YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1932 | 41.16 | 57.83 | 50.52 | 67.97 | 77.48 | 84.45 | a | 97.73 | a | 92.71 | 82.79 | b | 68.70 | a | 59.60 | 36.42 | 68.11 | |||||||||
1933 | 50.84 | 46.61 | 59.65 | 63.97 | 73.26 | 91.70 | 94.42 | 88.90 | 87.63 | 74.50 | a | 60.97 | 54.81 | 70.60 | ||||||||||||
1934 | 52.84 | 50.11 | 61.03 | a | 69.45 | a | 86.30 | h | 92.80 | 100.03 | 94.52 | 81.77 | 78.39 | h | 59.00 | w | 50.32 | 72.54 | c | |||||||
1935 | 54.94 | 52.71 | 62.06 | 64.03 | 65.81 | 86.43 | 96.77 | a | 93.77 | ----- | z | ----- | z | ----- | z | ----- | z | 72.07 | d | |||||||
1936 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1937 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
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 | 65.50 | f | 80.84 | 95.72 | a | 92.45 | b | 90.42 | e | 89.52 | c | 74.93 | a | 52.33 | 50.65 | 78.36 | d | |||
1957 | 40.87 | 57.46 | d | 52.97 | b | 57.47 | 69.58 | 82.50 | 92.58 | 88.93 | b | 81.38 | a | 67.39 | 48.05 | i | 56.80 | a | 67.99 | a | ||||||
1958 | 48.97 | 49.57 | 42.77 | 61.07 | 79.58 | 87.83 | a | 87.52 | 93.00 | 84.07 | a | 71.26 | 58.23 | 49.42 | 67.77 | |||||||||||
1959 | 44.42 | 45.00 | 57.13 | 64.07 | 75.73 | a | 91.10 | a | 93.00 | b | 93.35 | k | 78.63 | 64.55 | 55.60 | 50.55 | b | 65.44 | a | |||||||
1960 | 41.03 | 34.93 | 51.19 | 69.50 | 75.16 | 88.43 | 93.44 | m | 92.71 | 83.83 | 69.86 | c | 57.07 | 40.65 | 64.03 | a | ||||||||||
1961 | 46.58 | 49.43 | 53.90 | a | 64.27 | 75.19 | 87.00 | m | 88.61 | 88.26 | 77.04 | b | 72.32 | i | 52.10 | 41.45 | 63.68 | b | ||||||||
1962 | 39.13 | 53.04 | 54.74 | 69.10 | 81.39 | 83.96 | b | 88.97 | 92.23 | i | 81.52 | c | 75.46 | c | 57.33 | 51.68 | 66.94 | a | ||||||||
1963 | 38.29 | 55.71 | 58.70 | a | 71.90 | a | 81.26 | 90.13 | 97.06 | 88.27 | a | 85.21 | a | 80.55 | i | 59.50 | 43.32 | 69.94 | a | |||||||
1964 | 48.77 | 44.59 | 51.81 | 66.10 | 78.90 | 86.07 | 97.03 | 90.19 | 81.20 | 73.80 | f | 54.48 | a | 49.16 | 68.03 | a | ||||||||||
1965 | 52.77 | 47.82 | 44.33 | a | 69.23 | 78.32 | 81.39 | b | 91.07 | a | 84.00 | 73.60 | 76.12 | g | 62.03 | 49.58 | 66.74 | a | ||||||||
1966 | 38.52 | 41.93 | 62.89 | c | 66.60 | 81.48 | 88.48 | a | 95.17 | a | 84.00 | a | 80.71 | b | 72.83 | g | 58.14 | a | 46.63 | a | 67.69 | a | ||||
1967 | 50.35 | 53.21 | 64.16 | 71.27 | 72.87 | 82.20 | 88.42 | 85.40 | a | 78.73 | 72.62 | g | 57.10 | 39.00 | 67.52 | a | ||||||||||
1968 | 47.70 | a | 50.21 | 59.65 | 63.43 | 72.29 | 89.11 | c | 88.81 | 85.03 | a | 80.97 | a | 75.00 | g | 52.40 | 44.58 | 66.74 | a | |||||||
1969 | 50.32 | 51.14 | 45.77 | 69.03 | 75.35 | 80.97 | 91.90 | 89.71 | 81.38 | a | 57.65 | h | 55.90 | 47.26 | 67.16 | a | ||||||||||
1970 | 46.57 | a | 55.44 | a | 48.74 | 62.63 | 79.48 | 85.41 | a | 90.70 | a | 91.58 | 81.78 | g | 64.00 | f | 55.40 | 51.23 | 66.72 | b | ||||||
1971 | 45.42 | 48.57 | 59.19 | 64.67 | 72.58 | 90.23 | 88.10 | 87.10 | 77.37 | 67.77 | a | 54.53 | 46.26 | 66.82 | ||||||||||||
1972 | 45.42 | 54.64 | a | 64.03 | 68.31 | a | 74.39 | 86.97 | 88.48 | 86.52 | b | 78.00 | j | 66.43 | a | 43.30 | 34.27 | a | 64.80 | a | ||||||
1973 | 40.00 | 49.54 | 52.32 | 60.03 | a | 70.06 | 86.18 | h | 87.74 | 90.71 | g | 75.77 | 73.10 | 55.00 | 46.58 | 61.01 | b | |||||||||
1974 | 40.35 | 53.43 | 62.11 | c | 67.92 | d | ----- | z | 87.00 | c | 93.87 | a | 85.30 | a | 78.69 | a | 71.57 | a | 55.74 | c | ----- | z | 69.60 | b | ||
1975 | 42.29 | 48.04 | a | 57.11 | c | 65.97 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 53.35 | h | ||
1976 | ----- | z | 57.48 | f | 57.53 | a | 66.59 | c | 74.72 | b | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 49.78 | h | 66.28 | i |
1977 | 41.12 | o | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 96.46 | r | 87.44 | o | 85.94 | n | 72.74 | d | 58.80 | e | 50.94 | m | 65.77 | j |
1978 | 34.00 | w | ----- | z | ----- | z | ----- | z | ----- | z | 81.17 | r | 90.89 | v | ----- | z | ----- | z | ----- | z | 45.58 | r | ----- | z | ----- | z |
1979 | ----- | z | ----- | z | 57.18 | n | 71.39 | l | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 45.55 | 50.04 | 55.60 | 66.02 | 75.72 | 87.28 | 92.29 | 89.02 | 81.09 | 70.63 | 55.98 | 46.70 | 68.33 | |||||||||||||
S.D. | 5.09 | 5.27 | 6.22 | 3.59 | 4.25 | 3.92 | 3.79 | 3.33 | 3.86 | 3.49 | 3.98 | 5.82 | 1.61 | |||||||||||||
SKEW | 0.15 | -0.92 | -0.48 | -0.49 | -0.41 | 0.18 | 0.39 | 0.03 | 0.25 | -0.18 | -1.39 | -0.48 | 0.75 | |||||||||||||
MAX | 54.94 | 57.83 | 64.16 | 71.90 | 81.48 | 95.72 | 100.03 | 94.52 | 89.52 | 75.46 | 62.03 | 56.80 | 70.60 | |||||||||||||
MIN | 38.29 | 34.93 | 42.77 | 57.47 | 65.81 | 80.97 | 87.52 | 84.00 | 73.60 | 64.55 | 43.30 | 34.27 | 66.82 | |||||||||||||
YRS | 23 | 23 | 24 | 24 | 22 | 21 | 22 | 20 | 20 | 13 | 21 | 21 | 4 |