Year | Jan. | Feb. | Mar. | Apr. | May | June | July | Aug. | Sept. | Oct. | Nov. | Dec. | Total |
1962a | 1.35 | 0.58 | 3.98 | 1.48 | 15.67 | 6.38 | 26.55 | 7.03 | 8.40 | 0.58 | 1.88 | 0.15 | 74.00 |
1963a | 0.28 | 0.33 | 0.73 | 4.55 | 5.03 | 6.15 | 8.25 | 7.43 | 2.53 | 0.63 | 0.00 | 2.05 | 38.00 |
1964a | 0.58 | 0.38 | 1.15 | 6.48 | 6.95 | 15.70 | 7.55 | 7.83 | 3.38 | 0.53 | 1.00 | 2.10 | 53.60 |
1965a | 0.83 | 0.28 | 1.70 | 4.85 | 6.55 | 5.78 | 6.50 | 18.55 | 8.10 | 1.88 | 1.75 | 0.55 | 57.30 |
1966 | 0.00 | 0.28 | 2.18 | 3.85 | 1.88 | 10.60 | 5.85 | 4.18 | 1.68 | 3.48 | 0.20 | 0.40 | 34.55 |
1967 | 0.50 | 0.33 | 0.55 | 2.88 | 2.38 | 4.03 | 0.85 | 2.03 | 3.88 | 4.68 | 0.00 | 0.98 | 23.05 |
1968 | 0.00 | 0.00 | 2.48 | 6.83 | 7.38 | 11.38 | 1.35 | 8.60 | 4.03 | 0.98 | 0.00 | 0.83 | 43.83 |
1969 | 1.68 | 0.78 | 0.95 | 1.60 | 7.38 | 9.83 | 3.68 | 1.93 | 1.98 | 1.43 | 0.00 | 1.03 | 32.23 |
1970 | 0.30 | 0.48 | 0.48 | 4.20 | 3.43 | 10.28 | 5.48 | 1.08 | 3.10 | 2.18 | 1.70 | 0.48 | 33.15 |
1971 | 1.00 | 0.30 | 0.38 | 2.93 | 5.40 | 14.13 | 4.70 | 2.23 | 4.18 | 8.30 | 0.15 | 0.38 | 44.05 |
1972 | 0.65 | 0.53 | 0.75 | 2.43 | 5.18 | 4.38 | 6.38 | 4.70 | 2.00 | 3.03 | 0.20 | 0.88 | 31.08 |
1973 | 0.20 | 0.13 | 3.40 | 2.33 | 1.80 | 6.45 | 2.13 | 4.39 | 14.35 | 4.48 | 0.83 | 0.65 | 41.03 |
1974 | 0.28 | 0.15 | 1.03 | 5.65 | 9.83 | 3.10 | 6.45 | 5.93 | 0.35 | 1.83 | 2.38 | 0.28 | 37.23 |
1975 | 1.00 | 0.15 | 0.88 | 5.85 | 4.55 | 21.43 | 3.28 | 6.80 | 3.75 | 1.00 | 0.43 | 0.65 | 49.27 |
1976 | 0.95 | 0.45 | 0.78 | 5.93 | 1.80 | 6.68 | 1.70 | 1.63 | 0.48 | 0.03b | 0.28 | 0.28 | 20.93 |
1977 | 0.98 | 0.40 | 1.23 | 1.35 | 8.23 | 5.00 | 12.63 | 4.90 | 12.95 | 2.03 | 2.75 | 1.08 | 53.50 |
1978 | 0.03 | 0.00 | 0.05 | 2.65 | 7.70 | 10.05 | 4.78 | 3.13 | 4.03 | 0.88 | 1.73 | 0.53 | 35.53 |
1979 | 0.56 | 1.25 | 1.53 | 3.18 | 3.95 | 11.68 | 8.93 | 4.58 | 1.33 | 0.80 | 0.23 | 1.03 | 38.93 |
1980 | 0.66 | 0.43 | 0.53 | 0.00 | 3.63 | 10.65 | 4.55 | 4.43 | 5.30 | 6.10 | 0.63 | 0.43 | 44.00 |
1981 | 0.35 | 0.78 | 0.83 | 3.48 | 3.38 | 8.75 | 6.98 | 2.68 | 5.30 | 3.40 | 1.20 | 0.70 | 37.80 |
Total | 9.60 | 8.03 | 25.59 | 72.50 | 112.10 | 182.43 | 128.57 | 103.97 | 91.10 | 48.25 | 17.34 | 15.46 | 823.06 |
![]() |
0.48 | 0.40 | 1.28 | 3.63 | 5.61 | 9.13 | 6.43 | 5.20 | 4.55 | 2.40 | 0.88 | 0.78 | 41.18 |
Min | 0.00- | 0.00- | 0.05- | 0.00- | 1.80- | 3.10- | 0.85- | 1.08- | 0.35- | 0.03- | 0.00- | 0.15- | 20.93 |
-max | 1.68 | 1.25 | 3.98 | 6.83 | 15.67 | 21.43 | 26.55 | 18.55 | 14.35 | 8.30 | 2.75 | 2.10 | 74.00 |