| YEAR(S | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
| 1953 | 831.50 | 744.50 | 871.50 | 883.00 | 1006.50 | 1092.00 | 1234.83 | a | 1223.50 | 1142.50 | 1118.00 | 1042.50 | 863.50 | 9999.00 | ||||||||||||
| 1954 | 796.00 | 695.50 | 774.00 | 779.50 | 935.68 | a | 1096.50 | 1171.36 | c | 1198.67 | a | 1130.50 | 1124.50 | 961.50 | 908.00 | 9999.00 | ||||||||||
| 1955 | 812.50 | 709.00 | 773.50 | 826.50 | 1025.50 | 1133.50 | 1183.00 | 1175.00 | 1130.17 | a | 1087.58 | a | 928.00 | 855.50 | 9999.00 | |||||||||||
| 1956 | 509.00 | j | 742.50 | 803.50 | 829.50 | 939.50 | 1077.93 | a | 1135.50 | 1169.00 | 1180.00 | 1108.00 | 907.00 | 832.00 | 9999.00 | |||||||||||
| 1957 | 476.50 | j | 697.50 | 819.50 | 809.00 | 957.00 | 1106.90 | a | 818.00 | j | 1205.50 | 1139.00 | 977.00 | 862.00 | 894.50 | 9467.90 | ||||||||||
| 1958 | 799.00 | 673.00 | 778.00 | 836.50 | 958.00 | 1001.00 | 1124.50 | 812.00 | j | 781.50 | j | 1098.50 | 912.00 | 844.50 | 9025.00 | |||||||||||
| 1959 | 709.00 | 675.00 | 856.50 | 758.00 | 922.00 | 1061.50 | 1185.50 | 1220.00 | 1164.00 | 1041.50 | 898.50 | 890.00 | 9999.00 | |||||||||||||
| 1960 | 579.50 | j | 691.50 | 799.50 | 828.50 | 989.42 | a | 1135.00 | 1179.03 | a | 856.50 | i | 1169.00 | 1047.50 | 946.00 | 856.00 | 9641.45 | |||||||||
| 1961 | 797.00 | 779.50 | 819.50 | 688.50 | 868.50 | 1049.50 | 1157.00 | 1190.00 | 1172.50 | 1083.50 | 989.50 | 913.50 | 9999.00 | |||||||||||||
| 1962 | 775.50 | 704.00 | 802.50 | 779.00 | 902.50 | 989.50 | 1139.50 | 1216.00 | 1194.00 | 1119.50 | 1007.07 | a | 884.50 | 9999.00 | ||||||||||||
| 1963 | 820.50 | 694.00 | 823.50 | 810.00 | 993.50 | 1108.00 | 1149.00 | 1194.00 | 1201.00 | 1173.00 | 1003.50 | 828.00 | 9999.00 | |||||||||||||
| 1964 | 893.00 | 821.00 | 834.50 | 761.50 | 953.50 | 1042.50 | 1163.50 | 1173.00 | 1163.00 | 1134.00 | 946.50 | 793.00 | 9999.00 | |||||||||||||
| 1965 | 713.50 | 698.00 | 777.50 | 768.46 | d | 696.50 | f | 1032.00 | 1146.00 | 1190.50 | 752.00 | j | 749.50 | j | 690.50 | h | 828.98 | b | 7154.94 | |||||||
| 1966 | 827.50 | 676.00 | 844.50 | 828.50 | 875.00 | 678.00 | j | 1127.50 | 1169.50 | 1147.50 | 1074.50 | 920.00 | 594.50 | j | 9490.50 | |||||||||||
| 1967 | 899.00 | 689.00 | 700.00 | 844.50 | 923.00 | 1038.00 | 1139.00 | 1211.00 | 1204.50 | 1175.00 | 1034.00 | 889.50 | 9999.00 | |||||||||||||
| 1968 | 754.50 | 660.00 | 733.50 | 757.00 | 958.50 | 1060.50 | 1207.00 | 1255.00 | 1164.00 | 1036.50 | 828.00 | 854.00 | 9999.00 | |||||||||||||
| 1969 | 716.50 | 707.00 | 806.50 | 897.00 | 1073.50 | 1055.00 | 1208.00 | 1195.50 | 1141.50 | 1078.00 | 915.50 | 880.50 | 9999.00 | |||||||||||||
| 1970 | 788.00 | 710.50 | 0.00 | z | 905.50 | 951.50 | 1174.00 | 1219.50 | 1232.50 | 1136.50 | 1084.00 | 964.50 | 987.00 | 9999.00 | ||||||||||||
| 1971 | 757.50 | 783.00 | 0.00 | z | 958.50 | 1059.00 | 1074.00 | 1156.00 | 1199.00 | 1155.00 | 0.00 | z | 971.50 | 778.00 | 9891.50 | |||||||||||
| 1972 | 765.50 | 726.50 | 739.50 | 792.50 | 967.00 | 1067.00 | 1174.00 | 1209.50 | 1148.50 | 1036.50 | 972.50 | 815.00 | 9999.00 | |||||||||||||
| 1973 | 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 | |
| 1974 | 495.00 | m | 660.00 | g | 0.00 | z | 115.50 | z | 0.00 | z | 0.00 | z | 157.50 | z | 745.50 | l | 1157.14 | b | 0.00 | z | 0.00 | z | 126.00 | z | 1157.14 | |
| 1975 | 0.00 | z | 755.42 | d | 426.00 | p | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 1033.50 | 0.00 | z | 1788.92 | ||
| 1976 | 251.50 | u | 45.00 | z | 838.00 | 255.50 | u | 0.00 | z | 0.00 | z | 641.00 | n | 0.00 | z | 1176.00 | 0.00 | z | 201.00 | x | 0.00 | z | 2014.00 | |||
| 1977 | 721.50 | 0.00 | z | 761.00 | 826.00 | 993.50 | 1125.50 | 1152.00 | 1180.50 | 1119.00 | 1117.50 | 895.50 | 804.50 | 9999.00 | ||||||||||||
| 1978 | 0.00 | z | 701.00 | 792.00 | 819.00 | 900.00 | 1123.50 | 1213.00 | 0.00 | z | 1226.50 | 1160.00 | 995.00 | 0.00 | z | 8930.00 | ||||||||||
| 1979 | 864.50 | 757.50 | 876.00 | 0.00 | z | 996.00 | 1093.00 | 0.00 | z | 0.00 | z | 1236.00 | 1225.50 | 985.00 | 0.00 | z | 8033.50 | |||||||||
| 1980 | 0.00 | z | 0.00 | z | 899.00 | 898.00 | 1022.50 | 1127.59 | a | 1278.50 | 1275.13 | a | 1234.50 | 1207.00 | 1039.00 | 899.00 | 9999.00 | |||||||||
| 1981 | 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 | |
| 1982 | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 43.00 | z | 126.00 | z | 441.00 | s | 1016.50 | 872.50 | 1889.00 | |||
| 1983 | 796.50 | 726.50 | 794.00 | 819.50 | 979.00 | 1185.00 | 1278.50 | 1233.00 | 1000.50 | f | 1244.50 | 1056.35 | d | 914.50 | 9999.00 | |||||||||||
| 1984 | 865.50 | 854.50 | 902.00 | 1012.00 | 0.00 | z | 1266.00 | 1329.50 | 1338.50 | 1246.00 | 1154.50 | 599.00 | n | 874.50 | 9999.00 | |||||||||||
| 1985 | 0.00 | z | 0.00 | z | 862.00 | 898.50 | 1091.00 | 1178.50 | 1226.00 | 1270.00 | 1230.50 | 0.00 | z | 947.00 | 909.50 | 9613.00 | ||||||||||
| 1986 | 862.00 | 702.50 | 813.00 | 846.50 | 863.00 | 1118.50 | 1230.50 | 1253.50 | 1186.00 | 1165.50 | 998.00 | 932.50 | 9999.00 | |||||||||||||
| 1987 | 846.00 | 719.50 | 847.00 | 0.00 | z | 989.00 | 1095.50 | 1283.50 | 1348.50 | 1228.50 | 1148.50 | 1009.50 | 915.50 | 9999.00 | ||||||||||||
| 1988 | 861.50 | 763.50 | 886.50 | 888.00 | 0.00 | z | 1195.50 | 0.00 | z | 1276.50 | 0.00 | z | 1216.00 | 0.00 | z | 965.50 | 8053.00 | |||||||||
| 1989 | 908.00 | 710.50 | 837.50 | 0.00 | z | 1027.50 | 1123.50 | 1239.50 | 1274.00 | 1199.00 | 1140.50 | 933.50 | 914.00 | 9999.00 | ||||||||||||
| 1990 | 853.50 | 705.00 | 870.50 | 797.00 | 994.50 | 1113.50 | 1229.31 | b | 43.00 | z | 1244.00 | 1157.00 | 958.50 | 0.00 | z | 9922.81 | ||||||||||
| 1991 | 822.00 | 679.00 | 853.50 | 926.50 | 1036.00 | 1132.00 | 123.50 | z | 1294.25 | a | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 6743.25 | |||||||
| Period of Record Statistics | ||||||||||||||||||||||||||
| MEAN | 809.52 | 721.03 | 818.42 | 835.75 | 971.70 | 1102.25 | 1195.17 | 1227.54 | 1178.88 | 1121.85 | 963.79 | 875.79 | 11632.37 | |||||||||||||
| S.D. | 57.60 | 44.20 | 49.00 | 67.45 | 58.47 | 58.39 | 53.17 | 48.73 | 38.29 | 62.90 | 55.65 | 48.97 | 226.11 | |||||||||||||
| SKEW | -0.16 | 1.28 | -0.32 | 0.45 | -0.01 | 0.49 | 0.69 | 0.92 | 0.35 | -0.09 | -0.37 | 0.05 | 0.26 | |||||||||||||
| MAX | 908.00 | 854.50 | 902.00 | 1012.00 | 1091.00 | 1266.00 | 1329.50 | 1348.50 | 1246.00 | 1244.50 | 1056.35 | 987.00 | 12053.83 | |||||||||||||
| MIN | 709.00 | 660.00 | 700.00 | 688.50 | 863.00 | 989.50 | 1124.50 | 1169.00 | 1119.00 | 977.00 | 828.00 | 778.00 | 9999.00 | |||||||||||||
| NO YRS | 27 | 31 | 32 | 30 | 30 | 32 | 29 | 28 | 30 | 29 | 31 | 29 | 13 | |||||||||||||