YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1948 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 71.10 | 69.13 | 54.13 | 31.97 | a | 28.10 | 50.88 | g | ||||
1949 | 24.39 | 27.54 | 37.33 | a | 46.62 | a | 54.97 | b | 61.11 | b | 69.61 | 70.10 | 63.27 | 49.03 | a | 46.52 | a | 28.90 | a | 48.28 | ||||||
1950 | 27.97 | b | 33.44 | c | 32.67 | a | 43.55 | a | 51.63 | a | 67.76 | a | 68.77 | 67.30 | a | 60.86 | a | 60.19 | 39.17 | 33.23 | 48.88 | |||||
1951 | 25.93 | a | 34.11 | 32.61 | 39.93 | 53.84 | 61.34 | a | 74.26 | 68.29 | 63.87 | 48.48 | 35.97 | 23.74 | 46.86 | |||||||||||
1952 | 27.90 | 28.90 | 30.00 | 45.00 | 53.94 | 70.00 | 71.23 | 67.17 | a | 64.70 | 58.06 | 32.97 | 27.90 | 48.15 | ||||||||||||
1953 | 32.03 | 28.82 | 36.94 | 38.60 | 49.13 | 67.45 | j | 71.71 | 68.94 | 65.97 | 53.03 | 39.87 | 25.19 | 46.38 | a | |||||||||||
1954 | 33.83 | a | 36.79 | 33.19 | 50.40 | 58.45 | 68.93 | 73.06 | 71.03 | a | 63.33 | 53.06 | 42.70 | 32.65 | 51.45 | |||||||||||
1955 | 25.94 | 24.75 | 32.90 | 41.80 | 53.81 | 63.09 | g | 72.81 | 70.06 | 66.17 | 54.45 | 35.33 | 32.77 | 46.44 | a | |||||||||||
1956 | 32.84 | 27.69 | 35.97 | a | 41.77 | 59.55 | 70.57 | 71.87 | 67.77 | 68.53 | 55.25 | c | 32.30 | 32.24 | b | 49.70 | ||||||||||
1957 | 26.03 | 37.89 | 34.74 | 39.33 | 49.97 | 63.03 | 69.74 | 69.00 | 61.90 | 50.90 | 31.60 | 30.81 | 47.08 | |||||||||||||
1958 | 29.39 | 34.32 | 34.52 | 39.43 | 60.93 | b | 69.00 | 72.17 | a | 72.58 | 65.50 | 55.29 | 41.93 | 33.74 | 50.73 | |||||||||||
1959 | 29.97 | 28.89 | 32.52 | 41.73 | 54.68 | 69.19 | c | 73.55 | k | 68.94 | 59.73 | 46.87 | 37.93 | 35.10 | 45.96 | a | ||||||||||
1960 | 28.65 | 23.79 | 35.90 | a | 45.75 | b | 55.32 | 67.27 | 74.88 | n | 71.97 | 66.43 | 50.48 | 40.30 | 31.03 | 46.99 | a | |||||||||
1961 | 32.87 | 31.25 | 36.45 | 39.60 | 56.10 | 67.17 | f | 70.67 | d | 69.42 | 55.41 | a | 50.32 | 35.93 | 24.13 | 45.65 | a | |||||||||
1962 | 27.90 | a | 31.54 | 31.03 | 45.97 | 54.45 | 64.60 | 69.44 | f | 69.03 | 62.60 | 54.97 | 42.33 | 34.68 | 47.19 | a | ||||||||||
1963 | 24.26 | 33.48 | a | 34.90 | a | 44.03 | 58.57 | c | 65.55 | a | 72.86 | c | 65.97 | ----- | z | 57.81 | 43.10 | 30.70 | a | 48.29 | a | |||||
1964 | ----- | z | 24.31 | 29.71 | 40.00 | 54.03 | 61.60 | 72.68 | 65.10 | 60.77 | 53.52 | 37.43 | 29.32 | 48.04 | a | |||||||||||
1965 | 32.61 | 30.82 | 29.87 | 42.83 | 52.53 | a | 63.80 | 72.06 | 66.68 | 55.87 | 57.42 | 42.33 | 36.90 | 48.64 | ||||||||||||
1966 | 30.29 | 30.29 | 42.83 | a | 46.72 | a | 59.39 | 67.23 | 75.41 | b | 69.97 | 65.63 | 52.68 | 43.70 | 32.52 | 51.39 | ||||||||||
1967 | 32.45 | 33.82 | 42.26 | 46.63 | 53.81 | 63.30 | 72.16 | 68.03 | 62.80 | 53.10 | 41.53 | 27.39 | 49.77 | |||||||||||||
1968 | 35.97 | 35.86 | 40.48 | 40.67 | 52.61 | 68.27 | 70.35 | 65.00 | 59.40 | 52.48 | 35.67 | 29.42 | 48.85 | |||||||||||||
1969 | 33.45 | 34.82 | 33.52 | 48.57 | 60.48 | 60.43 | 72.29 | 72.84 | 63.67 | 41.74 | 38.17 | 32.58 | 49.38 | |||||||||||||
1970 | 28.42 | 36.64 | 33.32 | 37.53 | 57.61 | 64.30 | 71.71 | 71.29 | 59.33 | 44.52 | 37.13 | 32.58 | 47.87 | |||||||||||||
1971 | 28.97 | 29.54 | 35.03 | 44.27 | 51.84 | 67.00 | 70.94 | 69.32 | 58.53 | ----- | z | ----- | z | ----- | z | 50.60 | c | |||||||||
1972 | 26.45 | 31.90 | 38.23 | 43.97 | 54.35 | 65.53 | 70.10 | 66.81 | 58.90 | 48.71 | 30.83 | 27.87 | 46.97 | |||||||||||||
1973 | 30.03 | 33.79 | ----- | z | 37.13 | 51.45 | 62.63 | 66.26 | 66.30 | d | 58.20 | 52.52 | ----- | z | ----- | z | 50.92 | c | ||||||||
1974 | 28.03 | 29.89 | 38.16 | 40.87 | 57.77 | ----- | z | 69.23 | 66.13 | 60.77 | 51.35 | 36.20 | 28.52 | 46.08 | a | |||||||||||
1975 | 27.58 | 29.61 | 35.23 | a | 39.48 | a | 50.32 | 60.36 | b | 68.77 | a | 67.77 | a | 62.00 | u | 52.24 | n | 37.75 | n | ----- | z | 47.39 | d | |||
1976 | 29.69 | o | 34.19 | m | ----- | z | 45.12 | n | 54.40 | p | 70.29 | w | ----- | 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 | 49.97 | 42.73 | 33.63 | a | 42.11 | i | ||
1982 | 28.58 | 33.86 | 39.26 | 43.53 | 53.23 | ----- | z | ----- | z | 68.42 | ----- | z | ----- | z | ----- | z | ----- | z | 44.48 | f | ||||||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 29.36 | 31.37 | 35.17 | 42.70 | 54.81 | 65.34 | 71.28 | 68.70 | 62.36 | 52.24 | 38.29 | 30.60 | 48.93 | |||||||||||||
S.D. | 3.04 | 3.77 | 3.51 | 3.41 | 3.23 | 3.25 | 1.98 | 2.14 | 3.62 | 4.13 | 4.29 | 3.38 | 1.49 | |||||||||||||
SKEW | 0.28 | -0.30 | 0.45 | 0.33 | 0.28 | -0.03 | -0.35 | 0.16 | -0.05 | -0.45 | -0.10 | -0.35 | 0.29 | |||||||||||||
MAX | 35.97 | 37.89 | 42.83 | 50.40 | 60.93 | 70.57 | 75.41 | 72.84 | 69.13 | 60.19 | 46.52 | 36.90 | 51.45 | |||||||||||||
MIN | 24.26 | 23.79 | 29.71 | 37.13 | 49.13 | 60.36 | 66.26 | 65.00 | 55.41 | 41.74 | 30.83 | 23.74 | 46.86 | |||||||||||||
YRS | 27 | 28 | 27 | 28 | 28 | 23 | 24 | 29 | 26 | 27 | 26 | 26 | 15 |