YEAR(S | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1950 | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 38.00 | 246.00 | 291.00 | 695.00 | 872.50 | 2142.50 | ||||||
1951 | 1041.00 | 866.50 | 799.50 | 584.50 | 361.00 | 180.50 | 1.50 | 44.95 | a | 144.00 | 321.00 | 803.50 | 1062.50 | 6210.45 | ||||||||||||
1952 | 985.50 | 754.50 | f | 954.44 | e | 543.50 | 275.50 | 47.00 | 20.00 | 40.30 | a | 136.00 | 377.88 | b | 929.48 | a | 1118.50 | 5428.10 | ||||||||
1953 | 697.50 | g | 896.00 | a | 768.28 | a | 526.00 | 436.21 | c | 117.69 | d | 7.50 | 37.00 | 120.50 | 416.00 | 662.50 | 1083.50 | 5071.19 | ||||||||
1954 | 948.00 | 685.50 | 779.98 | c | 454.50 | 277.50 | 102.50 | 0.50 | 27.00 | 103.00 | 403.00 | 689.00 | 1010.50 | 5480.98 | ||||||||||||
1955 | 1193.50 | e | 1099.00 | b | 856.93 | c | 708.21 | b | 464.45 | c | 204.50 | 68.72 | a | 50.12 | a | 206.67 | c | 405.21 | c | 657.00 | f | 871.74 | b | 6129.04 | ||
1956 | 915.69 | e | 1083.00 | 817.22 | b | 691.61 | b | 336.00 | 36.11 | c | 35.43 | c | 81.63 | a | 50.77 | d | 364.00 | f | 619.00 | k | 1062.04 | d | 5109.50 | |||
1957 | 958.93 | a | 691.04 | c | 398.50 | o | 628.27 | d | 505.30 | a | 97.50 | 13.43 | a | 43.40 | a | 138.89 | c | 524.86 | b | 926.11 | c | 933.10 | a | 5460.84 | ||
1958 | 1110.66 | b | 757.04 | a | 943.50 | 598.45 | a | 260.50 | 61.50 | 8.50 | 5.50 | 196.50 | 449.50 | 814.00 | 862.83 | d | 6068.47 | |||||||||
1959 | 974.50 | 827.56 | a | 710.00 | 460.50 | 366.50 | 43.50 | 0.00 | 28.50 | 181.00 | 508.50 | 807.50 | 1006.00 | 5914.06 | ||||||||||||
1960 | 1220.00 | 1014.00 | 690.50 | 517.50 | 399.00 | 53.50 | 0.50 | 23.00 | 131.00 | 538.00 | 771.00 | 1155.00 | 6513.00 | |||||||||||||
1961 | 1060.00 | 827.50 | 804.50 | 585.60 | e | 378.72 | a | 60.00 | 3.00 | 22.50 | 200.69 | a | 508.18 | c | 786.96 | b | 1097.50 | 6335.15 | ||||||||
1962 | 1111.00 | 846.00 | 965.00 | 487.50 | 406.00 | 161.50 | 6.00 | 34.00 | 141.00 | 477.50 | 668.00 | 985.00 | 6288.50 | |||||||||||||
1963 | 1175.93 | a | 719.50 | 867.00 | 652.50 | 292.50 | 171.50 | 12.40 | a | 31.00 | 85.00 | 366.50 | 729.00 | 1073.00 | 6175.83 | |||||||||||
1964 | 1146.00 | 1042.50 | 947.50 | 679.00 | 391.00 | 160.50 | 15.50 | 27.50 | 213.50 | 428.00 | 924.00 | 990.00 | 6965.00 | |||||||||||||
1965 | 978.50 | 934.50 | 930.00 | 638.00 | 455.00 | 212.14 | b | 8.50 | 39.00 | 259.00 | 532.50 | 745.00 | 999.00 | 6731.14 | ||||||||||||
1966 | 1209.00 | 992.50 | 820.00 | 554.00 | 284.00 | 107.50 | 1.50 | 22.00 | 135.50 | 501.50 | 669.00 | 1091.41 | b | 6387.91 | ||||||||||||
1967 | 1160.00 | 830.50 | 662.00 | 646.50 | 409.50 | 168.00 | 2.50 | 9.00 | 118.50 | 404.00 | 651.00 | 1212.00 | 6273.50 | |||||||||||||
1968 | 1130.00 | 775.50 | 787.00 | 601.73 | d | 391.50 | 121.50 | 49.00 | 74.50 | 169.50 | 433.50 | 788.50 | 1105.50 | 6427.73 | ||||||||||||
1969 | 879.00 | 895.00 | 941.50 | 545.50 | 352.00 | 117.93 | a | 13.00 | 2.00 | 95.00 | 521.00 | 819.00 | 885.50 | 6066.43 | ||||||||||||
1970 | 1077.50 | 739.00 | 858.50 | 728.00 | 301.50 | 124.50 | 2.00 | 3.50 | 206.50 | 575.50 | 693.00 | 956.00 | 6265.50 | |||||||||||||
1971 | 1008.00 | 852.50 | 734.00 | 586.00 | 407.00 | 139.50 | 11.00 | 38.00 | 196.00 | 599.50 | 800.50 | 1082.00 | 6454.00 | |||||||||||||
1972 | 964.50 | 807.00 | 615.50 | 529.50 | 374.50 | 95.00 | 2.00 | 18.00 | 127.50 | 451.00 | 879.00 | 1089.50 | 5953.00 | |||||||||||||
1973 | 1141.50 | 885.00 | 942.00 | 698.50 | 339.50 | 130.00 | 20.00 | 11.50 | 178.97 | a | 435.50 | 725.00 | 903.50 | 6410.97 | ||||||||||||
1974 | 1048.50 | 879.00 | 703.00 | 610.50 | 262.50 | 40.34 | a | 6.95 | b | 24.28 | a | 175.00 | 434.50 | 796.73 | d | 1105.50 | 6086.81 | |||||||||
1975 | 1080.50 | 904.50 | 866.50 | 710.17 | a | 462.42 | a | 142.00 | 3.00 | 17.00 | 173.50 | 454.00 | 811.03 | a | 1079.50 | 6704.12 | ||||||||||
1976 | 1048.00 | 768.50 | b | 858.00 | 589.66 | a | 330.00 | 134.50 | 4.50 | 20.50 | 168.50 | 559.50 | 807.41 | a | 1056.07 | a | 6345.14 | |||||||||
1977 | 1124.78 | a | 839.48 | a | 880.00 | 556.50 | 438.00 | 71.50 | 0.00 | 3.00 | 101.00 | 387.50 | 694.00 | 803.23 | c | 5899.00 | ||||||||||
1978 | 956.98 | d | 915.04 | c | 687.68 | a | 540.00 | 390.00 | 74.50 | 23.00 | 39.00 | 126.50 | 373.03 | a | 743.79 | a | 1148.00 | 6017.53 | ||||||||
1979 | 1136.00 | 889.26 | a | 842.50 | 556.50 | 397.50 | 131.50 | 14.00 | 64.50 | 94.50 | 357.53 | a | 877.76 | a | 964.88 | c | 6326.43 | |||||||||
1980 | 944.98 | a | 788.37 | b | 824.37 | d | 583.00 | 456.00 | 87.00 | 4.00 | 46.50 | b | 123.50 | 484.00 | 748.45 | a | 840.21 | b | 5930.38 | |||||||
1981 | 901.14 | b | 777.26 | a | 808.50 | 443.04 | b | 317.00 | 45.00 | 3.00 | 19.50 | 128.00 | 504.00 | 384.00 | l | 561.50 | k | 3946.43 | ||||||||
1982 | 682.50 | j | 550.00 | i | 521.00 | i | 518.00 | 367.50 | 151.50 | 22.00 | 7.00 | 112.50 | 556.00 | 769.50 | 992.50 | 3496.50 | ||||||||||
1983 | 637.00 | k | 552.00 | i | 756.00 | 537.50 | i | 374.50 | 137.50 | 3.50 | 23.00 | 61.50 | 426.00 | 795.50 | 873.00 | 3450.50 | ||||||||||
1984 | 683.00 | j | 598.50 | i | 533.00 | i | 436.00 | i | 193.00 | 118.50 | 0.00 | 3.50 | 96.00 | 636.00 | 757.00 | 509.00 | n | 1804.00 | ||||||||
1985 | 744.00 | i | 600.50 | j | 477.00 | k | 485.00 | 281.00 | 73.50 | 5.00 | 12.00 | 240.50 | 464.50 | 760.50 | 1015.50 | 3337.50 | ||||||||||
1986 | 830.00 | 754.00 | 668.50 | 524.00 | 327.00 | 76.50 | 22.00 | 9.00 | 216.00 | 543.00 | 729.50 | 594.50 | l | 4699.50 | ||||||||||||
1987 | 732.00 | j | 592.00 | i | 612.00 | i | 328.00 | j | 274.00 | j | 83.50 | 31.50 | 44.50 | 180.50 | 360.50 | 815.00 | 1061.50 | 2577.00 | ||||||||
1988 | 635.00 | m | 551.00 | i | 791.00 | 535.00 | 347.50 | 61.00 | 2.00 | 29.00 | 228.50 | 326.50 | 733.50 | 1054.50 | 4108.50 | |||||||||||
1989 | 740.50 | j | 588.50 | i | 632.00 | 388.50 | 247.50 | 103.00 | 8.50 | 32.00 | 112.00 | 450.00 | 746.50 | 963.00 | 3683.00 | |||||||||||
1990 | 648.50 | k | 548.50 | k | 522.50 | i | 475.00 | 286.00 | 34.00 | 0.00 | 42.50 | 110.50 | 441.00 | 735.50 | 1148.00 | 3272.50 | ||||||||||
1991 | 754.50 | i | 501.00 | i | 650.00 | i | 590.69 | a | 352.50 | 193.50 | 5.50 | 9.00 | 141.50 | 392.00 | 758.50 | 1045.50 | 3488.69 | |||||||||
1992 | 851.00 | j | 562.50 | j | 550.50 | i | 469.50 | 330.50 | 23.00 | u | 24.50 | 48.00 | 150.00 | 391.00 | 901.00 | 1111.00 | 3425.50 | |||||||||
1993 | 516.00 | n | 826.50 | 719.00 | 552.00 | 313.50 | 147.00 | 19.50 | 33.50 | 177.00 | 496.00 | 834.00 | 967.00 | 5085.00 | ||||||||||||
1994 | 626.00 | l | 599.00 | i | 699.00 | 351.50 | k | 380.50 | 31.00 | 7.00 | 6.00 | 109.50 | 517.18 | a | 830.00 | 933.00 | 3513.18 | |||||||||
1995 | 639.00 | l | 469.50 | i | 697.50 | 362.00 | l | 431.00 | 156.00 | 19.00 | 4.50 | 120.50 | 410.50 | 395.50 | k | 935.50 | 2774.50 | |||||||||
1996 | 563.50 | k | 444.50 | k | 514.00 | j | 494.00 | 125.50 | j | 25.00 | i | 0.00 | i | 13.00 | l | 129.00 | k | 291.50 | k | 481.50 | k | 635.50 | i | 494.00 | ||
1997 | 544.50 | p | 576.00 | j | 474.50 | j | 602.50 | 145.50 | l | 112.00 | 2.50 | 4.00 | j | 48.50 | 474.50 | 458.50 | i | 1123.00 | 2363.00 | |||||||
1998 | 600.00 | k | 0.00 | z | 514.50 | i | 691.55 | a | 267.50 | i | 148.00 | 1.00 | 2.07 | a | 64.00 | 315.00 | i | 444.50 | k | 645.00 | j | 906.62 | ||||
1999 | 579.50 | j | 499.00 | i | 491.00 | h | 450.00 | h | 207.50 | k | 74.50 | h | 4.00 | j | 15.00 | i | 85.00 | i | 244.50 | m | 391.50 | k | 806.50 | g | 0.00 | |
2000 | 554.50 | k | 513.50 | i | 558.50 | i | 257.50 | j | 129.50 | i | 10.00 | h | 1.00 | k | 12.00 | h | 33.00 | j | 285.50 | k | 601.00 | j | 563.00 | l | 0.00 | |
2001 | 720.50 | j | 542.00 | i | 495.50 | i | 347.50 | i | 119.50 | i | 38.50 | i | 3.00 | k | 7.00 | h | 30.00 | o | 240.50 | i | 518.50 | j | 664.00 | k | 0.00 | |
2002 | 688.00 | j | 575.50 | i | 496.50 | j | 438.50 | 235.50 | i | 35.00 | p | 0.00 | 5.00 | 71.50 | j | 344.50 | i | 514.00 | j | 753.00 | i | 443.50 | ||||
2003 | 562.00 | j | 532.50 | j | 478.50 | k | 429.00 | h | 169.00 | j | 40.00 | i | 0.00 | i | 7.50 | g | 60.50 | f | 236.00 | f | 481.00 | j | 755.00 | g | 0.00 | |
2004 | 669.00 | k | 613.00 | j | 412.00 | h | 371.50 | h | 164.50 | k | 46.50 | i | 2.00 | l | 33.00 | i | 132.50 | j | 381.00 | h | 820.00 | 986.00 | 1806.00 | |||
2005 | 901.50 | 700.50 | 760.00 | 372.00 | i | 141.00 | m | 50.00 | j | 0.00 | n | 8.50 | h | 55.50 | l | 239.50 | l | 451.50 | k | 723.50 | h | 2362.00 | ||||
2006 | 602.00 | l | 520.00 | i | 612.00 | h | 336.00 | j | 151.00 | i | 9.50 | h | 0.00 | j | 26.50 | 229.00 | 465.53 | b | 653.00 | 998.00 | 2372.03 | |||||
2007 | 1158.00 | 815.50 | 439.00 | m | 334.50 | i | 164.50 | k | 43.80 | e | 0.50 | 4.00 | 101.00 | 401.00 | 597.00 | 1069.50 | 4190.30 | |||||||||
2008 | 1082.00 | 874.50 | 752.50 | 524.00 | 393.70 | a | 50.00 | 4.00 | 9.00 | 117.00 | 429.00 | 665.00 | 943.00 | 5843.70 | ||||||||||||
2009 | 769.00 | f | 760.00 | 711.50 | 537.00 | 192.50 | 146.00 | 0.00 | 12.00 | 147.00 | 506.50 | 707.50 | 1151.00 | 4871.00 | ||||||||||||
2010 | 1056.00 | 923.50 | 798.00 | 547.00 | 384.00 | 64.50 | 0.50 | 2.00 | 69.00 | 391.24 | b | 824.00 | 810.00 | 5869.74 | ||||||||||||
2011 | 411.00 | v | 594.50 | h | 592.50 | 525.50 | 400.50 | 81.43 | b | 5.00 | 3.50 | 106.50 | 445.50 | 772.00 | 1163.50 | 4095.93 | ||||||||||
2012 | 921.70 | c | 872.00 | 693.07 | c | 464.00 | 211.00 | 21.21 | a | 0.00 | 1.00 | 128.50 | 380.50 | 670.50 | 987.50 | 5350.97 | ||||||||||
2013 | 1230.50 | 966.50 | 673.00 | 19.50 | 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 | 2870.00 | ||||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 1048.90 | 854.39 | 786.57 | 563.19 | 353.71 | 105.26 | 10.08 | 24.63 | 144.34 | 451.46 | 766.60 | 1016.10 | 6189.12 | |||||||||||||
S.D. | 107.11 | 102.42 | 99.92 | 80.28 | 72.27 | 49.74 | 13.17 | 19.12 | 51.76 | 73.31 | 77.05 | 99.20 | 352.10 | |||||||||||||
SKEW | -0.11 | 0.52 | 0.12 | 0.23 | -0.31 | 0.19 | 2.35 | 0.82 | 0.30 | 0.22 | 0.19 | -0.30 | -0.21 | |||||||||||||
MAX | 1230.50 | 1099.00 | 965.00 | 728.00 | 505.30 | 212.14 | 68.72 | 81.63 | 259.00 | 636.00 | 929.48 | 1212.00 | 6965.00 | |||||||||||||
MIN | 830.00 | 685.50 | 592.50 | 388.50 | 192.50 | 21.21 | 0.00 | 1.00 | 48.50 | 291.00 | 597.00 | 803.23 | 5350.97 | |||||||||||||
NO YRS | 37 | 39 | 44 | 49 | 49 | 52 | 54 | 55 | 55 | 53 | 50 | 52 | 28 |