YEAR(S | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1959 | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 34.00 | z | 287.50 | 131.50 | 229.40 | a | 414.00 | 606.22 | d | 841.50 | 1149.00 | 3659.12 | ||||||
1960 | 1309.75 | a | 1073.50 | 869.00 | 720.00 | 598.96 | c | 283.00 | 46.50 | d | 260.00 | 306.00 | 631.37 | a | 1032.50 | 1183.00 | 8313.58 | |||||||||
1961 | 1027.00 | 862.50 | 942.50 | 759.50 | 595.00 | 193.50 | 98.50 | 69.00 | 520.00 | 669.00 | 1010.00 | 1200.50 | 7947.00 | |||||||||||||
1962 | 1286.00 | 996.50 | 1036.50 | 651.00 | 707.50 | 379.50 | 234.00 | 265.50 | 341.50 | 644.50 | 858.00 | 1015.50 | 8416.00 | |||||||||||||
1963 | 1272.50 | 750.00 | 1007.00 | 884.50 | 483.00 | 383.00 | 270.00 | 160.00 | 186.00 | 573.00 | 853.50 | 1091.50 | 7914.00 | |||||||||||||
1964 | 1214.00 | 990.50 | 1030.00 | 810.00 | 636.00 | 367.50 | 137.50 | 224.00 | 388.00 | 529.00 | 960.00 | 1170.50 | 8457.00 | |||||||||||||
1965 | 1130.50 | 843.50 | 964.00 | 700.50 | 616.00 | 325.00 | 143.12 | a | 198.50 | 503.00 | 485.50 | 870.00 | 1190.00 | 7969.62 | ||||||||||||
1966 | 1197.00 | 1007.00 | 893.50 | 717.50 | 433.50 | 403.00 | 197.37 | a | 176.00 | 273.00 | 617.00 | 849.00 | 1088.00 | 7851.87 | ||||||||||||
1967 | 1073.00 | 842.50 | 988.00 | 951.00 | 534.00 | 289.00 | 71.50 | 57.50 | 209.50 | 613.00 | 837.00 | 1229.00 | 7695.00 | |||||||||||||
1968 | 1183.00 | 836.50 | 806.00 | a | 782.50 | 565.00 | 281.50 | 89.00 | 257.00 | 316.50 | 621.03 | a | 862.50 | 1207.00 | 7807.53 | |||||||||||
1969 | 1252.00 | 1091.50 | 958.50 | 743.00 | 431.50 | 273.00 | 147.00 | 182.00 | 321.00 | 775.00 | 855.50 | 1040.50 | 8070.50 | |||||||||||||
1970 | 1085.50 | 852.50 | 984.50 | 964.00 | 555.50 | 251.50 | 115.50 | 113.00 | 496.50 | 714.00 | 924.00 | 1274.50 | 8331.00 | |||||||||||||
1971 | 1088.50 | 952.50 | 1068.50 | 797.50 | 529.00 | 396.00 | 133.00 | 72.50 | 478.50 | 741.50 | 913.00 | 1270.50 | 8441.00 | |||||||||||||
1972 | 1241.00 | 956.50 | 788.00 | 834.50 | 490.00 | 265.50 | 98.50 | 132.00 | 458.50 | 642.00 | 923.00 | 1338.50 | 8168.00 | |||||||||||||
1973 | 1254.50 | 907.50 | 963.50 | 750.50 | 437.00 | 268.00 | 111.00 | 182.50 | 314.00 | 660.00 | 984.50 | 1019.50 | 7852.50 | |||||||||||||
1974 | 1252.00 | 914.00 | 928.00 | 767.50 | 620.00 | 178.00 | 154.50 | 165.00 | 249.50 | 656.50 | 852.41 | a | 1127.00 | 7864.41 | ||||||||||||
1975 | 1136.00 | 990.00 | 1016.00 | 920.50 | 535.50 | 361.00 | 94.00 | 241.50 | 269.00 | 646.00 | 991.50 | 1027.00 | 8228.00 | |||||||||||||
1976 | 1083.50 | 993.00 | 1007.50 | 802.00 | 507.00 | 438.50 | 116.00 | 253.50 | 261.50 | 609.00 | 760.00 | 1051.00 | 7882.50 | |||||||||||||
1977 | 1209.00 | 791.50 | 1010.50 | 624.50 | 705.00 | 185.50 | 162.50 | 118.50 | 397.00 | 595.50 | 958.45 | a | 1029.50 | 7787.45 | ||||||||||||
1978 | 1026.50 | 878.00 | 750.50 | 761.00 | 637.50 | 289.00 | 134.50 | 214.50 | 426.50 | 563.00 | 1082.50 | 1306.00 | 8069.50 | |||||||||||||
1979 | 1476.00 | 967.00 | 825.50 | 763.00 | 485.00 | 298.00 | 147.00 | 166.00 | 214.00 | 491.00 | 971.00 | 989.50 | 7793.00 | |||||||||||||
1980 | 1163.50 | 862.50 | 942.50 | 635.50 | 531.50 | 411.50 | 132.50 | 274.00 | 297.50 | 558.50 | 834.00 | 927.00 | 7570.50 | |||||||||||||
1981 | 1008.50 | 933.00 | 866.00 | 654.00 | 546.50 | 303.50 | 206.50 | 106.00 | 322.50 | 660.50 | 856.50 | 1054.50 | 7518.00 | |||||||||||||
1982 | 1283.00 | 1004.00 | 968.00 | 799.50 | 550.00 | 267.00 | 192.50 | 163.00 | 430.00 | 684.00 | 1034.50 | 1200.00 | 8575.50 | |||||||||||||
1983 | 991.50 | 862.00 | 871.00 | 821.00 | 497.50 | 385.00 | 221.00 | 107.50 | 421.00 | 572.50 | 881.00 | 1332.00 | 7963.00 | |||||||||||||
1984 | 1212.50 | 982.50 | 837.50 | 578.50 | i | 550.50 | 391.50 | 91.50 | 119.00 | 418.00 | 784.50 | 967.50 | 1283.00 | 7638.00 | ||||||||||||
1985 | 1292.00 | 1075.00 | 986.00 | 603.50 | 527.00 | 258.00 | 31.50 | 227.00 | 549.00 | 667.00 | 1226.00 | 1333.00 | 8775.00 | |||||||||||||
1986 | 967.50 | 845.19 | a | 741.00 | 768.10 | a | 506.00 | 199.50 | 250.50 | 51.50 | 515.50 | 589.50 | 855.50 | 1099.50 | 7389.29 | |||||||||||
1987 | 1225.00 | 923.00 | 888.50 | 489.50 | 408.17 | a | 201.21 | a | 235.00 | 184.00 | 263.00 | 475.00 | 949.04 | d | 1160.50 | 7401.91 | ||||||||||
1988 | 1207.97 | a | 827.00 | 851.00 | 590.50 | 542.50 | 279.50 | 85.50 | 106.50 | 299.50 | 343.50 | 921.00 | 1135.00 | 7189.47 | ||||||||||||
1989 | 1262.50 | 1231.50 | 901.67 | b | 562.00 | 548.00 | 226.00 | 96.50 | 197.50 | 282.00 | 617.50 | 861.00 | 1038.50 | 7824.67 | ||||||||||||
1990 | 1051.50 | 1008.50 | 838.50 | 514.50 | 589.50 | 284.50 | 82.50 | 163.00 | 155.50 | 613.00 | 867.00 | 1376.00 | 7544.00 | |||||||||||||
1991 | 1114.00 | 737.00 | 980.50 | 773.00 | 608.50 | 412.50 | 70.50 | 63.50 | 185.50 | 556.50 | 852.00 | 1068.00 | 7421.50 | |||||||||||||
1992 | 1092.50 | 803.00 | 770.50 | 570.00 | 297.00 | 187.50 | 160.00 | 116.50 | 498.50 | 518.50 | 953.00 | 1315.00 | 7282.00 | |||||||||||||
1993 | 1473.50 | 1261.00 | 914.50 | 729.00 | 395.50 | 358.50 | 330.00 | 179.50 | 286.00 | 524.50 | 1095.50 | 1105.00 | 8652.50 | |||||||||||||
1994 | 965.00 | 1004.50 | 789.50 | 621.50 | 423.50 | 278.00 | 53.50 | 107.00 | 188.00 | 658.50 | 1133.00 | 1192.50 | 7414.50 | |||||||||||||
1995 | 1065.00 | 768.50 | 951.00 | 752.50 | 472.50 | 325.00 | 114.50 | 157.00 | 234.50 | 637.50 | 733.00 | 1124.00 | 7335.00 | |||||||||||||
1996 | 1092.00 | 1052.50 | 916.71 | c | 727.00 | 679.00 | 0.00 | z | 95.00 | 149.50 | 420.00 | 669.00 | 887.00 | 1109.50 | 7797.21 | |||||||||||
1997 | 1147.55 | c | 1001.00 | 350.50 | r | 271.00 | s | 365.59 | b | 360.58 | d | 151.79 | b | 82.00 | 306.00 | 677.00 | 854.48 | a | 1180.00 | 6125.99 | ||||||
1998 | 1050.50 | 943.50 | 658.00 | i | 761.00 | 655.50 | 341.50 | 53.50 | 90.00 | p | 257.50 | 721.50 | 915.50 | 1230.00 | 6930.00 | |||||||||||
1999 | 1130.47 | a | 1089.41 | a | 989.86 | b | 831.21 | a | 665.98 | a | 381.50 | 219.67 | b | 128.98 | c | 375.00 | b | 602.50 | 732.50 | 0.00 | z | 7147.08 | ||||
2000 | 900.50 | g | 980.50 | 976.50 | 680.50 | 580.39 | d | 248.65 | d | 185.50 | 109.50 | 415.80 | e | 720.00 | 1085.17 | a | 1152.00 | 7134.52 | ||||||||
2001 | 1235.00 | 1042.00 | 878.52 | c | 794.50 | 465.00 | 406.67 | c | 193.15 | e | 91.28 | d | 274.00 | 596.20 | c | 905.89 | b | 1253.90 | b | 8136.10 | ||||||
2002 | 1181.50 | 968.00 | 1036.00 | 729.00 | 634.50 | 261.00 | 51.50 | 222.00 | 362.00 | 749.50 | 918.00 | 1107.45 | b | 8220.45 | ||||||||||||
2003 | 943.50 | 998.50 | 830.05 | b | 868.50 | 653.98 | e | 0.00 | z | 63.00 | 78.00 | 274.04 | d | 553.50 | 1071.00 | 1107.00 | 7441.07 | |||||||||
2004 | 1220.00 | 1087.50 | 809.50 | 474.00 | j | 576.00 | 298.00 | 88.50 | 99.20 | a | 426.72 | a | 655.00 | 991.00 | 1087.00 | 7338.42 | ||||||||||
2005 | 1228.00 | 978.78 | e | 842.00 | 783.00 | 546.50 | 456.50 | 79.88 | e | 113.50 | 446.00 | 676.50 | 1002.00 | 1285.00 | 8437.67 | |||||||||||
2006 | 1102.00 | 1070.50 | 1063.50 | 779.00 | 511.50 | 255.50 | 48.00 | 171.50 | 322.50 | 692.00 | 965.00 | 1189.00 | 8170.00 | |||||||||||||
2007 | 1265.00 | 963.00 | 841.65 | a | 551.50 | j | 0.00 | z | 0.00 | z | 32.00 | 130.50 | 384.50 | 735.00 | 943.00 | 1269.50 | 6564.15 | |||||||||
2008 | 1381.50 | 1030.00 | 1011.50 | 861.50 | 535.00 | 336.35 | d | 83.59 | c | 122.50 | 315.00 | 633.50 | 810.00 | 1261.00 | 8381.44 | |||||||||||
2009 | 1093.00 | 968.00 | 1003.50 | 810.50 | 511.00 | 307.00 | 74.50 | 141.50 | 222.00 | 774.00 | 947.00 | 1314.00 | 8166.00 | |||||||||||||
2010 | 1019.50 | 924.50 | 942.00 | 885.00 | 661.91 | d | 409.00 | 65.50 | h | 175.50 | 360.00 | 584.00 | 1007.00 | 1180.00 | 8148.41 | |||||||||||
2011 | 851.00 | h | 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 | |
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 1165.24 | 955.34 | 919.93 | 746.79 | 542.76 | 310.76 | 129.53 | 154.43 | 343.28 | 626.60 | 927.77 | 1166.01 | 7956.78 | |||||||||||||
S.D. | 121.32 | 109.71 | 87.40 | 107.41 | 89.10 | 72.91 | 66.83 | 59.98 | 100.28 | 84.34 | 99.13 | 106.22 | 406.26 | |||||||||||||
SKEW | 0.38 | 0.29 | -0.27 | -0.35 | -0.33 | 0.03 | 0.81 | 0.27 | 0.19 | -0.60 | 0.55 | 0.01 | -0.04 | |||||||||||||
MAX | 1476.00 | 1261.00 | 1068.50 | 964.00 | 707.50 | 456.50 | 330.00 | 274.00 | 549.00 | 784.50 | 1226.00 | 1376.00 | 8775.00 | |||||||||||||
MIN | 943.50 | 737.00 | 741.00 | 489.50 | 297.00 | 178.00 | 31.50 | 51.50 | 155.50 | 343.50 | 732.50 | 927.00 | 7189.47 | |||||||||||||
NO YRS | 50 | 51 | 49 | 47 | 50 | 49 | 51 | 51 | 52 | 52 | 52 | 51 | 41 |