YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1940 | 31.35 | 38.07 | a | 52.48 | 61.97 | a | 75.19 | 84.79 | b | 87.67 | a | 88.23 | a | 77.30 | 58.62 | b | 36.07 | a | 34.67 | a | 60.53 | |||||
1941 | 35.16 | 41.75 | 58.70 | h | 68.37 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 48.43 | i | |||
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 | 64.62 | r | 70.50 | 86.19 | e | 83.13 | a | 75.60 | 62.39 | 46.53 | 36.90 | 65.89 | e | |||||
1954 | 32.52 | 41.50 | 48.52 | 57.62 | a | 70.37 | a | 72.07 | a | 83.43 | a | 78.61 | 71.27 | d | 58.00 | 47.37 | 36.94 | 58.18 | ||||||||
1955 | 34.90 | a | 36.19 | a | 42.37 | a | 54.17 | 65.10 | 80.07 | 81.13 | 87.03 | 74.93 | 58.03 | 41.29 | b | 34.77 | 57.50 | |||||||||
1956 | 34.80 | a | 31.93 | 45.52 | 65.33 | 74.93 | a | 72.87 | 88.58 | 85.52 | 77.87 | 57.32 | 40.07 | 35.94 | 59.22 | |||||||||||
1957 | 23.03 | 36.79 | 48.68 | 62.93 | 74.45 | 76.53 | 84.00 | 81.97 | 80.20 | 56.20 | a | 42.63 | 39.87 | 58.94 | ||||||||||||
1958 | 38.10 | 45.39 | 51.16 | 59.43 | 80.58 | 82.80 | 90.06 | 92.29 | ----- | z | ----- | z | ----- | z | ----- | z | 67.48 | d | ||||||||
1959 | ----- | z | 34.89 | 50.23 | 64.34 | a | 66.74 | 77.27 | 86.87 | 80.39 | 68.90 | 56.52 | 39.69 | a | 34.71 | 60.05 | a | |||||||||
1960 | 29.27 | a | 39.90 | 50.23 | 60.53 | 65.61 | 78.97 | 92.87 | a | 81.16 | 77.40 | 62.06 | 43.40 | 33.19 | 59.55 | |||||||||||
1961 | 37.06 | 43.37 | a | 51.71 | 59.43 | 69.45 | 84.33 | 88.13 | 91.16 | 72.50 | 57.79 | b | 40.37 | 33.32 | 60.72 | |||||||||||
1962 | 29.58 | 39.93 | 46.87 | 66.00 | a | 64.43 | a | 76.33 | 84.73 | a | 81.20 | a | 78.47 | 58.00 | b | 45.30 | 38.06 | 59.08 | ||||||||
1963 | 29.97 | a | 42.15 | a | 53.39 | c | 58.60 | 70.90 | a | 76.90 | 81.97 | a | 86.77 | a | 81.63 | c | 62.83 | a | 43.80 | 33.52 | 60.20 | |||||
1964 | 35.47 | a | 40.41 | 46.52 | 59.68 | b | 68.71 | 76.10 | 85.94 | 79.26 | 71.83 | 61.06 | 41.60 | 30.13 | 58.06 | |||||||||||
1965 | 33.77 | 40.70 | a | 46.87 | 62.23 | 68.68 | 78.07 | 86.21 | c | ----- | z | 70.30 | 63.19 | 45.50 | 36.93 | b | 57.50 | a | ||||||||
1966 | 34.32 | 40.96 | 49.90 | 62.13 | 73.94 | 73.41 | a | 83.24 | b | 85.23 | 79.45 | a | 59.28 | b | 44.87 | 38.29 | 60.42 | |||||||||
1967 | 39.03 | a | 45.86 | 48.03 | 56.47 | 68.93 | a | 80.68 | b | 86.92 | f | 91.87 | 83.41 | c | 59.23 | 44.03 | 32.61 | 59.10 | a | |||||||
1968 | 33.03 | 45.86 | 53.84 | 59.43 | 69.71 | 76.77 | 88.48 | 79.42 | 73.70 | 55.61 | 42.20 | 32.63 | a | 59.22 | ||||||||||||
1969 | 24.00 | 37.46 | 51.00 | b | 60.00 | 73.06 | 80.41 | a | 83.35 | 85.16 | 73.63 | 55.55 | 42.90 | 34.16 | 58.39 | |||||||||||
1970 | 32.55 | 41.93 | a | 49.45 | b | 55.43 | 71.77 | 81.70 | 87.58 | 88.17 | a | 69.90 | 56.68 | 42.17 | 32.58 | 59.16 | ||||||||||
1971 | 34.48 | b | 38.33 | a | 43.48 | 59.24 | a | 71.90 | 72.33 | 84.94 | 90.26 | 69.30 | 56.03 | 41.20 | 30.77 | 57.69 | ||||||||||
1972 | 30.30 | a | 38.83 | 52.42 | 56.43 | 70.55 | b | 75.33 | 82.03 | 86.42 | 69.73 | 59.39 | 42.00 | 31.29 | 57.89 | |||||||||||
1973 | 32.32 | 40.00 | 51.84 | ----- | z | 72.35 | 77.67 | 89.03 | b | 86.26 | 74.40 | 55.90 | 38.21 | b | 36.34 | b | 59.49 | a | ||||||||
1974 | 32.97 | 41.29 | 49.42 | 59.93 | 65.26 | 82.87 | 83.45 | 85.81 | 79.52 | g | ----- | z | ----- | z | ----- | z | 62.62 | d | ||||||||
1975 | ----- | z | ----- | z | 43.43 | a | 54.80 | ----- | z | 78.86 | p | ----- | z | 81.85 | e | 78.33 | f | ----- | z | ----- | z | ----- | z | 60.03 | i | |
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 32.64 | 40.15 | 49.02 | 60.20 | 70.57 | 77.77 | 85.90 | 85.09 | 74.84 | 58.56 | 42.44 | 34.65 | 59.05 | |||||||||||||
S.D. | 3.93 | 3.41 | 3.23 | 3.64 | 3.94 | 4.01 | 2.98 | 4.13 | 4.31 | 2.47 | 2.74 | 2.62 | 1.04 | |||||||||||||
SKEW | -0.84 | -0.31 | -0.52 | 0.36 | 0.45 | 0.03 | 0.36 | 0.11 | 0.31 | 0.60 | -0.30 | 0.15 | 0.16 | |||||||||||||
MAX | 39.03 | 45.86 | 53.84 | 68.37 | 80.58 | 84.79 | 92.87 | 92.29 | 83.41 | 63.19 | 47.37 | 39.87 | 60.72 | |||||||||||||
MIN | 23.03 | 31.93 | 42.37 | 54.17 | 64.43 | 70.50 | 81.13 | 78.61 | 68.90 | 55.55 | 36.07 | 30.13 | 57.50 | |||||||||||||
YRS | 22 | 23 | 23 | 23 | 22 | 23 | 22 | 23 | 21 | 21 | 21 | 21 | 16 |