| YEAR(S | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
| 1986 | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 52.50 | l | 51.67 | a | 447.50 | 713.52 | a | 969.00 | 1234.83 | a | 3416.52 | |||
| 1987 | 1363.47 | b | 1119.00 | 1133.50 | 630.00 | a | 501.00 | 144.64 | b | 98.17 | a | 126.00 | 264.83 | a | 523.90 | a | 1020.00 | 1361.93 | a | 8286.44 | ||||||
| 1988 | 1398.50 | 1079.50 | 1118.00 | 742.00 | 525.50 | 127.00 | 10.50 | 54.50 | 361.00 | 466.50 | 1014.00 | 1308.00 | 8205.00 | |||||||||||||
| 1989 | 1439.50 | 1211.50 | 864.00 | 593.50 | 488.50 | 255.50 | 20.50 | 136.50 | 268.50 | 637.00 | 871.50 | 1166.50 | 7953.00 | |||||||||||||
| 1990 | 1283.50 | 1156.50 | 934.50 | 627.00 | 541.00 | 191.00 | 46.00 | 84.50 | 229.00 | 666.50 | 995.00 | 1525.50 | 8280.00 | |||||||||||||
| 1991 | 1453.50 | 974.00 | 1150.00 | 892.00 | 606.50 | 268.50 | 74.00 | 88.00 | 311.50 | 582.50 | 1056.00 | 1350.00 | 8806.50 | |||||||||||||
| 1992 | 1334.00 | 1097.50 | 965.00 | 571.03 | a | 415.00 | 248.00 | 116.50 | 92.50 | 274.50 | 513.00 | 1158.50 | 1474.50 | 8260.03 | ||||||||||||
| 1993 | 1346.00 | 1180.00 | 949.12 | a | 809.00 | 470.50 | 313.50 | 118.00 | 123.00 | 322.00 | 693.50 | 1157.00 | 1307.50 | 8789.12 | ||||||||||||
| 1994 | 1175.00 | 1207.00 | 880.50 | 735.50 | 462.00 | 111.00 | 21.50 | 34.50 | 236.50 | 695.50 | 1213.00 | 1307.00 | 8079.00 | |||||||||||||
| 1995 | 1317.00 | 826.00 | 976.00 | 840.50 | 669.00 | 359.00 | 105.50 | 54.50 | 265.50 | 679.00 | 835.50 | 1140.00 | 8067.50 | |||||||||||||
| 1996 | 1237.50 | 992.00 | 997.00 | 749.50 | 428.00 | 135.00 | 14.00 | 45.00 | 386.50 | 721.00 | 1003.00 | 1252.00 | 7960.50 | |||||||||||||
| 1997 | 1302.00 | 1170.00 | 899.00 | 892.50 | 447.00 | 194.00 | 100.00 | 98.50 | 334.00 | 684.00 | 1017.50 | 1335.58 | a | 8474.08 | ||||||||||||
| 1998 | 1193.50 | 1177.50 | 1075.00 | 866.00 | 588.50 | 370.50 | 36.00 | 59.00 | 298.50 | 722.00 | 1018.50 | 1227.00 | 8632.00 | |||||||||||||
| 1999 | 1123.50 | 1055.19 | a | 873.68 | a | 913.39 | b | 592.50 | 288.10 | a | 46.00 | 142.00 | 361.11 | c | 565.75 | a | 859.00 | 1209.57 | d | 8029.80 | ||||||
| 2000 | 1151.28 | b | 1041.41 | a | 1047.50 | 601.55 | a | 359.37 | d | 137.00 | 40.62 | b | 73.88 | a | 283.45 | a | 678.50 | 1192.24 | a | 1123.50 | 7730.30 | |||||
| 2001 | 1289.00 | 1103.50 | 936.00 | 785.50 | 522.00 | 307.00 | 233.50 | 100.75 | a | 228.62 | a | 534.50 | 931.00 | 1357.28 | a | 8328.65 | ||||||||||
| 2002 | 1322.00 | 1146.00 | 1131.00 | 90.50 | z | 102.00 | z | 0.00 | z | 3.50 | z | 8.50 | z | 53.50 | y | 409.50 | p | 996.50 | 1245.50 | 5841.00 | ||||||
| 2003 | 660.50 | k | 1094.50 | 956.00 | 761.00 | 431.50 | 168.00 | 0.00 | 40.50 | 242.50 | 422.00 | 1090.50 | 1282.00 | 6488.50 | ||||||||||||
| 2004 | 1347.50 | 937.00 | h | 767.50 | 703.50 | 438.00 | 154.00 | 0.00 | z | 77.50 | 315.50 | 680.50 | 1019.50 | 0.00 | z | 5503.50 | ||||||||||
| 2005 | 1155.50 | 1050.50 | 987.00 | 764.00 | 450.00 | 327.50 | 17.50 | 101.00 | 304.50 | 615.50 | 893.00 | 1212.50 | 7878.50 | |||||||||||||
| 2006 | 1273.50 | 814.50 | g | 1146.50 | 0.00 | z | 49.50 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 2420.00 | |||
| Period of Record Statistics | ||||||||||||||||||||||||||
| MEAN | 1289.78 | 1093.42 | 989.34 | 748.75 | 496.44 | 227.74 | 64.61 | 83.36 | 301.87 | 620.77 | 1015.51 | 1285.30 | 8235.03 | |||||||||||||
| S.D. | 96.38 | 96.12 | 109.15 | 109.64 | 79.47 | 86.33 | 59.15 | 33.07 | 57.97 | 92.10 | 107.83 | 103.77 | 315.64 | |||||||||||||
| SKEW | -0.15 | -1.15 | 0.00 | -0.14 | 0.49 | 0.20 | 1.36 | 0.25 | 0.80 | -0.73 | 0.18 | 0.60 | 0.45 | |||||||||||||
| MAX | 1453.50 | 1211.50 | 1150.00 | 913.39 | 669.00 | 370.50 | 233.50 | 142.00 | 447.50 | 722.00 | 1213.00 | 1525.50 | 8806.50 | |||||||||||||
| MIN | 1123.50 | 826.00 | 767.50 | 571.03 | 359.37 | 111.00 | 0.00 | 34.50 | 228.62 | 422.00 | 835.50 | 1123.50 | 7730.30 | |||||||||||||
| NO YRS | 19 | 18 | 20 | 18 | 18 | 18 | 17 | 19 | 19 | 19 | 20 | 19 | 16 | |||||||||||||