| YEAR(S | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
| 1965 | 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 | 838.39 | b | 1082.00 | f | 838.39 | |
| 1966 | 1200.98 | b | 1094.24 | c | 889.18 | a | 646.03 | a | 286.50 | 203.50 | 38.00 | 60.00 | 235.50 | 604.50 | 802.50 | 1103.50 | 7164.44 | |||||||||
| 1967 | 1088.00 | 845.50 | 860.50 | 890.00 | 464.00 | 263.50 | 9.50 | 11.00 | 207.00 | 539.00 | 770.00 | 1341.00 | 7289.00 | |||||||||||||
| 1968 | 1176.00 | 826.00 | 844.00 | 769.00 | 445.00 | 173.00 | 15.00 | 183.00 | 338.00 | 611.50 | 905.00 | 1246.50 | 7532.00 | |||||||||||||
| 1969 | 1007.50 | 1065.50 | 1049.00 | 626.50 | 322.50 | 234.00 | 40.00 | 24.50 | 160.00 | 747.00 | 901.00 | 1101.00 | 7278.50 | |||||||||||||
| 1970 | 1043.00 | 820.00 | 959.50 | 868.00 | 427.00 | 214.00 | 15.00 | 6.50 | 343.00 | 692.50 | 783.00 | 1242.00 | 7413.50 | |||||||||||||
| 1971 | 1075.50 | 915.00 | 899.50 | 681.00 | 522.50 | 204.50 | 15.50 | 9.50 | 317.00 | 722.00 | 961.00 | 1395.00 | 7718.00 | |||||||||||||
| 1972 | 1199.50 | 876.50 | 691.50 | 654.50 | 372.00 | 99.50 | 18.00 | 80.00 | 266.00 | 601.50 | 906.00 | 1303.00 | 7068.00 | |||||||||||||
| 1973 | 1303.00 | 933.50 | 926.00 | 745.00 | 339.50 | 145.50 | 27.50 | 63.50 | 329.00 | 588.00 | 866.00 | 1065.50 | 7332.00 | |||||||||||||
| 1974 | 1203.50 | 911.50 | 740.50 | 684.00 | 386.00 | 71.00 | 32.00 | 87.83 | a | 188.00 | 600.00 | 828.00 | 1117.55 | a | 6849.88 | |||||||||||
| 1975 | 1196.00 | 914.50 | 898.50 | 876.00 | 500.50 | 206.38 | a | 30.00 | 102.50 | 207.00 | 579.00 | 950.00 | 1043.00 | 7503.38 | ||||||||||||
| 1976 | 1136.00 | 903.50 | 973.00 | 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 | 3012.50 | ||||
| 1977 | 738.50 | n | 642.00 | h | 0.00 | z | 0.00 | z | 98.00 | z | 0.00 | z | 0.00 | z | 27.00 | y | 209.50 | j | 395.00 | g | 504.50 | l | 0.00 | z | 0.00 | |
| 1978 | 604.50 | o | 689.00 | h | 737.69 | d | 507.00 | h | 0.00 | z | 291.43 | b | 59.50 | g | 160.88 | b | 387.22 | c | 408.00 | i | 576.50 | l | 217.00 | z | 1577.22 | |
| 1979 | 368.50 | v | 122.50 | x | 0.00 | z | 481.00 | g | 0.00 | z | 195.00 | c | 38.00 | 111.50 | 184.00 | 471.50 | 724.50 | f | 1065.62 | c | 2065.62 | |||||
| 1980 | 1200.22 | a | 846.50 | 982.00 | 620.36 | b | 581.25 | c | 261.92 | d | 27.50 | f | 145.50 | 249.50 | l | 0.00 | z | 782.00 | f | 1037.00 | 5674.75 | |||||
| 1981 | 821.50 | g | 948.50 | d | 919.00 | 595.71 | b | 514.17 | b | 161.00 | 45.50 | 34.62 | a | 176.79 | b | 757.20 | d | 740.19 | d | 1002.33 | a | 5895.02 | ||||
| 1982 | 1431.00 | 974.50 | 959.50 | 795.00 | 517.50 | 294.00 | 81.50 | 23.00 | 299.00 | 646.50 | 937.00 | 1175.00 | 8133.50 | |||||||||||||
| 1983 | 1187.00 | 944.74 | a | 833.50 | 821.00 | 501.68 | a | 0.00 | z | 102.00 | 68.50 | 195.50 | 529.00 | 915.00 | 1015.00 | 7112.92 | ||||||||||
| 1984 | 1160.00 | 943.00 | 867.00 | 756.00 | 359.00 | 274.14 | a | 11.88 | a | 23.50 | 222.00 | 770.50 | 899.00 | 1297.50 | 7583.52 | |||||||||||
| 1985 | 1301.50 | 1082.50 | 990.97 | a | 557.50 | 398.00 | 104.50 | 13.00 | 24.50 | p | 391.00 | 619.00 | 1048.50 | 695.50 | k | 6506.47 | ||||||||||
| 1986 | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 362.00 | 80.50 | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 442.50 | |||
| Period of Record Statistics | ||||||||||||||||||||||||||
| MEAN | 1181.79 | 932.09 | 890.05 | 724.10 | 429.36 | 193.19 | 33.27 | 70.34 | 261.53 | 629.92 | 878.16 | 1159.41 | 7405.48 | |||||||||||||
| S.D. | 104.94 | 83.90 | 95.32 | 105.87 | 84.41 | 71.35 | 25.80 | 55.30 | 77.28 | 86.81 | 80.86 | 127.22 | 330.37 | |||||||||||||
| SKEW | 0.53 | 0.66 | -0.55 | 0.16 | 0.06 | -0.28 | 1.55 | 0.63 | 0.34 | 0.15 | 0.11 | 0.45 | 0.53 | |||||||||||||
| MAX | 1431.00 | 1094.24 | 1049.00 | 890.00 | 581.25 | 294.00 | 102.00 | 183.00 | 391.00 | 770.50 | 1048.50 | 1395.00 | 8133.50 | |||||||||||||
| MIN | 1007.50 | 820.00 | 691.50 | 557.50 | 286.50 | 71.00 | 9.50 | 6.50 | 160.00 | 471.50 | 740.19 | 1002.33 | 6849.88 | |||||||||||||
| NO YRS | 16 | 17 | 18 | 16 | 17 | 18 | 16 | 17 | 17 | 16 | 16 | 16 | 12 | |||||||||||||