YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1930 | 19.66 | 38.25 | 32.23 | 49.67 | 50.34 | 63.28 | 66.32 | 66.23 | 59.28 | 46.23 | 33.53 | 23.34 | 45.70 | |||||||||||||
1931 | 27.65 | 32.80 | 31.79 | 41.00 | b | 47.69 | 63.65 | 63.40 | 59.10 | 57.57 | 45.60 | 31.65 | 26.23 | 44.01 | ||||||||||||
1932 | 21.42 | 33.41 | 28.42 | 41.52 | 48.05 | 53.12 | 62.98 | 75.15 | 61.85 | 41.31 | 34.72 | 21.19 | 43.59 | |||||||||||||
1933 | 26.83 | a | 22.91 | 33.05 | 35.92 | 45.50 | a | 61.07 | 66.03 | a | 62.63 | 58.08 | 49.47 | 39.75 | 38.08 | 44.94 | ||||||||||
1934 | 31.84 | 34.41 | 38.77 | a | 47.25 | 56.89 | 65.88 | 71.73 | 70.52 | 58.43 | 51.97 | 38.15 | 30.85 | 49.72 | ||||||||||||
1935 | 35.77 | 32.98 | a | 40.79 | 45.30 | 49.08 | 62.73 | 69.34 | 67.80 | a | 59.55 | 49.15 | 37.42 | 29.29 | 48.27 | |||||||||||
1936 | 27.18 | 28.62 | 38.61 | 46.69 | a | 55.73 | 66.67 | 69.76 | 69.73 | 57.27 | 47.12 | a | 36.97 | 30.88 | a | 47.93 | ||||||||||
1937 | 20.90 | 31.88 | 32.45 | 44.57 | 56.94 | 63.90 | 70.58 | 70.23 | 62.67 | 49.81 | 36.57 | 31.02 | 47.62 | |||||||||||||
1938 | 28.58 | 32.29 | 39.27 | 43.98 | 53.24 | 62.65 | 67.74 | 68.15 | 60.38 | 50.89 | 33.12 | 30.35 | 47.55 | |||||||||||||
1939 | 26.02 | 21.79 | b | 37.27 | 44.92 | 55.37 | 63.78 | 68.44 | 65.19 | 62.33 | 47.89 | 35.35 | 32.61 | 46.75 | ||||||||||||
1940 | 23.76 | b | 29.74 | 35.91 | b | 42.93 | 55.00 | 63.02 | 70.48 | 64.58 | 60.92 | 50.02 | 33.27 | 27.53 | 46.43 | |||||||||||
1941 | 24.69 | 31.14 | 33.87 | 40.12 | 53.42 | 58.05 | a | 63.74 | 63.37 | 56.62 | 44.85 | ----- | z | 26.45 | 45.12 | a | ||||||||||
1942 | 26.47 | 26.20 | 33.17 | a | 44.77 | 53.34 | 62.00 | a | 66.93 | a | 65.26 | 56.32 | 46.56 | 40.72 | 33.13 | a | 46.24 | |||||||||
1943 | 30.77 | 35.93 | 36.25 | a | 50.80 | 52.15 | d | 63.07 | a | 66.24 | 68.11 | 56.70 | 45.58 | a | 40.43 | c | 26.37 | l | 49.64 | a | ||||||
1944 | 23.94 | 29.76 | b | 31.62 | a | 38.77 | 52.08 | 61.12 | a | 64.48 | 66.03 | 58.37 | 50.00 | a | 37.12 | 30.24 | 45.29 | |||||||||
1945 | 26.71 | c | 32.87 | a | 37.13 | 42.08 | d | 53.47 | b | 58.75 | b | 65.21 | b | 65.43 | a | 57.44 | c | 48.19 | b | 33.78 | 21.81 | 45.24 | ||||
1946 | 22.57 | k | 27.02 | a | 35.34 | b | 47.45 | b | 48.58 | a | 64.43 | 65.98 | 64.31 | 58.20 | 47.30 | a | 33.36 | a | ----- | z | 49.20 | b | ||||
1947 | 26.31 | b | 28.59 | a | 33.82 | 44.03 | a | 52.33 | e | 62.74 | a | 66.27 | 66.08 | a | 58.55 | 52.06 | 33.83 | 22.97 | 45.63 | |||||||
1948 | 23.60 | 24.32 | a | 28.60 | 49.27 | 53.90 | a | 60.52 | 66.24 | 64.56 | 60.65 | 47.42 | 32.38 | 31.78 | b | 45.27 | ||||||||||
1949 | 22.90 | 30.54 | 37.27 | 44.50 | 54.98 | a | 60.30 | 66.05 | 65.85 | 59.07 | 47.02 | a | 41.22 | 30.17 | a | 46.66 | ||||||||||
1950 | 29.94 | 35.61 | 35.48 | 46.27 | 54.55 | 64.45 | 63.66 | 63.71 | 57.55 | i | 53.50 | 38.17 | 31.03 | 46.94 | a | |||||||||||
1951 | 24.44 | 34.04 | 37.27 | a | 42.78 | 53.87 | 60.83 | 69.26 | 66.84 | 59.12 | 47.47 | 32.58 | 29.61 | 46.51 | ||||||||||||
1952 | 30.77 | 29.90 | 31.68 | 44.37 | 53.56 | 68.50 | 66.97 | 67.19 | 57.52 | 47.02 | 29.78 | 25.79 | 46.09 | |||||||||||||
1953 | 32.77 | 28.43 | 39.87 | 43.50 | 50.21 | 67.91 | a | 69.11 | 64.71 | 59.60 | 47.92 | 37.83 | 25.22 | a | 47.26 | |||||||||||
1954 | 31.60 | 38.09 | 35.24 | 50.43 | 52.21 | 64.72 | 69.73 | 65.44 | 62.15 | 50.58 | 38.37 | 31.45 | 49.17 | |||||||||||||
1955 | 26.81 | 23.43 | a | 34.72 | a | 43.50 | 52.34 | 58.98 | 65.29 | 63.56 | 57.80 | 47.87 | 35.67 | 32.08 | 45.17 | |||||||||||
1956 | 29.68 | 25.29 | 34.73 | 40.86 | a | 56.66 | 64.72 | 64.63 | 62.81 | 59.02 | 48.19 | 31.03 | 28.76 | 45.53 | ||||||||||||
1957 | 29.81 | 37.73 | 37.07 | c | 40.93 | 50.06 | 61.78 | 69.26 | 65.22 | a | 56.48 | 47.77 | 28.59 | b | 32.82 | 46.46 | ||||||||||
1958 | 27.56 | 34.43 | 29.88 | a | 41.33 | 55.44 | 63.12 | 65.16 | 64.94 | 59.13 | 51.12 | r | ----- | z | 29.24 | d | 47.02 | b | ||||||||
1959 | 22.74 | b | 30.71 | 34.08 | 42.42 | 53.34 | 63.18 | 65.11 | 66.60 | 56.03 | 45.55 | 35.25 | 31.86 | c | 45.57 | |||||||||||
1960 | 22.95 | 22.91 | a | 36.52 | 46.63 | 52.32 | 62.73 | 64.42 | 66.11 | 59.35 | 47.55 | 37.48 | 24.52 | 45.29 | ||||||||||||
1961 | 22.87 | 29.50 | 36.22 | a | 42.25 | 54.18 | 62.02 | a | 64.27 | 63.71 | 55.16 | a | 46.52 | 32.78 | 24.68 | 44.51 | ||||||||||
1962 | 23.71 | 34.34 | 32.19 | 46.47 | 54.76 | 58.07 | 64.23 | 64.55 | 58.33 | 49.79 | 36.68 | 30.26 | 46.11 | |||||||||||||
1963 | 21.42 | 30.89 | 35.74 | 47.38 | 55.52 | 63.30 | 69.55 | 64.87 | 60.52 | 51.77 | a | 38.17 | 25.37 | 47.04 | ||||||||||||
1964 | 25.21 | 21.36 | 32.00 | 42.37 | 54.40 | 62.58 | 68.50 | 65.10 | 58.52 | 47.39 | 36.27 | 26.16 | 44.99 | |||||||||||||
1965 | 30.98 | f | 26.88 | 27.61 | 45.81 | a | 51.31 | 58.43 | 64.94 | 62.24 | 54.40 | 47.21 | 40.28 | 31.21 | 46.39 | a | ||||||||||
1966 | 20.23 | 25.71 | 35.90 | g | 44.40 | 53.65 | 61.68 | 68.94 | 62.24 | 57.77 | 46.87 | l | 38.22 | 26.26 | 45.91 | b | ||||||||||
1967 | 27.40 | 28.57 | 40.58 | 46.78 | 49.42 | 60.32 | 65.11 | 60.77 | 55.24 | a | 47.98 | ----- | z | ----- | z | 48.22 | b | |||||||||
1968 | 27.61 | ----- | z | 36.44 | n | 40.52 | 52.02 | e | 63.50 | 65.32 | a | 63.44 | 56.78 | 48.95 | ----- | z | ----- | z | 52.27 | d | ||||||
1969 | 33.60 | 29.62 | 28.47 | 47.14 | e | 54.02 | 58.48 | a | 67.37 | 66.15 | 58.07 | 43.58 | a | 35.52 | j | 32.59 | n | 48.65 | b | |||||||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 26.48 | 30.07 | 34.60 | 44.29 | 52.80 | 62.25 | 66.72 | 65.46 | 58.49 | 48.03 | 35.73 | 28.69 | 46.22 | |||||||||||||
S.D. | 3.93 | 4.54 | 3.46 | 3.22 | 2.66 | 2.89 | 2.31 | 2.82 | 1.98 | 2.41 | 3.20 | 3.73 | 1.42 | |||||||||||||
SKEW | 0.32 | -0.13 | -0.22 | -0.10 | -0.73 | -0.53 | 0.35 | 0.90 | 0.22 | -0.14 | -0.23 | -0.08 | 0.57 | |||||||||||||
MAX | 35.77 | 38.25 | 40.79 | 50.80 | 56.94 | 68.50 | 71.73 | 75.15 | 62.67 | 53.50 | 41.22 | 38.08 | 49.72 | |||||||||||||
MIN | 19.66 | 21.36 | 27.61 | 35.92 | 45.50 | 53.12 | 62.98 | 59.10 | 54.40 | 41.31 | 28.59 | 21.19 | 43.59 | |||||||||||||
YRS | 38 | 39 | 38 | 40 | 40 | 40 | 40 | 40 | 39 | 38 | 35 | 35 | 30 |