YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1938 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1939 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1940 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1941 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1942 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1943 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1944 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1945 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1946 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1947 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
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 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1963 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1964 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1965 | ----- | z | ----- | z | 47.17 | a | 56.07 | 61.71 | 66.81 | d | 74.21 | 71.05 | 65.83 | 58.25 | m | 50.29 | a | 41.23 | a | 59.37 | c | |||||
1966 | 38.08 | a | 38.20 | 49.62 | a | 56.38 | d | 63.97 | 70.83 | 75.27 | 70.34 | 66.32 | 57.29 | 51.82 | 42.11 | 56.69 | ||||||||||
1967 | 40.92 | 45.30 | 53.11 | 56.00 | a | 61.53 | a | 70.29 | a | 73.23 | 71.13 | 67.45 | 58.92 | 50.58 | 39.06 | 57.29 | ||||||||||
1968 | 41.91 | b | 47.91 | a | 54.11 | 51.38 | 62.44 | ----- | z | 72.44 | 69.92 | 70.68 | 57.77 | 48.33 | 40.66 | 56.14 | a | |||||||||
1969 | 50.43 | b | 49.32 | 48.79 | 61.97 | 66.42 | 80.02 | a | 74.73 | 78.43 | b | 72.38 | a | 61.13 | 54.03 | l | ----- | z | 64.36 | b | ||||||
1970 | 46.00 | o | 46.46 | 45.32 | 49.15 | 67.95 | c | 73.08 | 77.65 | 76.32 | 69.07 | 55.11 | 49.88 | 43.82 | 59.44 | a | ||||||||||
1971 | 43.37 | 46.95 | 51.60 | 59.40 | 64.60 | 76.32 | 79.40 | b | 70.02 | 67.12 | 57.03 | 51.38 | 40.45 | 58.97 | ||||||||||||
1972 | 44.21 | 44.79 | 56.56 | 58.93 | a | 64.10 | 72.88 | 75.45 | 71.74 | 67.20 | 58.60 | 46.58 | 41.16 | 58.52 | ||||||||||||
1973 | 41.18 | 45.82 | 47.19 | 50.32 | 63.90 | 72.05 | 75.28 | b | 71.13 | 66.38 | 61.85 | 49.83 | 46.76 | 57.64 | ||||||||||||
1974 | 41.77 | 36.59 | 55.47 | 55.28 | 62.02 | 76.75 | 69.92 | 72.76 | 67.85 | 58.81 | 48.35 | 39.12 | a | 57.06 | ||||||||||||
1975 | 35.58 | 46.11 | ----- | z | 44.97 | 55.23 | 71.45 | 73.19 | 77.25 | a | 65.85 | 55.19 | 48.22 | 40.19 | 55.75 | a | ||||||||||
1976 | 40.68 | 51.90 | 49.58 | 52.58 | 62.15 | 71.90 | 68.97 | a | 74.55 | 67.62 | 62.44 | d | 48.10 | 43.73 | 57.85 | |||||||||||
1977 | 36.39 | 49.29 | 59.27 | a | ----- | z | 60.65 | 71.58 | 70.84 | 71.79 | 68.05 | ----- | z | ----- | z | 47.27 | 59.46 | c | ||||||||
1978 | 42.24 | 42.09 | 45.66 | 61.65 | 61.90 | 69.50 | ----- | z | 66.48 | 63.80 | 58.34 | 51.03 | 42.69 | r | 56.27 | b | ||||||||||
1979 | 42.48 | 38.86 | 41.23 | 52.80 | 62.55 | 69.38 | 73.90 | 66.23 | 67.47 | ----- | z | ----- | z | 46.68 | 56.16 | b | ||||||||||
1980 | 44.19 | 43.93 | a | 49.63 | 52.85 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 47.65 | h | |||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 41.67 | 44.90 | 50.29 | 54.65 | 62.74 | 72.35 | 73.89 | 71.94 | 67.54 | 58.54 | 49.53 | 42.48 | 57.72 | |||||||||||||
S.D. | 3.65 | 4.35 | 4.80 | 4.74 | 2.85 | 3.40 | 2.83 | 3.50 | 2.05 | 2.35 | 1.60 | 2.91 | 0.81 | |||||||||||||
SKEW | 0.47 | -0.51 | 0.11 | -0.19 | -0.75 | 0.74 | 0.06 | 0.27 | 0.71 | 0.22 | -0.26 | 0.56 | 0.35 | |||||||||||||
MAX | 50.43 | 51.90 | 59.27 | 61.97 | 67.95 | 80.02 | 79.40 | 78.43 | 72.38 | 62.44 | 51.82 | 47.27 | 58.97 | |||||||||||||
MIN | 35.58 | 36.59 | 41.23 | 44.97 | 55.23 | 66.81 | 68.97 | 66.23 | 63.80 | 55.11 | 46.58 | 39.06 | 56.69 | |||||||||||||
YRS | 14 | 15 | 15 | 15 | 15 | 14 | 14 | 15 | 15 | 12 | 12 | 13 | 7 |