YEAR(S | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1940 | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | e | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | |
1941 | 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 | |
1942 | 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 | |
1943 | 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 | |
1944 | 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 | |
1945 | 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 | |
1946 | 1014.00 | 746.15 | a | 346.50 | j | 156.11 | c | 73.22 | b | 0.00 | 0.00 | d | 0.00 | 10.86 | a | 269.00 | g | 646.03 | a | 827.18 | a | 3473.56 | ||||
1947 | 1087.67 | b | 634.67 | a | 496.50 | 256.11 | c | 27.50 | n | 0.00 | d | 0.00 | l | 0.00 | e | 0.00 | e | 117.00 | h | 691.55 | a | 933.32 | c | 4099.82 | ||
1948 | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | g | 0.00 | a | 1.00 | f | 250.87 | d | 778.20 | e | 916.88 | e | 1945.95 | |
1949 | 1087.38 | e | 932.96 | c | 403.00 | g | 158.00 | f | 61.00 | 6.00 | 0.00 | a | 0.00 | 0.00 | d | 309.00 | 549.00 | 964.00 | 3909.34 | |||||||
1950 | 1008.50 | 657.50 | 467.21 | c | 228.00 | 112.50 | 13.27 | d | 0.00 | z | 0.00 | b | 4.50 | 46.50 | 589.44 | c | 775.00 | c | 3902.43 | |||||||
1951 | 1000.50 | 702.00 | 591.00 | 260.00 | 105.50 | 15.50 | 0.00 | a | 0.00 | 0.00 | o | 194.00 | h | 306.00 | q | 560.00 | o | 2674.50 | ||||||||
1952 | 1084.00 | 769.08 | d | 691.00 | 244.66 | a | 42.50 | 4.00 | l | 0.00 | 0.00 | c | 1.61 | b | 155.00 | 746.00 | 967.20 | a | 4701.04 | |||||||
1953 | 868.00 | 747.50 | 575.00 | 342.00 | 155.00 | 1.00 | 0.00 | 0.00 | 0.50 | 255.75 | a | 598.50 | 1005.95 | a | 4549.20 | |||||||||||
1954 | 918.50 | 563.50 | 556.50 | 133.00 | g | 32.50 | 8.00 | 0.00 | 0.00 | 3.21 | b | 195.50 | 548.50 | 982.00 | 3808.21 | |||||||||||
1955 | 998.50 | 922.00 | 614.50 | 360.50 | 93.00 | 15.50 | 0.00 | 0.00 | 9.00 | 190.00 | 676.50 | 846.50 | 4726.00 | |||||||||||||
1956 | 810.00 | 840.00 | 575.50 | 266.90 | a | 37.00 | 0.00 | 0.00 | b | 0.00 | 0.00 | 234.05 | a | 820.96 | d | 1010.17 | b | 4594.58 | ||||||||
1957 | 900.60 | b | 568.00 | 543.02 | a | 346.73 | d | 157.00 | 5.00 | 0.00 | 6.50 | 8.50 | 231.50 | 721.07 | b | 855.50 | 4343.42 | |||||||||
1958 | 926.00 | 579.19 | a | 641.00 | 317.50 | 30.00 | 0.00 | 0.00 | 0.00 | 17.00 | 235.00 | 659.00 | 893.32 | a | 4298.00 | |||||||||||
1959 | 978.57 | a | 757.00 | 619.40 | e | 233.50 | 49.82 | c | 0.00 | a | 0.00 | 0.00 | 35.69 | a | 259.00 | 703.93 | b | 911.50 | 4548.41 | |||||||
1960 | 1100.50 | 868.50 | 533.95 | b | 258.62 | a | 69.75 | a | 0.00 | a | 0.00 | 0.00 | 1.50 | 270.22 | a | 611.79 | b | 1004.83 | b | 4719.65 | ||||||
1961 | 1061.00 | 635.92 | b | 559.50 | 292.00 | 61.50 | 0.50 | 0.00 | 0.00 | 40.00 | 288.50 | 693.00 | 1359.50 | 4991.42 | ||||||||||||
1962 | 1228.50 | 679.00 | 760.53 | a | 208.50 | 136.18 | c | 4.00 | h | 0.00 | z | 0.00 | x | 4.00 | m | 184.28 | d | 523.97 | a | 890.00 | 4610.96 | |||||
1963 | 1100.00 | g | 655.41 | a | 622.67 | b | 352.50 | b | 29.97 | a | 1.61 | b | 0.00 | c | 0.00 | e | 0.00 | b | 86.05 | b | 546.92 | d | 1087.21 | c | 3382.34 | |
1964 | 1013.38 | b | 0.00 | z | 0.00 | z | 272.50 | f | 86.00 | f | 0.00 | f | 0.00 | e | 0.00 | e | 5.00 | h | 136.50 | h | 521.50 | i | 678.00 | j | 1013.38 | |
1965 | 596.00 | k | 621.00 | g | 486.00 | i | 256.50 | g | 129.00 | 2.59 | a | 0.00 | 0.00 | 66.00 | 212.00 | 521.00 | 883.00 | 1813.59 | ||||||||
1966 | 1061.00 | 883.00 | 576.00 | 273.50 | 26.00 | 0.00 | b | 0.00 | 0.00 | 0.50 | 276.50 | 572.50 | 1044.50 | 4713.50 | ||||||||||||
1967 | 1075.50 | 663.50 | 391.00 | 361.50 | 122.00 | 4.50 | 0.00 | 0.00 | 9.50 | 182.50 | 559.50 | 1089.65 | a | 4459.15 | ||||||||||||
1968 | 1220.50 | 602.50 | 514.00 | 356.00 | 105.63 | d | 13.00 | 0.00 | 1.60 | b | 33.50 | 220.50 | 659.00 | 1175.00 | 4901.23 | |||||||||||
1969 | 966.00 | 713.50 | 651.00 | 254.00 | 46.50 | 2.00 | 0.00 | 0.00 | 2.50 | 0.00 | z | 0.00 | z | 211.50 | x | 2635.50 | ||||||||||
1970 | 1015.80 | c | 606.00 | 614.50 | 455.00 | 54.00 | 5.00 | 0.00 | 0.00 | 84.50 | 364.00 | 636.00 | 989.50 | 4824.30 | ||||||||||||
1971 | 988.50 | 736.00 | 591.00 | 281.50 | 112.08 | e | 0.00 | 0.00 | 0.00 | h | 66.50 | 327.00 | 710.00 | 1173.00 | 4985.58 | |||||||||||
1972 | 1000.00 | 735.00 | 97.50 | y | 217.50 | b | 80.60 | a | 0.00 | b | 0.00 | b | 0.00 | 4.50 | 239.50 | 713.00 | 1094.50 | 4084.60 | ||||||||
1973 | 1375.00 | 808.37 | a | 675.50 | 392.00 | 99.20 | a | 11.50 | 0.00 | 3.00 | 68.00 | f | 311.07 | b | 552.69 | d | 929.47 | b | 5157.80 | |||||||
1974 | 1227.00 | 936.96 | a | 452.50 | 369.50 | 40.50 | 5.69 | a | 0.00 | 0.00 | 34.00 | 236.24 | b | 634.00 | 1012.50 | 4948.89 | ||||||||||
1975 | 1097.50 | 782.50 | 626.00 | 448.00 | 182.50 | 12.00 | 0.00 | 0.00 | 14.50 | 308.50 | 705.00 | 963.67 | b | 5140.17 | ||||||||||||
1976 | 1044.00 | 673.00 | 664.95 | a | 331.00 | 53.73 | a | 9.50 | 0.00 | 0.00 | c | 32.50 | 325.50 | 643.00 | 1066.00 | 4843.18 | ||||||||||
1977 | 1289.50 | 710.50 | 743.50 | 288.00 | 115.50 | 0.00 | 0.00 | a | 0.00 | 0.00 | i | 279.00 | 658.00 | 832.00 | 4916.00 | |||||||||||
1978 | 860.50 | 710.50 | 473.55 | b | 291.50 | 165.50 | 0.00 | 0.00 | 0.00 | 69.00 | 209.00 | 606.00 | 1255.50 | 4641.05 | ||||||||||||
1979 | 1191.50 | 910.00 | 632.50 | 307.00 | 108.00 | 17.50 | 0.00 | 0.00 | 1.00 | 215.50 | 787.00 | 964.50 | 5134.50 | |||||||||||||
1980 | 863.00 | 669.00 | 655.00 | 371.00 | 145.50 | 5.50 | 0.00 | 0.00 | 12.86 | b | 366.00 | 649.50 | 792.50 | 4529.86 | ||||||||||||
1981 | 850.00 | 707.00 | 588.50 | 186.00 | 89.00 | 6.00 | 0.00 | a | 0.00 | 1.50 | 288.00 | 592.00 | 878.50 | 4186.50 | ||||||||||||
1982 | 963.50 | 875.00 | 571.00 | 333.50 | 83.00 | 0.50 | 0.00 | 0.00 | 37.00 | 421.00 | 687.50 | 863.00 | 4835.00 | |||||||||||||
1983 | 924.00 | 625.50 | 541.50 | 429.50 | 169.00 | 7.00 | 0.00 | 0.00 | 23.50 | 202.50 | 598.00 | 903.50 | 4424.00 | |||||||||||||
1984 | 998.50 | 835.50 | 631.00 | 425.50 | 72.50 | 10.50 | 0.00 | 0.00 | 29.00 | 400.50 | 664.00 | 860.00 | 4927.00 | |||||||||||||
1985 | 928.00 | 828.50 | 562.50 | 232.00 | 48.00 | 1.50 | 0.00 | 0.00 | 60.00 | 229.00 | 633.50 | 866.00 | 4389.00 | |||||||||||||
1986 | 852.00 | 587.00 | 422.00 | 279.31 | a | 79.50 | 0.00 | 0.00 | 0.00 | 65.00 | 305.00 | 610.50 | 879.50 | 4079.81 | ||||||||||||
1987 | 1037.50 | 724.00 | 646.50 | 290.00 | 51.50 | 0.00 | 0.00 | 0.00 | 19.50 | 185.00 | 669.00 | 1007.00 | 4630.00 | |||||||||||||
1988 | 1119.50 | 741.50 | 629.00 | 381.00 | 141.50 | 14.00 | 0.00 | 0.00 | 71.00 | 153.50 | 654.00 | 1018.00 | 4923.00 | |||||||||||||
1989 | 1176.00 | 822.00 | 510.50 | 192.00 | 81.00 | 6.00 | 0.00 | 0.00 | 21.50 | 270.50 | 620.50 | 973.00 | 4673.00 | |||||||||||||
1990 | 1053.00 | 704.00 | 484.50 | 210.00 | 72.00 | 5.00 | 0.00 | 0.00 | 11.00 | 252.50 | 634.00 | 1294.00 | 4720.00 | |||||||||||||
1991 | 1264.50 | 794.50 | 639.50 | 324.00 | 108.00 | 14.00 | 0.00 | 0.00 | 3.00 | 162.50 | 652.00 | 1010.50 | 4972.50 | |||||||||||||
1992 | 1013.50 | 696.50 | 490.50 | 134.50 | 32.00 | 0.00 | 0.00 | 0.00 | 6.50 | 133.00 | 755.50 | 1357.50 | 4619.50 | |||||||||||||
1993 | 866.50 | 661.00 | 499.00 | 323.50 | 98.50 | 19.50 | 0.00 | 0.00 | 26.00 | 281.00 | 738.00 | 968.00 | 4481.00 | |||||||||||||
1994 | 921.50 | 777.00 | 464.00 | 278.50 | 37.50 | 0.00 | 0.00 | 0.00 | 1.00 | 288.50 | 713.50 | 873.00 | 4354.50 | |||||||||||||
1995 | 853.50 | 532.00 | 486.50 | 378.50 | 152.00 | 15.00 | 0.00 | 0.00 | 22.50 | 269.50 | 564.00 | 896.50 | 4170.00 | |||||||||||||
1996 | 941.50 | 625.00 | 584.50 | 338.00 | 34.50 | 0.00 | 0.00 | 0.00 | 73.00 | 296.00 | 657.00 | 931.00 | 4480.50 | |||||||||||||
1997 | 1018.00 | 751.50 | 500.50 | 363.50 | 45.50 | 4.00 | 0.00 | 0.00 | 0.00 | 295.50 | 627.00 | 979.00 | 4584.50 | |||||||||||||
1998 | 887.50 | 700.50 | 588.50 | 382.50 | 73.50 | 5.00 | 0.00 | 0.00 | 1.00 | 258.50 | 623.00 | 934.00 | 4454.00 | |||||||||||||
1999 | 845.50 | 678.00 | 425.00 | 383.00 | 103.00 | 16.00 | 0.00 | 0.00 | 29.00 | 229.50 | 572.00 | 971.85 | a | 4252.85 | ||||||||||||
2000 | 862.00 | 650.00 | 577.50 | 175.50 | 40.00 | 0.00 | 0.00 | 0.00 | 30.00 | 251.10 | a | 787.00 | 887.00 | 4260.10 | ||||||||||||
2001 | 956.00 | 721.00 | 493.00 | 282.00 | 75.50 | 11.50 | 0.00 | 0.00 | 5.50 | 205.00 | 725.50 | 1220.50 | 4695.50 | |||||||||||||
2002 | 1169.00 | 997.50 | 862.50 | 190.50 | 66.00 | 0.00 | 0.00 | 0.00 | 4.50 | 249.50 | 601.50 | 895.50 | 5036.50 | |||||||||||||
2003 | 735.00 | 684.50 | 523.00 | 284.00 | 81.50 | 0.00 | 0.00 | 0.00 | 9.00 | 107.50 | 611.50 | 894.50 | 3930.50 | |||||||||||||
2004 | 957.00 | 810.50 | 346.50 | 0.00 | z | 39.50 | 0.00 | 0.00 | 0.00 | 46.50 | 204.50 | 615.00 | 909.50 | 3929.00 | ||||||||||||
2005 | 726.50 | 0.00 | z | 541.50 | 317.50 | 87.50 | 12.00 | 0.00 | 0.00 | 4.50 | 183.00 | 577.50 | 961.50 | 3411.50 | ||||||||||||
2006 | 901.50 | 710.50 | 566.00 | 231.50 | 16.50 | 0.00 | 0.00 | 0.00 | 75.00 | 314.50 | 589.50 | 950.50 | 4355.50 | |||||||||||||
2007 | 1070.00 | 678.00 | 458.50 | 233.00 | 75.00 | 7.50 | 0.00 | 0.00 | 20.00 | 248.50 | 577.50 | 1001.50 | 4369.50 | |||||||||||||
2008 | 1078.00 | 735.00 | 548.00 | 357.50 | 128.00 | 8.00 | 0.00 | 0.00 | 0.00 | 226.30 | a | 559.50 | 910.00 | 4550.30 | ||||||||||||
2009 | 820.00 | 692.00 | 525.50 | 349.50 | 4.50 | 0.00 | 0.00 | 0.00 | c | 11.50 | 347.50 | 619.00 | 1117.00 | 4486.50 | ||||||||||||
2010 | 1190.00 | 738.50 | 582.50 | 309.50 | 135.88 | a | 1.50 | 0.00 | 0.00 | 2.50 | 210.50 | 732.00 | 802.00 | 4704.88 | ||||||||||||
2011 | 1040.05 | a | 817.50 | 544.10 | b | 320.50 | 133.00 | 0.00 | 0.00 | d | 0.00 | n | 0.52 | a | 253.50 | 663.62 | a | 992.00 | 4764.79 | |||||||
2012 | 915.50 | 734.00 | 460.50 | 233.00 | 16.50 | 0.00 | 0.00 | 0.00 | 4.00 | 182.50 | 568.50 | 943.50 | 4058.00 | |||||||||||||
2013 | 1123.00 | 794.00 | 499.50 | 5.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 39.00 | z | 2416.50 | ||||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 1006.44 | 731.68 | 562.93 | 299.50 | 82.87 | 5.07 | 0.00 | 0.17 | 20.95 | 244.67 | 643.80 | 975.69 | 4585.33 | |||||||||||||
S.D. | 134.37 | 99.61 | 90.15 | 73.25 | 43.50 | 5.79 | 0.00 | 0.91 | 24.01 | 70.21 | 69.80 | 127.23 | 288.55 | |||||||||||||
SKEW | 0.37 | 0.46 | 0.45 | -0.05 | 0.37 | 0.83 | 0.00 | 5.96 | 1.18 | -0.12 | 0.44 | 1.26 | -0.08 | |||||||||||||
MAX | 1375.00 | 997.50 | 862.50 | 455.00 | 182.50 | 19.50 | 0.00 | 6.50 | 84.50 | 421.00 | 820.96 | 1359.50 | 5140.17 | |||||||||||||
MIN | 726.50 | 532.00 | 346.50 | 134.50 | 4.50 | 0.00 | 0.00 | 0.00 | 0.00 | 46.50 | 521.00 | 775.00 | 3930.50 | |||||||||||||
NO YRS | 65 | 64 | 62 | 61 | 64 | 63 | 64 | 64 | 61 | 62 | 64 | 64 | 47 |