| YEAR(S | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
| 1963 | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 37.72 | a | 42.50 | 203.00 | 504.00 | 1012.50 | 1373.00 | 3172.72 | ||||||
| 1964 | 1527.50 | 1406.50 | 1241.50 | 0.00 | z | 0.00 | z | 0.00 | z | 13.00 | 108.00 | 343.00 | 652.00 | 1134.50 | 1425.50 | 7851.50 | ||||||||||
| 1965 | 1412.50 | 1185.00 | 1280.00 | 716.00 | 557.48 | a | 265.50 | 56.50 | 128.50 | 532.50 | 600.62 | c | 938.50 | 1491.00 | 9164.11 | |||||||||||
| 1966 | 1673.00 | 1480.50 | 1108.50 | 837.50 | 424.50 | 258.50 | 10.00 | 89.50 | 266.50 | 817.50 | 985.50 | 1604.50 | 9556.00 | |||||||||||||
| 1967 | 1368.00 | 1257.00 | 1060.00 | 866.50 | 560.50 | 299.00 | 35.50 | 28.00 | 256.50 | 662.00 | 1091.00 | 1586.00 | 9070.00 | |||||||||||||
| 1968 | 1571.00 | 1220.50 | 801.50 | f | 862.20 | e | 534.48 | b | 188.00 | 28.00 | f | 97.50 | m | 436.73 | d | 577.50 | f | 790.50 | j | 1248.00 | g | 4812.91 | ||||
| 1969 | 894.00 | l | 1017.50 | i | 993.50 | k | 509.50 | h | 257.00 | j | 204.50 | i | 41.00 | j | 21.00 | j | 290.19 | d | 713.00 | f | 609.00 | m | 915.00 | j | 290.19 | |
| 1970 | 951.00 | j | 728.00 | i | 946.00 | g | 705.00 | h | 322.50 | k | 192.00 | h | 33.50 | i | 12.00 | j | 484.20 | e | 886.50 | 1070.00 | 1628.50 | 4069.20 | ||||
| 1971 | 1413.00 | 1180.00 | 1194.00 | 826.50 | 530.00 | 236.50 | 55.00 | 21.00 | 490.50 | 803.50 | 1329.50 | 1755.00 | 9834.50 | |||||||||||||
| 1972 | 1583.00 | 1362.00 | 894.50 | 748.00 | 493.50 | 164.00 | 0.00 | z | 58.50 | 367.24 | a | 0.00 | z | 1251.00 | 1647.50 | 8569.24 | ||||||||||
| 1973 | 1869.30 | a | 0.00 | z | 1309.00 | 910.00 | 499.50 | 258.50 | 83.50 | 70.50 | 420.50 | 700.00 | 1182.50 | 1441.50 | 8744.80 | |||||||||||
| 1974 | 1645.50 | 0.00 | z | 933.00 | 737.00 | 0.00 | z | 146.00 | 64.50 | 152.50 | 404.00 | 706.28 | a | 0.00 | z | 1467.50 | 6256.28 | |||||||||
| 1975 | 1508.00 | 1207.50 | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 781.50 | 1162.24 | a | 1335.00 | 5994.24 | |||||
| 1976 | 1481.50 | 1478.00 | 1297.00 | 785.00 | 465.00 | 320.50 | 33.00 | 206.00 | 382.00 | 878.00 | 1142.50 | 1466.00 | 9934.50 | |||||||||||||
| 1977 | 1625.00 | 1180.00 | 1319.50 | 756.72 | a | 648.00 | 113.50 | 53.00 | 124.00 | 384.50 | 746.50 | 1125.00 | a | 1328.50 | 9404.22 | |||||||||||
| 1978 | 1517.50 | 1375.50 | 1057.00 | 796.50 | 685.00 | 334.50 | 109.00 | 242.50 | 499.50 | 663.00 | 1288.39 | b | 1792.00 | 10360.39 | ||||||||||||
| 1979 | 2023.50 | 1496.00 | 1258.00 | 816.50 | 558.00 | 295.00 | 71.00 | 111.00 | 311.50 | 704.50 | 1381.50 | 1520.50 | 10547.00 | |||||||||||||
| 1980 | 1682.00 | 1489.00 | 1279.00 | 818.50 | 535.00 | 258.50 | 49.50 | 166.00 | 394.50 | 768.00 | 1170.00 | 1234.50 | 9844.50 | |||||||||||||
| 1981 | 1399.00 | 1161.50 | 1001.00 | 694.50 | 526.00 | 241.55 | a | 72.00 | 48.50 | 307.00 | 855.00 | 1045.50 | 1335.50 | 8687.05 | ||||||||||||
| 1982 | 1660.50 | 1408.00 | 1116.00 | 960.00 | 544.00 | 275.50 | 110.50 | 49.00 | 419.00 | 852.00 | 1286.00 | 1587.50 | 10268.00 | |||||||||||||
| 1983 | 1408.50 | 1284.00 | 1087.00 | 964.50 | 713.00 | 353.00 | 142.00 | 59.00 | 387.00 | 759.50 | 1226.50 | 1839.00 | 10223.00 | |||||||||||||
| 1984 | 1927.50 | 1704.00 | 1352.00 | 963.50 | 522.50 | 311.50 | 50.00 | 64.50 | 442.50 | 959.50 | 1233.50 | 1723.00 | 11254.00 | |||||||||||||
| 1985 | 1826.50 | 1533.50 | 1267.00 | 713.00 | 472.00 | 201.50 | 21.00 | 172.00 | 530.00 | 853.50 | 1369.50 | 1759.50 | 10719.00 | |||||||||||||
| 1986 | 1687.50 | 1214.89 | a | 945.00 | 795.50 | 609.50 | 150.00 | 143.63 | a | 75.50 | 515.00 | 774.00 | 1117.00 | 1505.50 | 9533.02 | |||||||||||
| 1987 | 1779.00 | 1225.00 | 1151.50 | 679.50 | 441.50 | 245.00 | 126.50 | 169.50 | 343.50 | 695.50 | 1127.00 | 1579.50 | 9563.00 | |||||||||||||
| 1988 | 1661.00 | 1275.50 | 1181.50 | 777.00 | 525.50 | 142.00 | 34.00 | 135.50 | 434.00 | 553.50 | 1163.00 | 1596.50 | 9479.00 | |||||||||||||
| 1989 | 1563.00 | 1628.00 | 1012.00 | 750.50 | 572.50 | 294.50 | 19.50 | 136.00 | 396.50 | 743.00 | 744.50 | j | 926.00 | l | 7115.50 | |||||||||||
| 1990 | 944.50 | j | 1221.00 | 983.00 | 624.50 | 579.50 | 216.00 | 25.00 | 98.00 | 253.00 | 913.00 | 1189.00 | 1854.00 | 7956.00 | ||||||||||||
| 1991 | 1726.00 | 1079.00 | 1108.00 | 859.00 | 583.50 | 277.50 | 108.00 | 154.50 | 433.50 | 871.00 | 1260.50 | 1783.50 | 10244.00 | |||||||||||||
| 1992 | 1759.50 | 1255.50 | 856.50 | 616.00 | 336.00 | 172.50 | 166.00 | 204.00 | 618.00 | 936.50 | 1530.00 | 1998.00 | 10448.50 | |||||||||||||
| 1993 | 2001.00 | 1890.00 | 1467.00 | 1114.00 | 725.50 | 520.00 | 372.00 | 325.00 | 585.50 | 870.50 | 1418.50 | 1714.50 | 13003.50 | |||||||||||||
| 1994 | 1478.50 | 1458.00 | 1044.00 | 831.00 | 495.50 | 274.50 | 88.00 | 104.00 | 366.50 | 851.00 | 1411.50 | 1499.00 | 9901.50 | |||||||||||||
| 1995 | 1653.00 | 1205.00 | 1179.00 | 1006.50 | 737.50 | 368.00 | 189.50 | 128.50 | 387.00 | 857.00 | 984.50 | 1366.00 | 10061.50 | |||||||||||||
| 1996 | 1376.00 | 1290.50 | 1206.00 | 938.28 | a | 675.50 | 271.50 | 110.50 | 182.00 | 567.00 | 898.48 | a | 1159.50 | 1522.50 | 10197.76 | |||||||||||
| 1997 | 1597.50 | 1513.50 | 1298.00 | 1069.00 | 624.50 | 349.50 | 273.32 | a | 229.00 | 519.83 | a | 974.50 | 1348.50 | 1941.12 | a | 11738.26 | ||||||||||
| 1998 | 1710.50 | 1493.00 | 1469.00 | 1033.00 | 721.50 | 636.50 | 134.50 | 288.00 | 499.50 | 985.00 | 1356.00 | 1736.00 | 12062.50 | |||||||||||||
| 1999 | 1594.00 | 1433.50 | 1281.50 | 1114.00 | 844.00 | 527.50 | 239.50 | 257.00 | 622.50 | 915.50 | 1189.50 | 1567.00 | 11585.50 | |||||||||||||
| 2000 | 1568.50 | 1323.50 | 1303.50 | 897.00 | 692.00 | 465.50 | 158.50 | 147.50 | 655.00 | 1044.50 | 1756.00 | 1830.50 | 11842.00 | |||||||||||||
| 2001 | 1865.50 | 1561.50 | 1266.50 | 1023.50 | 734.00 | 472.00 | 227.50 | 237.00 | 531.21 | a | 1007.00 | 1370.00 | 2025.00 | 12320.71 | ||||||||||||
| 2002 | 1842.00 | 1670.00 | 1532.50 | 1055.00 | 825.50 | 426.50 | 122.00 | 122.50 | 366.00 | 849.00 | 1160.00 | 1732.00 | 11703.00 | |||||||||||||
| 2003 | 1524.50 | 1671.70 | a | 1338.50 | 976.00 | 670.50 | 425.50 | 74.00 | 165.50 | 558.50 | 826.00 | 1507.50 | 1633.00 | 11371.20 | ||||||||||||
| 2004 | 1973.00 | 1706.70 | b | 1239.50 | 832.24 | a | 684.00 | 258.50 | 80.00 | 166.50 | 397.00 | 702.50 | 1134.00 | 1353.67 | a | 10527.61 | ||||||||||
| 2005 | 1567.50 | 1550.50 | 1171.50 | 799.50 | 553.50 | 348.50 | 41.50 | 97.00 | 408.00 | 738.50 | 1113.00 | 1574.50 | 9963.50 | |||||||||||||
| 2006 | 1439.50 | 1366.50 | 1153.00 | 750.50 | 491.00 | 159.00 | 19.00 | 124.50 | 419.50 | 782.00 | 1103.00 | 1515.50 | 9323.00 | |||||||||||||
| 2007 | 1836.00 | 1133.00 | 955.50 | 783.00 | 504.00 | 32.50 | o | 0.00 | 38.00 | 368.50 | 703.50 | 1053.00 | 1660.00 | 9034.50 | ||||||||||||
| 2008 | 1873.00 | 1491.00 | 1338.00 | 1009.00 | 582.44 | e | 303.00 | 26.00 | 101.50 | 386.00 | 732.50 | 983.50 | 1478.50 | 10304.44 | ||||||||||||
| 2009 | 1407.50 | 1192.50 | 1178.00 | 828.00 | 516.50 | 302.00 | 59.23 | c | 152.00 | 220.50 | 906.50 | 1066.50 | 0.00 | z | 7829.23 | |||||||||||
| 2010 | 1499.00 | 1310.00 | 1031.00 | 848.00 | 711.50 | 61.00 | v | 0.00 | z | 0.00 | z | 295.86 | a | 632.50 | 1131.50 | 1398.00 | 8857.36 | |||||||||
| 2011 | 980.00 | m | 0.00 | z | 1134.00 | 867.00 | e | 654.62 | a | 298.45 | a | 31.50 | 14.47 | a | 251.79 | b | 669.27 | c | 970.50 | g | 1587.41 | b | 5508.50 | |||
| 2012 | 1321.63 | a | 1257.60 | c | 903.43 | c | 670.50 | 477.73 | c | 156.21 | a | 3.62 | a | 16.03 | b | 257.88 | d | 673.50 | 944.50 | 1498.00 | 8180.63 | |||||
| 2013 | 1663.50 | 1250.00 | 1030.50 | 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 | 3944.00 | ||||
| Period of Record Statistics | ||||||||||||||||||||||||||
| MEAN | 1632.39 | 1379.45 | 1169.81 | 851.54 | 587.22 | 292.59 | 89.53 | 129.12 | 412.44 | 792.75 | 1200.06 | 1593.27 | 10349.16 | |||||||||||||
| S.D. | 182.87 | 184.68 | 159.94 | 127.64 | 109.27 | 113.97 | 78.46 | 74.04 | 110.63 | 121.81 | 167.96 | 185.27 | 1081.57 | |||||||||||||
| SKEW | 0.37 | 0.63 | 0.03 | 0.32 | 0.31 | 0.90 | 1.55 | 0.54 | 0.19 | -0.10 | 0.95 | 0.38 | 0.48 | |||||||||||||
| MAX | 2023.50 | 1890.00 | 1532.50 | 1114.00 | 844.00 | 636.50 | 372.00 | 325.00 | 655.00 | 1044.50 | 1756.00 | 2025.00 | 13003.50 | |||||||||||||
| MIN | 1321.63 | 1079.00 | 856.50 | 616.00 | 336.00 | 113.50 | 0.00 | 14.47 | 203.00 | 504.00 | 938.50 | 1234.50 | 8180.63 | |||||||||||||
| NO YRS | 46 | 45 | 46 | 45 | 44 | 43 | 44 | 45 | 49 | 47 | 45 | 46 | 35 | |||||||||||||