YEAR(S | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1931 | 825.00 | k | 870.00 | f | 639.50 | g | 280.00 | n | 258.69 | b | 112.78 | c | 10.00 | 14.00 | 154.50 | i | 348.50 | i | 1052.50 | 1319.29 | e | 2767.26 | ||||
1932 | 1199.50 | f | 1274.39 | b | 615.00 | h | 469.00 | 266.50 | g | 57.41 | a | 46.00 | 49.00 | 197.31 | d | 470.50 | h | 899.48 | a | 1365.60 | b | 4358.20 | ||||
1933 | 1358.63 | e | 1310.50 | 906.75 | a | 518.04 | b | 383.00 | f | 159.44 | c | 21.00 | 10.50 | i | 275.50 | i | 570.63 | d | 841.80 | e | 914.50 | f | 5686.79 | |||
1934 | 1269.00 | 599.00 | k | 630.00 | f | 324.00 | 271.50 | 89.50 | 28.33 | b | 19.24 | b | 292.50 | f | 537.00 | 799.00 | 1296.00 | 4633.57 | ||||||||
1935 | 1368.65 | a | 1069.38 | b | 1010.50 | 614.00 | 334.50 | 89.50 | f | 53.50 | f | 64.00 | 175.00 | 608.00 | 1089.83 | a | 1308.00 | 7641.86 | ||||||||
1936 | 1406.88 | a | 1705.00 | 1003.00 | 470.69 | a | 210.00 | 127.00 | 12.00 | 8.50 | 265.50 | 484.50 | 1073.00 | 1285.47 | a | 8051.54 | ||||||||||
1937 | 1894.10 | a | 1323.54 | b | 919.00 | 661.00 | 361.50 | 141.00 | 8.00 | 87.50 | 163.00 | 491.00 | 870.00 | 1258.08 | a | 8177.72 | ||||||||||
1938 | 0.00 | z | 404.00 | q | 0.00 | z | 0.00 | z | 323.00 | 76.50 | 8.50 | 41.50 | 86.00 | 510.50 | 1013.00 | 1355.22 | a | 3414.22 | ||||||||
1939 | 1219.50 | 1172.89 | a | 949.08 | e | 456.43 | b | 285.50 | 178.00 | 22.50 | 22.50 | 170.50 | 533.50 | 872.50 | 1109.28 | a | 6992.18 | |||||||||
1940 | 1299.42 | a | 1054.50 | 761.50 | 457.00 | 255.50 | 65.00 | 5.50 | 11.00 | 98.00 | 461.00 | 1041.00 | 1198.67 | a | 6708.08 | |||||||||||
1941 | 1275.00 | 983.00 | 687.00 | 396.00 | 329.50 | 120.50 | 3.50 | 75.00 | 329.00 | 560.00 | 829.50 | 1234.00 | 6822.00 | |||||||||||||
1942 | 1431.17 | a | 1041.50 | 884.50 | 465.00 | 378.00 | 200.00 | 21.50 | 40.50 | 133.50 | 496.50 | 1066.50 | 1356.25 | a | 7514.92 | |||||||||||
1943 | 1644.00 | 1105.00 | 1057.00 | 467.00 | 423.09 | d | 206.00 | 38.50 | 37.50 | h | 137.00 | 516.00 | 879.50 | 1235.00 | 7708.09 | |||||||||||
1944 | 1391.79 | b | 1100.50 | 919.00 | 504.00 | 318.00 | 99.50 | 40.00 | 30.00 | 163.50 | 400.50 | 895.00 | 1408.00 | 7269.79 | ||||||||||||
1945 | 1275.02 | d | 961.50 | 896.00 | 456.50 | i | 306.38 | a | 164.50 | 19.12 | a | 20.00 | 247.50 | 483.60 | a | 1069.00 | 1322.15 | a | 6764.77 | |||||||
1946 | 1319.50 | 1133.50 | 716.50 | f | 521.00 | 240.50 | 220.50 | 33.50 | 30.50 | 243.00 | 668.00 | 1113.10 | a | 1350.50 | 6873.60 | |||||||||||
1947 | 1493.50 | 1101.50 | 785.00 | 465.54 | b | 208.50 | 139.50 | 27.79 | b | 0.00 | z | 209.00 | 522.00 | 890.50 | 1189.50 | 7032.33 | ||||||||||
1948 | 1456.00 | 1203.50 | 1023.50 | 652.00 | 386.47 | a | 55.34 | a | 78.02 | a | 81.63 | a | 240.60 | e | 627.48 | b | 980.50 | 1626.00 | 8411.04 | |||||||
1949 | 1847.50 | 1280.50 | 889.70 | a | 481.50 | 213.00 | 149.00 | 39.78 | a | 44.00 | 181.50 | 657.00 | 769.14 | a | 1333.00 | 7885.62 | ||||||||||
1950 | 1985.00 | 1117.00 | 930.00 | 644.00 | 361.50 | 131.90 | a | 16.53 | a | 7.23 | a | 166.07 | b | 622.50 | 973.00 | 1113.93 | a | 8068.67 | ||||||||
1951 | 1390.35 | a | 1161.50 | 1089.00 | 540.50 | 303.00 | 116.50 | 13.43 | a | 46.50 | 165.50 | 572.47 | a | 980.00 | 1543.00 | 7921.75 | ||||||||||
1952 | 1558.00 | 1186.00 | 934.50 | 474.00 | 293.00 | 142.00 | 31.50 | 58.50 | 127.50 | 409.00 | 999.50 | 1133.50 | 7347.00 | |||||||||||||
1953 | 1146.00 | 1004.89 | a | 799.00 | 568.00 | 354.00 | 230.50 | 27.50 | 49.00 | 197.50 | 495.00 | 872.00 | 1174.00 | 6917.39 | ||||||||||||
1954 | 1500.00 | 988.30 | a | 1005.20 | d | 664.00 | 322.92 | a | 268.45 | a | 57.00 | 84.00 | 258.00 | 651.00 | a | 752.50 | 1336.50 | 7887.86 | ||||||||
1955 | 1409.00 | 1177.00 | 1180.00 | 710.00 | 440.00 | 139.00 | 90.86 | b | 37.00 | 235.50 | 634.00 | 1266.21 | a | 1541.73 | a | 8860.30 | ||||||||||
1956 | 1368.50 | 1469.50 | 1111.87 | a | 549.50 | 246.00 | 204.00 | 37.00 | 35.50 | 229.66 | a | 621.50 | 1107.50 | 1337.50 | 8318.02 | |||||||||||
1957 | 1770.00 | 1231.00 | 527.50 | l | 502.00 | 155.50 | 105.00 | 47.50 | 102.00 | 107.50 | 598.50 | 932.50 | 1208.50 | 6760.00 | ||||||||||||
1958 | 1238.00 | 842.00 | 829.00 | 562.50 | 168.50 | 57.50 | 5.00 | 13.00 | 263.00 | 550.00 | 1140.00 | 1265.50 | 6934.00 | |||||||||||||
1959 | 1412.00 | 1155.50 | 932.50 | 546.00 | 367.50 | 166.50 | 48.50 | 109.03 | b | 292.50 | 589.00 | 1051.00 | 1261.50 | 7931.53 | ||||||||||||
1960 | 1460.00 | 1103.00 | 959.50 | 569.00 | 407.00 | 146.00 | 2.00 | 100.50 | 241.00 | 537.00 | 1052.00 | 1469.00 | 8046.00 | |||||||||||||
1961 | 1339.50 | 931.50 | 871.00 | 558.50 | 323.00 | 72.50 | 22.00 | 4.50 | 289.50 | 678.50 | 1151.00 | 1402.50 | 7644.00 | |||||||||||||
1962 | 1508.15 | a | 964.50 | 941.00 | 478.00 | 398.50 | 165.50 | 71.50 | 73.00 | 193.50 | 568.00 | 877.50 | 1168.00 | 7407.15 | ||||||||||||
1963 | 1416.00 | 902.00 | 789.00 | 589.82 | b | 338.50 | 119.00 | 47.50 | 30.50 | 107.00 | 506.00 | 950.50 | 1309.50 | 7105.32 | ||||||||||||
1964 | 1355.00 | 1199.36 | a | 962.50 | 585.00 | 369.00 | 145.00 | 0.00 | z | 48.00 | t | 282.50 | 575.00 | 979.50 | 1492.50 | 7945.36 | ||||||||||
1965 | 1299.50 | 1110.00 | 993.50 | 523.00 | 413.00 | 113.50 | 33.00 | 72.00 | 354.50 | 544.00 | 901.50 | 1330.50 | 7688.00 | |||||||||||||
1966 | 1522.50 | 1050.50 | 982.00 | 598.00 | 299.00 | 222.50 | 74.50 | i | 46.00 | h | 94.00 | 622.00 | 866.00 | 1141.50 | 7398.00 | |||||||||||
1967 | 1207.50 | 891.00 | 868.50 | 683.00 | 365.50 | 84.50 | 27.50 | 11.00 | 110.00 | 595.50 | 924.00 | 1373.50 | 7141.50 | |||||||||||||
1968 | 1321.00 | 1042.79 | e | 0.00 | z | 657.50 | 390.71 | b | 191.25 | b | 36.00 | 131.00 | 236.50 | 686.00 | 979.50 | 1430.81 | b | 7103.06 | ||||||||
1969 | 1889.45 | a | 1225.00 | 995.32 | c | 593.50 | 254.00 | 57.00 | 65.10 | a | 74.00 | 238.27 | d | 656.88 | b | 969.11 | b | 1283.40 | a | 8301.03 | ||||||
1970 | 1492.00 | 1030.00 | 0.00 | z | 661.50 | 326.00 | 76.00 | 18.08 | a | 25.00 | 320.50 | 645.00 | 1035.50 | 1463.09 | c | 7092.67 | ||||||||||
1971 | 1364.50 | 1086.50 | 1080.87 | a | 630.00 | 241.50 | 0.00 | z | 64.21 | c | 21.70 | a | 380.19 | d | 659.30 | c | 986.90 | a | 1581.00 | c | 8096.67 | |||||
1972 | 1537.00 | 941.50 | f | 908.50 | 692.00 | 281.00 | 0.00 | z | 89.56 | d | 43.83 | b | 395.17 | a | 615.23 | e | 893.28 | a | 0.00 | z | 5455.56 | |||||
1973 | 1457.00 | b | 1020.00 | 788.50 | 0.00 | z | 0.00 | z | 0.00 | z | 27.00 | 60.50 | 185.00 | 606.57 | a | 1097.50 | 1210.00 | 6452.07 | ||||||||
1974 | 1506.08 | a | 989.50 | 911.83 | b | 0.00 | z | 438.00 | 106.50 | 61.50 | 25.00 | 168.00 | 539.00 | 0.00 | z | 1228.00 | 5973.41 | |||||||||
1975 | 1462.00 | 1208.00 | 994.50 | 632.00 | 343.00 | 166.50 | 10.50 | 66.00 | 183.50 | 601.50 | 1010.50 | 1245.00 | 7923.00 | |||||||||||||
1976 | 1339.72 | a | 1110.00 | 991.50 | 564.50 | 326.00 | 228.50 | 40.50 | 77.50 | 144.50 | 561.50 | 939.50 | 1262.70 | c | 7586.41 | |||||||||||
1977 | 1472.50 | b | 883.00 | 801.50 | 464.50 | 394.00 | 65.50 | 49.50 | 43.50 | 272.50 | 606.50 | 990.00 | b | 1377.43 | a | 7420.43 | ||||||||||
1978 | 1284.00 | 967.50 | 813.00 | 541.00 | 363.50 | 97.00 | 15.00 | 79.00 | 277.00 | 588.50 | 1104.83 | a | 1532.50 | 7662.83 | ||||||||||||
1979 | 1709.00 | 1131.50 | 843.95 | b | 616.00 | 299.00 | 104.00 | 41.00 | 7.00 | g | 166.00 | 482.10 | b | 1069.14 | a | 1136.09 | d | 7597.78 | ||||||||
1980 | 1623.00 | 1058.50 | 890.50 | 488.00 | 298.78 | b | 203.50 | 57.50 | 81.00 | 228.00 | 558.50 | 939.00 | 1253.00 | 7679.28 | ||||||||||||
1981 | 1065.50 | 992.00 | 723.50 | 596.00 | 362.50 | 253.00 | 73.00 | 20.00 | 226.00 | 625.50 | 879.00 | 1408.50 | 7224.50 | |||||||||||||
1982 | 1412.50 | 1116.50 | 880.00 | 690.00 | 383.00 | 0.00 | z | 71.50 | 57.00 | 241.50 | 613.00 | 1096.00 | 1398.00 | 7959.00 | ||||||||||||
1983 | 1158.00 | 956.50 | 768.00 | 566.00 | 302.50 | 158.00 | 102.00 | 21.00 | 329.50 | 598.50 | 889.50 | 1697.50 | 7547.00 | |||||||||||||
1984 | 1353.50 | 1044.00 | 775.00 | 644.00 | 458.50 | 182.50 | 30.50 | 43.00 | 357.50 | 694.50 | 1046.00 | 1657.50 | 8286.50 | |||||||||||||
1985 | 1428.50 | 1294.50 | 942.50 | 559.50 | 279.50 | 119.50 | 4.00 | 53.50 | 337.00 | 634.00 | 1347.00 | 1525.00 | 8524.50 | |||||||||||||
1986 | 1249.00 | 1073.50 | 756.00 | 578.50 | 316.00 | 51.00 | 58.00 | 0.00 | 291.00 | 483.00 | 906.00 | 1280.00 | 7042.00 | |||||||||||||
1987 | 1333.00 | a | 921.00 | 750.72 | a | 406.50 | 247.00 | 75.50 | 28.50 | 28.00 | 114.50 | 463.00 | 833.00 | 1382.50 | 6583.22 | |||||||||||
1988 | 1443.50 | 1085.50 | 780.50 | 455.00 | 306.50 | 154.00 | 46.00 | 21.00 | 206.00 | 424.00 | 938.00 | 1293.50 | 7153.50 | |||||||||||||
1989 | 1315.00 | 1220.00 | 933.00 | 458.00 | 333.50 | 57.00 | 32.00 | 54.00 | 157.50 | 552.00 | 836.50 | 1156.50 | 7105.00 | |||||||||||||
1990 | 1204.00 | 1147.00 | 767.00 | 415.00 | 347.00 | 154.50 | 0.00 | z | 40.00 | 74.00 | 647.00 | 872.00 | 1497.50 | 7165.00 | ||||||||||||
1991 | 1366.50 | 769.00 | 835.00 | 539.00 | 323.50 | 190.50 | 16.50 | 23.00 | 97.00 | 590.00 | 972.00 | 1206.00 | 6928.00 | |||||||||||||
1992 | 1206.00 | 856.00 | 614.50 | 494.00 | 225.50 | 43.50 | 26.00 | 66.50 | 269.50 | 525.50 | 906.50 | 1482.00 | 6715.50 | |||||||||||||
1993 | 1508.50 | 1095.50 | 890.00 | 576.50 | 163.00 | 150.50 | 97.50 | 63.50 | 183.50 | 458.50 | 1097.00 | 1271.50 | 7555.50 | |||||||||||||
1994 | 1179.50 | 1072.00 | 751.00 | 405.50 | 260.50 | 166.00 | 16.50 | 0.00 | z | 91.00 | 543.00 | 1201.50 | 1321.00 | 7007.50 | ||||||||||||
1995 | 1318.50 | 969.00 | 907.00 | 560.00 | 223.50 | 121.50 | 14.50 | 129.50 | 128.50 | 615.00 | 946.00 | 1265.00 | 7198.00 | |||||||||||||
1996 | 1410.00 | 1187.50 | 855.00 | 528.00 | 423.00 | 142.50 | 40.00 | 44.50 | 243.00 | 615.00 | 1008.50 | 1508.50 | 8005.50 | |||||||||||||
1997 | 1346.00 | 1089.50 | 915.50 | 604.50 | 264.50 | 178.00 | 41.00 | 26.50 | 152.50 | 611.50 | 845.50 | 1231.50 | 7306.50 | |||||||||||||
1998 | 1269.50 | 837.50 | 732.00 | 511.50 | 208.00 | 91.50 | 0.50 | 18.50 | 90.50 | 551.00 | 822.00 | 1319.50 | 6452.00 | |||||||||||||
1999 | 1159.50 | 990.00 | 898.00 | 562.00 | 414.50 | 178.00 | 54.00 | 26.00 | 226.00 | 610.50 | 770.00 | 1104.50 | 6993.00 | |||||||||||||
2000 | 1317.50 | 1042.50 | 792.00 | 460.50 | 335.50 | 120.50 | 53.00 | 59.00 | 224.00 | 563.50 | 1062.50 | 1335.50 | 7366.00 | |||||||||||||
2001 | 1201.00 | 1070.00 | 755.50 | 575.00 | 292.50 | 179.50 | 23.00 | 24.00 | 121.50 | 611.50 | 829.50 | 1260.00 | 6943.00 | |||||||||||||
2002 | 1228.00 | 1012.50 | 960.00 | 527.00 | 378.50 | 97.00 | 39.50 | 51.50 | 192.00 | 577.00 | 871.50 | 1076.50 | 7011.00 | |||||||||||||
2003 | 1167.00 | 1011.00 | 781.00 | 533.00 | 349.50 | 68.00 | 12.00 | 4.50 | 148.50 | 417.50 | 1057.50 | 1384.00 | 6933.50 | |||||||||||||
2004 | 1270.00 | 1033.00 | 699.50 | 437.00 | 314.00 | 105.00 | 10.00 | 0.00 | z | 230.00 | 516.00 | 896.50 | 1125.50 | 6636.50 | ||||||||||||
2005 | 1298.00 | 952.00 | 699.00 | 491.00 | 243.50 | 139.00 | 16.50 | 22.50 | 223.50 | 495.00 | 0.00 | z | 1352.50 | 5932.50 | ||||||||||||
2006 | 1117.50 | 1075.00 | 854.05 | a | 501.50 | 320.50 | 97.76 | a | 2.00 | k | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 3966.31 | |||||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 1392.02 | 1082.92 | 880.95 | 542.00 | 315.90 | 134.66 | 35.54 | 46.23 | 207.02 | 566.27 | 969.39 | 1324.60 | 7489.96 | |||||||||||||
S.D. | 183.78 | 146.82 | 112.83 | 81.38 | 69.00 | 53.37 | 24.23 | 30.19 | 77.29 | 69.50 | 117.21 | 138.02 | 559.92 | |||||||||||||
SKEW | 1.15 | 1.12 | 0.14 | -0.03 | -0.21 | 0.30 | 0.81 | 0.79 | 0.34 | -0.41 | 0.59 | 0.53 | 0.33 | |||||||||||||
MAX | 1985.00 | 1705.00 | 1180.00 | 710.00 | 458.50 | 268.45 | 102.00 | 131.00 | 395.17 | 694.50 | 1347.00 | 1697.50 | 8860.30 | |||||||||||||
MIN | 1065.50 | 769.00 | 614.50 | 324.00 | 155.50 | 43.50 | 0.50 | 0.00 | 74.00 | 400.50 | 752.50 | 1076.50 | 6452.00 | |||||||||||||
NO YRS | 73 | 72 | 68 | 71 | 73 | 71 | 71 | 67 | 72 | 73 | 73 | 73 | 50 |