| 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 | 880.00 | 869.00 | 1254.47 | a | 1133.00 | 936.50 | 578.50 | 319.00 | 84.50 | 6054.97 | ||||||||
| 1924 | 43.00 | 317.50 | 179.50 | 509.50 | 928.50 | 1100.50 | 1239.00 | 1204.50 | 970.50 | 567.50 | 258.50 | 104.50 | 7423.00 | |||||||||||||
| 1925 | 108.50 | 257.00 | 383.00 | 541.00 | 767.77 | a | 959.48 | a | 1282.00 | 1149.50 | 855.00 | 610.50 | 246.00 | 177.00 | 7336.75 | |||||||||||
| 1926 | 108.00 | 218.00 | 478.00 | 615.00 | 872.00 | 1185.50 | 1277.50 | 1240.00 | 946.00 | 732.50 | 435.00 | 81.50 | 8189.00 | |||||||||||||
| 1927 | 93.50 | 178.00 | 319.00 | 515.50 | 788.50 | 1049.00 | 1306.50 | 1172.50 | 921.00 | 697.00 | 370.00 | 103.50 | 7514.00 | |||||||||||||
| 1928 | 150.00 | 177.00 | 437.50 | 584.50 | 905.00 | 1091.50 | 1272.50 | 1236.50 | 1041.00 | 661.00 | 302.50 | 72.50 | 7931.50 | |||||||||||||
| 1929 | 80.50 | 110.00 | 343.00 | 407.14 | b | 830.00 | 979.00 | 1300.40 | b | 1301.00 | 923.79 | a | 783.50 | 373.00 | 246.00 | 7677.33 | ||||||||||
| 1930 | 34.00 | 274.50 | 348.50 | 590.00 | 577.50 | 1076.50 | 1268.00 | 1216.00 | 887.00 | 599.50 | 317.50 | 37.50 | 7226.50 | |||||||||||||
| 1931 | 96.00 | 207.50 | 433.00 | 635.50 | 922.50 | 1004.50 | 1434.50 | 1264.00 | 922.00 | 657.00 | 223.00 | 34.50 | 7834.00 | |||||||||||||
| 1932 | 46.50 | 128.00 | 401.50 | 497.00 | 764.50 | 1008.00 | 1260.50 | 1231.00 | 1040.50 | 669.50 | 431.50 | 91.00 | 7569.50 | |||||||||||||
| 1933 | 41.50 | 28.00 | 374.50 | 597.00 | 710.50 | 1203.50 | 1587.50 | 1409.50 | 1184.50 | 968.00 | 454.50 | 84.00 | 8643.00 | |||||||||||||
| 1934 | 174.50 | 310.00 | 677.50 | 862.50 | 1030.00 | 1013.50 | 1407.00 | 1372.50 | 1136.50 | 784.50 | 392.50 | 103.00 | 9264.00 | |||||||||||||
| 1935 | 15.00 | s | 218.00 | 283.00 | 548.00 | 809.50 | 0.00 | z | 0.00 | z | 1104.50 | 0.00 | z | 442.00 | 0.00 | z | 0.00 | z | 3405.00 | |||||||
| 1936 | 73.00 | 94.50 | 364.00 | 528.50 | 791.00 | 1005.00 | 1233.50 | 1220.50 | 908.00 | 596.50 | 255.00 | 13.00 | 7082.50 | |||||||||||||
| 1937 | 0.00 | 46.50 | 212.50 | 398.00 | 783.50 | 943.50 | 1239.00 | 1231.50 | 979.00 | 620.50 | 303.00 | 139.00 | 6896.00 | |||||||||||||
| 1938 | 79.50 | 37.50 | 138.50 | 452.00 | 655.00 | 918.50 | 1147.00 | 1136.00 | 960.50 | 502.00 | 78.50 | 76.50 | 6181.50 | |||||||||||||
| 1939 | 35.50 | 70.00 | 325.50 | 669.00 | 877.00 | 1046.00 | 1289.00 | 1295.50 | 929.50 | 638.00 | 383.00 | 246.00 | 7804.00 | |||||||||||||
| 1940 | 167.50 | 171.50 | 434.50 | 612.00 | 964.00 | 1206.00 | 1249.50 | 1285.50 | 879.00 | 690.50 | 248.00 | 134.00 | 8042.00 | |||||||||||||
| 1941 | 115.00 | 187.50 | 310.00 | 369.00 | 812.50 | 933.00 | 1205.00 | 1091.00 | 830.00 | 486.50 | 308.00 | 93.00 | 6740.50 | |||||||||||||
| 1942 | 92.00 | 105.50 | 290.00 | 496.00 | 729.00 | 1061.00 | 1341.00 | 1256.50 | 924.50 | 702.50 | 361.00 | 184.00 | 7543.00 | |||||||||||||
| 1943 | 138.00 | 212.50 | 403.00 | a | 638.79 | a | 880.50 | 905.00 | 1284.50 | 1177.00 | 1041.50 | 703.00 | 310.00 | 63.50 | 7757.29 | |||||||||||
| 1944 | 53.50 | 64.00 | 312.00 | 447.50 | 0.00 | z | 867.41 | a | 1178.00 | 1205.00 | 1019.50 | 718.00 | 239.00 | 103.00 | 6206.91 | |||||||||||
| 1945 | 122.00 | 190.00 | 203.50 | 530.50 | 759.00 | 1026.00 | 1368.00 | 1207.50 | 1035.50 | 665.00 | 266.50 | 61.00 | 7434.50 | |||||||||||||
| 1946 | 81.50 | 161.00 | 321.00 | 628.50 | 853.50 | 1070.50 | 1269.50 | 1270.50 | 1004.50 | 532.50 | 130.00 | 170.00 | 7493.00 | |||||||||||||
| 1947 | 90.00 | 248.50 | 415.50 | 556.50 | 910.00 | 1025.00 | 1244.50 | 1139.00 | 1050.00 | 675.00 | 187.50 | 72.50 | 7614.00 | |||||||||||||
| 1948 | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 1211.50 | 1171.50 | 979.00 | 659.00 | 235.50 | 52.50 | 4309.00 | |||||||
| 1949 | 7.00 | 69.00 | 201.00 | 633.50 | 758.00 | 1085.50 | 1266.50 | 1167.50 | 1046.50 | 614.50 | 423.00 | 31.50 | g | 7272.00 | ||||||||||||
| 1950 | 65.00 | 225.50 | 321.00 | 669.00 | 787.00 | 993.00 | 1293.00 | 1202.50 | 915.50 | 779.00 | 416.00 | 231.00 | 7897.50 | |||||||||||||
| 1951 | 80.50 | 147.50 | 342.50 | 533.50 | 795.00 | 1029.00 | 1313.50 | 1196.50 | 1055.50 | 648.00 | 252.50 | 58.50 | 7452.50 | |||||||||||||
| 1952 | 15.00 | 117.50 | 136.00 | 501.00 | 652.00 | f | 816.50 | 1200.50 | 1204.02 | c | 965.00 | 797.00 | 208.50 | 45.50 | 6006.52 | |||||||||||
| 1953 | 183.00 | 140.50 | 306.50 | 500.50 | 516.00 | 902.50 | 1297.00 | 1156.50 | 997.50 | 607.00 | 296.50 | 109.50 | 7013.00 | |||||||||||||
| 1954 | 89.50 | 250.00 | 203.00 | 637.00 | 885.00 | 958.00 | 1271.50 | 1096.50 | 943.50 | 671.00 | 356.00 | 38.50 | 7399.50 | |||||||||||||
| 1955 | 3.50 | 55.50 | 253.00 | 383.50 | 658.50 | 953.00 | 1166.00 | 1228.50 | 1010.50 | 723.50 | 287.00 | 161.00 | 6883.50 | |||||||||||||
| 1956 | 156.00 | 73.00 | 337.00 | 434.00 | 726.00 | 1031.50 | 1165.00 | 1096.00 | 1042.50 | 571.00 | 237.00 | 125.50 | 6994.50 | |||||||||||||
| 1957 | 9.00 | 224.50 | 337.00 | 469.50 | 630.50 | 1103.00 | 1226.50 | 1172.00 | 954.00 | 520.00 | 175.00 | 86.50 | 6907.50 | |||||||||||||
| 1958 | 90.50 | 197.50 | 149.00 | 451.00 | 844.00 | 990.50 | 1201.50 | 1268.50 | 1012.00 | 783.50 | 321.50 | 188.00 | 7497.50 | |||||||||||||
| 1959 | 150.50 | 81.00 | 432.00 | 667.50 | 739.00 | 1120.50 | 1368.50 | 1152.50 | 898.00 | 740.50 | 329.00 | 117.00 | 7796.00 | |||||||||||||
| 1960 | 30.50 | 94.00 | 451.00 | 586.00 | 780.50 | 1171.00 | 1305.00 | 1231.00 | 1045.50 | 640.00 | 229.00 | 71.50 | 7635.00 | |||||||||||||
| 1961 | 86.00 | 175.00 | 305.50 | 565.50 | 733.00 | 1143.00 | 1338.50 | 1169.50 | 870.50 | 620.50 | 200.00 | 47.00 | 7254.00 | |||||||||||||
| 1962 | 129.50 | 118.00 | 160.00 | 670.00 | 659.02 | b | 985.18 | b | 1169.39 | d | 1192.39 | c | 961.61 | b | 708.50 | 358.39 | b | 141.50 | 7253.48 | |||||||
| 1963 | 40.00 | 278.00 | 225.78 | a | 341.67 | c | 791.00 | 861.50 | 1174.50 | 1119.50 | 948.00 | 713.50 | 286.03 | a | 90.00 | 6869.48 | ||||||||||
| 1964 | 48.80 | d | 83.00 | g | 176.50 | f | 454.04 | d | 693.88 | a | 980.00 | 1255.00 | 1187.50 | 897.86 | b | 799.00 | 148.00 | h | 132.30 | c | 6448.38 | |||||
| 1965 | 157.50 | 141.50 | g | 265.05 | a | 419.00 | 692.85 | a | 865.00 | 0.00 | z | 1175.00 | 809.50 | 773.00 | 312.00 | 58.90 | a | 5527.80 | ||||||||
| 1966 | 20.31 | b | 52.23 | b | 384.50 | 612.86 | b | 896.00 | 1051.00 | 1212.62 | a | 1277.00 | 950.69 | a | 680.34 | c | 311.00 | 117.69 | d | 7566.23 | ||||||
| 1967 | 111.27 | c | 171.00 | 327.50 | 189.83 | a | 761.50 | 911.38 | a | 1287.00 | 1308.00 | 949.00 | 738.00 | 404.50 | 62.00 | 7220.97 | ||||||||||
| 1968 | 65.50 | 265.00 | 315.50 | 467.00 | 804.45 | a | 1083.50 | 1236.00 | 1075.50 | 995.50 | 679.50 | 271.00 | 32.50 | 7290.95 | ||||||||||||
| 1969 | 127.00 | 5.00 | 193.50 | 495.50 | 836.00 | 928.00 | 1232.50 | 1283.50 | 1014.00 | 541.50 | 275.00 | 123.50 | 7055.00 | |||||||||||||
| 1970 | 112.00 | 196.50 | 294.00 | 356.50 | 820.00 | 1041.00 | 1308.50 | 1287.00 | 895.50 | 590.50 | 296.00 | 41.00 | 7238.50 | |||||||||||||
| 1971 | 105.50 | 177.00 | 308.50 | 435.00 | 603.00 | 969.00 | 1269.00 | 1266.50 | 938.00 | 518.50 | 214.00 | 20.00 | 6824.00 | |||||||||||||
| 1972 | 40.30 | a | 200.50 | 540.50 | 520.00 | 782.00 | 1028.00 | 1332.50 | 1173.00 | 865.00 | 500.50 | 139.00 | 69.00 | 7190.30 | ||||||||||||
| 1973 | 14.00 | 70.00 | 142.00 | 453.00 | 856.50 | 1079.50 | 1275.50 | 1186.00 | 915.00 | 647.50 | 249.50 | 93.50 | 6982.00 | |||||||||||||
| 1974 | 35.50 | 125.00 | 339.00 | 413.00 | 823.00 | 1072.00 | 1235.00 | 1149.50 | 1060.50 | 623.00 | 263.00 | 49.00 | 7187.50 | |||||||||||||
| 1975 | 99.50 | 109.50 | 182.50 | 235.50 | 722.00 | 1023.00 | 1228.50 | 1129.50 | 1003.00 | 580.00 | 255.50 | 153.50 | 6722.00 | |||||||||||||
| 1976 | 98.00 | 131.50 | 291.50 | 358.50 | 821.50 | 948.00 | 1226.00 | 985.00 | 871.00 | 630.00 | 365.00 | 43.50 | 6769.50 | |||||||||||||
| 1977 | 36.50 | 225.00 | 164.00 | 553.00 | 469.50 | 1087.00 | 1245.00 | 1203.00 | 908.50 | 720.00 | 370.00 | 183.50 | 7165.00 | |||||||||||||
| 1978 | 70.50 | 144.50 | 352.50 | 364.00 | 691.00 | 1019.00 | 1194.00 | 1190.50 | 838.00 | 787.00 | 175.00 | 24.50 | 6850.50 | |||||||||||||
| 1979 | 23.50 | 80.00 | 288.50 | 506.50 | 837.52 | a | 1043.00 | 1229.00 | 1126.50 | 1043.50 | 708.50 | 228.00 | 118.83 | a | 7233.35 | |||||||||||
| 1980 | 134.50 | 189.00 | 223.50 | 473.50 | 610.50 | 947.00 | 1251.50 | 1198.50 | 950.00 | 700.00 | 326.50 | 186.50 | 7191.00 | |||||||||||||
| 1981 | 124.50 | 175.00 | 253.50 | 575.00 | 793.00 | 1175.69 | a | 1294.50 | 1276.50 | 1020.50 | 516.50 | 344.00 | 162.00 | 7710.69 | ||||||||||||
| 1982 | 43.00 | 194.00 | 203.00 | 447.00 | 802.00 | 937.00 | 1185.00 | 1208.00 | 868.00 | 560.00 | 158.00 | 64.00 | 6669.00 | |||||||||||||
| 1983 | 92.50 | 171.00 | 229.50 | 307.50 | 746.50 | 996.50 | 1129.50 | 1120.50 | 1012.50 | 630.50 | 280.50 | 123.50 | 6840.50 | |||||||||||||
| 1984 | 167.50 | 156.00 | 413.50 | 440.50 | 988.50 | 1003.00 | 1235.00 | 1167.50 | 1022.50 | 0.00 | z | 222.50 | 32.00 | 6848.50 | ||||||||||||
| 1985 | 55.50 | 162.00 | 212.50 | 621.50 | 800.00 | 1132.00 | 1269.50 | 1166.50 | 785.00 | 616.00 | 238.00 | 84.50 | 7143.00 | |||||||||||||
| 1986 | 174.50 | 231.00 | 421.00 | 494.50 | 836.50 | 1127.00 | 1156.50 | 1266.50 | 798.00 | 569.50 | 314.50 | 38.50 | 7428.00 | |||||||||||||
| 1987 | 36.50 | 150.50 | 263.00 | 634.50 | 776.50 | 1079.00 | 1125.50 | 1204.50 | 970.50 | 742.50 | 239.00 | 48.50 | 7270.50 | |||||||||||||
| 1988 | 72.00 | 206.00 | 367.50 | 479.50 | 751.00 | 972.50 | 1336.50 | 1202.50 | 941.00 | 836.00 | 312.50 | 117.50 | 7594.50 | |||||||||||||
| 1989 | 63.00 | 180.00 | 449.00 | 745.50 | 838.00 | 1067.50 | 1323.50 | 1145.00 | 931.50 | 598.50 | 339.00 | 110.50 | 7791.00 | |||||||||||||
| 1990 | 70.50 | 135.50 | 424.50 | 0.00 | z | 799.00 | 1070.00 | 1301.00 | 1177.00 | 972.00 | 723.00 | 311.50 | 46.50 | 7030.50 | ||||||||||||
| 1991 | 51.50 | 303.50 | 152.50 | 470.00 | 663.50 | 962.00 | 1253.50 | 1175.00 | 1022.50 | 800.00 | 315.50 | 44.50 | 7214.00 | |||||||||||||
| 1992 | 52.50 | 185.50 | 303.50 | 631.00 | 890.00 | 981.50 | 1169.50 | 1248.00 | 1008.50 | 751.50 | 213.50 | 20.00 | 7455.00 | |||||||||||||
| 1993 | 34.50 | 86.50 | 384.50 | 554.50 | 790.50 | 944.50 | 1156.50 | 1166.00 | 612.00 | i | 666.00 | 241.50 | 87.50 | 6112.50 | ||||||||||||
| 1994 | 124.50 | 84.00 | 463.00 | 569.00 | 764.00 | 1121.00 | 1335.00 | 1308.00 | 957.50 | 586.50 | 111.50 | 83.50 | 7507.50 | |||||||||||||
| 1995 | 66.50 | 315.50 | 319.00 | 474.00 | 621.50 | 893.00 | 1210.50 | 1225.00 | 1023.50 | 711.50 | 480.50 | 179.00 | 7519.50 | |||||||||||||
| 1996 | 189.50 | 271.50 | 364.50 | 601.00 | 867.00 | 1076.00 | 1325.50 | 1283.50 | 975.50 | 651.00 | 303.50 | 147.00 | 8055.50 | |||||||||||||
| 1997 | 177.50 | 0.00 | z | 481.50 | 534.00 | 971.50 | 1034.50 | 1159.50 | 1217.50 | 1019.00 | 631.00 | 295.50 | 0.00 | z | 7521.50 | |||||||||||
| 1998 | 103.50 | 52.00 | 299.00 | 337.50 | 503.00 | 831.50 | 1252.00 | 1281.00 | 908.00 | 573.50 | 272.50 | 0.00 | z | 6413.50 | ||||||||||||
| 1999 | 173.00 | 158.00 | 314.00 | 372.00 | 759.50 | 959.00 | 1191.50 | 1124.00 | 973.50 | 772.50 | 380.00 | 177.50 | 7354.50 | |||||||||||||
| 2000 | 178.50 | 188.50 | 353.00 | 614.00 | 926.50 | 1097.00 | 1201.50 | 1216.50 | 952.00 | 629.00 | 171.50 | 86.00 | 7614.00 | |||||||||||||
| 2001 | 24.50 | 51.50 | 330.00 | 399.00 | 933.00 | 1030.00 | 1106.00 | 1232.50 | 997.00 | 774.00 | 311.50 | 52.00 | 7241.00 | |||||||||||||
| 2002 | 81.00 | 187.50 | 248.00 | 553.50 | 741.00 | 1145.50 | 1355.00 | 1179.00 | 977.00 | 596.50 | 309.50 | 72.50 | 7446.00 | |||||||||||||
| 2003 | 205.50 | 114.00 | 334.50 | 351.50 | 753.00 | 1073.00 | 1382.50 | 1194.00 | 0.00 | z | 830.50 | 151.50 | 82.00 | 6472.00 | ||||||||||||
| 2004 | 62.50 | 65.00 | 528.50 | 549.50 | 817.00 | 1051.00 | 1220.00 | 1147.50 | 896.00 | 560.50 | 209.50 | 52.00 | 7159.00 | |||||||||||||
| 2005 | 95.00 | 123.50 | 316.50 | 366.00 | 739.50 | 905.00 | 0.00 | z | 1176.00 | 829.50 | 635.00 | 354.00 | 158.50 | 5698.50 | ||||||||||||
| 2006 | 113.00 | 241.50 | 182.00 | 443.00 | 901.00 | 1128.00 | 1375.00 | 1238.00 | 861.50 | 0.00 | z | 104.50 | p | 74.50 | 6557.50 | |||||||||||
| 2007 | 0.00 | 48.50 | 0.00 | z | 107.50 | u | 490.00 | k | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 491.00 | 109.50 | 649.00 | |||||
| 2008 | 86.00 | 212.32 | a | 465.50 | 609.50 | 849.00 | 1128.00 | 937.00 | j | 1352.08 | e | 716.00 | k | 826.00 | 417.50 | i | 170.50 | 5698.90 | ||||||||
| 2009 | 292.00 | 197.50 | 264.50 | i | 565.50 | 1112.00 | 1000.00 | 1458.00 | 1306.50 | 1207.00 | 689.00 | 466.00 | 121.00 | 8414.50 | ||||||||||||
| 2010 | 160.50 | 250.00 | 424.00 | 481.00 | 745.00 | 1167.50 | 1434.50 | 1269.00 | 1072.50 | 786.00 | 375.00 | 194.50 | 8359.50 | |||||||||||||
| 2011 | 210.00 | 186.50 | 385.00 | 584.50 | 384.00 | n | 1039.50 | 1292.50 | 1305.00 | 1128.50 | 775.50 | 251.50 | 105.50 | 7264.00 | ||||||||||||
| 2012 | 184.93 | b | 246.50 | 396.50 | 640.50 | 964.00 | 1144.50 | 1280.50 | 1421.35 | a | 1210.34 | a | 863.00 | 475.50 | 231.00 | 9058.63 | ||||||||||
| 2013 | 166.50 | 213.50 | 592.50 | 27.00 | 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 | 972.50 | ||||
| Period of Record Statistics | ||||||||||||||||||||||||||
| MEAN | 93.09 | 162.15 | 325.99 | 511.92 | 791.38 | 1023.43 | 1264.00 | 1208.72 | 967.25 | 668.91 | 293.00 | 101.44 | 7413.83 | |||||||||||||
| S.D. | 58.17 | 74.48 | 107.40 | 113.15 | 113.01 | 88.72 | 80.56 | 72.93 | 84.56 | 97.34 | 86.92 | 56.00 | 518.37 | |||||||||||||
| SKEW | 0.62 | 0.00 | 0.40 | -0.09 | -0.27 | -0.10 | 0.93 | 0.27 | 0.45 | 0.21 | 0.10 | 0.70 | 1.08 | |||||||||||||
| MAX | 292.00 | 317.50 | 677.50 | 862.50 | 1112.00 | 1206.00 | 1587.50 | 1421.35 | 1210.34 | 968.00 | 491.00 | 246.00 | 9264.00 | |||||||||||||
| MIN | 0.00 | 5.00 | 136.00 | 189.83 | 469.50 | 816.50 | 1106.00 | 985.00 | 785.00 | 442.00 | 78.50 | 13.00 | 6181.50 | |||||||||||||
| NO YRS | 88 | 86 | 86 | 86 | 85 | 87 | 85 | 89 | 85 | 87 | 86 | 86 | 70 | |||||||||||||