YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
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 | 29.73 | a | 33.39 | b | 33.63 | 51.42 | 56.76 | 64.71 | a | 69.33 | d | 67.38 | b | 62.50 | 50.10 | a | 34.72 | 36.15 | a | 49.15 | ||||||
1949 | 19.75 | u | 33.43 | e | 40.55 | 46.86 | a | 55.08 | a | 63.59 | a | 69.82 | i | 67.40 | f | 63.46 | f | 47.92 | a | 42.75 | 27.35 | 44.69 | d | |||
1950 | 32.53 | 38.27 | 41.44 | 49.58 | 53.97 | a | 63.10 | d | 67.19 | 64.98 | 58.83 | 55.39 | c | 42.57 | a | 37.60 | f | 51.62 | a | |||||||
1951 | 31.84 | 34.42 | d | 37.69 | m | 45.05 | b | 51.06 | v | 57.78 | l | 70.16 | 66.64 | c | 63.13 | 50.81 | 38.13 | 31.88 | c | 48.01 | c | |||||
1952 | 35.45 | a | 35.56 | d | 34.53 | 46.80 | 56.62 | a | 65.75 | b | 67.55 | 67.98 | b | 60.53 | 52.08 | f | 34.93 | 30.73 | i | 50.57 | b | |||||
1953 | 35.32 | l | 31.40 | h | 42.26 | b | 46.97 | n | 48.88 | c | 66.09 | c | 69.10 | e | 66.57 | a | ----- | z | ----- | z | ----- | z | 27.86 | c | 53.46 | f |
1954 | 34.19 | r | 38.22 | a | 39.08 | f | 52.29 | d | 57.68 | c | 64.55 | a | 71.88 | k | 65.93 | a | 63.84 | e | 53.33 | d | 42.29 | f | 31.97 | b | 53.48 | d |
1955 | 30.21 | 29.48 | b | 40.62 | e | 44.98 | c | 53.97 | b | 62.63 | c | 67.98 | e | 67.34 | f | 62.32 | 55.25 | i | 39.25 | r | 37.12 | c | 47.70 | c | ||
1956 | 35.74 | 30.30 | d | 41.88 | b | 44.89 | b | 57.64 | i | 67.54 | f | 68.71 | j | 63.66 | i | 63.91 | a | 50.04 | e | 34.58 | 30.00 | 41.42 | d | |||
1957 | 35.31 | b | 43.09 | l | ----- | z | 47.64 | h | ----- | z | 65.81 | a | 69.87 | 65.56 | 60.55 | 49.16 | b | 37.32 | 36.63 | d | 52.53 | d | ||||
1958 | 27.29 | 39.43 | 37.63 | 46.62 | 57.71 | b | 68.03 | 70.00 | 69.34 | 61.12 | f | 51.21 | 39.91 | b | 36.86 | c | 49.46 | a | ||||||||
1959 | 33.83 | a | 36.11 | e | 39.17 | b | 50.30 | 55.53 | b | 67.35 | 70.22 | a | 66.72 | d | 60.90 | 51.85 | 40.32 | 31.30 | d | 50.30 | ||||||
1960 | 22.65 | d | 32.55 | g | 43.87 | 49.90 | e | 54.14 | i | 66.96 | d | 69.77 | a | 68.97 | 62.55 | a | 49.66 | 41.87 | o | 25.56 | e | 51.10 | c | |||
1961 | 25.19 | e | ----- | z | 43.23 | k | 49.12 | 55.62 | b | 67.38 | 70.21 | b | 67.19 | b | 59.17 | l | 50.33 | h | 37.17 | f | 30.87 | l | 55.78 | f | ||
1962 | ----- | z | 38.98 | h | 35.75 | i | 51.67 | g | 56.40 | b | 61.38 | d | 63.79 | c | 68.76 | n | 60.59 | a | 51.35 | 41.70 | g | 34.67 | j | 58.70 | g | |
1963 | 30.02 | 31.50 | i | 41.87 | a | 57.41 | n | 58.13 | a | 62.68 | 70.15 | 65.15 | 62.21 | a | 52.28 | h | 40.64 | e | 30.83 | m | 53.85 | d | ||||
1964 | 24.66 | f | 25.37 | f | 35.89 | h | 47.85 | f | 55.33 | k | 65.15 | j | ----- | z | 65.75 | m | 58.62 | j | 50.52 | f | 37.89 | g | 36.04 | q | ----- | z |
1965 | 34.06 | 27.75 | d | 34.00 | h | ----- | z | 50.59 | n | 60.37 | ----- | z | 65.87 | d | ----- | z | ----- | z | 40.12 | 30.79 | 43.16 | f | ||||
1966 | ----- | z | 27.00 | a | 39.78 | a | 47.29 | a | ----- | z | 66.22 | u | 69.68 | 65.66 | c | 59.90 | 47.30 | h | ----- | z | ----- | z | 51.55 | f | ||
1967 | ----- | z | ----- | z | 47.58 | 48.93 | c | 53.98 | 63.93 | 70.40 | 65.21 | 59.92 | d | 51.97 | 43.43 | 26.47 | 53.18 | b | ||||||||
1968 | 20.34 | 36.88 | 41.17 | a | ----- | z | 54.11 | 64.46 | c | 67.39 | 62.66 | 57.98 | 50.97 | 37.48 | 26.33 | a | 47.25 | a | ||||||||
1969 | 33.92 | a | 34.64 | 35.73 | a | 47.63 | 55.70 | a | 63.68 | 69.52 | d | 69.26 | b | 60.90 | 49.56 | 37.07 | 34.90 | b | 49.38 | |||||||
1970 | 27.27 | 37.43 | 37.52 | 42.35 | 55.63 | 62.13 | d | 70.39 | l | 67.23 | 60.55 | 45.38 | e | 41.93 | 34.31 | j | 47.74 | b | ||||||||
1971 | 30.20 | i | 34.25 | 40.15 | 44.92 | f | 51.91 | b | 64.55 | 70.66 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 52.30 | g | ||||
1972 | ----- | z | ----- | z | 45.18 | 48.20 | 53.26 | f | 61.68 | 66.73 | 65.61 | 59.05 | 51.42 | 35.83 | i | ----- | z | 56.84 | e | |||||||
1973 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 53.50 | w | 48.85 | a | 39.56 | c | ----- | z | 44.20 | j |
1974 | 32.26 | 30.41 | e | 42.42 | 41.17 | g | 57.97 | b | ----- | z | 67.26 | b | 64.29 | g | 58.52 | f | 49.40 | k | 40.35 | m | ----- | z | 46.06 | g | ||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 30.45 | 33.94 | 40.37 | 47.78 | 55.31 | 64.33 | 68.85 | 66.52 | 61.12 | 50.53 | 39.09 | 31.41 | 49.61 | |||||||||||||
S.D. | 4.57 | 3.78 | 3.50 | 2.59 | 2.32 | 2.13 | 1.74 | 1.66 | 1.71 | 2.20 | 2.90 | 4.15 | 0.61 | |||||||||||||
SKEW | -0.80 | -0.41 | -0.13 | -0.20 | -1.16 | 0.05 | -1.33 | -0.09 | 0.03 | -0.11 | -0.18 | 0.08 | 0.60 | |||||||||||||
MAX | 35.74 | 39.43 | 47.58 | 52.29 | 58.13 | 68.03 | 70.66 | 69.34 | 63.91 | 55.39 | 43.43 | 37.12 | 50.30 | |||||||||||||
MIN | 20.34 | 27.00 | 33.63 | 42.35 | 48.88 | 60.37 | 63.79 | 62.66 | 57.98 | 45.38 | 34.58 | 25.56 | 49.15 | |||||||||||||
YRS | 17 | 17 | 19 | 17 | 18 | 21 | 20 | 19 | 18 | 17 | 16 | 15 | 3 |