YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1948 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 55.65 | 52.88 | 39.15 | 19.11 | b | 17.21 | 36.80 | g | ||||
1949 | 11.85 | 15.39 | 25.38 | a | 33.67 | a | 41.88 | b | 48.46 | b | 55.31 | 54.15 | 48.70 | 36.23 | a | 33.50 | a | 17.78 | a | 35.19 | ||||||
1950 | 16.57 | c | 21.10 | d | 20.24 | b | 30.88 | a | 37.77 | a | 51.78 | a | 54.08 | 52.17 | a | 46.95 | a | 45.13 | 28.38 | 22.58 | 35.64 | |||||
1951 | 14.98 | b | 21.12 | 20.16 | 29.40 | 41.39 | 46.95 | b | 58.29 | 54.56 | 48.57 | 36.11 | 23.52 | 15.33 | a | 34.20 | ||||||||||
1952 | 17.08 | 16.80 | b | 17.50 | 32.63 | 41.33 | a | 54.45 | 56.60 | 53.85 | a | 50.05 | 42.97 | a | 21.40 | 16.98 | 35.14 | |||||||||
1953 | 22.15 | 16.59 | 25.23 | a | 28.10 | 37.44 | 52.45 | j | 57.60 | 54.18 | 50.45 | 39.10 | 28.77 | 14.73 | 34.03 | a | ||||||||||
1954 | 23.00 | b | 24.46 | 21.19 | 37.12 | 44.23 | 52.88 | 58.05 | 55.58 | a | 49.90 | 40.19 | 30.55 | 20.18 | 38.11 | |||||||||||
1955 | 14.63 | 11.67 | a | 20.95 | a | 29.18 | 40.47 | 48.50 | g | 57.02 | 56.05 | 50.70 | 39.81 | 23.97 | 22.96 | c | 33.40 | a | ||||||||
1956 | 22.07 | a | 14.84 | a | 23.08 | a | 30.50 | 45.37 | 54.72 | 56.19 | 53.06 | 52.07 | 40.41 | c | 20.38 | a | 19.71 | c | 36.03 | |||||||
1957 | 15.53 | 26.30 | 23.13 | 28.20 | 38.42 | 49.55 | a | 56.08 | 55.21 | 46.88 | 38.95 | 20.95 | a | 20.05 | 34.94 | |||||||||||
1958 | 17.35 | a | 23.09 | 21.02 | 27.92 | 46.14 | b | 54.27 | 57.38 | f | 57.50 | 50.10 | 40.82 | 29.30 | 23.13 | 35.51 | a | |||||||||
1959 | 18.74 | 17.62 | 20.71 | 30.25 | 42.19 | 54.06 | c | 57.48 | k | 55.27 | 46.48 | 34.75 | a | 25.84 | a | 22.87 | 33.53 | a | ||||||||
1960 | 16.74 | 12.48 | a | 25.05 | a | 33.11 | b | 41.48 | 53.00 | 58.65 | n | 56.19 | 51.02 | 38.02 | 28.50 | 19.13 | a | 34.07 | a | |||||||
1961 | 19.77 | 19.46 | 24.60 | 29.13 | 42.50 | 52.10 | f | 55.33 | e | 55.74 | 42.60 | a | 36.97 | 23.35 | 13.66 | 33.01 | a | |||||||||
1962 | 16.17 | b | 21.38 | 18.87 | 34.58 | 41.45 | 49.60 | 54.52 | f | 54.35 | 48.85 | 41.34 | 30.98 | 23.08 | 34.61 | a | ||||||||||
1963 | 13.37 | 22.22 | a | 22.32 | a | 32.03 | 44.79 | c | 50.97 | a | 57.88 | c | 53.92 | ----- | z | 44.27 | 31.05 | 18.75 | a | 35.60 | a | |||||
1964 | ----- | z | 12.00 | 17.63 | 28.75 | 41.00 | 48.02 | 57.61 | 52.05 | 47.47 | 40.42 | a | 25.85 | 18.37 | 35.38 | a | ||||||||||
1965 | 20.90 | 17.70 | 18.55 | 31.00 | 39.25 | a | 47.82 | 55.65 | 51.24 | 42.67 | 40.63 | 29.17 | 22.45 | 34.75 | ||||||||||||
1966 | 14.44 | 14.88 | 26.90 | a | 31.93 | a | 43.63 | 50.47 | 59.09 | c | 54.56 | 49.72 | 37.71 | 30.68 | 18.90 | 36.08 | ||||||||||
1967 | 19.69 | 19.12 | 29.45 | 33.03 | 40.00 | 48.45 | 56.85 | 52.65 | 48.10 | 39.47 | 28.38 | 14.82 | 35.84 | |||||||||||||
1968 | 21.35 | 22.57 | 25.50 | 28.13 | 39.16 | 51.65 | 55.15 | 51.52 | 44.82 | 38.47 | 22.05 | 17.65 | 34.83 | |||||||||||||
1969 | 21.39 | 19.48 | 19.81 | 35.13 | 45.35 | 47.20 | 57.32 | 56.97 | 48.73 | 29.89 | 24.87 | 20.92 | 35.59 | |||||||||||||
1970 | 16.19 | 22.39 | 20.24 | 24.90 | 42.48 | 49.32 | 55.98 | 55.98 | 45.17 | 32.11 | 25.93 | 20.26 | 34.25 | |||||||||||||
1971 | 18.34 | 16.62 | 21.61 | 31.58 | 38.35 | 50.88 | 55.21 | 53.94 | 43.48 | ----- | z | ----- | z | ----- | z | 36.67 | c | |||||||||
1972 | 14.18 | 18.09 | 25.69 | 31.17 | 39.24 | 49.32 | 53.19 | 51.37 | 44.65 | 36.69 | 16.67 | 12.34 | 32.72 | |||||||||||||
1973 | 13.13 | 15.55 | ----- | z | 23.57 | 38.48 | 46.37 | 51.23 | 51.19 | d | 43.60 | 36.52 | ----- | z | ----- | z | 35.51 | c | ||||||||
1974 | 13.42 | 13.50 | 26.29 | 27.10 | 42.29 | ----- | z | 52.79 | 49.48 | 43.88 | 37.52 | 21.15 | 12.76 | 30.93 | a | |||||||||||
1975 | 13.00 | 13.18 | 20.76 | b | 25.75 | b | 36.56 | 44.52 | d | 52.71 | c | 50.54 | f | 44.44 | u | 34.72 | o | 21.72 | n | ----- | z | 29.50 | e | |||
1976 | 13.94 | o | 20.63 | n | ----- | z | 31.16 | n | 39.61 | q | 51.58 | x | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1977 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1978 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1979 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1980 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1981 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 37.69 | 30.42 | 21.67 | a | 29.93 | i | ||
1982 | 17.42 | 19.50 | 26.03 | 29.73 | 39.94 | ----- | z | ----- | z | 54.40 | ----- | z | ----- | z | ----- | z | ----- | z | 31.17 | f | ||||||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 17.17 | 18.18 | 22.51 | 30.30 | 41.16 | 50.20 | 55.88 | 54.03 | 47.63 | 38.57 | 25.95 | 18.78 | 35.24 | |||||||||||||
S.D. | 3.24 | 3.95 | 3.13 | 3.11 | 2.58 | 2.83 | 2.01 | 1.97 | 3.00 | 3.29 | 4.41 | 3.32 | 1.21 | |||||||||||||
SKEW | 0.24 | 0.10 | 0.27 | -0.04 | 0.21 | 0.01 | -0.61 | -0.40 | -0.20 | -0.46 | -0.29 | -0.39 | 0.31 | |||||||||||||
MAX | 23.00 | 26.30 | 29.45 | 37.12 | 46.14 | 54.72 | 59.09 | 57.50 | 52.88 | 45.13 | 33.50 | 23.13 | 38.11 | |||||||||||||
MIN | 11.85 | 11.67 | 17.50 | 23.57 | 36.56 | 44.52 | 51.23 | 49.48 | 42.60 | 29.89 | 16.67 | 12.34 | 32.72 | |||||||||||||
YRS | 27 | 28 | 27 | 28 | 28 | 23 | 23 | 28 | 26 | 27 | 26 | 26 | 14 |