YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1948 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1949 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1950 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1951 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1952 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1953 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1954 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1955 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1956 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1957 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1958 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1959 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1960 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1961 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1962 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 73.20 | 73.74 | 75.77 | 64.23 | 56.97 | 38.67 | 22.19 | 57.83 | e | |||||||
1963 | 7.77 | a | 16.64 | 39.87 | 54.60 | 62.81 | 76.40 | 79.39 | 75.61 | 69.03 | 66.81 | 42.24 | a | 14.81 | 50.50 | |||||||||||
1964 | 24.20 | a | 27.55 | 31.87 | 52.70 | 69.10 | 72.57 | 82.03 | 70.68 | 62.40 | 53.74 | 37.03 | a | 16.13 | 50.00 | |||||||||||
1965 | 14.48 | 17.32 | 27.16 | 47.37 | 64.06 | 71.70 | 75.16 | 74.19 | 55.28 | a | 53.48 | 33.47 | 26.39 | 46.67 | ||||||||||||
1966 | 5.39 | 20.54 | 37.48 | 43.17 | 58.65 | 73.83 | 81.87 | 72.42 | 66.07 | 52.53 | a | 30.20 | 19.37 | a | 46.79 | |||||||||||
1967 | 17.58 | 15.43 | 34.16 | 47.62 | a | 59.16 | 70.80 | 77.06 | 74.32 | 69.40 | 50.19 | 31.73 | 21.60 | a | 47.42 | |||||||||||
1968 | 17.45 | 18.90 | 41.65 | 51.47 | 59.87 | 71.47 | 75.39 | 73.74 | 65.73 | 54.35 | 34.33 | 16.94 | 48.44 | |||||||||||||
1969 | 13.42 | 24.89 | 32.16 | 54.10 | 63.81 | 63.23 | 77.16 | 80.97 | 66.00 | 47.06 | 35.07 | 24.71 | 48.55 | |||||||||||||
1970 | 11.77 | 21.54 | 32.16 | 48.40 | 58.45 | 73.57 | 81.52 | 77.97 | 66.43 | 52.52 | 32.73 | 18.90 | 48.00 | |||||||||||||
1971 | 8.43 | a | 23.29 | 33.17 | a | 50.90 | 62.58 | 77.40 | 73.97 | 75.19 | 66.97 | 56.06 | 32.87 | 19.81 | 48.39 | |||||||||||
1972 | 9.48 | 16.83 | 30.06 | 46.20 | 70.32 | 75.23 | 73.87 | 75.00 | 61.60 | 48.13 | 30.83 | 13.42 | 45.92 | |||||||||||||
1973 | 22.45 | 24.57 | 43.58 | 51.28 | a | 62.23 | 73.20 | 77.03 | 77.13 | 64.53 | 57.48 | 34.13 | 18.84 | 50.54 | ||||||||||||
1974 | 13.87 | 24.07 | 31.13 | 50.77 | 58.26 | 73.60 | 80.87 | 71.77 | 60.13 | 54.55 | 35.70 | 27.26 | 48.50 | |||||||||||||
1975 | 18.68 | 22.75 | 30.00 | 43.33 | 69.16 | 71.97 | 82.56 | f | 75.38 | j | 62.76 | i | 56.32 | i | 41.05 | k | 20.26 | l | 42.65 | f | ||||||
1976 | 14.29 | j | 31.75 | i | 33.65 | h | 60.47 | k | 68.25 | k | 77.95 | h | 80.33 | j | 81.27 | i | 68.30 | j | 48.35 | k | 32.19 | i | 14.63 | l | ----- | z |
1977 | 11.65 | n | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 63.25 | n | 55.57 | j | 37.85 | j | 20.87 | p | ----- | z |
1978 | 11.70 | k | 19.45 | h | 34.83 | h | 51.15 | j | 71.64 | i | 72.55 | h | 74.44 | d | 75.09 | h | 67.00 | j | 54.81 | j | 36.57 | i | 18.83 | m | 74.44 | k |
1979 | 6.67 | j | 17.00 | h | 31.91 | i | 45.95 | i | 58.36 | i | 72.05 | i | 79.19 | j | 72.39 | h | 68.26 | k | 50.82 | i | 32.10 | i | 28.82 | n | ----- | z |
1980 | 16.05 | j | ----- | z | ----- | z | 66.42 | r | 71.48 | j | 74.90 | i | 80.77 | i | 76.00 | j | 63.30 | j | 50.04 | h | 37.89 | k | 20.47 | l | ----- | z |
1981 | 22.33 | j | 25.30 | h | 41.09 | i | 52.50 | h | 67.10 | k | 70.55 | h | 78.50 | i | 77.24 | j | 65.33 | i | ----- | z | ----- | z | ----- | z | ----- | z |
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 14.23 | 21.10 | 34.19 | 49.38 | 62.96 | 72.73 | 77.39 | 74.98 | 64.45 | 54.15 | 34.54 | 20.03 | 48.31 | |||||||||||||
S.D. | 5.71 | 3.81 | 4.96 | 3.72 | 4.26 | 3.30 | 3.16 | 2.71 | 3.85 | 4.93 | 3.32 | 4.29 | 1.49 | |||||||||||||
SKEW | 0.20 | -0.01 | 0.65 | -0.34 | 0.57 | -1.54 | 0.33 | 0.52 | -0.96 | 1.05 | 0.90 | 0.25 | 0.12 | |||||||||||||
MAX | 24.20 | 27.55 | 43.58 | 54.60 | 70.32 | 77.40 | 82.03 | 80.97 | 69.40 | 66.81 | 42.24 | 27.26 | 50.54 | |||||||||||||
MIN | 5.39 | 15.43 | 27.16 | 43.17 | 58.26 | 63.23 | 73.74 | 70.68 | 55.28 | 47.06 | 30.20 | 13.42 | 45.92 | |||||||||||||
YRS | 13 | 13 | 13 | 13 | 13 | 14 | 14 | 13 | 13 | 13 | 13 | 13 | 12 |