YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1893 | 46.68 | t | 45.93 | a | ----- | z | 61.72 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 53.82 | j | |
1894 | ----- | z | ----- | z | ----- | z | ----- | z | 74.48 | a | 73.31 | a | 76.03 | 72.77 | 68.53 | 61.40 | 49.45 | b | 42.44 | 64.80 | d | |||||
1895 | 38.58 | a | 33.44 | a | 51.55 | b | 61.10 | 67.63 | 74.97 | 77.56 | 77.65 | 72.63 | 56.97 | 47.39 | b | 39.95 | 58.29 | |||||||||
1896 | 43.35 | 44.16 | 52.76 | 61.70 | c | 74.27 | 81.20 | c | 78.81 | 78.60 | 71.29 | a | 58.73 | 48.52 | 43.73 | 61.43 | ||||||||||
1897 | 32.02 | a | 45.07 | a | 50.72 | a | 59.04 | b | 66.80 | a | 75.02 | 77.52 | 75.23 | 68.30 | 58.65 | 48.38 | 37.47 | 57.85 | ||||||||
1898 | 36.02 | 45.09 | 50.76 | 59.75 | 67.53 | 72.13 | 76.39 | 74.97 | 67.90 | 58.58 | 44.93 | 33.27 | 57.28 | |||||||||||||
1899 | 37.90 | b | 38.72 | a | 52.47 | 59.40 | 67.35 | 74.30 | 76.75 | a | 78.85 | 69.22 | 59.95 | a | 49.07 | 40.40 | 58.70 | |||||||||
1900 | 42.81 | 43.21 | 51.40 | 55.77 | 66.27 | 75.87 | 76.55 | 77.10 | 71.98 | 61.76 | 49.93 | 41.05 | 59.47 | |||||||||||||
1901 | 43.00 | 40.23 | 50.32 | 56.98 | 67.08 | 75.80 | 77.94 | 79.32 | 69.10 | 60.53 | 50.28 | 40.37 | 59.25 | |||||||||||||
1902 | 39.65 | 47.74 | g | 49.74 | 63.14 | a | 68.74 | 76.90 | 75.13 | 76.16 | 68.47 | 60.06 | 49.55 | 42.05 | 60.87 | a | ||||||||||
1903 | 42.66 | 37.02 | 49.55 | ----- | z | 65.36 | f | 69.43 | ----- | z | ----- | z | ----- | z | 57.52 | 49.38 | 38.77 | 49.19 | e | |||||||
1904 | 36.53 | 48.76 | 55.23 | 59.35 | 67.71 | 74.12 | 76.81 | 75.87 | 69.33 | 58.48 | 47.50 | o | 39.29 | s | 62.22 | b | ||||||||||
1905 | 38.58 | 32.22 | a | 53.10 | 55.92 | 67.24 | 76.12 | a | 75.00 | 77.61 | 71.38 | 56.42 | 48.97 | 34.05 | 57.22 | |||||||||||
1906 | 39.24 | 43.30 | 50.47 | 58.03 | 68.11 | 77.08 | 75.26 | 74.66 | 70.72 | 55.18 | 42.48 | 44.98 | 58.29 | |||||||||||||
1907 | ----- | z | 49.00 | 58.31 | 58.35 | 62.92 | 73.60 | 77.90 | 77.90 | 70.62 | 59.16 | 44.48 | 42.61 | 61.35 | a | |||||||||||
1908 | 40.79 | 43.16 | a | 56.98 | 58.90 | 66.10 | 75.22 | 75.15 | 75.13 | 67.90 | 56.84 | 45.23 | 41.47 | 58.57 | ||||||||||||
1909 | 44.40 | 44.88 | 47.47 | 58.90 | 65.37 | 76.07 | 79.03 | 76.15 | 68.27 | 57.50 | 52.02 | 34.24 | 58.69 | |||||||||||||
1910 | 42.40 | 41.52 | 57.24 | 59.73 | 67.63 | 77.17 | 80.58 | 77.56 | 72.66 | a | 57.39 | 50.33 | a | 41.79 | 60.50 | |||||||||||
1911 | 47.82 | 42.68 | 55.22 | b | 60.32 | 67.48 | a | 76.25 | 77.61 | 76.77 | 73.93 | 57.24 | 43.62 | 34.79 | 59.48 | |||||||||||
1912 | 39.03 | 40.48 | 47.66 | 56.52 | 67.80 | a | 73.25 | 78.93 | a | 77.03 | 66.48 | 57.13 | a | 45.22 | 33.90 | a | 56.95 | |||||||||
1913 | 34.81 | 40.68 | 47.79 | 58.03 | 58.30 | d | 72.35 | 78.47 | 77.50 | h | 65.70 | 57.50 | 51.05 | b | 37.02 | 54.70 | a | |||||||||
1914 | 46.94 | 42.62 | 49.10 | 58.37 | 66.97 | 75.55 | a | 77.35 | 76.89 | 71.28 | 58.35 | 50.22 | 33.10 | 58.89 | ||||||||||||
1915 | 36.18 | 43.69 | b | 41.60 | 57.93 | 64.95 | a | 74.92 | 77.52 | 74.02 | 69.53 | 59.97 | 50.13 | 42.10 | 57.71 | |||||||||||
1916 | 42.67 | a | 48.36 | 56.74 | 57.22 | 68.40 | 78.28 | a | 77.82 | 73.83 | a | 68.17 | 57.45 | 44.50 | 39.31 | 59.40 | ||||||||||
1917 | 38.95 | 43.44 | a | 48.55 | 57.05 | 62.17 | b | 74.82 | 80.48 | 76.60 | 70.55 | 59.07 | a | 51.38 | 42.18 | 58.77 | ||||||||||
1918 | 32.82 | 46.16 | 54.44 | 57.07 | 67.68 | 77.18 | 79.02 | 76.66 | 67.55 | 60.66 | 43.85 | 33.16 | 58.02 | |||||||||||||
1919 | 34.45 | 43.77 | 49.56 | 59.38 | 66.13 | 70.28 | 76.21 | 77.97 | 70.05 | 60.48 | a | 46.30 | 39.98 | 57.88 | ||||||||||||
1920 | 37.35 | 46.34 | a | 49.18 | 55.72 | a | 67.63 | a | 72.97 | a | 78.07 | a | 73.94 | 71.52 | 59.45 | 45.87 | 40.75 | a | 58.23 | |||||||
1921 | 43.19 | 44.93 | 54.50 | 57.63 | 68.24 | 71.93 | 76.34 | 77.63 | 74.25 | 62.48 | 51.60 | 45.63 | d | 60.70 | ||||||||||||
1922 | 37.90 | a | 43.18 | 49.34 | 59.09 | b | 68.27 | 74.86 | a | 79.63 | 79.48 | 72.78 | 59.52 | a | 46.67 | a | 44.42 | 59.60 | ||||||||
1923 | 46.47 | 45.27 | 46.81 | 59.71 | a | 68.87 | 77.19 | a | 78.48 | 77.03 | 70.41 | a | 56.55 | a | 46.55 | 33.05 | 58.87 | |||||||||
1924 | 36.79 | 43.14 | 46.77 | 57.02 | 65.06 | 79.70 | 77.98 | 79.16 | 70.13 | 60.21 | 51.02 | a | 35.81 | 58.57 | ||||||||||||
1925 | 36.15 | 49.05 | 54.98 | a | 63.85 | 69.06 | 78.07 | a | 79.52 | 74.39 | 70.64 | a | 58.19 | b | 47.35 | 37.12 | a | 59.86 | ||||||||
1926 | 34.90 | 48.34 | 46.71 | 55.62 | 65.78 | a | 75.42 | 76.40 | 77.61 | 72.37 | 61.03 | a | 48.32 | 39.66 | 58.51 | |||||||||||
1927 | 44.10 | a | 49.27 | 50.94 | 61.70 | 72.81 | 75.59 | a | 79.21 | 78.34 | 71.18 | 61.34 | 54.62 | 36.48 | a | 61.30 | ||||||||||
1928 | 42.92 | a | 41.36 | 53.84 | 57.17 | 67.60 | 77.45 | 79.06 | 74.06 | 69.07 | 62.66 | 46.95 | b | 40.37 | 59.38 | |||||||||||
1929 | 39.73 | 37.39 | 49.71 | 60.55 | a | 65.27 | 76.24 | a | 77.68 | 77.39 | 70.98 | 60.15 | 39.58 | 40.92 | 57.97 | |||||||||||
1930 | 33.21 | 50.09 | a | 47.34 | 64.09 | a | 66.05 | 76.69 | a | 79.40 | 78.92 | 73.28 | 60.31 | 47.23 | 38.21 | 59.57 | ||||||||||
1931 | 39.68 | 45.45 | 47.50 | 56.68 | 65.02 | 77.45 | 79.05 | a | 75.50 | 76.12 | 63.31 | 49.41 | a | 37.50 | 59.39 | |||||||||||
1932 | 38.74 | 49.97 | 45.85 | 60.33 | 67.06 | 76.23 | 79.97 | 77.65 | 67.55 | 56.53 | 47.20 | 35.07 | a | 58.51 | ||||||||||||
1933 | 41.40 | 37.43 | 53.06 | 56.00 | 66.90 | 77.38 | 80.56 | 77.84 | 75.08 | 63.74 | 50.85 | 46.76 | 60.58 | |||||||||||||
1934 | 41.06 | 46.41 | 51.69 | 62.45 | a | 71.42 | 79.70 | 82.68 | 80.47 | 71.88 | 65.90 | 52.20 | 43.73 | 62.47 | ||||||||||||
1935 | 44.95 | 45.31 | a | 55.16 | 61.15 | 63.76 | 75.90 | 78.23 | 78.79 | 66.72 | 62.11 | 48.48 | 40.66 | 60.10 | ||||||||||||
1936 | 38.87 | 44.79 | 53.87 | 60.30 | 68.48 | 78.08 | 78.60 | 78.12 | a | 69.78 | 57.90 | 45.77 | 42.66 | 59.77 | ||||||||||||
1937 | 36.68 | 45.64 | 46.82 | 60.78 | 69.23 | 76.76 | a | 79.98 | 79.77 | 72.77 | 62.11 | 47.88 | 40.56 | 59.92 | ||||||||||||
1938 | 41.21 | 47.70 | 54.63 | 59.47 | 68.42 | 76.93 | 77.32 | a | 78.53 | 71.62 | 62.19 | 44.88 | 41.89 | 60.40 | ||||||||||||
1939 | 42.66 | 39.21 | 52.97 | 60.92 | 69.66 | 79.13 | 78.89 | 76.39 | 73.27 | 60.47 | 46.03 | 45.11 | 60.39 | |||||||||||||
1940 | 36.26 | 44.36 | 52.61 | 59.50 | a | 68.42 | 74.17 | 79.85 | 76.77 | 72.85 | 62.29 | 46.62 | 46.19 | 59.99 | ||||||||||||
1941 | 42.02 | 46.45 | 47.65 | 57.67 | 67.08 | 72.90 | a | 76.73 | 76.74 | 69.72 | 60.66 | 49.83 | 43.00 | 59.20 | ||||||||||||
1942 | 40.06 | 41.41 | 48.82 | a | 58.57 | 67.65 | 77.07 | 79.06 | 76.60 | 69.07 | 59.87 | 52.90 | 45.21 | 59.69 | ||||||||||||
1943 | 42.19 | 48.29 | 51.72 | a | 64.45 | 68.32 | 77.95 | 78.87 | 82.10 | 70.95 | 59.55 | 47.35 | 37.27 | 60.75 | ||||||||||||
1944 | 38.81 | 45.50 | 50.94 | 57.62 | 68.35 | 77.77 | 79.77 | 79.07 | b | 68.97 | 61.26 | 48.73 | 38.42 | 59.60 | ||||||||||||
1945 | 42.82 | 48.24 | a | 52.95 | 56.32 | 71.13 | 76.20 | 78.18 | 79.16 | 71.85 | 59.82 | 52.05 | 40.98 | 60.81 | ||||||||||||
1946 | 38.45 | 45.07 | 54.16 | 64.92 | 67.52 | 77.93 | 79.71 | 79.90 | 72.45 | 62.52 | 46.97 | 44.69 | 61.19 | |||||||||||||
1947 | 38.61 | 42.04 | 50.44 | 58.17 | 69.32 | 76.81 | a | 76.70 | a | 77.76 | 72.18 | 63.65 | 43.87 | 38.60 | 59.01 | |||||||||||
1948 | 33.71 | 41.33 | 46.08 | a | 62.92 | 69.06 | 78.12 | 79.13 | 78.60 | 70.85 | 58.98 | 44.53 | 43.92 | 58.94 | ||||||||||||
1949 | 28.45 | 43.16 | 53.40 | 57.65 | 69.66 | 76.57 | 79.79 | 76.58 | 70.85 | 57.24 | 52.48 | 39.00 | 58.74 | |||||||||||||
1950 | 45.13 | 48.23 | 51.50 | 60.07 | 69.13 | 79.08 | 77.90 | 77.95 | 70.73 | 65.37 | 48.83 | 43.34 | 61.44 | |||||||||||||
1951 | 38.29 | 43.20 | 49.71 | 57.93 | 69.31 | 77.65 | 82.95 | 80.37 | 72.58 | 62.84 | 45.63 | 41.87 | 60.19 | |||||||||||||
1952 | 45.58 | 45.00 | 48.21 | 59.23 | 68.29 | 80.87 | 78.94 | 81.61 | 70.77 | 58.82 | 44.20 | 39.85 | 60.11 | |||||||||||||
1953 | 47.40 | 42.73 | 55.35 | 59.53 | 66.63 | 81.47 | 81.98 | 79.05 | 71.98 | 59.92 | 48.70 | 35.76 | 60.88 | |||||||||||||
1954 | 42.32 | 50.23 | 51.42 | 64.77 | 68.34 | 78.87 | 82.63 | 79.15 | 74.33 | 61.68 | 50.10 | 40.97 | 62.07 | |||||||||||||
1955 | 38.74 | 41.07 | 51.23 | 60.97 | 68.55 | 75.65 | 78.19 | 78.69 | 72.98 | 61.11 | 48.05 | 42.48 | 59.81 | |||||||||||||
1956 | 42.13 | 37.40 | 52.42 | 57.70 | 71.45 | 81.05 | 80.42 | 78.29 | 73.43 | 63.05 | 44.57 | 41.69 | 60.30 | |||||||||||||
1957 | 41.55 | 52.27 | 51.50 | 57.00 | 66.56 | 77.88 | 82.60 | 79.39 | 70.33 | 58.13 | 44.72 | 43.63 | 60.46 | |||||||||||||
1958 | 39.47 | 45.02 | 46.24 | 58.22 | 70.34 | 81.28 | 83.11 | 80.52 | 71.22 | 58.63 | 49.03 | 40.44 | 60.29 | |||||||||||||
1959 | 39.23 | 43.50 | 49.71 | 59.85 | 69.95 | 78.77 | 79.32 | 80.77 | 73.07 | 58.97 | 45.00 | 42.37 | 60.04 | |||||||||||||
1960 | 37.44 | 39.97 | 51.03 | 62.42 | 68.97 | 79.98 | 78.94 | 78.84 | 71.17 | 59.79 | 47.82 | 29.27 | 58.80 | |||||||||||||
1961 | 34.29 | 42.34 | 49.81 | 57.95 | 69.34 | 76.35 | 78.11 | 76.77 | 69.57 | 59.10 | 40.37 | 39.97 | 57.83 | |||||||||||||
1962 | 33.68 | 48.75 | 47.39 | 60.13 | 70.47 | 75.38 | 78.23 | 77.35 | 69.92 | 58.39 | 45.93 | 40.18 | 58.82 | |||||||||||||
1963 | 33.05 | b | 43.02 | 50.26 | 61.27 | 69.58 | 76.65 | 81.85 | 78.45 | 72.37 | 63.18 | 47.83 | 35.11 | 59.39 | ||||||||||||
1964 | 34.63 | 35.28 | 48.61 | 58.13 | 69.77 | 76.65 | 81.71 | 80.37 | 72.07 | 60.89 | 48.03 | 39.61 | 58.81 | |||||||||||||
1965 | 44.21 | 40.11 | 45.23 | 62.02 | 68.95 | 76.93 | 80.87 | 76.69 | 70.73 | 58.98 | 52.47 | 41.94 | 59.93 | |||||||||||||
1966 | 30.81 | 38.52 | 51.60 | 59.73 | 69.94 | 76.57 | 84.27 | 76.47 | 70.83 | 56.81 | 50.53 | 39.42 | 58.79 | |||||||||||||
1967 | 41.18 | 44.23 | 57.19 | 65.53 | 68.45 | 75.27 | 79.95 | 75.03 | 68.78 | 59.29 | 47.50 | 35.26 | 59.81 | |||||||||||||
1968 | 39.11 | 43.66 | 47.68 | 55.42 | 66.69 | 76.95 | 75.60 | 75.55 | 67.22 | 60.31 | 44.62 | 38.18 | 57.58 | |||||||||||||
1969 | 44.92 | 44.62 | 43.06 | 61.87 | 69.11 | 77.12 | 82.85 | 81.39 | 71.87 | 58.10 | 47.52 | a | 40.98 | 60.28 | ||||||||||||
1970 | 36.98 | 46.09 | 46.60 | 57.92 | 67.65 | 74.30 | 80.26 | 78.27 | 71.00 | 55.71 | 48.45 | 43.32 | 58.88 | |||||||||||||
1971 | 41.27 | 42.89 | 52.85 | 58.43 | 68.53 | 78.10 | 79.73 | 74.92 | 69.28 | 59.40 | 48.33 | 40.76 | 59.54 | |||||||||||||
1972 | 40.55 | 45.71 | 56.16 | 63.35 | 68.23 | 77.50 | 78.92 | 76.03 | 70.83 | 60.07 | a | 42.82 | 39.45 | 59.97 | ||||||||||||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 39.52 | 43.81 | 50.82 | 59.45 | 67.95 | 76.46 | 78.85 | 77.55 | 70.77 | 59.79 | 47.71 | 39.92 | 59.43 | |||||||||||||
S.D. | 4.07 | 3.90 | 3.43 | 2.43 | 2.37 | 2.37 | 2.04 | 1.97 | 2.05 | 2.21 | 2.93 | 3.60 | 1.15 | |||||||||||||
SKEW | -0.23 | -0.54 | -0.05 | 0.55 | -0.60 | -0.32 | 0.40 | -0.08 | -0.08 | 0.38 | -0.23 | -0.54 | 0.16 | |||||||||||||
MAX | 47.82 | 52.27 | 58.31 | 65.53 | 74.48 | 81.47 | 84.27 | 82.10 | 76.12 | 65.90 | 54.62 | 46.76 | 62.47 | |||||||||||||
MIN | 28.45 | 32.22 | 41.60 | 55.42 | 58.30 | 69.43 | 75.00 | 72.77 | 65.70 | 55.18 | 39.58 | 29.27 | 56.95 | |||||||||||||
YRS | 77 | 78 | 78 | 78 | 78 | 79 | 78 | 77 | 78 | 79 | 78 | 78 | 73 |