YEAR(S | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1923 | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 1113.50 | 1283.50 | 0.00 | z | 854.50 | 0.00 | z | 0.00 | z | 3.32 | c | 3254.82 | ||||
1924 | 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 | 664.29 | c | 259.82 | b | 0.00 | z | 924.11 | |
1925 | 0.00 | z | 0.00 | z | 438.81 | b | 0.00 | z | 920.00 | 1113.50 | 1266.50 | 1087.50 | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 4826.31 | |||||
1926 | 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 | z | 0.00 | |
1927 | 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 | z | 0.00 | |
1928 | 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 | z | 0.00 | |
1929 | 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 | z | 0.00 | |
1930 | 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 | 90.00 | t | 3.00 | z | 0.00 | z | 0.00 | |
1931 | 1.00 | 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 | z | 0.00 | |
1932 | 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 | z | 0.00 | |
1933 | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 1007.40 | e | 0.00 | z | 0.00 | z | 0.00 | z | 1007.40 | |
1934 | 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 | z | 0.00 | |
1935 | 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 | z | 0.00 | |
1936 | 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 | z | 0.00 | |
1937 | 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 | z | 0.00 | |
1938 | 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 | z | 0.00 | |
1939 | 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 | z | 0.00 | |
1940 | 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 | z | 0.00 | |
1941 | 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 | z | 0.00 | |
1942 | 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 | 313.00 | t | 0.00 | z | 0.00 | z | 0.00 | |
1943 | 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 | z | 0.00 | |
1944 | 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 | z | 0.00 | |
1945 | 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 | z | 0.00 | |
1946 | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 874.50 | 0.00 | z | 0.00 | z | 0.00 | z | 874.50 | ||
1947 | 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 | 466.50 | j | 0.00 | z | 0.00 | z | 0.00 | |
1948 | 93.00 | h | 0.00 | z | 0.00 | z | 557.00 | f | 760.50 | g | 1178.65 | d | 1295.11 | d | 991.00 | f | 1046.40 | e | 609.00 | f | 0.00 | z | 0.00 | z | 3520.17 | |
1949 | 83.50 | h | 145.50 | f | 330.50 | f | 653.40 | e | 700.50 | f | 1085.19 | d | 977.00 | f | 1157.33 | d | 723.50 | i | 393.00 | j | 279.50 | j | 102.00 | j | 2895.93 | |
1950 | 86.50 | o | 174.50 | i | 324.50 | h | 461.50 | j | 603.50 | i | 526.00 | p | 749.00 | k | 820.00 | h | 644.50 | j | 626.50 | i | 281.00 | j | 130.00 | k | 0.00 | |
1951 | 80.00 | i | 115.50 | i | 250.50 | j | 316.50 | m | 608.50 | i | 297.00 | v | 927.00 | i | 837.50 | i | 630.50 | l | 564.00 | h | 205.00 | j | 97.00 | l | 0.00 | |
1952 | 150.50 | i | 69.00 | j | 149.50 | k | 432.50 | h | 638.00 | j | 792.50 | i | 712.00 | m | 702.00 | m | 542.00 | n | 462.50 | k | 110.00 | n | 22.50 | n | 0.00 | |
1953 | 96.00 | m | 88.50 | k | 225.50 | m | 370.50 | j | 469.00 | l | 875.50 | g | 797.00 | j | 642.00 | n | 569.50 | l | 471.00 | i | 198.00 | n | 32.50 | l | 0.00 | |
1954 | 106.00 | l | 178.00 | j | 237.50 | l | 444.50 | k | 562.00 | l | 711.50 | j | 829.00 | j | 715.50 | j | 707.00 | i | 433.50 | n | 221.00 | l | 120.50 | j | 0.00 | |
1955 | 27.50 | l | 81.50 | m | 306.50 | g | 525.00 | a | 750.89 | d | 1076.67 | c | 1145.93 | b | 1101.50 | 934.82 | b | 736.25 | a | 284.40 | e | 158.50 | 6713.96 | |||
1956 | 162.50 | 113.00 | 379.00 | 490.56 | c | 856.12 | a | 1146.50 | 1144.79 | c | 1064.52 | c | 971.90 | a | 668.71 | c | 173.89 | c | 84.98 | b | 7256.46 | |||||
1957 | 231.47 | a | 386.75 | d | 287.50 | j | 394.50 | j | 0.00 | z | 341.50 | v | 1201.00 | 1060.00 | 858.21 | b | 562.65 | a | 175.18 | b | 30.50 | o | 4475.26 | |||
1958 | 60.45 | a | 217.78 | a | 241.50 | 540.54 | b | 935.68 | a | 1181.00 | 875.50 | i | 1142.72 | b | 923.89 | c | 600.50 | 240.50 | f | 0.00 | z | 5844.06 | ||||
1959 | 76.00 | o | 27.50 | w | 321.88 | a | 631.07 | b | 847.33 | d | 483.50 | p | 1203.83 | a | 1071.64 | b | 905.89 | b | 646.02 | c | 240.00 | b | 123.47 | b | 5991.14 | |
1960 | 75.95 | a | 107.88 | d | 448.47 | a | 625.86 | a | 788.43 | a | 935.00 | f | 851.00 | k | 120.00 | z | 673.50 | k | 404.00 | j | 234.00 | i | 34.00 | i | 2046.59 | |
1961 | 56.00 | i | 109.50 | i | 306.50 | i | 407.50 | l | 651.50 | j | 853.00 | h | 800.50 | k | 836.50 | h | 583.00 | k | 418.00 | j | 132.00 | j | 91.00 | f | 0.00 | |
1962 | 91.00 | 262.00 | 233.00 | 675.00 | 829.50 | 1004.50 | 1148.00 | 1192.00 | 992.00 | 724.50 | 407.00 | 133.50 | 7692.00 | |||||||||||||
1963 | 80.50 | 237.50 | 389.50 | 581.50 | 918.50 | 1035.50 | 1250.50 | 1060.00 | 944.00 | 704.00 | 313.50 | 74.50 | 7589.50 | |||||||||||||
1964 | 70.00 | 53.00 | 301.50 | 534.00 | 839.00 | 1044.00 | 1235.50 | 1127.50 | 879.50 | 661.00 | 266.50 | 129.00 | 7140.50 | |||||||||||||
1965 | 159.00 | 150.00 | 297.50 | 565.00 | 789.50 | 964.50 | 1186.00 | 1118.00 | 859.00 | 615.50 | 417.50 | 114.00 | 7235.50 | |||||||||||||
1966 | 21.00 | 49.00 | 382.50 | 574.50 | 902.50 | 1067.50 | 1267.00 | 1138.00 | 925.50 | 624.00 | 414.50 | 126.00 | 7492.00 | |||||||||||||
1967 | 118.50 | 235.50 | 499.00 | 595.00 | 808.00 | 1041.50 | 1230.00 | 1111.00 | 918.00 | 688.50 | 345.00 | 83.00 | 7673.00 | |||||||||||||
1968 | 117.00 | 272.00 | 356.50 | 501.50 | 857.00 | 1107.50 | 1127.50 | 1060.00 | 920.50 | 723.50 | 295.00 | 86.00 | 7424.00 | |||||||||||||
1969 | 231.50 | 168.50 | 258.50 | 645.00 | 860.52 | b | 766.00 | i | 1261.81 | d | 1280.96 | c | 762.50 | g | 415.00 | i | 249.23 | d | 144.15 | a | 5100.18 | |||||
1970 | 133.96 | c | 125.00 | m | 326.57 | b | 495.00 | c | 623.00 | i | 1088.33 | c | 1254.50 | 1135.00 | 930.00 | c | 288.00 | o | 241.00 | j | 168.78 | d | 5532.14 | |||
1971 | 210.00 | 62.00 | n | 460.23 | e | 300.50 | l | 499.00 | l | 1067.31 | d | 869.00 | j | 358.50 | u | 0.00 | z | 0.00 | z | 113.00 | m | 88.41 | d | 1825.95 | ||
1972 | 64.00 | n | 234.50 | 562.28 | b | 644.42 | d | 843.00 | 1088.40 | e | 839.00 | j | 792.00 | h | 320.50 | t | 698.00 | 106.00 | j | 99.00 | g | 4070.60 | ||||
1973 | 55.59 | b | 126.00 | f | 235.82 | c | 278.50 | i | 641.50 | g | 1077.32 | b | 1222.20 | d | 1117.03 | a | 642.50 | k | 662.50 | 365.89 | b | 94.72 | d | 4831.08 | ||
1974 | 124.00 | 120.00 | 477.50 | 619.00 | 712.50 | g | 1210.50 | 1161.00 | 799.00 | i | 286.00 | r | 638.00 | 286.67 | c | 65.00 | 4701.67 | |||||||||
1975 | 128.00 | 149.00 | 342.00 | 438.50 | 493.00 | i | 1035.50 | 483.50 | r | 1173.00 | 856.00 | 629.00 | 275.00 | 116.50 | 5142.50 | |||||||||||
1976 | 72.50 | 303.00 | 355.50 | 525.00 | c | 100.50 | z | 725.00 | j | 1125.00 | 1087.00 | 833.50 | 482.00 | 148.50 | i | 35.50 | 4819.00 | |||||||||
1977 | 57.00 | 169.50 | 231.00 | 559.50 | 769.00 | 1066.00 | 1189.50 | 1188.00 | 990.00 | 701.00 | 309.00 | 194.50 | 7424.00 | |||||||||||||
1978 | 146.50 | 146.00 | 428.00 | 586.00 | 839.00 | 1117.00 | 1245.50 | 1118.50 | 918.50 | 668.50 | 356.00 | 115.00 | 7684.50 | |||||||||||||
1979 | 60.50 | 172.50 | 291.50 | 572.00 | 787.50 | 1030.50 | 1222.50 | 1065.50 | 933.00 | 764.50 | 195.50 | 108.50 | 7204.00 | |||||||||||||
1980 | 166.50 | 252.50 | 318.50 | 533.00 | 785.00 | 1176.00 | 1289.50 | 1109.00 | 960.50 | 557.48 | a | 277.00 | 209.00 | 7633.98 | ||||||||||||
1981 | 129.00 | 239.00 | 313.50 | 615.50 | 836.00 | 1134.50 | 1165.50 | 1112.00 | 946.50 | 644.50 | 356.00 | 186.00 | 7678.00 | |||||||||||||
1982 | 174.50 | 200.00 | 367.00 | 578.00 | 802.00 | 1051.00 | 1194.00 | 1179.50 | 991.00 | 625.50 | 284.00 | 75.00 | 7521.50 | |||||||||||||
1983 | 105.00 | 176.50 | 304.50 | 384.50 | 784.50 | 1012.00 | 1181.50 | 1161.00 | 1020.00 | 672.50 | 290.50 | 156.00 | 7248.50 | |||||||||||||
1984 | 89.00 | 96.50 | 355.00 | 470.00 | 952.50 | 1055.50 | 1170.50 | 1062.00 | 940.00 | 564.00 | 254.50 | 156.00 | 7165.50 | |||||||||||||
1985 | 52.50 | 136.00 | 368.00 | 585.00 | 856.00 | 1097.00 | 1207.50 | 1133.00 | 875.50 | 599.50 | 294.50 | 95.00 | 7299.50 | |||||||||||||
1986 | 144.50 | 218.50 | 414.00 | 624.50 | 836.50 | 1035.00 | 786.50 | i | 1123.50 | 878.00 | 564.50 | 203.50 | 55.50 | 6098.00 | ||||||||||||
1987 | 99.00 | 141.50 | 264.00 | 541.00 | 766.50 | 1060.00 | 1176.50 | 1092.50 | 876.50 | 772.00 | 251.00 | 104.50 | 7145.00 | |||||||||||||
1988 | 88.00 | 208.50 | 299.00 | 516.00 | 809.50 | 1071.50 | 1183.50 | 1063.30 | a | 868.50 | 745.50 | 319.50 | 88.50 | 7261.30 | ||||||||||||
1989 | 83.50 | 285.50 | 504.50 | 719.50 | 912.50 | 1094.00 | 1253.50 | 1150.00 | 976.00 | 673.50 | 325.50 | 56.00 | 8034.00 | |||||||||||||
1990 | 97.50 | 153.50 | 401.50 | 670.00 | 844.50 | 1243.00 | 1174.50 | 1048.50 | 983.50 | 617.00 | 309.00 | 102.00 | 7644.50 | |||||||||||||
1991 | 81.50 | 231.50 | 275.00 | 512.00 | 787.00 | 981.50 | 1164.50 | 1111.00 | 890.50 | 680.50 | 229.50 | 113.00 | 7057.50 | |||||||||||||
1992 | 32.50 | 189.00 | 356.50 | 599.00 | 801.50 | 1013.00 | 1163.00 | 1117.50 | 996.00 | 724.00 | 188.50 | 143.50 | 7324.00 | |||||||||||||
1993 | 195.00 | 173.00 | 359.50 | 561.00 | 895.00 | 1091.00 | 1241.50 | 1177.50 | 987.00 | 654.00 | 265.50 | 132.00 | 7732.00 | |||||||||||||
1994 | 96.00 | 192.00 | 436.50 | 599.00 | 864.50 | 1245.00 | 1299.00 | 1280.00 | 1016.50 | 696.00 | 328.50 | 156.50 | 8209.50 | |||||||||||||
1995 | 132.00 | 305.00 | 365.00 | 469.00 | 778.00 | 1040.50 | 1236.50 | 1254.50 | 1016.50 | 733.00 | 416.50 | 158.00 | 7904.50 | |||||||||||||
1996 | 158.00 | 321.50 | 383.50 | 632.50 | 1003.00 | 1161.00 | 1261.50 | 1144.50 | 906.50 | 675.50 | 329.00 | 153.50 | 8130.00 | |||||||||||||
1997 | 128.00 | 168.50 | 429.50 | 531.00 | 962.50 | 1072.00 | 1230.50 | 1201.00 | 1090.50 | 637.50 | 315.50 | 63.00 | 7829.50 | |||||||||||||
1998 | 132.00 | 124.00 | 326.50 | 437.00 | 851.50 | 1069.50 | 1230.50 | 1208.00 | 0.00 | z | 735.50 | 0.00 | z | 192.00 | 6306.50 | |||||||||||
1999 | 209.50 | 280.50 | 476.50 | 538.00 | 911.50 | 1062.50 | 1153.00 | 311.00 | w | 1034.48 | a | 764.00 | 498.50 | 121.50 | 7049.98 | |||||||||||
2000 | 273.50 | 355.25 | a | 456.50 | 781.00 | 1091.00 | 1137.86 | b | 1271.50 | 1200.22 | a | 1092.50 | 661.50 | 179.50 | 171.00 | 8671.32 | ||||||||||
2001 | 88.00 | 229.00 | 426.00 | 621.00 | 1022.48 | a | 1212.00 | 1221.92 | a | 1154.75 | a | 1056.00 | 839.58 | a | 446.00 | 110.50 | 8427.23 | |||||||||
2002 | 166.00 | 206.50 | 433.00 | 791.50 | 968.50 | 1220.50 | 1258.50 | 1227.50 | 1026.00 | 662.00 | 367.50 | 115.50 | 8443.00 | |||||||||||||
2003 | 263.00 | 253.00 | 395.00 | 642.00 | 1002.00 | 1172.50 | 1355.50 | 1242.00 | 1081.00 | 875.50 | 406.50 | 106.00 | q | 8688.00 | ||||||||||||
2004 | 172.88 | e | 170.00 | 557.50 | 598.50 | 973.00 | 1156.50 | 1246.50 | 1142.00 | 953.00 | 720.50 | 274.00 | 151.50 | 8115.88 | ||||||||||||
2005 | 231.00 | 221.00 | 351.50 | 622.00 | 965.50 | 1172.50 | 1335.00 | 1171.50 | 1071.50 | 741.50 | 448.00 | 228.00 | 8559.00 | |||||||||||||
2006 | 223.00 | 318.00 | 442.50 | 723.50 | 1000.50 | 1079.00 | 1265.00 | 1054.00 | 859.50 | 659.00 | 433.00 | 112.00 | 8169.00 | |||||||||||||
2007 | 86.00 | 95.50 | 470.00 | 646.50 | 958.50 | 1205.00 | 1178.00 | 1143.50 | 1041.50 | 780.50 | 483.00 | 143.50 | 8231.50 | |||||||||||||
2008 | 158.50 | 275.50 | 446.50 | 659.50 | 881.00 | 1222.50 | 1151.00 | 1108.50 | 930.00 | 708.83 | e | 365.50 | 205.00 | 8112.33 | ||||||||||||
2009 | 199.00 | 304.00 | 502.00 | 616.00 | 1017.50 | 1061.50 | 1297.50 | 1200.00 | 952.20 | e | 680.50 | 419.00 | 98.00 | 8347.20 | ||||||||||||
2010 | 78.10 | e | 149.00 | 348.50 | 587.00 | 872.00 | 1065.00 | 1101.10 | e | 901.00 | f | 666.00 | f | 399.42 | e | 212.00 | 270.50 | 5082.62 | ||||||||
2011 | 127.00 | 204.62 | b | 555.93 | a | 737.22 | c | 860.54 | d | 1253.33 | c | 1299.00 | 1243.88 | c | 803.00 | g | 734.91 | b | 317.00 | 79.05 | a | 7412.48 | ||||
2012 | 204.50 | 227.17 | b | 445.50 | 699.83 | a | 976.50 | b | 1260.00 | 1214.50 | 1254.39 | c | 982.24 | a | 773.21 | e | 484.50 | 162.15 | e | 8684.49 | ||||||
2013 | 96.00 | g | 93.00 | g | 318.50 | n | 47.00 | 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 | 130.94 | 204.79 | 382.26 | 589.43 | 877.85 | 1105.80 | 1219.24 | 1142.02 | 953.39 | 674.74 | 317.68 | 124.73 | 7747.24 | |||||||||||||
S.D. | 60.75 | 74.47 | 84.71 | 83.35 | 81.48 | 73.58 | 56.48 | 62.03 | 69.32 | 80.79 | 85.21 | 50.15 | 477.93 | |||||||||||||
SKEW | 0.46 | 0.16 | 0.15 | 0.11 | 0.53 | 0.46 | 0.13 | 0.49 | 0.24 | -0.59 | 0.28 | 0.36 | 0.40 | |||||||||||||
MAX | 273.50 | 386.75 | 562.28 | 791.50 | 1091.00 | 1260.00 | 1355.50 | 1280.96 | 1092.50 | 875.50 | 498.50 | 270.50 | 8684.49 | |||||||||||||
MIN | 21.00 | 49.00 | 231.00 | 384.50 | 750.89 | 964.50 | 1101.10 | 1048.50 | 833.50 | 399.42 | 173.89 | 3.32 | 7057.50 | |||||||||||||
NO YRS | 54 | 52 | 56 | 55 | 51 | 56 | 54 | 53 | 52 | 54 | 51 | 53 | 38 |