YEAR(S | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1948 | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 893.83 | a | 879.37 | a | 700.00 | 220.00 | 9.00 | 0.00 | 2702.20 | |||||
1949 | 0.00 | 0.00 | 0.00 | 235.00 | 464.50 | 699.50 | 886.00 | 979.08 | a | 457.50 | 170.50 | 38.00 | 0.00 | 3930.08 | ||||||||||||
1950 | 0.00 | 0.00 | 0.00 | 26.50 | 317.50 | 644.00 | 794.50 | 725.50 | 533.00 | 201.50 | 7.50 | 0.00 | 3250.00 | |||||||||||||
1951 | 0.00 | 0.00 | a | 0.00 | 89.50 | 522.50 | 554.50 | 874.00 | 731.00 | 389.50 | 158.00 | 0.00 | 0.00 | 3319.00 | ||||||||||||
1952 | 0.00 | 0.00 | 1.50 | 335.50 | 452.60 | a | 735.50 | 861.50 | 826.50 | 593.50 | 145.00 | 19.50 | 0.00 | 3971.10 | ||||||||||||
1953 | 0.00 | 0.00 | 3.50 | 43.00 | 402.00 | 680.50 | 863.50 | 948.50 | 499.50 | 387.50 | 55.50 | 0.00 | 3883.50 | |||||||||||||
1954 | 0.00 | 0.00 | 0.00 | 89.50 | 304.50 | 642.00 | 913.00 | 773.50 | 419.00 | 169.50 | 22.00 | 0.00 | 3333.00 | |||||||||||||
1955 | 0.00 | 0.00 | 9.00 | 257.00 | 496.00 | 667.50 | 969.00 | 928.50 | 456.00 | 218.00 | 2.00 | 0.00 | 4003.00 | |||||||||||||
1956 | 0.00 | 0.00 | 0.00 | 7.50 | 363.73 | a | 837.00 | 800.50 | 802.50 | 377.50 | 263.50 | 9.00 | 0.00 | 3461.23 | ||||||||||||
1957 | 0.00 | 0.00 | 8.50 | 160.50 | 439.00 | 593.50 | 1022.00 | 804.00 | 406.50 | 193.50 | 0.00 | 0.00 | 3627.50 | |||||||||||||
1958 | 0.00 | 8.00 | 10.50 | 144.50 | 503.50 | 550.50 | 786.00 | 840.00 | 504.50 | 210.50 | 20.00 | 0.00 | 3578.00 | |||||||||||||
1959 | 0.00 | 0.00 | 14.50 | 110.50 | 323.00 | 764.00 | 926.50 | 910.00 | 440.50 | 63.50 | 0.00 | 0.00 | 3552.50 | |||||||||||||
1960 | 0.00 | 0.00 | 0.00 | 78.00 | 455.50 | 648.00 | 952.50 | 876.50 | 560.00 | 216.00 | 3.00 | 0.00 | 3789.50 | |||||||||||||
1961 | 0.00 | 0.00 | 7.00 | 52.00 | 374.50 | 856.00 | 883.50 | 1009.00 | 394.00 | 208.00 | 18.50 | 0.00 | 3802.50 | |||||||||||||
1962 | 0.00 | 0.00 | 0.50 | 135.00 | 350.50 | 720.50 | 786.50 | 858.50 | 420.00 | 273.50 | 10.50 | 0.00 | 3555.50 | |||||||||||||
1963 | 0.00 | 0.00 | 60.00 | 120.00 | 368.00 | 786.00 | 0.00 | z | 882.00 | 604.00 | 467.00 | 10.00 | 0.00 | 3297.00 | ||||||||||||
1964 | 0.00 | 0.00 | 0.00 | 144.50 | 483.00 | 635.50 | 949.00 | 700.50 | 380.50 | 207.50 | 38.00 | 0.00 | 3538.50 | |||||||||||||
1965 | 0.00 | 0.00 | 0.00 | 94.50 | 419.00 | 671.50 | 840.50 | 796.50 | 213.00 | 239.00 | 13.00 | 0.00 | 3287.00 | |||||||||||||
1966 | 0.00 | 0.00 | 18.50 | 48.00 | 360.00 | 721.00 | 972.50 | 775.00 | 554.50 | 195.50 | 0.00 | 0.00 | 3645.00 | |||||||||||||
1967 | 0.00 | 0.00 | 29.00 | 57.50 | 365.00 | 679.50 | 892.50 | 855.00 | 613.50 | 157.00 | 12.50 | 0.00 | 3661.50 | |||||||||||||
1968 | 0.00 | 0.00 | 46.00 | 153.50 | 341.00 | 662.50 | 864.50 | 749.50 | 517.50 | 166.00 | 5.00 | 0.00 | 3505.50 | |||||||||||||
1969 | 0.00 | 0.00 | 0.00 | 195.50 | 471.00 | 519.50 | 872.50 | 1007.00 | 568.50 | 83.50 | 13.00 | 2.50 | 3733.00 | |||||||||||||
1970 | 0.00 | 0.00 | 0.00 | 59.00 | 369.00 | 856.50 | 953.50 | 885.50 | 546.00 | 196.00 | 1.00 | 0.00 | 3866.50 | |||||||||||||
1971 | 0.00 | 0.00 | 0.00 | 170.00 | 439.00 | 751.00 | 774.00 | 893.00 | 491.00 | 228.00 | 0.00 | 0.00 | 3746.00 | |||||||||||||
1972 | 0.00 | 0.00 | 0.50 | 97.00 | 579.50 | 772.00 | 784.00 | 907.00 | 413.00 | 139.00 | 0.00 | 0.00 | 3692.00 | |||||||||||||
1973 | 0.00 | 0.00 | 12.50 | 91.00 | 0.00 | z | 737.50 | 865.50 | 957.50 | 467.00 | 0.00 | z | 1.50 | 0.00 | 3132.50 | |||||||||||
1974 | 0.00 | 0.00 | 0.00 | 125.50 | 300.00 | 764.00 | 1026.00 | 738.00 | 407.50 | 227.50 | 3.50 | 0.00 | 3592.00 | |||||||||||||
1975 | 0.00 | 0.00 | 2.00 | 31.50 | 460.50 | 711.50 | 1039.00 | 795.00 | 431.50 | 223.50 | 98.89 | c | 0.00 | a | 3793.39 | |||||||||||
1976 | 0.00 | 0.00 | 2.50 | 153.00 | 473.00 | 797.50 | 902.00 | 923.50 | 555.50 | 151.50 | 8.04 | b | 0.00 | a | 3966.54 | |||||||||||
1977 | 0.00 | 0.00 | 30.50 | 259.50 | 757.50 | 745.50 | 926.50 | 659.50 | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 3379.00 | |||||||||
1978 | 0.00 | 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 | |
1979 | 0.00 | z | 0.00 | z | 0.00 | d | 8.33 | c | 274.00 | 711.50 | 966.50 | 770.41 | d | 0.00 | z | 169.93 | d | 3.50 | 0.00 | e | 2904.17 | |||||
1980 | 0.00 | e | 0.00 | a | 0.00 | c | 272.59 | a | 667.03 | b | 729.83 | a | 926.50 | 737.36 | c | 463.00 | 0.00 | z | 43.97 | a | 0.00 | i | 3840.27 | |||
1981 | 0.00 | d | 0.58 | d | 15.00 | 170.17 | a | 413.00 | 624.50 | 880.00 | 895.00 | 499.50 | 189.74 | b | 77.50 | 0.00 | c | 3765.00 | ||||||||
1982 | 0.00 | b | 0.00 | b | 1.00 | 126.50 | 466.00 | 565.00 | 921.00 | 773.50 | 502.00 | 154.00 | 0.50 | 0.00 | a | 3509.50 | ||||||||||
1983 | 0.00 | d | 0.00 | a | 0.00 | 65.00 | 316.00 | 702.00 | 1007.50 | 1026.00 | 469.00 | 127.00 | 14.50 | 0.00 | a | 3727.00 | ||||||||||
1984 | 0.00 | 0.00 | 0.00 | a | 137.50 | 394.00 | 714.50 | 920.50 | 975.00 | 360.00 | 229.50 | 5.00 | 0.00 | 3736.00 | ||||||||||||
1985 | 0.00 | c | 0.00 | 16.00 | 215.50 | 573.00 | 551.00 | 879.50 | 708.50 | 374.00 | 150.00 | 8.50 | 0.00 | b | 3476.00 | |||||||||||
1986 | 0.00 | z | 0.00 | a | 49.00 | 113.00 | 506.00 | 764.50 | 897.00 | 782.00 | 439.50 | 199.50 | 0.50 | 0.00 | 3751.00 | |||||||||||
1987 | 0.00 | 0.00 | 0.00 | 314.50 | 577.00 | 838.00 | 916.50 | 788.50 | 557.00 | 123.50 | 42.50 | 0.00 | 4157.50 | |||||||||||||
1988 | 0.00 | e | 0.00 | a | 0.00 | a | 190.86 | a | 666.50 | 991.50 | 1005.43 | a | 909.00 | 481.00 | 195.50 | 6.00 | 0.00 | b | 4445.80 | |||||||
1989 | 0.00 | c | 0.00 | c | 0.00 | 134.00 | 549.50 | 707.07 | a | 1042.50 | 886.00 | 534.00 | 225.50 | 8.00 | 0.00 | c | 4086.57 | |||||||||
1990 | 0.00 | 0.00 | a | 15.00 | 179.00 | 413.50 | 763.00 | 889.50 | 926.50 | 614.50 | 173.50 | 12.50 | 0.00 | 3987.00 | ||||||||||||
1991 | 0.00 | 4.00 | 9.00 | 194.50 | 610.50 | 816.00 | 894.50 | 923.50 | 512.50 | 152.50 | 0.00 | 0.00 | 4117.00 | |||||||||||||
1992 | 0.00 | 0.00 | 7.50 | 126.00 | 568.00 | 664.50 | 682.50 | 735.00 | 419.00 | 180.00 | 0.00 | 0.00 | 3382.50 | |||||||||||||
1993 | 0.00 | 0.00 | 0.50 | 66.00 | 411.50 | 575.50 | 717.50 | 793.50 | 379.00 | 138.50 | 0.00 | a | 0.00 | 3082.00 | ||||||||||||
1994 | 0.00 | b | 0.00 | 0.50 | 113.00 | 504.50 | 732.00 | 774.50 | 756.00 | 592.00 | 237.00 | 3.00 | 0.00 | a | 3712.50 | |||||||||||
1995 | 0.00 | 0.00 | a | 0.50 | 31.03 | a | 348.00 | 835.00 | 845.00 | 887.50 | 505.50 | 133.00 | 0.00 | 0.00 | 3585.53 | |||||||||||
1996 | 0.00 | 0.00 | 0.00 | 35.17 | a | 360.00 | 764.00 | 829.50 | 908.00 | 517.00 | 170.50 | 0.50 | 0.00 | a | 3584.67 | |||||||||||
1997 | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 649.00 | 0.00 | z | 0.00 | 0.00 | a | 649.00 | |||
1998 | 0.00 | 0.00 | 16.00 | 268.50 | 566.50 | 616.50 | 944.00 | 982.50 | 677.00 | 202.00 | 0.50 | 0.00 | 4273.50 | |||||||||||||
1999 | 0.00 | 0.00 | 8.00 | 166.00 | 474.00 | 708.50 | 922.50 | 829.50 | 460.50 | 171.50 | 58.50 | 0.50 | 3799.50 | |||||||||||||
2000 | 0.00 | 8.00 | 50.50 | 166.00 | 513.00 | 626.00 | 927.50 | 0.00 | z | 506.00 | 243.00 | 12.50 | 0.00 | 3052.50 | ||||||||||||
2001 | 0.00 | 0.00 | 0.00 | 166.50 | 526.50 | 698.50 | 942.50 | 962.50 | 569.50 | 139.50 | 69.50 | 0.00 | 4075.00 | |||||||||||||
2002 | 0.50 | 0.00 | 0.00 | 122.00 | 317.50 | 797.00 | 1002.50 | 824.50 | 594.00 | 49.08 | a | 0.00 | 0.00 | 3707.08 | ||||||||||||
2003 | 0.00 | 0.00 | 15.50 | 215.50 | 439.00 | 735.00 | 914.00 | 969.50 | 501.00 | 309.00 | 0.00 | 0.00 | 4098.50 | |||||||||||||
2004 | 0.00 | 0.00 | 2.50 | 111.50 | 320.00 | 613.00 | 854.00 | 0.00 | z | 594.50 | 186.00 | 32.00 | 0.00 | a | 2713.50 | |||||||||||
2005 | 0.00 | 0.00 | 2.50 | 245.00 | 409.00 | 774.50 | 913.50 | 826.00 | 623.50 | 221.00 | 22.50 | 0.00 | 4037.50 | |||||||||||||
2006 | 0.00 | 0.00 | 0.00 | 274.00 | 525.50 | 795.50 | 1042.50 | 902.50 | 519.50 | 145.50 | 12.00 | 0.00 | 4217.00 | |||||||||||||
2007 | 0.00 | 0.00 | z | 23.00 | 226.50 | 486.00 | 805.00 | 1018.00 | 773.50 | 550.50 | 217.50 | 20.50 | 0.00 | 4120.50 | ||||||||||||
2008 | 0.00 | 0.00 | 0.00 | 91.50 | 343.50 | 660.50 | 882.50 | 891.50 | 518.00 | 179.00 | 0.00 | z | 0.00 | z | 3566.50 | |||||||||||
2009 | 0.00 | 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 | |
2010 | 0.00 | 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 | |
2011 | 0.00 | f | 0.00 | 0.00 | 69.00 | 343.50 | 655.50 | 955.50 | 860.50 | 566.50 | 288.50 | 19.00 | 0.00 | 3758.00 | ||||||||||||
2012 | 0.00 | 0.00 | a | 122.00 | 163.50 | 486.00 | 764.50 | 1052.50 | 851.50 | 543.50 | 116.00 | 0.00 | a | 0.00 | z | 4099.50 | ||||||||||
2013 | 0.00 | b | 0.00 | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | ||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 0.01 | 0.35 | 10.18 | 139.04 | 446.15 | 711.72 | 904.04 | 852.07 | 500.09 | 193.04 | 14.87 | 0.05 | 3742.62 | |||||||||||||
S.D. | 0.07 | 1.54 | 20.21 | 78.40 | 102.94 | 90.20 | 81.22 | 88.06 | 89.10 | 67.32 | 21.12 | 0.33 | 289.51 | |||||||||||||
SKEW | 7.42 | 4.51 | 3.47 | 0.45 | 0.63 | 0.18 | -0.32 | -0.03 | -0.32 | 1.33 | 2.09 | 7.03 | 0.13 | |||||||||||||
MAX | 0.50 | 8.00 | 122.00 | 335.50 | 757.50 | 991.50 | 1052.50 | 1026.00 | 700.00 | 467.00 | 98.89 | 2.50 | 4445.80 | |||||||||||||
MIN | 0.00 | 0.00 | 0.00 | 7.50 | 274.00 | 519.50 | 682.50 | 659.50 | 213.00 | 49.08 | 0.00 | 0.00 | 3082.00 | |||||||||||||
NO YRS | 58 | 59 | 60 | 60 | 59 | 60 | 60 | 59 | 60 | 58 | 60 | 58 | 48 |