YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1920 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 48.20 | 38.58 | 43.39 | j | ||
1921 | 40.23 | 43.68 | 50.62 | b | 50.00 | c | 56.97 | 69.50 | 73.63 | a | 72.90 | 74.86 | a | 64.48 | 50.62 | a | ----- | z | 58.86 | a | ||||||
1922 | 37.88 | g | 37.19 | a | 42.35 | ----- | z | 50.84 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 43.46 | i | ||
1923 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 65.78 | u | 74.58 | 73.68 | 65.59 | a | 50.52 | 47.57 | 40.77 | 58.78 | f | |||||
1924 | 34.52 | 40.59 | 40.83 | a | 49.13 | 61.52 | b | 68.93 | 76.23 | 74.68 | 68.64 | b | 52.53 | a | 44.97 | 37.39 | 54.16 | |||||||||
1925 | 34.16 | 41.43 | 46.43 | a | 51.37 | 61.48 | 68.41 | a | 76.87 | 73.94 | 66.07 | 56.03 | 44.73 | 40.45 | 55.11 | |||||||||||
1926 | 34.42 | 41.81 | a | 50.06 | 56.27 | 58.59 | b | 70.36 | b | 75.39 | 74.73 | a | 70.57 | 59.84 | 47.33 | 41.48 | 56.74 | |||||||||
1927 | 42.45 | 46.46 | 44.32 | 52.33 | 58.82 | c | 68.43 | 76.87 | 75.14 | b | 70.60 | 58.19 | 50.20 | 40.29 | 57.01 | |||||||||||
1928 | 37.63 | a | 41.45 | 48.84 | 51.03 | a | 63.38 | b | 67.03 | a | 76.42 | 73.90 | 69.97 | a | 57.42 | 47.77 | 39.26 | 56.18 | ||||||||
1929 | 36.48 | 38.37 | a | 43.97 | a | 49.07 | a | 59.71 | 67.07 | a | 76.67 | a | 75.23 | a | 68.70 | 58.84 | 41.17 | 40.03 | 54.61 | |||||||
1930 | 40.42 | 43.39 | 44.97 | b | 54.57 | 54.27 | a | 67.20 | 75.55 | 73.23 | 66.40 | 53.31 | b | 48.48 | a | 37.84 | 54.97 | |||||||||
1931 | 36.68 | 46.07 | 45.42 | 55.79 | a | 60.66 | b | 68.57 | 78.26 | 74.63 | a | 69.67 | 55.48 | 44.53 | 36.42 | 56.01 | ||||||||||
1932 | 31.58 | 42.64 | a | 44.83 | a | 50.50 | 57.16 | 64.76 | a | 75.74 | 74.79 | b | 68.55 | a | 55.97 | 43.86 | a | 36.52 | 53.91 | |||||||
1933 | 33.77 | 33.25 | 42.81 | 47.03 | 51.52 | 66.10 | 76.97 | 73.84 | 70.30 | 60.32 | 43.30 | 37.13 | 53.03 | |||||||||||||
1934 | 37.10 | 42.93 | 50.07 | b | 54.36 | b | 61.00 | 61.77 | 75.58 | 74.19 | 65.67 | 55.52 | 43.40 | 40.74 | 55.19 | |||||||||||
1935 | 37.87 | a | 43.25 | 41.32 | 50.30 | 53.69 | b | 64.80 | 72.39 | 72.65 | 65.97 | 51.68 | 39.93 | a | 38.61 | 52.70 | ||||||||||
1936 | 33.00 | 39.76 | 44.03 | 51.07 | 57.42 | 67.27 | 73.65 | 74.10 | 65.47 | 55.93 | a | 47.73 | 37.13 | 53.88 | ||||||||||||
1937 | 28.03 | 37.56 | a | 41.63 | a | 47.33 | 55.97 | 64.40 | 74.84 | 75.58 | 71.19 | c | 55.65 | 42.83 | 43.23 | 53.19 | ||||||||||
1938 | 38.97 | 42.37 | a | 44.00 | 49.66 | a | 55.16 | 64.40 | 72.32 | 73.10 | 69.23 | 52.83 | b | 37.30 | 40.74 | 53.34 | ||||||||||
1939 | 37.29 | 34.46 | b | 43.57 | a | 50.64 | b | 56.43 | a | 63.50 | 74.81 | 75.65 | 69.73 | 52.29 | 51.47 | 40.35 | 54.18 | |||||||||
1940 | 40.55 | 40.69 | 47.40 | a | 52.27 | 60.30 | a | 68.07 | a | 73.26 | 75.03 | 70.48 | c | 57.26 | 43.27 | 43.74 | 56.03 | |||||||||
1941 | 40.65 | 45.18 | 44.73 | a | 45.93 | 56.68 | 60.63 | 71.84 | 70.55 | 61.17 | 52.23 | 43.97 | 39.42 | 52.75 | ||||||||||||
1942 | 38.17 | a | 35.36 | 40.60 | a | 48.20 | 52.10 | 60.97 | 74.03 | 71.32 | 65.07 | 54.77 | 45.43 | 37.83 | a | 51.99 | ||||||||||
1943 | 37.52 | 40.64 | 44.94 | 48.97 | 55.97 | a | 61.86 | a | 72.23 | 74.37 | a | 66.17 | 55.48 | 41.57 | 40.84 | 53.38 | ||||||||||
1944 | 34.55 | 38.72 | 39.97 | a | 45.73 | 54.57 | a | 57.70 | 69.16 | 71.87 | a | 66.90 | 56.32 | 43.37 | 36.53 | a | 51.28 | |||||||||
1945 | 36.03 | 39.54 | b | 40.42 | 45.34 | a | 54.03 | 57.90 | 73.32 | 73.97 | a | 64.87 | 58.03 | 38.57 | 32.94 | 51.25 | ||||||||||
1946 | 36.13 | 33.21 | 42.83 | a | 52.10 | 53.39 | 61.63 | 73.19 | 73.84 | 67.97 | 50.65 | 39.23 | 38.48 | 51.89 | ||||||||||||
1947 | 32.06 | 38.68 | 44.39 | 47.47 | 57.81 | 62.00 | 73.23 | 72.47 | a | 67.63 | 54.29 | 39.47 | 34.90 | 52.03 | ||||||||||||
1948 | 32.77 | 37.28 | 40.61 | 47.97 | a | 53.52 | 61.63 | 71.26 | 73.13 | 66.97 | 58.00 | 37.47 | 37.00 | 51.47 | ||||||||||||
1949 | 33.39 | 35.43 | 41.55 | b | 51.93 | a | 55.03 | 65.00 | 74.16 | 67.74 | 69.93 | a | 52.13 | 46.45 | a | 37.16 | 52.49 | |||||||||
1950 | 33.60 | a | 41.00 | 42.77 | 51.52 | a | 53.55 | 61.73 | 73.87 | 68.52 | 63.47 | 57.60 | a | 44.41 | a | 38.71 | 52.56 | |||||||||
1951 | 35.55 | 39.57 | 42.19 | 49.50 | 55.52 | 60.30 | 74.03 | 71.61 | 63.53 | 54.65 | 43.83 | 37.97 | 52.35 | |||||||||||||
1952 | 35.16 | 36.03 | 39.88 | g | 49.77 | 58.10 | 61.60 | 70.48 | 73.68 | 67.90 | 55.81 | 42.73 | 36.55 | 53.44 | a | |||||||||||
1953 | 37.23 | 35.46 | 44.29 | 48.89 | b | 51.77 | a | 60.87 | 72.68 | 69.00 | a | 61.20 | 51.06 | 43.70 | 31.68 | 50.65 | ||||||||||
1954 | 35.61 | 42.25 | 41.42 | 50.53 | 58.06 | 63.97 | 76.42 | 71.84 | 67.97 | 54.03 | 43.00 | 36.13 | 53.44 | |||||||||||||
1955 | 37.50 | i | 32.89 | 41.73 | i | 44.40 | 54.10 | 60.50 | 68.10 | 72.71 | 63.70 | 56.52 | 42.23 | 38.45 | 53.36 | b | ||||||||||
1956 | 40.32 | 35.79 | 41.13 | 47.23 | 56.71 | 68.00 | 73.19 | 70.24 | j | 66.63 | 52.55 | 37.83 | 34.16 | 50.32 | a | |||||||||||
1957 | 43.97 | 46.50 | 44.68 | 48.38 | a | 54.48 | 66.33 | 74.74 | 73.26 | 63.43 | 56.06 | 40.70 | 38.48 | 54.25 | ||||||||||||
1958 | 34.45 | 42.71 | 42.74 | 47.90 | 61.00 | 67.33 | 73.23 | 75.77 | 68.07 | 59.06 | 44.43 | 36.74 | 54.45 | |||||||||||||
1959 | 35.71 | 36.68 | 43.00 | 52.20 | 55.19 | 69.17 | 76.61 | 73.68 | 65.32 | k | 54.55 | 44.73 | 40.68 | 52.93 | a | |||||||||||
1960 | 34.29 | 34.90 | 48.10 | 52.87 | 59.26 | 71.33 | 76.87 | 75.48 | 70.33 | 57.52 | 45.10 | 36.61 | 55.22 | |||||||||||||
1961 | 40.32 | 41.32 | 45.87 | 52.47 | 59.52 | 71.80 | 78.10 | 75.29 | 66.20 | 55.48 | 43.93 | 39.87 | 55.85 | |||||||||||||
1962 | 38.55 | 43.61 | 40.16 | 53.77 | 55.35 | 63.23 | 72.84 | 72.90 | 68.43 | 54.71 | 46.27 | 39.55 | 54.11 | |||||||||||||
1963 | 33.23 | 43.32 | 42.90 | 47.43 | ----- | z | ----- | z | 76.58 | 73.74 | 70.47 | 57.58 | 46.37 | 37.03 | a | 52.87 | b | |||||||||
1964 | 33.13 | 34.24 | 42.97 | 50.97 | 58.45 | 66.57 | 76.65 | 73.42 | 66.97 | 58.90 | 40.80 | 37.58 | 53.39 | |||||||||||||
1965 | 39.35 | 37.43 | 42.74 | 49.67 | 57.23 | 62.70 | 76.81 | 74.16 | 64.87 | 57.87 | a | 49.17 | a | 40.97 | 54.41 | |||||||||||
1966 | 35.26 | 37.79 | 46.61 | 53.10 | 63.35 | 69.23 | 77.29 | 75.81 | 70.23 | 55.06 | 45.70 | 37.90 | a | 55.61 | ||||||||||||
1967 | 34.65 | 38.64 | 46.81 | 47.13 | 58.10 | 66.13 | 77.06 | 75.77 | 69.70 | 57.39 | 49.27 | 35.32 | 54.66 | |||||||||||||
1968 | 37.06 | 44.90 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 40.98 | j | ||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 36.31 | 39.71 | 44.00 | 50.09 | 56.84 | 65.02 | 74.52 | 73.49 | 67.50 | 55.70 | 44.22 | 38.27 | 53.84 | |||||||||||||
S.D. | 3.14 | 3.77 | 2.76 | 2.75 | 3.13 | 3.60 | 2.30 | 1.86 | 2.81 | 2.82 | 3.50 | 2.43 | 1.62 | |||||||||||||
SKEW | 0.13 | -0.05 | 0.72 | 0.15 | 0.17 | -0.09 | -0.62 | -1.29 | -0.15 | 0.36 | -0.05 | -0.25 | 0.01 | |||||||||||||
MAX | 43.97 | 46.50 | 50.62 | 56.27 | 63.38 | 71.80 | 78.26 | 75.81 | 74.86 | 64.48 | 51.47 | 43.74 | 57.01 | |||||||||||||
MIN | 28.03 | 32.89 | 39.97 | 44.40 | 50.84 | 57.70 | 68.10 | 67.74 | 61.17 | 50.52 | 37.30 | 31.68 | 50.65 | |||||||||||||
YRS | 45 | 47 | 44 | 45 | 45 | 44 | 46 | 45 | 45 | 46 | 47 | 46 | 39 |