.00 | 221.00 | 15.50 | 0.00 | 3913.50 | |||||||||||||
1986 | 2.07 | a | 50.00 | 148.00 | 213.00 | 410.50 | 760.00 | 852.00 | 842.00 | 483.00 | 215.50 | 12.50 | 0.50 | 3989.07 | ||||||||||||
1987 | 0.00 | 1.50 | 27.50 | 252.50 | 485.50 | 753.00 | 869.50 | 773.50 | 568.50 | 363.00 | 57.50 | 1.00 | 4153.00 | |||||||||||||
1988 | 0.00 | 3.50 | 34.50 | 247.50 | 454.50 | 821.50 | 961.00 | 861.00 | 537.50 | 420.50 | 55.00 | 0.00 | 4396.50 | |||||||||||||
1989 | 0.00 | 6.50 | 159.00 | 353.50 | 584.35 | a | 703.00 | 982.00 | 813.00 | 617.00 | 252.00 | 20.00 | 0.00 | 4490.35 | ||||||||||||
1990 | 1.00 | 1.00 | 93.00 | 241.50 | 383.50 | 785.50 | 792.50 | 732.00 | 745.50 | 254.50 | 26.50 | 0.00 | 4056.50 | |||||||||||||
1991 | 0.00 | 2.00 | 38.50 | 148.00 | 477.50 | 703.50 | 899.00 | 879.00 | 572.00 | 330.00 | 12.50 | 0.00 | 4062.00 | |||||||||||||
1992 | 0.00 | 1.00 | 59.00 | 330.00 | 526.00 | 671.00 | 766.00 | 796.50 | 564.50 | 323.00 | 0.00 | 0.00 | 4037.00 | |||||||||||||
1993 | 0.00 | 1.00 | 65.50 | 162.50 | 472.50 | 619.00 | 820.00 | 771.00 | 517.00 | 240.00 | 4.00 | 0.00 | 3672.50 | |||||||||||||
1994 | 0.00 | 1.50 | 99.50 | 202.00 | 514.50 | 810.00 | 951.50 | 914.00 | 596.50 | 222.00 | 28.00 | 0.00 | 4339.50 | |||||||||||||
1995 | 0.00 | 32.50 | 97.50 | 141.00 | 318.00 | 575.00 | 814.00 | 920.50 | 588.00 | 219.50 | 41.50 | 8.00 | 3755.50 | |||||||||||||
1996 | 0.00 | 7.50 | 58.00 | 202.00 | 530.00 | 715.50 | 956.00 | 876.50 | 485.50 | 265.50 | 25.00 | 4.50 | 4126.00 | |||||||||||||
1997 | 0.00 | 1.00 | 117.50 | 140.00 | 487.50 | 721.00 | 874.00 | 848.50 | 625.50 | 252.50 | 26.00 | 0.00 | 4093.50 | |||||||||||||
1998 | 0.00 | 3.00 | 78.50 | 136.50 | 473.50 | 594.50 | 944.50 | 906.50 | 725.00 | 265.00 | 34.00 | 1.00 | 4162.00 | |||||||||||||
1999 | 0.00 | 10.50 | 103.50 | 154.00 | 381.50 | 661.50 | 896.00 | 810.50 | 514.50 | 307.00 | 95.50 | 1.50 | 3936.00 | |||||||||||||
2000 | 7.50 | 8.50 | 38.50 | 305.50 | 583.00 | 763.00 | 977.00 | 969.00 | 595.50 | 311.00 | 0.00 | 0.00 | 4558.50 | |||||||||||||
2001 | 0.00 | 4.00 | 83.00 | 248.50 | 521.00 | 752.50 | 949.50 | 885.00 | 644.50 | 296.50 | 0.00 | z | 0.00 | 4384.50 | ||||||||||||
2002 | 0.00 | 0.00 | 62.00 | 308.50 | 499.00 | 870.50 | 1058.50 | 913.50 | 604.00 | 189.00 | 3.50 | 0.00 | 4508.50 | |||||||||||||
2003 | 1.50 | 2.50 | 87.50 | 230.50 | 510.50 | 730.00 | 1099.50 | 981.00 | 619.50 | 460.50 | 30.00 | 5.50 | 4758.50 | |||||||||||||
2004 | 0.00 | 4.50 | 194.50 | 256.50 | 518.50 | 736.00 | 917.50 | 851.00 | 555.00 | 247.50 | 21.50 | 0.00 | 4302.50 | |||||||||||||
2005 | 0.00 | 0.00 | 25.50 | 200.50 | 0.00 | z | 596.50 | 935.50 | 777.00 | 575.00 | 305.00 | 74.00 | 1.50 | 3490.50 | ||||||||||||
2006 | 3.00 | 9.50 | 44.00 | 258.50 | 543.00 | 789.00 | 0.00 | z | 815.50 | 431.50 | 221.50 | 50.00 | 0.00 | 3165.50 | ||||||||||||
2007 | 0.00 | 6.50 | 178.00 | 265.50 | 504.00 | 750.50 | 1049.50 | 974.00 | 645.00 | 273.00 | 59.00 | 0.00 | 4705.00 | |||||||||||||
2008 | 0.00 | 1.00 | 34.00 | 135.00 | 395.50 | 702.00 | 962.00 | 899.50 | 598.50 | 293.50 | 44.50 | 0.00 | 4065.50 | |||||||||||||
2009 | 0.00 | 12.50 | 105.92 | a | 206.50 | 563.50 | 651.00 | 928.50 | 849.50 | 627.41 | a | 199.00 | 74.50 | 0.00 | 4218.33 | |||||||||||
2010 | 0.00 | 0.00 | 36.00 | 222.00 | 408.50 | 749.00 | 948.00 | 862.50 | 634.00 | 350.00 | 57.00 | 5.50 | 4272.50 | |||||||||||||
2011 | 0.00 | 0.00 | 61.50 | 158.00 | 378.00 | 700.00 | 941.00 | 949.00 | 654.00 | 272.00 | 11.50 | 0.00 | 4125.00 | |||||||||||||
2012 | 2.00 | 0.00 | 160.00 | 315.50 | 548.70 | a | 860.50 | 1003.00 | 962.00 | 652.00 | 300.50 | 69.50 | 7.50 | 4881.20 | ||||||||||||
2013 | 0.00 | 0.00 | 84.00 | 4.50 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 84.00 | ||||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 0.45 | 5.13 | 66.07 | 207.70 | 465.34 | 708.27 | 928.07 | 855.25 | 578.55 | 274.57 | 35.67 | 1.64 | 4123.20 | |||||||||||||
S.D. | 1.27 | 9.03 | 46.96 | 66.03 | 68.84 | 79.18 | 62.15 | 63.72 | 74.72 | 67.83 | 26.31 | 3.07 | 295.86 | |||||||||||||
SKEW | 3.87 | 3.20 | 0.91 | 0.18 | -0.08 | 0.01 | -0.09 | 0.05 | -0.46 | 0.19 | 0.44 | 2.15 | 0.37 | |||||||||||||
MAX | 7.50 | 50.00 | 194.50 | 353.50 | 596.00 | 874.50 | 1099.50 | 981.00 | 745.50 | 460.50 | 97.00 | 14.00 | 4881.20 | |||||||||||||
MIN | 0.00 | 0.00 | 5.50 | 84.00 | 318.00 | 562.50 | 766.00 | 705.25 | 381.50 | 115.00 | 0.00 | 0.00 | 3537.00 | |||||||||||||
NO YRS | 55 | 55 | 55 | 54 | 53 | 54 | 53 | 54 | 54 | 55 | 54 | 55 | 51 |