YEAR(S | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1931 | 1056.50 | 951.50 | 1077.50 | 882.50 | 607.08 | a | 394.50 | 154.00 | 227.13 | e | 553.00 | 777.50 | 947.50 | 707.00 | m | 7628.72 | ||||||||||
1932 | 1310.50 | 971.00 | g | 1005.20 | d | 985.50 | 775.00 | 483.00 | 336.50 | 273.50 | 353.50 | 606.50 | 902.50 | 1385.00 | 8416.70 | |||||||||||
1933 | 1363.00 | 1220.59 | a | 1193.50 | 906.00 | 961.50 | 577.50 | 230.50 | 233.50 | 580.00 | 557.00 | 782.00 | 869.00 | f | 8605.09 | |||||||||||
1934 | 1026.00 | 894.50 | 787.50 | 678.00 | 645.66 | b | 529.00 | 301.50 | 235.50 | 412.00 | 668.50 | 955.50 | 1112.50 | 8246.16 | ||||||||||||
1935 | 711.00 | k | 996.00 | 1255.50 | 958.00 | 757.50 | 479.00 | 376.50 | 244.00 | 320.00 | 794.50 | 1000.50 | 1059.00 | 8240.50 | ||||||||||||
1936 | 1175.50 | 1143.50 | 1090.50 | 811.50 | 683.50 | 533.00 | 250.58 | a | 221.50 | 423.50 | 491.50 | 788.00 | 1199.00 | 8811.58 | ||||||||||||
1937 | 1584.50 | 1216.00 | 1149.00 | 1053.50 | 716.00 | 542.50 | 220.50 | 328.00 | 411.21 | a | 687.17 | d | 940.00 | 1079.50 | 9927.87 | |||||||||||
1938 | 1136.50 | 1167.00 | 1269.50 | 970.00 | 817.00 | 519.83 | a | 239.50 | 319.00 | 358.00 | 774.50 | 1071.00 | 1077.50 | 9719.33 | ||||||||||||
1939 | 1173.00 | 1190.00 | 1034.00 | 771.21 | a | 716.50 | 580.50 | 241.50 | 117.00 | h | 395.00 | 673.00 | 805.50 | 1090.00 | 8670.21 | |||||||||||
1940 | 1109.00 | 1077.00 | 1002.33 | a | 879.50 | 637.00 | 294.50 | 325.50 | 158.62 | a | 578.33 | c | 734.00 | 1030.00 | 1090.00 | 8915.78 | ||||||||||
1941 | 1147.50 | 989.00 | 932.00 | 885.00 | d | 765.00 | 615.50 | 207.50 | 365.80 | a | 609.00 | 750.20 | a | 852.50 | 1183.50 | 9302.50 | ||||||||||
1942 | 1136.67 | a | 1142.00 | 1085.50 | 921.50 | 847.50 | 614.00 | 227.50 | 214.50 | 339.50 | 602.00 | 238.50 | w | 0.00 | z | 7130.67 | ||||||||||
1943 | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 327.57 | a | 384.92 | a | 119.00 | q | 0.00 | z | 0.00 | z | 0.00 | z | 712.48 | |
1944 | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 295.00 | 329.00 | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 624.00 | |||
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 | 0.00 | z | 940.85 | a | 1045.50 | 1127.00 | 3113.35 | |||
1947 | 1205.50 | 901.00 | 982.50 | 840.50 | 583.00 | 629.50 | 335.50 | 379.00 | 573.00 | 734.50 | 1033.50 | 1165.00 | 9362.50 | |||||||||||||
1948 | 1058.50 | 1165.18 | a | 1218.50 | 1107.50 | 853.00 | 521.90 | a | 394.50 | 260.00 | 515.50 | 645.00 | 1091.00 | 1434.00 | 10264.58 | |||||||||||
1949 | 1448.50 | 1218.50 | 1176.50 | 781.50 | 682.50 | 448.00 | 260.00 | 345.13 | a | 380.00 | 823.57 | a | 745.50 | 1262.50 | 9572.20 | |||||||||||
1950 | 1485.50 | 1056.00 | 1192.00 | 975.00 | 741.50 | 595.50 | 280.00 | 199.00 | 395.00 | 766.00 | 913.50 | 982.50 | 9581.50 | |||||||||||||
1951 | 1290.00 | 1107.08 | b | 1191.50 | 751.00 | 730.00 | 440.00 | 187.55 | a | 257.00 | 257.50 | 810.00 | 1003.97 | a | 1264.00 | 9289.59 | ||||||||||
1952 | 1389.50 | 1148.00 | 1248.50 | 825.52 | a | 745.00 | 673.00 | 229.73 | c | 214.50 | k | 234.50 | i | 382.50 | f | 996.50 | 1236.50 | 8492.25 | ||||||||
1953 | 1111.50 | 1016.30 | a | 1175.00 | 1016.00 | 959.97 | a | 762.93 | a | 334.50 | 413.50 | 257.59 | a | 757.95 | a | 942.32 | b | 1120.00 | 9867.55 | |||||||
1954 | 1304.50 | 914.50 | 1246.20 | a | 911.90 | a | 706.50 | 684.23 | d | 341.00 | b | 489.00 | 563.79 | a | 793.08 | a | 885.00 | a | 1197.00 | 10036.70 | ||||||
1955 | 1286.00 | 1193.00 | 1251.50 | 1202.00 | 851.50 | 545.50 | 457.00 | 235.50 | 419.00 | i | 751.50 | 1094.00 | 1223.00 | 10090.50 | ||||||||||||
1956 | 1321.00 | 1247.00 | 1238.00 | 901.07 | b | 744.00 | 645.00 | c | 252.50 | 345.81 | b | 450.56 | c | 865.50 | 825.50 | 1037.50 | 9873.44 | |||||||||
1957 | 1411.50 | 1001.00 | 1168.18 | a | 961.50 | 762.50 | 497.00 | 388.50 | 450.00 | 366.50 | 895.50 | 1039.00 | 1117.00 | 10058.18 | ||||||||||||
1958 | 1184.00 | 1007.50 | 1288.00 | 1047.50 | 621.00 | 557.00 | 218.55 | a | 182.50 | 503.50 | 599.50 | 931.00 | 950.00 | 9090.05 | ||||||||||||
1959 | 1174.00 | 1128.00 | 1113.00 | 832.50 | 902.50 | 484.29 | b | 189.00 | 277.50 | 592.00 | 712.50 | 817.50 | 1067.50 | 9290.29 | ||||||||||||
1960 | 1283.00 | 1216.00 | 1055.50 | 1016.00 | 895.50 | 453.50 | 165.00 | 382.00 | 384.50 | 718.00 | 1084.50 | 1095.50 | 9749.00 | |||||||||||||
1961 | 1050.00 | 1105.50 | 1227.00 | 965.50 | 866.50 | 419.00 | 241.50 | 205.50 | 601.00 | 797.50 | 1041.00 | 1255.00 | 9775.00 | |||||||||||||
1962 | 1233.05 | b | 1121.00 | 1285.50 | 881.00 | 967.00 | 569.50 | 308.00 | 366.50 | 381.00 | 711.00 | 971.50 | 1004.00 | 9799.05 | ||||||||||||
1963 | 1126.50 | 878.50 | 1169.50 | 1153.00 | 752.00 | 640.00 | 457.50 | 356.00 | 379.00 | 782.00 | 1042.50 | 1005.00 | 9741.50 | |||||||||||||
1964 | 1283.50 | 1061.00 | 1230.50 | 1036.00 | 883.00 | 659.00 | 368.00 | 410.00 | 526.00 | 612.00 | 1025.50 | 1249.50 | 10344.00 | |||||||||||||
1965 | 1157.00 | 1012.50 | 1074.50 | 948.50 | 886.00 | 582.00 | 347.50 | 392.50 | 550.00 | 588.50 | 1008.00 | 1278.00 | 9825.00 | |||||||||||||
1966 | 1257.50 | 1183.00 | 1164.00 | 846.50 | 682.00 | 620.50 | 458.50 | 297.00 | 457.24 | a | 708.00 | 968.00 | 1185.00 | 9827.24 | ||||||||||||
1967 | 1200.00 | 999.00 | 1280.50 | 1229.50 | 799.50 | 553.00 | 248.00 | 149.50 | 323.00 | 799.00 | 871.00 | 1266.00 | 9718.00 | |||||||||||||
1968 | 1229.50 | 961.00 | 1083.50 | 1006.50 | 843.50 | 531.00 | 248.50 | 473.00 | 458.50 | 827.50 | 1059.50 | 1365.00 | 10087.00 | |||||||||||||
1969 | 1364.50 | 1255.00 | 1154.00 | 1039.00 | 712.00 | 519.00 | 325.50 | 380.50 | 465.50 | 954.00 | 851.50 | 1146.50 | 10167.00 | |||||||||||||
1970 | 1225.00 | 969.00 | 1146.50 | 1172.50 | 783.50 | 488.50 | 276.50 | 273.00 | 614.00 | 804.00 | 1016.00 | 1332.00 | 10100.50 | |||||||||||||
1971 | 1217.50 | 1067.00 | 1299.00 | 1067.50 | 847.00 | 688.50 | 309.00 | 225.00 | 590.50 | 873.50 | 1034.50 | 1375.50 | 10594.50 | |||||||||||||
1972 | 1290.00 | 1125.50 | 1070.50 | 1112.50 | 767.50 | 533.00 | 284.00 | 329.50 | 641.50 | 735.50 | 1078.00 | 1359.50 | 10327.00 | |||||||||||||
1973 | 1345.50 | 1051.50 | 1232.00 | 932.50 | 680.00 | 540.00 | 265.00 | 320.50 | 484.50 | 803.50 | 1154.00 | 1207.00 | 10016.00 | |||||||||||||
1974 | 1347.00 | 1173.50 | 1181.00 | 1092.50 | 888.00 | 495.50 | 405.50 | 303.00 | 276.50 | 657.00 | 984.00 | 1207.50 | 10011.00 | |||||||||||||
1975 | 1183.50 | 1165.50 | 1247.50 | 1203.00 | 838.50 | 627.50 | 339.97 | a | 457.50 | 318.00 | 919.00 | 1174.00 | 1070.50 | 10544.47 | ||||||||||||
1976 | 1100.50 | 1151.00 | 1233.50 | 1074.50 | 786.50 | 672.50 | 404.00 | 532.50 | 428.00 | 658.50 | 763.00 | 991.50 | 9796.00 | |||||||||||||
1977 | 1137.00 | 959.00 | 1277.00 | 894.00 | 1032.00 | 411.50 | 358.50 | 219.00 | 581.00 | 736.00 | 1119.00 | 1168.50 | 9892.50 | |||||||||||||
1978 | 1193.50 | 1075.50 | 988.50 | 1058.00 | 911.50 | 619.00 | 330.50 | 402.50 | 661.00 | 420.00 | g | 1073.00 | 1360.50 | 9673.50 | ||||||||||||
1979 | 1367.50 | 1152.00 | 1043.50 | 1037.50 | 770.50 | 543.62 | a | 341.00 | 393.70 | a | 396.50 | 693.50 | 1087.00 | 1088.50 | 9914.82 | |||||||||||
1980 | 1264.00 | 1049.50 | 1237.00 | 968.50 | 865.00 | 745.00 | 337.50 | 388.53 | a | 490.00 | 655.00 | 957.00 | 1024.00 | 9981.03 | ||||||||||||
1981 | 1009.50 | 1029.00 | 1113.00 | 959.00 | 838.50 | 557.50 | 338.00 | 218.00 | 430.00 | 831.00 | 1015.50 | 1198.50 | 9537.50 | |||||||||||||
1982 | 1330.50 | 1139.00 | 1252.00 | 1155.50 | 824.50 | 619.00 | 424.50 | 345.50 | 598.00 | 838.00 | 1123.50 | 1216.50 | 10866.50 | |||||||||||||
1983 | 1149.00 | 1101.50 | 1136.00 | 99.50 | z | 864.00 | 684.00 | 622.00 | 349.00 | 532.50 | 707.00 | 1122.50 | 1288.00 | 9555.50 | ||||||||||||
1984 | 1119.00 | 1079.00 | 1101.00 | 1101.50 | 878.00 | 674.50 | 329.50 | 335.50 | 565.50 | 950.00 | 1191.50 | 1339.00 | 10664.00 | |||||||||||||
1985 | 1092.00 | 1140.74 | a | 1227.00 | 827.50 | 856.00 | 518.50 | 191.50 | 403.50 | 682.00 | 835.50 | 1246.50 | 1026.00 | 10046.74 | ||||||||||||
1986 | 1107.00 | 1023.00 | 1020.00 | 997.24 | a | 850.00 | 464.50 | 446.00 | 175.00 | 690.00 | 708.50 | 996.50 | 1142.00 | 9619.74 | ||||||||||||
1987 | 1248.50 | 1070.00 | 1187.50 | 830.50 | 712.00 | 449.50 | 452.50 | 298.50 | 339.00 | 459.50 | 979.66 | a | 1319.00 | 9346.16 | ||||||||||||
1988 | 1267.00 | 975.50 | 1128.00 | 910.00 | 908.50 | 594.00 | 270.00 | 274.00 | 443.00 | 459.50 | 1110.50 | 1158.50 | 9498.50 | |||||||||||||
1989 | 1220.50 | 1292.00 | 1189.50 | 850.50 | 880.50 | 543.50 | 403.00 | 447.50 | 483.00 | 813.50 | 923.00 | 971.50 | 10018.00 | |||||||||||||
1990 | 1195.50 | 1168.00 | 1054.50 | 790.50 | 852.50 | 577.50 | 266.00 | 319.50 | 379.00 | 779.50 | 1026.50 | 1362.00 | 9771.00 | |||||||||||||
1991 | 1137.50 | 884.00 | 1274.50 | 1071.00 | 929.00 | 721.50 | 281.50 | 286.00 | 285.50 | 612.50 | 961.00 | 1116.50 | 9560.50 | |||||||||||||
1992 | 1139.00 | 993.50 | 929.00 | 853.00 | 516.50 | 405.50 | 358.50 | 216.50 | 460.00 | 651.50 | 1068.50 | 1284.00 | 8875.50 | |||||||||||||
1993 | 1360.00 | 1156.00 | 988.50 | 1069.00 | 757.50 | 687.50 | 563.00 | 406.00 | 408.00 | 648.50 | 1012.00 | 1170.00 | 10226.00 | |||||||||||||
1994 | 1045.50 | 1152.50 | 984.00 | 908.50 | 735.00 | 558.50 | 189.50 | 323.50 | 410.00 | 795.50 | 1290.50 | 1297.50 | 9690.50 | |||||||||||||
1995 | 1194.00 | 858.00 | 1186.50 | 1035.50 | 809.00 | 652.00 | 408.50 | 443.50 | 388.00 | 753.00 | 863.50 | 1152.00 | 9743.50 | |||||||||||||
1996 | 1196.50 | 1071.50 | 1089.65 | a | 973.00 | 886.50 | 586.50 | 225.00 | 264.50 | 551.50 | 782.50 | 971.00 | 1184.50 | 9782.65 | ||||||||||||
1997 | 1257.50 | 1073.50 | 1083.00 | 1032.50 | 694.00 | 647.50 | 355.50 | 281.50 | 482.50 | 811.00 | 967.50 | 1176.50 | 9862.50 | |||||||||||||
1998 | 1173.00 | 1129.50 | 1130.00 | 989.00 | 934.00 | 618.50 | 261.50 | 240.00 | 351.00 | 820.50 | 1099.00 | 1286.00 | 10032.00 | |||||||||||||
1999 | 1178.00 | 1190.50 | 1244.50 | 1024.50 | 893.00 | 663.00 | 435.50 | 359.50 | 422.50 | 631.50 | 942.00 | 1076.00 | 10060.50 | |||||||||||||
2000 | 1240.00 | 1055.00 | 1188.50 | 874.00 | 827.00 | 486.50 | 372.50 | 275.00 | 480.50 | 787.00 | 1075.00 | 1090.00 | 9751.00 | |||||||||||||
2001 | 1159.50 | 1120.50 | 1016.00 | 1058.50 | 603.00 | 565.00 | 310.00 | 219.07 | a | 375.00 | 659.00 | 994.50 | 1253.50 | 9333.57 | ||||||||||||
2002 | 1290.00 | 1020.50 | 1213.00 | 895.50 | 828.50 | 504.50 | 209.00 | 346.00 | 400.00 | 725.00 | 903.50 | 1133.00 | 9468.50 | |||||||||||||
2003 | 985.28 | a | 1075.00 | 1118.50 | 1088.50 | 773.34 | c | 480.50 | 192.00 | 270.50 | 353.50 | 636.00 | 1164.83 | a | 1193.50 | 9331.45 | ||||||||||
2004 | 1187.30 | a | 1124.00 | 929.50 | 868.50 | 807.50 | 550.00 | 260.00 | 281.50 | 540.50 | 800.50 | 1003.00 | 1044.18 | a | 9396.48 | |||||||||||
2005 | 1141.00 | 980.50 | 1004.00 | 1027.00 | 774.48 | a | 692.00 | 227.33 | a | 224.50 | 528.50 | 781.50 | 976.00 | 1155.50 | 9512.32 | |||||||||||
2006 | 1246.00 | 1100.50 | 1335.00 | 979.50 | 696.35 | d | 482.31 | d | 166.00 | k | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 5839.66 | |||||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 1217.08 | 1082.03 | 1141.31 | 968.45 | 794.42 | 563.08 | 312.52 | 313.09 | 460.50 | 736.03 | 997.59 | 1175.76 | 9760.91 | |||||||||||||
S.D. | 114.64 | 98.84 | 110.17 | 117.41 | 101.56 | 91.28 | 91.67 | 85.81 | 107.70 | 106.52 | 111.56 | 115.21 | 459.40 | |||||||||||||
SKEW | 0.55 | -0.28 | -0.65 | 0.02 | -0.30 | -0.17 | 0.76 | 0.27 | 0.18 | -0.38 | -0.06 | 0.15 | -0.45 | |||||||||||||
MAX | 1584.50 | 1292.00 | 1335.00 | 1229.50 | 1032.00 | 762.93 | 622.00 | 532.50 | 690.00 | 954.00 | 1290.50 | 1434.00 | 10866.50 | |||||||||||||
MIN | 985.28 | 858.00 | 787.50 | 678.00 | 516.50 | 294.50 | 154.00 | 149.50 | 257.50 | 459.50 | 745.50 | 950.00 | 8246.16 | |||||||||||||
NO YRS | 71 | 71 | 72 | 71 | 72 | 72 | 73 | 71 | 69 | 70 | 71 | 69 | 61 |