YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1914 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 62.52 | 60.27 | 39.47 | a | 54.08 | i | ||
1915 | 38.00 | 43.71 | 50.43 | a | 60.93 | 62.58 | 78.28 | a | 81.10 | ----- | z | 71.36 | s | 67.13 | 52.50 | 48.29 | 58.30 | b | ||||||||
1916 | 42.77 | 49.34 | ----- | z | ----- | z | ----- | z | 79.72 | a | 79.32 | 76.35 | 73.13 | 60.81 | ----- | z | ----- | z | 65.92 | e | ||||||
1917 | 38.23 | a | 38.59 | a | 44.39 | 58.30 | 58.29 | 78.80 | 85.39 | 80.84 | 72.97 | 64.52 | 59.23 | 50.68 | 60.85 | |||||||||||
1918 | 41.45 | 46.96 | ----- | z | 60.33 | 67.65 | 81.23 | 81.39 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 63.17 | f | ||||||
1919 | 40.45 | 36.33 | a | 44.67 | a | 59.87 | 69.23 | 76.57 | 76.39 | 79.87 | 71.17 | 57.00 | ----- | z | ----- | z | 61.15 | b | ||||||||
1920 | 45.39 | 43.59 | b | 47.10 | 50.40 | 66.84 | 73.50 | 80.58 | 77.94 | ----- | z | ----- | z | ----- | z | ----- | z | 60.67 | d | |||||||
1921 | 48.06 | ----- | z | ----- | z | ----- | z | 67.29 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 57.68 | j | ||
1922 | ----- | z | ----- | z | ----- | z | ----- | z | 68.06 | 82.67 | 85.83 | a | 84.32 | 79.47 | 64.48 | 44.53 | 41.58 | 68.87 | d | |||||||
1923 | 43.16 | 43.11 | 45.23 | 58.10 | 71.58 | 80.50 | 85.23 | 76.90 | 69.47 | 57.13 | 50.63 | 38.71 | 59.98 | |||||||||||||
1924 | 36.71 | 44.72 | 43.10 | 56.37 | 71.03 | 85.90 | 82.90 | 84.52 | 75.97 | 64.97 | 54.20 | 36.32 | 61.39 | |||||||||||||
1925 | 36.77 | 44.86 | 54.84 | 64.13 | 73.58 | 83.10 | 88.81 | 78.87 | a | 74.50 | 61.77 | a | 49.97 | 40.61 | 62.65 | |||||||||||
1926 | 37.45 | 46.07 | 50.23 | 57.30 | 68.45 | 81.00 | 83.00 | 85.13 | 77.27 | 68.77 | 54.93 | 39.45 | 62.42 | |||||||||||||
1927 | 45.03 | 44.86 | 49.13 | 63.05 | h | 72.26 | 78.53 | 82.84 | 78.86 | c | 68.30 | 64.41 | d | ----- | z | 38.29 | 62.25 | b | ||||||||
1928 | 40.93 | c | 44.50 | g | 54.97 | a | 62.60 | 72.45 | 86.17 | 85.03 | 80.26 | 74.67 | 66.20 | a | 50.97 | 39.16 | 64.85 | a | ||||||||
1929 | 39.13 | 37.21 | 46.93 | a | 58.07 | 68.16 | 81.43 | 82.84 | 80.45 | 71.73 | 62.42 | 46.03 | 45.71 | 60.01 | ||||||||||||
1930 | 33.81 | 46.50 | 47.29 | 65.00 | a | 64.77 | 83.23 | 81.87 | 81.13 | 76.33 | 61.58 | 47.87 | 38.74 | 60.68 | ||||||||||||
1931 | 39.90 | 41.61 | 47.16 | 58.33 | 62.68 | 78.70 | 78.77 | 77.42 | 71.83 | 56.23 | e | 43.00 | 33.23 | 57.41 | ||||||||||||
1932 | 27.66 | b | 38.72 | 46.14 | b | 58.57 | 64.14 | b | 76.03 | 76.77 | 74.87 | 69.57 | ----- | z | ----- | z | 35.94 | 56.84 | b | |||||||
1933 | 37.58 | 36.46 | 54.68 | 57.00 | 68.81 | 81.90 | 85.32 | 78.26 | 75.47 | 66.97 | 57.23 | 47.37 | a | 62.25 | ||||||||||||
1934 | 42.77 | 48.93 | 58.39 | 65.13 | 77.30 | a | 82.80 | 88.32 | 84.77 | 74.10 | 70.90 | 53.57 | 40.74 | 65.64 | ||||||||||||
1935 | 39.74 | 42.32 | 46.71 | 55.53 | 58.71 | 79.27 | 79.24 | n | ----- | z | 71.60 | j | ----- | z | ----- | z | 40.25 | g | 53.71 | f | ||||||
1936 | 38.77 | 43.24 | 54.58 | 62.70 | 72.94 | 81.45 | h | ----- | z | 81.26 | 72.43 | 59.74 | 50.72 | a | 41.23 | 57.76 | b | |||||||||
1937 | 30.19 | 37.57 | 43.26 | 59.46 | d | 72.04 | e | 78.10 | 83.23 | 82.48 | 75.27 | 65.84 | 52.20 | 40.65 | 60.02 | |||||||||||
1938 | 38.65 | 41.50 | 47.81 | 59.20 | 66.37 | a | 78.80 | 81.45 | 81.71 | 70.70 | 64.74 | 46.97 | a | 43.32 | 60.10 | |||||||||||
1939 | 37.74 | 33.46 | 49.58 | 61.33 | 71.81 | 81.53 | 85.63 | a | 83.16 | 74.38 | a | 62.84 | 53.00 | 47.81 | 61.86 | |||||||||||
1940 | 37.29 | 40.69 | 53.35 | 60.03 | 72.13 | 81.67 | 87.00 | 81.77 | 74.20 | 64.81 | 47.07 | 41.26 | 61.77 | |||||||||||||
1941 | 36.90 | 41.64 | 46.23 | 50.60 | 68.13 | 73.00 | 82.23 | 78.97 | 71.57 | 56.10 | 46.33 | 41.52 | 57.77 | |||||||||||||
1942 | 39.74 | 39.96 | 45.52 | 60.23 | 71.03 | 82.10 | 88.06 | 83.10 | 77.13 | 64.13 | 55.75 | b | 45.94 | 62.72 | ||||||||||||
1943 | 43.58 | 47.75 | 50.58 | 67.53 | 71.35 | 81.40 | 86.00 | 83.81 | 76.23 | 64.48 | 53.90 | 41.77 | 64.03 | |||||||||||||
1944 | 41.23 | 43.07 | 46.81 | 56.20 | 68.90 | 81.20 | 84.77 | 84.48 | 77.77 | 64.52 | 47.87 | 42.58 | 61.62 | |||||||||||||
1945 | 40.94 | 44.89 | 47.77 | 57.75 | b | 72.19 | 79.67 | 86.29 | 83.77 | 78.50 | 65.71 | 53.23 | 38.77 | 62.46 | ||||||||||||
1946 | 38.77 | 44.74 | a | 51.52 | 67.25 | b | 70.42 | 86.17 | 86.16 | 79.68 | 77.03 | 61.94 | 48.57 | 48.65 | 63.41 | |||||||||||
1947 | 39.39 | 46.71 | 51.29 | 60.60 | 74.13 | 81.30 | 87.85 | k | 81.10 | 78.97 | 68.26 | 45.53 | 40.84 | 60.74 | a | |||||||||||
1948 | 42.52 | 41.83 | 42.81 | 63.90 | 71.65 | 79.50 | 87.39 | 84.94 | 82.20 | 66.29 | 47.73 | 42.52 | 62.77 | |||||||||||||
1949 | 35.55 | 41.39 | 51.71 | 62.70 | 70.55 | 80.67 | 84.39 | 84.35 | 79.83 | 63.45 | 59.07 | a | 42.03 | 62.97 | ||||||||||||
1950 | 42.47 | a | 48.61 | 52.45 | 63.93 | 69.39 | 81.90 | 82.74 | 82.81 | 71.60 | 72.45 | 54.77 | 48.32 | 64.29 | ||||||||||||
1951 | 40.84 | 43.14 | 48.58 | 57.20 | 70.61 | 79.70 | 88.13 | 82.10 | 77.90 | 62.61 | 47.03 | 37.74 | 61.30 | |||||||||||||
1952 | 39.52 | 40.28 | 42.71 | 59.33 | 69.68 | 81.77 | 83.45 | 83.26 | 78.03 | 70.42 | 45.20 | 38.48 | 61.01 | |||||||||||||
1953 | 44.13 | 41.39 | 51.65 | 57.64 | b | 63.97 | a | 82.60 | 84.03 | 81.26 | 80.03 | 65.55 | 53.25 | b | 37.23 | 61.89 | ||||||||||
1954 | 43.32 | 51.54 | 47.10 | 66.63 | 70.16 | 81.33 | 84.23 | 80.03 | 75.80 | 66.90 | 56.40 | 42.81 | 63.85 | |||||||||||||
1955 | 36.84 | 38.82 | 50.61 | 57.81 | c | 67.13 | 78.20 | 81.90 | 80.45 | 78.90 | 68.77 | 50.87 | 42.77 | 61.09 | ||||||||||||
1956 | 45.13 | 39.03 | 53.52 | 60.73 | 75.00 | 83.97 | 83.90 | a | 80.19 | 81.70 | 66.87 | 49.37 | 43.45 | 63.57 | ||||||||||||
1957 | 39.84 | 47.74 | a | 48.35 | 55.27 | 62.73 | a | 79.34 | a | 83.74 | 79.45 | b | 75.87 | 59.52 | 44.63 | 43.35 | 59.99 | |||||||||
1958 | 41.10 | 45.00 | 42.16 | 56.21 | b | 74.61 | 83.90 | 84.19 | 83.10 | 73.93 | 64.13 | 53.07 | a | 50.13 | 62.63 | |||||||||||
1959 | 43.03 | 43.11 | 51.13 | 60.13 | 70.23 | a | 84.17 | 86.97 | 80.13 | 76.13 | 62.81 | 50.87 | 42.97 | 62.64 | ||||||||||||
1960 | 36.45 | 35.62 | 50.39 | 62.13 | 69.68 | 81.90 | 84.52 | 84.90 | 78.47 | 60.42 | 51.47 | 38.00 | 61.16 | |||||||||||||
1961 | 41.42 | 43.18 | 48.16 | 59.37 | 71.61 | 82.80 | 83.00 | 79.45 | 70.03 | 62.87 | 44.43 | 36.94 | 60.27 | |||||||||||||
1962 | 38.00 | a | 43.25 | 43.97 | 64.23 | 70.58 | 80.17 | 82.87 | 84.23 | 73.50 | 64.97 | 52.37 | 44.03 | 61.85 | ||||||||||||
1963 | 33.90 | 44.00 | 49.23 | 60.87 | 74.26 | 81.40 | 86.42 | 79.29 | 77.17 | a | 67.90 | 51.60 | 42.26 | 62.36 | ||||||||||||
1964 | 37.55 | 34.83 | 43.87 | 55.63 | 70.35 | 79.93 | 85.26 | 79.52 | 72.23 | 67.94 | 47.87 | 37.52 | 59.37 | |||||||||||||
1965 | 39.65 | 40.57 | 45.70 | a | 58.23 | 67.23 | 75.53 | 82.87 | 80.19 | 69.77 | 68.26 | 52.63 | 42.10 | a | 60.23 | |||||||||||
1966 | 36.29 | 36.79 | 53.13 | 61.73 | 73.74 | 79.34 | a | 84.94 | 82.39 | 74.59 | a | 65.13 | 53.53 | 38.87 | 61.71 | |||||||||||
1967 | 39.42 | 45.25 | 56.90 | 61.93 | a | 69.77 | 76.27 | 83.23 | 76.97 | 72.27 | 65.90 | 52.07 | 35.13 | 61.26 | ||||||||||||
1968 | 39.58 | 44.79 | 49.87 | 54.69 | a | 67.19 | 80.63 | 80.71 | 75.23 | 74.86 | a | 65.65 | 45.43 | 38.03 | 59.72 | |||||||||||
1969 | 40.19 | 41.50 | 44.00 | 62.70 | 71.94 | 76.80 | 83.90 | 82.97 | ----- | z | ----- | z | ----- | z | ----- | z | 63.00 | d | ||||||||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 39.54 | 42.52 | 48.78 | 59.84 | 69.40 | 80.49 | 83.83 | 81.04 | 75.00 | 64.39 | 50.85 | 41.50 | 61.58 | |||||||||||||
S.D. | 3.61 | 3.98 | 3.97 | 3.70 | 3.88 | 2.83 | 2.71 | 2.66 | 3.36 | 3.61 | 4.24 | 3.99 | 1.67 | |||||||||||||
SKEW | -0.61 | -0.15 | 0.32 | -0.15 | -0.84 | -0.40 | -0.57 | -0.33 | 0.04 | -0.37 | 0.18 | 0.46 | -0.18 | |||||||||||||
MAX | 48.06 | 51.54 | 58.39 | 67.53 | 77.30 | 86.17 | 88.81 | 85.13 | 82.20 | 72.45 | 60.27 | 50.68 | 65.64 | |||||||||||||
MIN | 27.66 | 33.46 | 42.16 | 50.40 | 58.29 | 73.00 | 76.39 | 74.87 | 68.30 | 56.10 | 43.00 | 33.23 | 57.41 | |||||||||||||
YRS | 54 | 52 | 51 | 51 | 54 | 53 | 51 | 51 | 49 | 50 | 47 | 49 | 41 |