YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1910 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1911 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1912 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1913 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1914 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1915 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1916 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1917 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1918 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1919 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1920 | ----- | z | ----- | z | ----- | z | ----- | z | 66.32 | 73.87 | 78.45 | 73.16 | 70.73 | 59.03 | 48.63 | 40.74 | 63.87 | d | ||||||||
1921 | 42.77 | 45.25 | 53.13 | 55.67 | 66.19 | 72.57 | 73.16 | 71.90 | 72.63 | 64.45 | 54.90 | 47.06 | 59.97 | |||||||||||||
1922 | 39.87 | 43.50 | 47.90 | a | 54.40 | 67.71 | 77.77 | 79.68 | 78.77 | 72.53 | 61.97 | 45.17 | a | 44.07 | c | 59.45 | ||||||||||
1923 | 45.27 | a | 41.57 | 44.60 | a | 55.30 | 68.03 | 77.37 | 77.23 | 71.06 | 67.48 | a | 53.71 | 44.87 | 37.28 | b | 56.98 | |||||||||
1924 | 37.39 | 44.41 | 41.83 | a | 54.87 | 65.61 | 80.37 | 74.23 | 76.84 | 72.17 | 61.58 | 52.97 | 37.74 | 58.33 | ||||||||||||
1925 | 34.73 | a | 44.61 | 53.48 | 60.83 | a | 67.61 | 74.93 | 77.68 | 71.90 | 69.73 | 60.45 | 49.60 | 40.35 | 58.83 | |||||||||||
1926 | 34.84 | 46.07 | 46.55 | 54.17 | 65.03 | 76.87 | 76.61 | 78.45 | 73.10 | 63.68 | 50.97 | 39.97 | 58.86 | |||||||||||||
1927 | 45.61 | 44.11 | 50.71 | 60.00 | 71.77 | 73.97 | 79.16 | 72.71 | 66.68 | b | 62.50 | a | 53.73 | d | 36.87 | 59.82 | ||||||||||
1928 | 45.68 | 39.07 | 50.77 | 55.87 | 63.03 | 75.48 | a | ----- | z | 70.68 | 69.80 | 62.68 | 46.14 | a | 40.87 | 56.37 | a | |||||||||
1929 | 40.06 | 34.59 | a | 46.27 | a | 57.93 | 64.07 | a | 76.33 | 73.61 | 70.03 | 67.43 | 57.19 | 42.87 | 45.32 | 56.31 | ||||||||||
1930 | 35.60 | a | 48.18 | 46.65 | 62.87 | 64.13 | 78.07 | a | 73.93 | a | 74.16 | 70.30 | 61.48 | 46.40 | 38.23 | 58.33 | ||||||||||
1931 | 40.13 | 40.00 | 46.53 | a | 55.53 | 64.58 | 76.37 | 76.00 | 72.94 | 70.30 | 60.13 | a | 47.65 | d | 39.84 | 57.50 | ||||||||||
1932 | 35.68 | 47.72 | 46.74 | 58.93 | 64.10 | 74.23 | 76.35 | 73.55 | 68.07 | 56.67 | a | 52.33 | 35.48 | 57.49 | ||||||||||||
1933 | 37.19 | 38.32 | 52.10 | 53.90 | 63.52 | 71.59 | a | 75.45 | 72.13 | 72.30 | 60.94 | 42.60 | y | 47.82 | c | 58.66 | a | |||||||||
1934 | 42.61 | 48.43 | 56.65 | 61.13 | 70.74 | 76.70 | 79.13 | 75.52 | 69.37 | 64.16 | 52.81 | d | 47.42 | 62.06 | ||||||||||||
1935 | 48.03 | a | 45.93 | 58.39 | 63.27 | 62.71 | 81.07 | 84.00 | 77.32 | 72.73 | 66.13 | 53.87 | 43.00 | 63.04 | ||||||||||||
1936 | 43.35 | 46.69 | 60.61 | 67.13 | 67.52 | 82.75 | b | 82.65 | 82.70 | a | 70.93 | 61.71 | 53.73 | 46.84 | 63.88 | |||||||||||
1937 | 41.35 | 46.96 | 50.42 | 65.03 | 72.84 | 79.17 | 83.35 | 84.10 | 75.10 | 66.58 | 56.10 | 45.26 | 63.86 | |||||||||||||
1938 | 43.87 | 48.61 | 53.94 | 64.70 | 71.13 | 81.07 | 80.87 | 83.26 | 71.50 | 65.03 | 51.03 | 47.16 | 63.51 | |||||||||||||
1939 | 39.35 | 35.39 | 50.65 | 62.97 | 72.97 | 84.67 | 82.68 | 81.00 | 74.87 | 63.74 | 51.37 | 48.34 | b | 62.33 | ||||||||||||
1940 | 42.42 | 43.21 | 53.42 | 61.73 | 71.10 | b | 79.83 | 84.80 | a | 78.57 | a | 72.07 | 63.32 | 50.40 | 47.13 | 62.33 | ||||||||||
1941 | 39.94 | 48.46 | 49.58 | 55.10 | 68.48 | 76.00 | 80.74 | 79.16 | 73.10 | 60.16 | 54.33 | 45.58 | 60.89 | |||||||||||||
1942 | 45.77 | 42.54 | 50.42 | 61.47 | 74.45 | 84.73 | 85.52 | 79.35 | 74.03 | 63.06 | 58.63 | 46.87 | 63.90 | |||||||||||||
1943 | 46.61 | 51.79 | 57.03 | 70.80 | 75.03 | 76.57 | 78.84 | 82.53 | a | 77.27 | 66.35 | 55.37 | 41.16 | 64.95 | ||||||||||||
1944 | 41.29 | 44.21 | 51.19 | 59.97 | 71.97 | 81.23 | 81.39 | 81.13 | 74.53 | 65.58 | 50.27 | 44.26 | 62.25 | |||||||||||||
1945 | 43.40 | a | 50.57 | 54.16 | 62.67 | 76.74 | 82.90 | 84.84 | 82.55 | 77.83 | 66.81 | 57.03 | a | 42.17 | a | 65.14 | ||||||||||
1946 | 38.55 | 47.46 | 56.39 | 71.17 | 72.65 | 87.73 | 83.68 | 80.58 | 77.47 | 64.61 | 47.97 | 50.61 | 64.91 | |||||||||||||
1947 | 40.26 | 52.00 | 56.32 | 61.87 | 76.48 | 83.03 | 88.61 | 81.03 | 80.90 | 68.90 | 46.53 | 41.58 | 64.79 | |||||||||||||
1948 | 41.84 | 43.34 | 46.03 | 68.87 | 75.35 | 80.90 | 86.26 | 84.81 | 78.47 | 65.23 | 50.37 | 47.39 | 64.07 | |||||||||||||
1949 | 32.26 | 43.11 | 55.19 | 61.83 | 72.39 | 82.00 | 83.06 | 81.87 | 78.80 | 64.13 | 62.73 | 44.74 | 63.51 | |||||||||||||
1950 | 48.61 | 53.39 | 58.58 | 69.43 | 75.55 | 86.00 | 80.87 | 81.67 | a | 73.20 | 76.19 | 60.13 | 52.90 | a | 68.04 | |||||||||||
1951 | 45.16 | 49.18 | 54.65 | 63.20 | 76.45 | 82.03 | 81.71 | 75.48 | 80.47 | 67.97 | 51.70 | 42.26 | 64.19 | |||||||||||||
1952 | 47.32 | 45.38 | 49.19 | 63.17 | 73.97 | 86.10 | 84.65 | 85.61 | 78.60 | 72.10 | 48.33 | 41.77 | 64.68 | |||||||||||||
1953 | 48.39 | 44.68 | 56.32 | 64.79 | a | 69.10 | 85.83 | 85.90 | 85.13 | 82.03 | 67.19 | 56.59 | a | 42.19 | 65.68 | |||||||||||
1954 | 47.45 | 57.39 | 55.26 | 71.90 | 76.84 | 87.23 | 88.68 | 83.52 | 79.30 | 68.30 | a | 58.33 | 48.42 | 68.55 | ||||||||||||
1955 | 40.61 | 45.52 | a | 56.87 | 64.83 | 72.90 | 83.43 | 82.68 | 80.77 | 80.79 | a | 69.06 | 55.27 | 47.71 | 65.04 | |||||||||||
1956 | 48.90 | 42.17 | 59.93 | a | 64.67 | 79.87 | 88.07 | 83.97 | 82.77 | 83.13 | 69.32 | 52.57 | 48.16 | 66.96 | ||||||||||||
1957 | 45.61 | 55.36 | 52.77 | 61.63 | 67.87 | 83.77 | 85.13 | 78.13 | 77.80 | 60.58 | 44.17 | 47.06 | 63.32 | |||||||||||||
1958 | 40.32 | 48.29 | 44.48 | 57.53 | 76.61 | 85.70 | 87.16 | 84.71 | 71.67 | 61.10 | 54.00 | a | 52.32 | 63.66 | ||||||||||||
1959 | 45.10 | 46.57 | 54.84 | 64.33 | 72.29 | 83.37 | 86.42 | 81.29 | 78.86 | a | 64.68 | 52.90 | 44.45 | 64.59 | ||||||||||||
1960 | 37.55 | 36.41 | 54.52 | 66.83 | 72.87 | 83.23 | 82.87 | a | 84.39 | 79.63 | 61.61 | 55.22 | c | 36.53 | a | 62.64 | ||||||||||
1961 | 41.77 | 46.54 | 53.87 | 62.53 | 75.61 | 83.77 | 85.26 | 79.97 | 71.70 | 65.65 | 45.43 | 40.03 | 62.68 | |||||||||||||
1962 | 40.90 | 50.32 | 47.58 | 67.40 | 75.61 | 82.53 | 81.32 | 85.39 | 74.80 | 63.48 | 54.33 | 46.42 | 64.17 | |||||||||||||
1963 | 39.97 | 46.32 | 54.35 | 65.79 | a | 77.28 | b | 84.86 | h | 87.42 | 79.19 | 77.03 | 70.23 | 55.17 | 46.10 | 63.53 | a | |||||||||
1964 | 40.61 | 35.17 | 48.71 | 58.90 | 73.10 | 82.33 | 85.48 | 81.74 | 72.77 | 69.16 | 49.00 | j | 43.19 | 62.83 | a | |||||||||||
1965 | 45.55 | 44.04 | 47.14 | c | 62.43 | 70.97 | 79.27 | 83.94 | 80.19 | 72.30 | 67.58 | 56.93 | 46.39 | 63.06 | ||||||||||||
1966 | 39.23 | 39.61 | 57.39 | 63.93 | 75.97 | 80.77 | 87.29 | 81.32 | 76.20 | 67.00 | 57.53 | 44.97 | 64.27 | |||||||||||||
1967 | 46.61 | 48.86 | 60.68 | 66.53 | 72.19 | 79.20 | 84.52 | 76.74 | 73.57 | 67.58 | 55.43 | 37.03 | 64.08 | |||||||||||||
1968 | 43.00 | 47.48 | 48.84 | 58.60 | 70.16 | 83.87 | 80.74 | 76.90 | 75.50 | 66.58 | 49.93 | 42.65 | 62.02 | |||||||||||||
1969 | 47.42 | 45.57 | 47.00 | 64.50 | 72.77 | 80.37 | 84.14 | b | 84.06 | 75.63 | 60.29 | 50.07 | 45.26 | 63.09 | ||||||||||||
1970 | 41.71 | 49.43 | 47.77 | 60.33 | 74.10 | 79.00 | 84.16 | 82.26 | 75.20 | 58.55 | ----- | z | ----- | z | 65.25 | b | ||||||||||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 42.15 | 45.48 | 51.97 | 62.06 | 71.10 | 80.52 | 81.93 | 79.12 | 74.36 | 64.24 | 52.14 | 43.94 | 62.62 | |||||||||||||
S.D. | 4.06 | 4.88 | 4.66 | 4.66 | 4.49 | 4.16 | 4.13 | 4.45 | 4.05 | 4.13 | 4.47 | 4.14 | 2.89 | |||||||||||||
SKEW | -0.27 | -0.19 | -0.03 | 0.04 | -0.29 | -0.20 | -0.50 | -0.49 | 0.19 | 0.12 | -0.06 | -0.14 | -0.44 | |||||||||||||
MAX | 48.90 | 57.39 | 60.68 | 71.90 | 79.87 | 88.07 | 88.68 | 85.61 | 83.13 | 76.19 | 62.73 | 52.90 | 68.55 | |||||||||||||
MIN | 32.26 | 34.59 | 41.83 | 53.90 | 62.71 | 71.59 | 73.16 | 70.03 | 66.68 | 53.71 | 42.87 | 35.48 | 56.31 | |||||||||||||
YRS | 50 | 50 | 50 | 50 | 51 | 50 | 50 | 51 | 51 | 51 | 48 | 50 | 45 |