YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1894 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 77.17 | 83.26 | 79.19 | 72.95 | a | 64.87 | 54.80 | g | ----- | z | 75.49 | g | ||||
1895 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1896 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1897 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1898 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1899 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1900 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1901 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1902 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1903 | ----- | z | ----- | z | ----- | z | 62.00 | a | 68.98 | 77.00 | a | 81.73 | 80.71 | 74.58 | 63.84 | 59.23 | 52.33 | a | 68.93 | c | ||||||
1904 | 45.56 | g | 53.43 | 58.42 | 60.80 | ----- | z | 78.86 | a | 81.23 | 79.42 | 72.16 | n | 66.32 | f | 54.17 | 46.72 | b | 64.13 | d | ||||||
1905 | 48.58 | 50.36 | 54.65 | 59.67 | ----- | z | 73.21 | a | 76.94 | 76.32 | 70.45 | 61.44 | 53.12 | 43.85 | 60.78 | a | ||||||||||
1906 | 46.15 | a | 51.59 | a | 55.68 | 61.80 | 67.76 | 77.77 | 80.87 | 73.53 | 73.82 | 63.16 | 54.19 | a | 49.32 | 62.97 | ||||||||||
1907 | 47.79 | 53.48 | 57.35 | 62.82 | 65.08 | 74.80 | 81.42 | 78.18 | 74.63 | 64.44 | 51.33 | 46.81 | 63.18 | |||||||||||||
1908 | 48.15 | 49.45 | 56.32 | 61.83 | 65.82 | 75.97 | 79.84 | 78.24 | 73.32 | 61.40 | 53.42 | 48.27 | 62.67 | |||||||||||||
1909 | 52.02 | 48.34 | 51.10 | 60.98 | 66.52 | 78.18 | 82.24 | 78.37 | 72.97 | 64.44 | 54.45 | 45.06 | 62.89 | |||||||||||||
1910 | 47.88 | b | 48.84 | 60.06 | 63.50 | 72.58 | 80.00 | 82.18 | 81.77 | 76.37 | 63.15 | 54.40 | 48.94 | 64.97 | ||||||||||||
1911 | 51.31 | 48.73 | 59.05 | 61.98 | 68.18 | 75.88 | 77.37 | 79.74 | 74.60 | 64.47 | 50.43 | 40.37 | 62.68 | |||||||||||||
1912 | 46.74 | 48.38 | 52.20 | a | 55.14 | a | 65.97 | 76.87 | 75.50 | 76.72 | a | 71.28 | 60.40 | 51.75 | 42.27 | a | 60.27 | |||||||||
1913 | 42.28 | a | 46.23 | 50.60 | 59.23 | 67.37 | a | 74.72 | 79.35 | 77.15 | 71.50 | a | 63.76 | 56.57 | 40.98 | 60.81 | ||||||||||
1914 | ----- | z | 49.94 | b | 56.30 | a | 63.22 | a | 69.48 | 78.33 | a | 81.65 | a | 81.90 | 75.42 | 64.37 | 57.54 | b | 45.97 | 65.83 | a | |||||
1915 | 46.05 | 49.20 | 51.97 | a | 58.67 | 63.90 | 76.38 | 81.33 | a | 81.00 | a | 73.68 | 64.87 | a | 53.90 | 45.65 | 62.22 | |||||||||
1916 | 49.26 | l | 54.44 | c | 59.52 | b | 62.53 | 68.53 | 78.18 | 80.19 | 78.08 | 73.70 | 63.06 | 52.42 | 45.08 | a | 65.07 | a | ||||||||
1917 | 45.15 | a | 47.23 | 50.42 | 57.62 | 64.11 | 78.50 | 82.92 | e | 81.52 | 75.13 | 65.53 | a | 55.69 | a | 50.78 | a | 62.88 | ||||||||
1918 | 44.21 | 52.71 | 56.29 | 60.18 | 64.66 | 80.22 | 79.32 | 78.60 | 76.17 | ----- | z | ----- | z | ----- | z | 65.82 | c | |||||||||
1919 | 44.83 | a | 46.71 | b | 53.07 | a | 62.88 | 69.08 | 78.81 | a | 78.66 | 79.82 | 73.75 | 63.22 | b | 53.90 | f | 49.29 | 63.65 | a | ||||||
1920 | 47.39 | ----- | z | 54.42 | a | 55.93 | a | 67.97 | 74.40 | a | 80.84 | 76.77 | 72.17 | 57.69 | 51.14 | a | 42.24 | b | 61.90 | a | ||||||
1921 | 47.61 | d | 51.07 | 57.19 | 57.30 | 63.94 | 71.04 | g | 72.33 | a | 69.98 | 67.00 | 57.72 | a | 49.59 | c | 43.80 | c | 57.96 | a | ||||||
1922 | 40.18 | f | 47.86 | 49.28 | a | 56.24 | a | 66.82 | 76.57 | 78.32 | 76.61 | 72.35 | 62.42 | 45.87 | 46.89 | 61.75 | a | |||||||||
1923 | 47.29 | 44.84 | 49.65 | 58.65 | 67.82 | 73.85 | 75.68 | 72.26 | 69.15 | 58.71 | 49.03 | 42.44 | 59.11 | |||||||||||||
1924 | 40.71 | 50.40 | 49.65 | 59.02 | 69.19 | 80.43 | 80.87 | 79.48 | b | 75.27 | 64.08 | 54.47 | 44.37 | 62.33 | ||||||||||||
1925 | 43.45 | 50.09 | 54.94 | 58.67 | 74.31 | b | 73.68 | b | 81.55 | 78.29 | 71.67 | 62.23 | 50.07 | 43.36 | c | 61.86 | ||||||||||
1926 | 42.71 | 54.09 | a | 51.82 | 56.93 | 65.63 | a | 74.88 | 78.81 | 79.16 | 75.58 | 71.79 | e | 56.76 | c | 48.94 | 63.09 | |||||||||
1927 | 51.76 | 53.43 | 53.47 | 60.78 | 69.76 | 74.50 | j | 83.92 | a | 78.61 | 73.97 | 63.89 | ----- | z | 44.19 | j | 65.51 | c | ||||||||
1928 | 47.50 | 49.14 | 57.29 | 60.98 | 71.15 | 78.40 | 81.40 | 77.56 | 74.48 | 66.27 | 52.17 | 45.47 | 63.48 | |||||||||||||
1929 | 44.87 | 46.12 | 52.47 | 59.93 | 69.87 | 78.97 | 80.84 | 78.05 | 74.60 | 64.85 | 50.20 | 48.84 | 62.47 | |||||||||||||
1930 | 47.02 | 53.95 | 54.24 | 64.73 | 65.77 | 78.78 | 80.50 | a | 80.15 | 74.00 | a | 63.82 | 52.47 | 44.65 | 63.34 | |||||||||||
1931 | 44.87 | 50.52 | 55.31 | 62.89 | b | 68.36 | j | 75.48 | 83.21 | 78.20 | k | 75.34 | a | 67.58 | f | 51.68 | e | 47.20 | f | 62.41 | d | |||||
1932 | 46.62 | j | ----- | z | 69.90 | a | ----- | z | 71.62 | b | 77.82 | 82.71 | 81.97 | 76.53 | 65.44 | 56.58 | 45.32 | 69.77 | c | |||||||
1933 | 44.58 | 45.25 | 55.23 | a | 57.27 | 66.26 | b | 81.43 | 86.87 | 84.60 | b | 79.10 | 67.77 | 57.88 | a | ----- | z | 66.02 | a | |||||||
1934 | 48.20 | a | ----- | z | 61.05 | 67.02 | 74.89 | 77.48 | 83.40 | a | 78.93 | a | 74.69 | a | 66.52 | 55.00 | 49.50 | 66.97 | a | |||||||
1935 | 49.33 | a | 51.12 | 54.85 | a | 61.40 | 64.90 | 78.78 | 81.95 | 78.37 | 72.32 | 65.38 | a | 51.98 | 47.53 | 63.16 | ||||||||||
1936 | 46.00 | 49.34 | 54.89 | 63.52 | b | 72.17 | a | 81.48 | a | 83.08 | 80.32 | a | 72.40 | 64.21 | 52.03 | 46.30 | a | 63.81 | ||||||||
1937 | 39.28 | b | ----- | z | ----- | z | 59.95 | ----- | z | 78.12 | 82.23 | 77.44 | 70.07 | 60.98 | 56.52 | 49.50 | a | 63.79 | c | |||||||
1938 | 49.72 | a | 51.61 | 56.73 | 71.63 | 70.13 | a | 79.13 | 79.69 | 78.24 | 74.26 | a | 64.95 | 48.82 | 47.44 | 64.36 | ||||||||||
1939 | 44.05 | b | 40.69 | a | 54.26 | 62.47 | 69.57 | a | 78.47 | 80.60 | 79.08 | 73.98 | 60.66 | 53.65 | 49.50 | 62.25 | ||||||||||
1940 | 46.97 | 48.19 | 56.29 | 61.40 | 70.84 | 78.35 | 81.90 | 78.15 | 74.92 | 64.52 | 50.82 | 50.47 | 63.57 | |||||||||||||
1941 | 47.08 | a | 52.48 | 53.87 | 56.28 | e | 69.25 | a | 76.21 | b | 81.89 | 79.05 | 74.22 | c | 62.48 | c | 53.84 | b | 47.29 | b | 62.83 | |||||
1942 | 47.24 | 46.54 | d | 51.70 | f | 59.58 | f | 68.52 | c | 77.70 | 84.48 | a | 80.16 | b | 75.65 | c | 64.27 | a | 56.45 | b | 48.21 | c | 64.92 | b | ||
1943 | 47.90 | e | 52.91 | f | 56.27 | c | 66.18 | e | 71.81 | e | 78.50 | e | 82.61 | c | 80.37 | e | 76.17 | a | 64.50 | b | 54.36 | a | 46.94 | d | 65.96 | a |
1944 | 43.40 | b | 47.10 | d | 51.89 | c | 58.71 | f | 69.59 | d | 77.11 | c | 82.00 | d | 81.54 | c | 74.58 | d | 66.14 | b | 50.90 | a | 46.38 | c | 62.78 | a |
1945 | 46.10 | b | 49.46 | c | 50.45 | c | ----- | z | 68.71 | s | 73.80 | 82.48 | 80.65 | 75.02 | 65.31 | 53.05 | ----- | z | 64.03 | c | ||||||
1946 | ----- | z | ----- | z | ----- | z | 69.42 | q | 68.42 | 78.85 | 80.11 | 78.92 | 75.60 | 60.92 | a | 48.57 | c | 46.84 | 67.28 | d | ||||||
1947 | 41.12 | a | 51.29 | 53.95 | a | 60.40 | 70.97 | 76.61 | b | 81.72 | a | 78.95 | 75.63 | 64.86 | b | 48.78 | 41.33 | a | 62.13 | |||||||
1948 | 44.23 | 47.25 | c | 49.70 | a | 62.57 | 69.02 | 77.82 | 81.60 | 79.24 | 75.02 | 63.39 | 47.10 | 46.53 | 61.95 | |||||||||||
1949 | 38.45 | 45.11 | 49.64 | q | 60.13 | 66.05 | 74.48 | i | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 52.44 | h | ||||
1950 | ----- | z | ----- | z | 55.78 | h | ----- | z | ----- | z | ----- | z | 78.57 | j | ----- | z | 72.48 | a | 67.58 | 57.50 | ----- | z | 65.85 | i | ||
1951 | ----- | z | ----- | z | ----- | z | 60.19 | v | ----- | z | 76.00 | n | 81.85 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 81.85 | k | |
1952 | ----- | z | ----- | z | 50.08 | r | 60.50 | 70.02 | 77.73 | d | 80.83 | e | 80.14 | b | 75.53 | a | 67.40 | 49.97 | 43.79 | 67.32 | c | |||||
1953 | 47.84 | b | 46.02 | 54.63 | 60.10 | 62.97 | 78.67 | 81.15 | 80.13 | 75.27 | 62.06 | e | 55.28 | a | 42.66 | b | 62.23 | |||||||||
1954 | 48.16 | 53.02 | 54.57 | b | 65.62 | a | 69.65 | e | 77.33 | a | 81.48 | 76.42 | 76.57 | 67.69 | 54.86 | a | 47.75 | a | 64.43 | |||||||
1955 | 42.25 | a | 43.10 | b | 56.45 | u | 58.56 | e | 67.16 | b | 76.17 | a | 79.48 | 77.71 | 73.43 | 66.16 | 53.15 | 49.47 | 62.42 | a | ||||||
1956 | 49.90 | 44.57 | 54.85 | 59.97 | 70.10 | 81.07 | 79.61 | 76.98 | 76.23 | 63.94 | 49.88 | 45.34 | 62.70 | |||||||||||||
1957 | 48.97 | 56.23 | 54.69 | 59.55 | 65.02 | 78.82 | 81.84 | 78.73 | 73.68 | 62.74 | 48.87 | 48.53 | a | 63.14 | ||||||||||||
1958 | 44.77 | 51.32 | 50.02 | 60.32 | 74.15 | 81.02 | 81.19 | 79.50 | 74.35 | 64.21 | 52.13 | 48.45 | 63.45 | |||||||||||||
1959 | 48.84 | 48.09 | 54.03 | 63.02 | 65.21 | 79.90 | 81.50 | 77.35 | 74.88 | 63.95 | 52.45 | 47.34 | 63.05 | |||||||||||||
1960 | 42.24 | 44.05 | 57.52 | 61.78 | 68.47 | 79.73 | 81.40 | 79.94 | 75.03 | 62.05 | 54.55 | 44.05 | 62.57 | |||||||||||||
1961 | 46.74 | 47.46 | b | 54.24 | 62.23 | 69.23 | 80.58 | 81.87 | 78.66 | 72.42 | 62.60 | 50.78 | 47.13 | 62.83 | ||||||||||||
1962 | 44.81 | 51.23 | 49.60 | 64.55 | 67.85 | 75.77 | 80.60 | 81.90 | 76.08 | 65.97 | 56.90 | 49.35 | 63.72 | |||||||||||||
1963 | 45.06 | 52.30 | 53.79 | 60.43 | a | 71.28 | a | 75.02 | 81.76 | 76.71 | 74.67 | 65.69 | 54.00 | 46.35 | 63.09 | |||||||||||
1964 | 42.34 | 43.26 | 50.18 | 58.43 | 68.73 | 76.87 | 81.18 | 77.66 | 71.57 | 65.37 | 50.63 | 47.16 | 61.11 | |||||||||||||
1965 | 48.56 | 46.70 | 51.31 | 61.03 | 66.24 | 73.22 | 80.61 | 79.30 | a | 71.93 | 64.19 | 56.48 | 46.97 | 62.21 | ||||||||||||
1966 | 42.63 | 43.61 | 55.27 | 62.03 | 71.52 | 78.28 | 81.95 | 78.79 | 73.37 | 63.06 | 56.27 | 45.81 | 62.72 | |||||||||||||
1967 | 45.11 | 50.21 | 57.40 | 59.82 | 67.37 | 76.72 | 80.21 | 78.10 | ----- | z | ----- | z | ----- | z | ----- | z | 64.37 | d | ||||||||
1968 | 47.56 | m | 55.14 | 53.88 | a | 57.72 | c | 67.09 | b | ----- | z | 79.24 | f | ----- | z | 72.41 | g | 64.68 | c | 51.12 | e | 41.43 | q | 58.27 | f | |
1969 | 49.08 | e | 48.35 | h | 50.20 | i | ----- | z | ----- | z | 74.93 | g | 84.12 | c | 87.03 | 80.95 | a | ----- | z | ----- | z | ----- | z | 75.30 | h | |
1970 | 49.26 | h | 51.61 | 51.52 | 56.70 | 70.18 | 78.36 | a | 82.18 | 78.13 | 71.87 | 59.50 | 53.78 | 47.47 | 63.75 | a | ||||||||||
1971 | 46.48 | 47.46 | 54.71 | 58.58 | 65.05 | 76.08 | 83.17 | a | 76.65 | 74.12 | 60.68 | a | 52.10 | 44.16 | 61.60 | |||||||||||
1972 | 45.11 | 49.25 | a | 59.34 | 60.35 | ----- | z | 76.77 | f | 82.11 | 78.64 | b | 73.38 | 63.63 | a | 48.47 | 44.95 | 60.52 | b | |||||||
1973 | 43.81 | 49.38 | 49.79 | 57.10 | a | 69.83 | j | 77.05 | b | 80.78 | a | 80.56 | 74.88 | 64.94 | 53.27 | 46.68 | 61.66 | a | ||||||||
1974 | 47.37 | 47.44 | c | 57.03 | 61.20 | 70.73 | 82.78 | 79.68 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 63.75 | e | ||||||
1975 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 46.00 | 49.14 | 54.52 | 60.73 | 68.42 | 77.62 | 81.06 | 78.84 | 74.07 | 63.85 | 52.89 | 46.42 | 62.67 | |||||||||||||
S.D. | 2.89 | 3.30 | 3.54 | 2.89 | 2.70 | 2.13 | 2.14 | 2.42 | 2.12 | 2.42 | 2.89 | 2.57 | 1.09 | |||||||||||||
SKEW | -0.33 | -0.15 | 1.26 | 0.82 | 0.18 | -0.08 | -1.21 | -0.31 | -0.23 | -0.09 | -0.07 | -0.28 | -0.89 | |||||||||||||
MAX | 52.02 | 56.23 | 69.90 | 71.63 | 74.89 | 82.78 | 86.87 | 87.03 | 80.95 | 71.79 | 59.23 | 52.33 | 64.97 | |||||||||||||
MIN | 38.45 | 40.69 | 49.28 | 55.14 | 62.97 | 73.21 | 72.33 | 69.98 | 67.00 | 57.69 | 45.87 | 40.37 | 59.11 | |||||||||||||
YRS | 60 | 61 | 62 | 64 | 62 | 65 | 70 | 67 | 67 | 65 | 64 | 60 | 39 |