YEAR(S | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1940 | 311.50 | 371.50 | 565.00 | 689.00 | 989.00 | 1170.00 | 1233.00 | 1248.50 | 942.00 | 757.00 | 322.50 | 353.50 | 8952.50 | |||||||||||||
1941 | 329.50 | 395.50 | 519.50 | 513.00 | 942.50 | 1031.50 | 1317.00 | 1190.50 | 896.00 | 689.00 | 447.50 | 295.50 | 8567.00 | |||||||||||||
1942 | 248.50 | 191.50 | 432.00 | 587.00 | 822.00 | 1055.00 | 1379.00 | 1252.00 | 997.00 | 757.50 | 436.00 | 188.00 | 8345.50 | |||||||||||||
1943 | 242.00 | 0.00 | z | 547.50 | 733.45 | a | 0.00 | z | 993.00 | 1323.00 | 0.00 | z | 0.00 | z | 840.00 | 444.00 | 268.00 | 5390.95 | ||||||||
1944 | 224.00 | 295.00 | 436.50 | 656.50 | 973.50 | 904.00 | 1195.50 | 1206.00 | 1124.00 | 790.00 | 424.00 | 218.50 | 8447.50 | |||||||||||||
1945 | 98.50 | 271.00 | 322.00 | 608.00 | 835.00 | 1122.50 | 1461.00 | 1306.00 | 1049.00 | 832.00 | 410.50 | 304.50 | 8620.00 | |||||||||||||
1946 | 149.00 | 249.50 | 516.50 | 783.50 | 931.00 | 1074.00 | 1375.50 | 1324.50 | 1072.50 | 664.00 | 317.50 | 178.50 | 8636.00 | |||||||||||||
1947 | 73.50 | 313.00 | 596.00 | 737.00 | 1044.50 | 1091.50 | 1242.00 | 1177.50 | 1101.00 | 786.00 | 274.00 | 126.50 | 8562.50 | |||||||||||||
1948 | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 1262.00 | 1207.00 | 1010.50 | 753.50 | 304.00 | 96.50 | f | 4537.00 | ||||||
1949 | 30.00 | 150.64 | c | 449.00 | 758.00 | 892.00 | 1201.67 | c | 1300.00 | 1164.57 | a | 1115.50 | 462.50 | i | 531.60 | e | 147.25 | c | 7740.22 | |||||||
1950 | 31.00 | j | 320.50 | 471.00 | 721.00 | 722.00 | f | 874.00 | f | 1386.00 | 1266.00 | 1008.00 | 818.00 | 431.00 | g | 344.62 | a | 6335.12 | ||||||||
1951 | 166.50 | f | 304.50 | d | 479.98 | a | 670.56 | c | 922.00 | 1093.97 | a | 1294.77 | a | 1255.50 | 1095.50 | 692.50 | 413.50 | 153.50 | 8376.27 | |||||||
1952 | 176.46 | e | 272.00 | 341.00 | 623.00 | 970.00 | 926.00 | 1343.00 | 829.00 | k | 1068.10 | a | 891.00 | 322.00 | 205.00 | 7137.56 | ||||||||||
1953 | 285.00 | 222.32 | c | 464.00 | 620.17 | a | 712.50 | 929.50 | 1358.00 | 1157.00 | 1085.00 | 700.50 | 444.83 | a | 132.00 | 8110.82 | ||||||||||
1954 | 168.50 | 258.00 | 420.00 | 758.50 | 982.00 | 1011.50 | 1348.00 | 1115.00 | 962.68 | b | 735.50 | 352.00 | 154.50 | 8266.18 | ||||||||||||
1955 | 80.00 | 195.00 | 435.00 | 513.50 | 858.50 | 1029.00 | 1179.00 | 1304.00 | 1050.52 | a | 781.50 | 310.00 | 302.50 | 8038.52 | ||||||||||||
1956 | 277.50 | 151.00 | 478.00 | 619.50 | 900.50 | 707.50 | i | 1280.00 | 1183.50 | 1061.50 | 703.50 | 352.50 | 129.50 | 7137.00 | ||||||||||||
1957 | 50.50 | h | 377.48 | a | 515.50 | 678.00 | 831.00 | 1183.50 | 1295.50 | 1186.50 | 1046.38 | a | 686.00 | 331.50 | 154.00 | 8285.36 | ||||||||||
1958 | 170.00 | 393.00 | 371.00 | 633.00 | 971.00 | 1063.50 | 1304.50 | 1392.50 | 1056.00 | 920.00 | 407.00 | 258.50 | 8940.00 | |||||||||||||
1959 | 281.50 | 257.00 | 584.00 | 780.50 | 821.00 | 1170.50 | 904.00 | k | 1238.50 | 1007.50 | 833.00 | 416.50 | 194.50 | 7584.50 | ||||||||||||
1960 | 203.50 | 312.50 | 573.00 | 651.50 | 869.00 | 1269.00 | 1382.50 | 1229.50 | 1085.00 | 733.00 | 339.50 | 127.00 | 8775.00 | |||||||||||||
1961 | 101.00 | 346.00 | 452.00 | 688.00 | 794.50 | 1237.50 | 1387.00 | 1334.00 | 987.50 | 757.50 | 346.00 | 133.00 | 8564.00 | |||||||||||||
1962 | 53.00 | 264.50 | 386.00 | 765.50 | 814.50 | 1098.00 | 1289.00 | 1236.50 | 1047.00 | 734.50 | 433.00 | 212.50 | 8334.00 | |||||||||||||
1963 | 73.50 | 436.50 | 430.00 | 528.50 | 907.50 | 1018.00 | 1212.00 | 1211.50 | 1071.00 | 787.00 | 400.50 | 42.50 | 8118.50 | |||||||||||||
1964 | 131.00 | 243.50 | 401.50 | 616.00 | 800.00 | 1047.00 | 1265.50 | 1264.50 | 957.00 | 904.50 | 325.00 | 310.50 | 8266.00 | |||||||||||||
1965 | 193.00 | 267.50 | 493.00 | 628.00 | 896.00 | 970.50 | 1240.00 | 1266.50 | 935.36 | b | 838.00 | 493.00 | 73.00 | 8293.86 | ||||||||||||
1966 | 123.50 | 222.00 | 519.50 | 811.50 | 999.50 | 1086.50 | 1212.50 | 1311.00 | 1011.00 | 783.00 | 499.50 | 189.50 | 8769.00 | |||||||||||||
1967 | 171.00 | 216.00 | 466.00 | 359.00 | 911.50 | 1038.50 | 1428.00 | 1439.50 | 1156.50 | 816.00 | 533.50 | 102.50 | 8638.00 | |||||||||||||
1968 | 147.00 | 430.50 | 531.50 | 654.50 | 876.00 | 1135.50 | 1309.00 | 1145.00 | 1025.50 | 735.50 | 387.00 | 133.50 | 8510.50 | |||||||||||||
1969 | 183.50 | 244.00 | 410.00 | 608.00 | 946.50 | 1022.50 | 1287.00 | 1271.00 | 1106.00 | 624.00 | 397.50 | 222.00 | 8322.00 | |||||||||||||
1970 | 296.00 | 358.00 | 497.50 | 522.50 | 923.00 | 1108.00 | 1343.00 | 1258.50 | 971.00 | 707.50 | 451.50 | 167.50 | 8604.00 | |||||||||||||
1971 | 127.50 | 187.00 | 434.00 | 532.50 | 750.50 | 1023.50 | 1316.50 | 1284.00 | 1034.50 | 650.00 | 354.00 | 128.00 | 7822.00 | |||||||||||||
1972 | 57.50 | 354.50 | 667.50 | 655.50 | 951.00 | 1138.50 | 1319.50 | 1231.00 | 964.50 | 708.50 | 310.00 | 110.00 | 8468.00 | |||||||||||||
1973 | 166.00 | 376.50 | 370.00 | 653.00 | 1034.50 | 1163.50 | 1255.00 | 1212.50 | 977.00 | 709.50 | 388.00 | 175.00 | 8480.50 | |||||||||||||
1974 | 245.50 | 242.00 | 511.50 | 586.50 | 905.00 | 1092.50 | 1283.50 | 1223.50 | 1119.00 | 796.00 | 361.50 | 124.00 | 8490.50 | |||||||||||||
1975 | 100.00 | 271.50 | 409.00 | 477.00 | 884.50 | 1072.50 | 1215.00 | 1149.50 | 1098.50 | 709.00 | 324.00 | 127.00 | 7837.50 | |||||||||||||
1976 | 155.00 | 332.50 | 414.00 | 521.50 | 948.50 | 1030.00 | 1268.50 | 1063.50 | 1012.50 | 800.00 | 438.50 | 137.50 | 8122.00 | |||||||||||||
1977 | 127.50 | 345.00 | 358.00 | 712.00 | 702.00 | 1163.50 | 1254.50 | 1246.00 | 1017.00 | 810.50 | 416.00 | 356.00 | 8508.00 | |||||||||||||
1978 | 308.50 | 303.50 | 594.00 | 576.50 | 882.50 | 1086.50 | 1269.50 | 1225.50 | 936.50 | 922.50 | 335.50 | 69.50 | 8510.50 | |||||||||||||
1979 | 183.00 | 252.50 | 524.50 | 631.50 | 994.50 | 1141.50 | 1256.00 | 1174.00 | 1107.00 | 823.50 | 401.50 | 240.50 | 8730.00 | |||||||||||||
1980 | 287.00 | 400.50 | 429.50 | 656.50 | 836.50 | 966.50 | 1279.00 | 1204.50 | 972.50 | 842.00 | 410.50 | 199.50 | 8484.50 | |||||||||||||
1981 | 276.50 | 357.00 | 478.00 | 692.50 | 928.50 | 1184.00 | 1279.00 | 1251.00 | 1093.50 | 647.50 | 469.00 | 221.00 | 8877.50 | |||||||||||||
1982 | 122.50 | 350.50 | 419.00 | 590.00 | 922.50 | 1009.00 | 1223.00 | 1222.00 | 985.50 | 756.00 | 346.00 | 181.50 | 8127.50 | |||||||||||||
1983 | 144.00 | 349.00 | 509.00 | 541.00 | 887.00 | 1045.00 | 1140.50 | 1263.50 | 1134.00 | 839.50 | 443.50 | 302.00 | 8598.00 | |||||||||||||
1984 | 224.00 | 346.50 | 579.50 | 599.00 | 1006.50 | 1074.50 | 1352.00 | 1295.00 | 1192.00 | 679.42 | a | 421.00 | 184.00 | 8953.42 | ||||||||||||
1985 | 68.20 | a | 306.50 | 445.50 | 0.00 | z | 904.50 | 1190.00 | 1338.50 | 1181.00 | 899.00 | 711.00 | 296.00 | 107.00 | 7447.20 | |||||||||||
1986 | 320.50 | 378.50 | 606.50 | 666.50 | 931.00 | 1132.50 | 1200.00 | 1284.50 | 868.00 | 707.50 | 381.00 | 117.00 | 8593.50 | |||||||||||||
1987 | 103.00 | 260.00 | 448.50 | 788.50 | 972.00 | 1109.00 | 1105.00 | 1181.50 | 998.00 | 903.50 | 335.50 | 143.00 | 8347.50 | |||||||||||||
1988 | 159.00 | 319.50 | 498.00 | 654.00 | 843.50 | 1021.00 | 1335.50 | 1200.00 | 997.50 | 825.50 | 360.50 | 125.00 | 8339.00 | |||||||||||||
1989 | 81.50 | 255.50 | 547.50 | 792.00 | 899.00 | 1087.50 | 1296.00 | 1173.00 | 1002.00 | 751.50 | 374.00 | 68.00 | 8327.50 | |||||||||||||
1990 | 150.50 | 202.00 | 535.50 | 793.00 | 888.00 | 1085.50 | 1357.50 | 1228.50 | 1037.00 | 849.00 | 358.50 | 92.50 | 8577.50 | |||||||||||||
1991 | 174.50 | 417.00 | 381.00 | 595.50 | 810.50 | 1045.00 | 1329.50 | 1184.00 | 1152.00 | 953.00 | 427.50 | 160.50 | 8630.00 | |||||||||||||
1992 | 89.00 | 448.50 | 579.00 | 773.50 | 1096.50 | 1093.50 | 1208.50 | 1277.50 | 1052.50 | 876.50 | 399.50 | 168.50 | 9063.00 | |||||||||||||
1993 | 227.50 | 345.00 | 602.50 | 640.00 | 910.00 | 1030.00 | 1212.50 | 1212.50 | 1033.00 | 844.00 | 384.50 | 158.50 | 8600.00 | |||||||||||||
1994 | 233.50 | 369.50 | 649.50 | 737.00 | 916.00 | 1131.00 | 1290.50 | 1232.50 | 1028.50 | 749.00 | 284.50 | 77.50 | n | 8621.50 | ||||||||||||
1995 | 362.50 | 370.50 | 524.00 | 622.50 | 845.00 | 1017.50 | 1238.00 | 1239.00 | 1052.50 | 809.00 | 536.50 | 307.00 | 8924.00 | |||||||||||||
1996 | 211.50 | 418.00 | 548.50 | 723.50 | 959.00 | 1121.00 | 1340.50 | 1275.50 | 994.50 | 733.50 | 419.50 | 258.00 | 9003.00 | |||||||||||||
1997 | 295.00 | 277.50 | 596.00 | 681.00 | 1080.00 | 1076.50 | 1235.00 | 1222.50 | 1072.50 | 709.00 | 485.00 | 136.00 | 8866.00 | |||||||||||||
1998 | 295.50 | 283.50 | 477.50 | 544.00 | 689.00 | 949.50 | 1300.50 | 1294.00 | 1054.00 | 698.00 | 433.00 | 188.50 | 8207.00 | |||||||||||||
1999 | 218.00 | 362.50 | 574.50 | 560.50 | 846.50 | 1079.50 | 1367.50 | 1289.50 | 1166.50 | 1026.00 | 696.00 | 484.50 | 9671.50 | |||||||||||||
2000 | 539.00 | 593.50 | 597.27 | a | 784.00 | 1065.50 | 1192.50 | 1226.00 | 1254.00 | 983.00 | 761.50 | 245.00 | 217.00 | 9458.27 | ||||||||||||
2001 | 186.00 | 257.00 | 618.00 | 592.00 | 1152.50 | 1186.00 | 1292.50 | 1282.50 | 1087.50 | 882.00 | 461.00 | 220.00 | 9217.00 | |||||||||||||
2002 | 143.00 | 339.00 | 486.50 | 716.50 | 926.00 | 1152.50 | 1329.50 | 1224.00 | 1100.00 | 732.50 | 436.00 | 275.00 | 8860.50 | |||||||||||||
2003 | 283.00 | 314.50 | 552.00 | 582.50 | 902.00 | 1157.00 | 1398.50 | 1277.00 | 1151.00 | 909.50 | 344.50 | 273.50 | 9145.00 | |||||||||||||
2004 | 193.00 | 319.00 | 705.50 | 757.50 | 957.00 | 1133.00 | 1332.00 | 1257.00 | 1040.50 | 726.50 | 336.00 | 185.00 | 8942.00 | |||||||||||||
2005 | 237.00 | 389.50 | 565.50 | 601.00 | 929.50 | 1001.50 | 1425.00 | 1312.50 | 941.50 | 759.50 | 502.50 | 327.50 | 8992.50 | |||||||||||||
2006 | 254.00 | 340.00 | 340.50 | 596.50 | 1007.00 | 1207.00 | 1429.50 | 1214.50 | 1035.50 | 708.00 | 438.00 | 197.00 | 8767.50 | |||||||||||||
2007 | 140.00 | 350.50 | 629.50 | 681.00 | 987.00 | 1121.00 | 1303.50 | 1283.00 | 991.00 | 712.50 | 467.00 | 153.50 | 8819.50 | |||||||||||||
2008 | 59.00 | x | 327.50 | 537.50 | 635.50 | 947.50 | 1158.50 | 1360.50 | 1341.00 | 1107.50 | 801.00 | 477.50 | 140.50 | 8834.50 | ||||||||||||
2009 | 222.50 | 321.00 | 495.00 | 646.50 | 1083.00 | 1069.00 | 1369.50 | 1252.00 | 1156.50 | 710.00 | 384.00 | 216.00 | 8925.00 | |||||||||||||
2010 | 246.50 | 343.50 | 476.00 | 531.50 | 797.50 | 1106.50 | 1314.50 | 1201.00 | 1045.50 | 819.50 | 372.00 | 326.50 | 8580.50 | |||||||||||||
2011 | 173.50 | 244.00 | 485.00 | 616.00 | 765.00 | 1075.50 | 1306.00 | 1285.00 | 1169.00 | 843.00 | 405.00 | 137.00 | 8504.00 | |||||||||||||
2012 | 296.00 | 395.80 | b | 520.00 | 699.00 | 987.00 | 1117.50 | 1272.00 | 0.00 | z | 1164.50 | 813.00 | 476.00 | 274.50 | 8015.30 | |||||||||||
2013 | 181.50 | 295.00 | 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 | 476.50 | |||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 194.65 | 314.47 | 497.55 | 647.21 | 912.39 | 1087.42 | 1298.02 | 1240.67 | 1043.42 | 778.74 | 400.03 | 194.86 | 8600.88 | |||||||||||||
S.D. | 89.47 | 76.35 | 83.10 | 89.29 | 92.09 | 75.95 | 68.92 | 60.71 | 71.30 | 79.78 | 73.88 | 83.30 | 358.68 | |||||||||||||
SKEW | 0.76 | 0.40 | 0.07 | -0.30 | -0.06 | -0.13 | -0.14 | 0.23 | -0.08 | 0.56 | 0.83 | 0.83 | 0.36 | |||||||||||||
MAX | 539.00 | 593.50 | 705.50 | 811.50 | 1152.50 | 1269.00 | 1461.00 | 1439.50 | 1192.00 | 1026.00 | 696.00 | 484.50 | 9671.50 | |||||||||||||
MIN | 30.00 | 150.64 | 322.00 | 359.00 | 689.00 | 904.00 | 1105.00 | 1063.50 | 868.00 | 624.00 | 245.00 | 42.50 | 7822.00 | |||||||||||||
NO YRS | 69 | 72 | 72 | 71 | 70 | 70 | 72 | 70 | 72 | 72 | 72 | 71 | 60 |