YEAR(S | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1937 | 1685.22 | b | 1067.00 | 956.50 | 819.50 | 383.00 | 235.50 | 29.97 | a | 60.00 | 173.00 | 468.10 | a | 768.00 | 934.50 | 7580.29 | ||||||||||
1938 | 1071.00 | 1017.50 | 997.00 | 636.00 | 458.00 | 159.50 | 53.50 | 56.50 | 142.00 | 559.00 | 985.50 | 1054.00 | 7189.50 | |||||||||||||
1939 | 1081.00 | 1067.50 | 810.13 | a | 504.50 | 334.00 | 296.00 | 42.50 | 23.00 | 191.38 | a | 515.12 | a | 757.76 | a | 947.50 | 6570.39 | |||||||||
1940 | 1135.50 | 947.00 | 765.00 | 617.50 | 294.00 | 131.90 | a | 33.07 | a | 12.00 | 234.31 | a | 492.00 | 991.00 | 1019.50 | 6672.77 | ||||||||||
1941 | 1117.00 | 932.00 | 769.00 | 628.97 | a | 419.50 | 288.50 | 37.00 | 123.50 | 374.50 | 589.00 | 801.50 | 1102.00 | 7182.47 | ||||||||||||
1942 | 1379.00 | 1104.00 | 988.50 | 626.00 | 578.67 | a | 326.50 | 38.50 | 78.50 | 188.50 | 499.00 | 935.00 | 1124.50 | 7866.67 | ||||||||||||
1943 | 1314.50 | 987.78 | a | 956.50 | 555.00 | 554.50 | 406.50 | 98.00 | 139.00 | 128.50 | 597.27 | a | 910.00 | 1144.42 | a | 7791.96 | ||||||||||
1944 | 1424.50 | 1118.00 | 998.00 | 757.50 | 523.50 | 407.50 | 131.50 | 165.00 | 282.00 | 462.50 | 1094.50 | 1259.00 | 8623.50 | |||||||||||||
1945 | 1191.00 | 962.00 | 1029.00 | 774.50 | 521.00 | 366.21 | a | 38.50 | 58.00 | 293.50 | 464.50 | 977.00 | 1208.50 | 7883.71 | ||||||||||||
1946 | 1260.50 | 1074.00 | 915.00 | 612.00 | 469.50 | 298.00 | 66.13 | a | 31.00 | 307.00 | 791.50 | 915.50 | 1012.50 | 7752.63 | ||||||||||||
1947 | 1274.50 | 840.00 | 772.00 | 600.50 | 228.00 | 322.00 | 18.00 | 83.50 | 269.00 | 507.50 | 947.50 | 1121.00 | 6983.50 | |||||||||||||
1948 | 1040.10 | b | 1059.50 | 999.00 | 763.00 | 518.50 | 179.00 | 90.93 | a | 110.00 | 330.50 | 556.97 | a | 983.50 | 1369.00 | 8000.00 | ||||||||||
1949 | 1605.50 | 1091.00 | 949.00 | 551.50 | 391.78 | b | 111.50 | n | 78.03 | b | 93.00 | a | 213.10 | a | 775.00 | c | 717.50 | 1269.21 | e | 7734.63 | ||||||
1950 | 1451.00 | 1075.93 | a | 1019.38 | a | 704.44 | c | 560.07 | a | 340.50 | 53.00 | 36.50 | l | 183.00 | o | 450.69 | e | 818.79 | a | 972.37 | a | 7446.17 | ||||
1951 | 1282.50 | 945.26 | a | 1020.50 | 561.72 | a | 432.97 | a | 222.69 | d | 46.50 | d | 95.50 | 161.38 | a | 649.45 | a | 1012.00 | 1323.18 | a | 7753.66 | |||||
1952 | 1337.65 | a | 1137.50 | 829.50 | j | 392.00 | g | 423.00 | 285.52 | a | 54.50 | 50.00 | 151.50 | 321.50 | 917.59 | a | 1119.10 | a | 5797.85 | |||||||
1953 | 853.53 | a | 814.50 | 869.00 | 714.00 | 616.00 | 396.00 | 25.50 | 98.50 | 95.40 | e | 340.50 | h | 708.50 | 1029.00 | 6219.93 | ||||||||||
1954 | 1090.17 | a | 808.23 | b | 965.50 | 606.00 | 354.95 | a | 361.00 | 42.00 | 138.47 | a | 267.32 | b | 528.79 | e | 682.00 | 1188.33 | a | 7032.76 | ||||||
1955 | 1286.50 | 1030.40 | c | 933.62 | a | 866.50 | 514.27 | c | 168.00 | 161.20 | a | 12.83 | b | 283.93 | b | 493.33 | b | 925.86 | a | 1048.32 | a | 7724.75 | ||||
1956 | 1115.50 | 1128.00 | 883.50 | b | 540.50 | 393.91 | b | 319.00 | 53.73 | a | 81.52 | d | 195.00 | 530.21 | b | 812.88 | d | 1066.92 | a | 7120.67 | ||||||
1957 | 1416.18 | a | 908.83 | d | 853.53 | a | 641.00 | 417.50 | 180.50 | 76.47 | a | 108.50 | 154.44 | c | 678.68 | c | 965.36 | b | 1038.00 | 7439.00 | ||||||
1958 | 1172.50 | 826.50 | 1029.20 | a | 744.50 | 271.00 | 225.00 | a | 40.00 | 18.00 | 306.00 | 448.00 | 868.27 | d | 954.00 | 6902.97 | ||||||||||
1959 | 1052.50 | 948.37 | a | 873.50 | 574.82 | b | 580.50 | 182.50 | 66.00 | 97.00 | 360.52 | a | 513.00 | 770.89 | b | 1187.54 | e | 7207.14 | ||||||||
1960 | 947.00 | g | 1099.41 | a | 819.95 | a | 680.00 | 576.00 | 169.50 | 21.50 | 148.00 | 150.00 | 518.98 | b | 932.50 | 1125.09 | b | 6240.93 | ||||||||
1961 | 1060.00 | 805.78 | a | 879.88 | a | 645.60 | e | 577.00 | 100.50 | 17.50 | 7.50 | 364.50 | 523.38 | a | 939.50 | 1162.50 | a | 7083.64 | ||||||||
1962 | 1336.62 | a | 998.00 | 1021.28 | d | 515.00 | c | 564.00 | 209.50 | 93.50 | 82.50 | g | 125.50 | g | 552.00 | 813.62 | a | 1011.38 | c | 7114.89 | ||||||
1963 | 871.00 | i | 697.93 | a | 884.00 | 804.00 | 417.00 | 281.50 | 113.00 | 82.00 | 116.50 | 475.00 | 568.50 | j | 1053.48 | a | 4924.41 | |||||||||
1964 | 1199.18 | a | 1021.21 | a | 1026.62 | a | 731.50 | 538.22 | b | 302.31 | d | 51.67 | d | 113.84 | b | 267.93 | a | 407.65 | a | 919.04 | d | 1111.19 | b | 7690.37 | ||
1965 | 1142.50 | 845.00 | 918.63 | a | 630.50 | 532.17 | d | 228.21 | b | 65.10 | a | 126.21 | c | 347.07 | a | 317.50 | f | 802.50 | 1174.42 | e | 6812.32 | |||||
1966 | 1188.85 | a | 1022.00 | a | 636.50 | g | 600.56 | c | 319.41 | c | 148.50 | o | 97.50 | 78.50 | 187.76 | a | 538.37 | a | 822.93 | a | 1149.14 | b | 6005.01 | |||
1967 | 1084.48 | a | 686.00 | f | 995.00 | 899.48 | a | 460.50 | 216.21 | a | 7.00 | 12.92 | a | 126.96 | b | 587.21 | e | 497.50 | i | 1206.70 | d | 5596.47 | ||||
1968 | 1204.35 | a | 814.50 | 801.50 | 769.50 | 501.50 | 229.14 | a | 45.00 | 207.50 | 257.00 | 611.00 | 899.50 | 1136.15 | a | 7476.64 | ||||||||||
1969 | 0.00 | z | 1034.50 | 610.50 | k | 663.50 | 353.50 | 210.00 | 80.50 | 94.50 | 192.78 | c | 725.50 | 828.50 | 1047.28 | a | 5230.56 | |||||||||
1970 | 1097.50 | 831.70 | a | 961.00 | 870.00 | 460.50 | 212.50 | 35.00 | 12.00 | 392.50 | 664.00 | 867.00 | 856.00 | j | 6403.70 | |||||||||||
1971 | 821.00 | g | 916.00 | 1044.18 | a | 739.14 | a | 486.00 | 336.50 | 91.50 | 30.00 | 377.50 | 691.00 | 923.50 | 1257.16 | c | 6892.48 | |||||||||
1972 | 1229.67 | a | 985.50 | 781.00 | 770.50 | 412.50 | 145.00 | c | 63.55 | a | 103.50 | 431.79 | b | 565.00 | 914.50 | 1359.50 | 7762.00 | |||||||||
1973 | 1239.50 | 905.85 | a | 924.00 | 667.00 | 339.97 | a | 188.79 | a | 50.00 | 62.00 | a | 255.50 | 578.00 | 946.00 | 1033.00 | 7189.61 | |||||||||
1974 | 1256.00 | 949.50 | 940.00 | 744.00 | 540.50 | 125.50 | 99.00 | 82.50 | 108.50 | 491.50 | 851.00 | 1085.00 | b | 7273.00 | ||||||||||||
1975 | 1134.94 | d | 660.50 | i | 399.50 | r | 867.69 | d | 457.54 | d | 212.50 | 42.00 | f | 117.28 | a | 81.50 | 593.00 | 828.46 | d | 670.00 | i | 4292.92 | ||||
1976 | 776.00 | g | 780.00 | f | 939.00 | 732.41 | a | 360.93 | c | 316.50 | 41.00 | 181.00 | 184.50 | 493.23 | c | 666.72 | a | 967.50 | 4882.80 | |||||||
1977 | 1288.50 | 827.00 | 976.50 | 528.50 | 661.00 | 104.00 | 78.00 | 88.50 | 311.00 | 498.00 | 910.86 | a | 1043.50 | 7315.36 | ||||||||||||
1978 | 1116.50 | 934.00 | 722.50 | 0.00 | z | 586.00 | 215.00 | 53.50 | 139.00 | 327.93 | a | 396.50 | 976.00 | 1269.50 | 6736.43 | |||||||||||
1979 | 1419.80 | a | 953.62 | b | 561.00 | h | 697.50 | 387.50 | 184.50 | 58.00 | 81.50 | 118.00 | 407.50 | 986.00 | 1070.50 | 6364.42 | ||||||||||
1980 | 1201.50 | 867.00 | 926.00 | 600.00 | 481.00 | 329.48 | a | 50.50 | 97.50 | 224.50 | 541.47 | a | 837.12 | d | 716.00 | g | 6156.06 | |||||||||
1981 | 666.00 | l | 956.00 | 841.00 | 659.46 | b | 571.20 | d | 277.00 | 125.03 | a | 6.00 | 235.00 | 650.45 | c | 600.00 | g | 606.50 | n | 4321.15 | ||||||
1982 | 127.00 | z | 0.00 | z | 217.00 | x | 366.00 | p | 297.50 | n | 194.50 | 112.50 | 55.80 | a | 317.00 | 644.00 | 615.50 | k | 448.00 | t | 1323.80 | |||||
1983 | 288.50 | v | 318.50 | r | 417.50 | p | 182.00 | w | 428.32 | a | 251.38 | a | 170.50 | 57.87 | a | 253.50 | 295.50 | l | 477.50 | n | 657.50 | n | 1161.56 | |||
1984 | 684.50 | n | 441.50 | q | 331.00 | s | 387.50 | p | 224.00 | s | 178.00 | m | 7.50 | k | 7.00 | o | 73.00 | u | 70.50 | z | 397.00 | q | 1336.00 | 1336.00 | ||
1985 | 1339.00 | 1094.50 | 1026.50 | 524.00 | 414.50 | 99.50 | o | 8.00 | 82.50 | 195.00 | p | 25.50 | z | 548.50 | r | 944.50 | j | 4489.00 | ||||||||
1986 | 1093.00 | 829.50 | 715.58 | a | 719.50 | 498.50 | 109.00 | 113.00 | 6.50 | 455.50 | 467.50 | 804.50 | 1146.50 | 6958.58 | ||||||||||||
1987 | 1249.50 | 907.00 | 868.00 | 478.00 | 358.50 | 161.50 | 147.50 | 55.00 | 128.00 | 297.50 | 663.00 | i | 1162.00 | 5812.50 | ||||||||||||
1988 | 1275.00 | 875.50 | 866.00 | 600.50 | 482.00 | 253.00 | 33.00 | 43.00 | 278.00 | 237.50 | 912.50 | 1198.50 | 7054.50 | |||||||||||||
1989 | 1240.50 | 1260.00 | a | 869.00 | 542.00 | 489.50 | 124.50 | 43.50 | 125.00 | 205.50 | 540.50 | 785.50 | 991.50 | 7217.00 | ||||||||||||
1990 | 1025.00 | 986.00 | 795.50 | 438.00 | 541.00 | 227.50 | 46.00 | 101.00 | 68.50 | 574.50 | 846.50 | 0.00 | z | 5649.50 | ||||||||||||
1991 | 1091.50 | 718.50 | 915.00 | 714.00 | 565.00 | 339.00 | 19.00 | 16.00 | 106.50 | 445.00 | 887.50 | 1074.00 | 6891.00 | |||||||||||||
1992 | 1099.00 | 777.00 | 667.00 | 525.00 | 204.00 | 127.50 | 100.50 | 73.88 | a | 213.00 | 424.50 | 995.50 | 1273.50 | 6480.38 | ||||||||||||
1993 | 1412.50 | 1229.00 | 896.00 | 716.50 | 351.50 | 338.50 | 264.50 | 143.12 | a | 177.00 | 444.50 | 1029.50 | 0.00 | z | 7002.62 | |||||||||||
1994 | 0.00 | z | 983.00 | 730.00 | 577.50 | 361.50 | 203.50 | 30.00 | 19.50 | 123.50 | 574.50 | 1110.00 | 1156.50 | 5869.50 | ||||||||||||
1995 | 1093.00 | 709.00 | 885.00 | 723.50 | 456.00 | 286.50 | 54.00 | 119.50 | 156.00 | 573.50 | 705.50 | 1119.00 | 6880.50 | |||||||||||||
1996 | 1080.50 | 1026.50 | 832.50 | 645.50 | 536.00 | 0.00 | z | 43.00 | 62.50 | 298.50 | 568.00 | 845.00 | 1053.00 | 6991.00 | ||||||||||||
1997 | 1172.32 | a | 961.50 | 839.50 | 730.50 | 296.00 | 246.50 | 86.50 | 22.00 | 207.50 | 620.00 | 891.00 | 1226.05 | a | 7299.37 | |||||||||||
1998 | 1036.00 | 993.00 | 923.50 | 765.50 | 564.00 | 260.00 | 3.50 | 29.50 | 140.00 | 607.00 | 0.00 | z | 1131.00 | 6453.00 | ||||||||||||
1999 | 1003.50 | 997.50 | 928.00 | 0.00 | z | 522.00 | 290.69 | a | 102.00 | 63.00 | 271.55 | a | 415.50 | 685.34 | a | 1073.12 | a | 6352.20 | ||||||||
2000 | 706.50 | l | 981.54 | c | 877.96 | c | 568.89 | c | 452.50 | 126.00 | f | 39.50 | k | 0.00 | z | 167.50 | i | 376.00 | h | 520.00 | p | 687.50 | l | 2880.89 | ||
2001 | 876.50 | j | 735.50 | i | 475.00 | n | 425.50 | m | 265.00 | 187.00 | m | 22.00 | l | 1.50 | l | 121.73 | d | 443.96 | c | 840.00 | 1195.16 | c | 2865.86 | |||
2002 | 1145.00 | 1013.50 | 634.50 | i | 622.50 | 539.40 | a | 245.50 | 1.50 | 28.50 | n | 156.00 | 604.50 | 799.00 | 1040.50 | 6167.40 | ||||||||||
2003 | 914.00 | 863.00 | 646.50 | 711.00 | 458.50 | 184.50 | 9.50 | h | 4.50 | j | 112.50 | m | 389.00 | 758.50 | f | 1079.04 | e | 5245.54 | ||||||||
2004 | 1212.00 | 831.00 | f | 533.00 | g | 572.00 | 309.00 | j | 157.50 | f | 7.50 | h | 46.00 | h | 148.00 | j | 392.50 | g | 617.50 | h | 718.50 | i | 1784.00 | |||
2005 | 950.00 | f | 906.00 | 609.50 | f | 487.50 | h | 292.50 | i | 223.00 | h | 3.50 | l | 30.00 | k | 131.00 | j | 357.00 | i | 660.50 | h | 811.00 | k | 906.00 | ||
2006 | 614.00 | m | 629.00 | j | 686.00 | i | 521.50 | l | 312.00 | o | 99.00 | j | 11.50 | l | 53.00 | i | 174.00 | o | 336.50 | k | 517.00 | l | 662.00 | m | 0.00 | |
2007 | 766.50 | l | 645.00 | h | 494.50 | k | 328.50 | o | 224.50 | o | 160.50 | k | 7.50 | s | 12.00 | n | 216.00 | m | 416.50 | l | 461.50 | n | 630.00 | m | 0.00 | |
2008 | 919.00 | i | 708.50 | g | 662.50 | j | 561.50 | i | 290.50 | l | 153.00 | k | 9.00 | j | 37.50 | j | 117.00 | h | 314.50 | i | 407.00 | n | 808.00 | i | 0.00 | |
2009 | 676.50 | k | 692.50 | h | 643.00 | j | 438.00 | k | 299.00 | k | 114.50 | j | 25.00 | i | 42.00 | l | 136.00 | i | 483.50 | j | 619.50 | i | 861.50 | j | 0.00 | |
2010 | 604.50 | m | 593.50 | j | 618.50 | i | 510.50 | j | 415.50 | k | 182.00 | k | 38.00 | m | 99.50 | i | 123.00 | i | 485.50 | 964.00 | 1172.00 | 2621.50 | ||||
2011 | 1169.00 | 996.50 | 948.50 | 805.18 | b | 649.00 | 351.00 | 71.50 | 8.50 | 100.50 | 515.93 | c | 0.00 | z | 1101.00 | 6716.61 | ||||||||||
2012 | 1051.93 | a | 961.00 | 877.19 | d | 622.00 | 468.00 | 269.50 | 11.00 | 14.39 | c | 74.50 | 493.50 | 863.50 | 1150.00 | 6856.51 | ||||||||||
2013 | 1392.00 | 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 | 0.00 | z | 1392.00 | ||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 1202.23 | 959.12 | 895.96 | 663.77 | 458.55 | 244.45 | 65.20 | 75.87 | 222.44 | 527.60 | 877.53 | 1123.90 | 7314.91 | |||||||||||||
S.D. | 154.81 | 118.37 | 96.65 | 104.86 | 102.30 | 79.47 | 45.76 | 48.24 | 95.06 | 103.16 | 100.10 | 103.56 | 460.62 | |||||||||||||
SKEW | 0.67 | -0.01 | -0.56 | 0.18 | -0.38 | 0.13 | 1.63 | 0.36 | 0.41 | 0.01 | -0.10 | 0.41 | 0.53 | |||||||||||||
MAX | 1685.22 | 1260.00 | 1044.18 | 899.48 | 661.00 | 407.50 | 264.50 | 207.50 | 455.50 | 791.50 | 1110.00 | 1369.00 | 8623.50 | |||||||||||||
MIN | 853.53 | 697.93 | 646.50 | 438.00 | 204.00 | 100.50 | 1.50 | 6.00 | 68.50 | 237.50 | 666.72 | 934.50 | 6480.38 | |||||||||||||
NO YRS | 59 | 63 | 59 | 63 | 67 | 62 | 64 | 62 | 63 | 64 | 58 | 60 | 34 |