YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1893 | 43.00 | e | 38.15 | a | 44.74 | 48.00 | 59.10 | 75.63 | ----- | z | ----- | z | ----- | z | 61.81 | j | 46.56 | e | 42.19 | 49.67 | d | |||||
1894 | 35.62 | j | 33.24 | c | 42.66 | b | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 37.95 | j |
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 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1904 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1905 | ----- | z | 38.64 | 48.40 | a | 51.50 | 60.42 | 77.59 | a | 79.86 | b | 78.10 | 70.27 | 53.86 | c | 49.00 | 42.42 | 59.10 | a | |||||||
1906 | 46.52 | 46.70 | a | 44.72 | b | 55.97 | a | 65.90 | 71.86 | a | 73.00 | 75.00 | 67.50 | 57.84 | 44.73 | 45.68 | 57.95 | |||||||||
1907 | 42.94 | 52.04 | 52.74 | 52.27 | 54.65 | 70.27 | 77.32 | 75.83 | a | 70.13 | 62.39 | 50.20 | 40.77 | a | 58.46 | |||||||||||
1908 | 40.55 | 42.62 | 50.58 | 57.00 | 60.29 | 71.90 | 77.61 | 75.03 | 72.43 | 54.10 | 45.03 | 40.65 | 57.32 | |||||||||||||
1909 | 43.97 | 38.93 | 43.39 | 48.33 | 58.06 | 73.43 | 79.00 | 77.23 | 68.53 | 62.26 | 51.47 | 32.03 | 56.39 | |||||||||||||
1910 | 39.81 | 38.43 | 57.58 | 57.66 | a | 62.27 | a | 76.13 | 80.52 | 78.39 | 72.57 | 62.45 | 51.41 | a | 41.03 | 59.85 | ||||||||||
1911 | 43.10 | 36.81 | a | 51.84 | 55.93 | b | 68.07 | c | 76.68 | b | 75.06 | 77.13 | a | 73.23 | d | 58.07 | b | 42.44 | n | 37.04 | d | 59.36 | a | |||
1912 | 40.20 | a | 37.39 | a | 40.92 | f | 51.36 | b | 62.45 | 69.07 | 75.71 | c | 76.53 | a | 63.17 | 56.87 | a | 51.37 | 36.17 | a | 56.39 | a | ||||
1913 | 35.40 | a | 34.67 | a | 42.90 | 55.77 | 65.33 | a | 72.17 | 77.13 | 79.29 | 65.41 | a | 54.17 | a | 51.23 | 36.13 | 55.80 | ||||||||
1914 | 43.42 | 38.52 | a | 47.35 | 52.14 | a | 63.58 | 75.73 | 76.23 | 77.43 | a | 73.57 | 60.61 | 55.53 | 35.19 | 58.28 | ||||||||||
1915 | 37.73 | a | 43.39 | 40.48 | 56.13 | 58.63 | a | 70.27 | 78.10 | b | 73.32 | 69.29 | b | 64.32 | c | 49.21 | a | 43.04 | e | 56.99 | ||||||
1916 | 38.86 | c | 46.59 | 52.68 | 55.43 | 62.94 | ----- | z | 79.11 | c | 74.75 | c | 70.31 | a | 55.58 | 46.69 | a | 34.90 | 56.17 | a | ||||||
1917 | 36.55 | 40.79 | 40.84 | 50.24 | a | 53.69 | b | 74.36 | b | 79.17 | b | 75.25 | c | 73.40 | 59.61 | 53.07 | 44.26 | 56.77 | ||||||||
1918 | 33.77 | 44.68 | 54.32 | 47.83 | 63.71 | 78.13 | 77.32 | 77.52 | 69.21 | a | 60.06 | 45.30 | 38.74 | 57.55 | ||||||||||||
1919 | 41.65 | 38.61 | 45.93 | b | 56.40 | 65.84 | 75.17 | 81.10 | 80.61 | 73.45 | a | 55.10 | 46.17 | 45.45 | 58.79 | |||||||||||
1920 | 47.39 | 42.83 | 46.10 | a | 46.17 | 64.77 | 73.10 | 79.35 | 72.90 | 67.23 | 55.61 | 43.20 | 37.55 | 56.35 | ||||||||||||
1921 | 40.65 | 42.29 | 52.24 | b | 51.48 | a | 62.07 | a | 69.03 | 72.77 | 70.77 | 72.23 | 60.39 | 46.63 | 41.81 | 56.86 | ||||||||||
1922 | 30.45 | 33.25 | 43.16 | 48.83 | 61.43 | a | 74.30 | 72.84 | 72.29 | 67.07 | 56.16 | 40.00 | 36.81 | 53.05 | ||||||||||||
1923 | 38.13 | 36.75 | 39.81 | 51.63 | 57.59 | i | 69.41 | a | 73.62 | b | 68.42 | 63.83 | 47.45 | 41.43 | 35.06 | 51.41 | a | |||||||||
1924 | 32.52 | 42.28 | 33.13 | 49.77 | 55.81 | 74.63 | 74.52 | 78.55 | 67.20 | 55.26 | 46.03 | 34.90 | 53.72 | |||||||||||||
1925 | 34.90 | 42.46 | 47.74 | 56.40 | 63.32 | 67.20 | 71.84 | 69.32 | 64.67 | 49.13 | a | 39.87 | 36.39 | 53.60 | ||||||||||||
1926 | 32.26 | 39.50 | 39.39 | 51.47 | 61.00 | 68.40 | 68.03 | 72.45 | 68.70 | 59.06 | 43.30 | 36.20 | a | 53.31 | ||||||||||||
1927 | 39.55 | 36.04 | 39.97 | b | 51.13 | 64.93 | a | 67.50 | 71.90 | b | 66.20 | a | 64.00 | 55.55 | 48.07 | 31.13 | 53.00 | |||||||||
1928 | 39.10 | 36.76 | 43.03 | 49.30 | 60.55 | 66.57 | 73.26 | 74.03 | 69.60 | 56.13 | 42.07 | 32.58 | 53.58 | |||||||||||||
1929 | 31.19 | 28.14 | 40.52 | 48.47 | 59.42 | 73.37 | 72.19 | 71.77 | 62.70 | 53.29 | 36.60 | 39.13 | 51.40 | |||||||||||||
1930 | 27.70 | a | 43.04 | 38.03 | a | 56.93 | 57.81 | 74.23 | 73.42 | 70.71 | 67.30 | 55.81 | 43.80 | 33.74 | 53.54 | |||||||||||
1931 | 37.48 | 39.46 | 40.39 | 50.53 | 58.13 | 72.93 | 77.97 | 75.23 | a | 72.17 | 57.68 | 41.63 | 37.35 | 55.08 | ||||||||||||
1932 | 30.58 | 42.14 | 38.52 | 54.43 | 62.84 | 70.30 | 72.74 | 74.42 | 68.63 | 54.97 | 45.73 | 29.52 | 53.73 | |||||||||||||
1933 | 38.24 | j | 32.32 | 45.71 | 49.67 | 56.32 | 73.60 | 77.32 | 72.10 | 69.97 | 57.45 | 47.23 | 42.30 | a | 56.73 | a | ||||||||||
1934 | 37.03 | 40.07 | 48.29 | 55.57 | 66.52 | 73.43 | 78.19 | 73.07 | c | 69.75 | b | 61.23 | 45.33 | 38.40 | a | 57.24 | ||||||||||
1935 | 40.43 | a | 42.44 | a | 44.06 | 51.83 | a | 49.07 | b | 70.61 | b | 72.63 | a | 75.39 | 67.00 | a | 53.03 | b | 39.69 | a | 35.65 | 53.49 | ||||
1936 | 32.07 | d | 34.64 | d | 44.50 | a | 52.82 | b | 62.00 | 70.76 | a | 74.42 | 72.80 | a | 68.40 | 51.68 | 42.93 | b | 36.59 | b | 53.63 | |||||
1937 | 26.43 | c | 36.38 | b | 38.94 | 50.18 | b | 59.66 | b | 65.90 | a | 71.00 | b | 75.10 | a | 64.86 | a | ----- | z | 49.12 | e | 44.16 | 52.88 | a | ||
1938 | 40.87 | 44.29 | 50.81 | 57.67 | 62.16 | 73.41 | a | 78.55 | 80.27 | a | 69.67 | 62.90 | a | 43.90 | a | 40.48 | 58.75 | |||||||||
1939 | 39.68 | 34.00 | a | 47.55 | 56.76 | i | 67.23 | 75.30 | 83.32 | 78.58 | 74.60 | 62.27 | a | 53.80 | 47.71 | 60.37 | a | |||||||||
1940 | 34.58 | 40.37 | b | 49.84 | 54.93 | 65.16 | 77.38 | a | 79.29 | 78.00 | 69.47 | 64.23 | 47.03 | 44.13 | a | 58.70 | ||||||||||
1941 | ----- | z | 45.07 | 39.93 | b | ----- | z | ----- | z | ----- | z | ----- | z | 76.75 | c | 68.04 | e | 58.90 | a | 52.47 | 42.97 | b | 54.87 | e | ||
1942 | ----- | z | ----- | z | 42.74 | 55.57 | 62.48 | 71.80 | 79.40 | a | 81.48 | d | 71.30 | 61.45 | b | 56.28 | a | 45.03 | 62.75 | b | ||||||
1943 | 44.55 | 48.21 | 47.79 | b | 63.03 | a | 61.35 | 74.33 | 82.00 | 78.87 | 73.80 | 62.42 | 53.53 | 44.61 | 61.21 | |||||||||||
1944 | 43.32 | 41.86 | 43.29 | 49.38 | a | 64.65 | 74.10 | 78.16 | 82.35 | 72.90 | 62.87 | 47.70 | 40.13 | 58.39 | ||||||||||||
1945 | 39.29 | 43.21 | 49.03 | 48.87 | 65.03 | 68.77 | 79.29 | 76.74 | 70.07 | 63.71 | 48.72 | a | 34.77 | a | 57.29 | |||||||||||
1946 | 39.52 | 44.07 | 52.65 | 63.90 | 58.33 | a | 76.60 | 79.55 | 77.81 | 73.30 | 57.32 | 44.23 | 43.23 | a | 59.21 | |||||||||||
1947 | 37.45 | 39.50 | 44.77 | 52.57 | 65.45 | 69.93 | 80.00 | 78.00 | 73.87 | 63.74 | 39.77 | 38.10 | 56.93 | |||||||||||||
1948 | 36.65 | 39.04 | a | 39.77 | 58.00 | 64.39 | 72.27 | 79.90 | 78.84 | 74.93 | 59.74 | 42.53 | 37.84 | 56.99 | ||||||||||||
1949 | 32.32 | 38.36 | 46.55 | 59.20 | 63.29 | 71.13 | 76.00 | 76.52 | b | 70.70 | 58.55 | 55.70 | 40.19 | 57.38 | ||||||||||||
1950 | 38.42 | 47.14 | 46.52 | 57.03 | 60.68 | 75.23 | 75.35 | 75.26 | 68.28 | a | 71.13 | a | 49.69 | a | 44.77 | 59.13 | ||||||||||
1951 | 34.00 | 44.82 | 45.00 | 53.13 | 63.61 | 68.70 | 80.26 | 75.84 | 72.33 | 57.39 | 45.40 | 36.97 | 56.45 | |||||||||||||
1952 | 40.13 | 42.93 | a | 42.13 | 54.20 | 63.68 | 80.20 | 78.55 | 77.77 | 75.03 | 65.55 | 41.50 | 38.39 | 58.34 | ||||||||||||
1953 | 44.77 | 41.50 | 51.72 | b | 50.69 | a | 59.20 | a | 75.53 | 79.84 | 77.10 | 75.17 | 63.00 | 50.30 | 39.20 | a | 59.00 | |||||||||
1954 | 44.68 | 52.79 | 44.06 | 63.10 | a | 65.10 | 77.33 | 82.23 | 79.45 | 71.30 | 62.93 | a | 51.23 | 41.90 | 61.34 | |||||||||||
1955 | 36.39 | 38.00 | a | 46.19 | 57.23 | 63.87 | 70.33 | 80.52 | 77.35 | 72.43 | 63.03 | 45.10 | a | 42.23 | 57.72 | |||||||||||
1956 | 40.67 | a | 37.59 | 47.97 | ----- | z | ----- | z | ----- | z | 79.64 | i | 76.97 | 76.67 | 64.97 | 46.21 | a | 45.29 | 54.54 | d | ||||||
1957 | 39.52 | 48.50 | 48.77 | a | 49.17 | 59.55 | 74.00 | 81.84 | 79.52 | 71.47 | 60.27 | a | 41.87 | 46.42 | 58.41 | |||||||||||
1958 | 40.45 | 47.07 | 40.97 | a | 49.48 | a | ----- | z | 77.77 | 79.69 | b | 81.39 | 74.90 | 65.17 | a | 53.47 | 47.23 | 59.78 | a | |||||||
1959 | 41.74 | 41.46 | 45.39 | 55.80 | 62.10 | 78.40 | 80.77 | 79.23 | 68.03 | a | 57.84 | 49.50 | 47.45 | 58.98 | ||||||||||||
1960 | 39.06 | 33.03 | 48.13 | 59.10 | 64.93 | a | 77.63 | 80.87 | a | 80.41 | b | 72.73 | 61.65 | 52.53 | 42.90 | a | 59.42 | |||||||||
1961 | 44.42 | 45.79 | 45.58 | 53.43 | 65.48 | 73.90 | 78.35 | 76.81 | 64.20 | 62.74 | 46.03 | a | 37.81 | 57.88 | ||||||||||||
1962 | 39.74 | 44.25 | 44.61 | 59.63 | 68.24 | f | 73.81 | c | 80.10 | 82.61 | 72.90 | i | 66.64 | c | 52.37 | 46.16 | 58.99 | b | ||||||||
1963 | 35.87 | 48.79 | d | 49.81 | e | 58.30 | 68.68 | 74.67 | 82.33 | a | 74.13 | 72.13 | 66.45 | 53.17 | 41.71 | 60.50 | ||||||||||
1964 | 37.16 | 34.41 | 39.74 | 51.23 | 64.68 | 70.03 | 80.74 | 77.00 | a | 69.83 | 62.77 | 47.20 | 39.55 | 56.20 | ||||||||||||
1965 | 41.45 | 40.50 | 36.43 | a | 55.14 | a | 61.77 | 69.67 | 77.10 | 74.45 | 60.83 | 64.71 | 53.38 | d | 45.77 | a | 56.77 | |||||||||
1966 | 37.70 | d | 36.89 | a | 51.84 | 54.63 | 67.81 | 72.27 | 81.58 | 76.19 | 70.93 | 60.71 | 53.26 | g | 42.47 | a | 59.37 | a | ||||||||
1967 | 42.94 | 41.07 | a | 50.29 | g | 55.27 | 58.93 | a | 66.81 | c | 77.81 | 75.94 | 70.53 | 61.26 | 48.03 | 37.19 | 57.80 | a | ||||||||
1968 | 43.58 | ----- | z | ----- | z | ----- | z | ----- | z | 80.21 | k | ----- | z | 73.52 | 69.67 | c | 63.70 | a | 46.09 | g | 40.81 | 58.25 | g | |||
1969 | 46.06 | 44.18 | 40.65 | 58.25 | b | 65.07 | a | 63.70 | 77.68 | c | 78.68 | 69.43 | 50.16 | 48.33 | 42.26 | 57.04 | ||||||||||
1970 | 39.23 | 46.29 | 41.73 | a | 48.33 | 65.93 | a | 72.33 | 77.76 | b | 76.84 | 66.07 | 50.35 | e | 47.47 | 43.23 | 56.30 | |||||||||
1971 | 39.39 | 38.14 | 47.00 | 52.60 | 61.55 | 74.87 | 76.63 | a | 75.48 | ----- | z | ----- | z | ----- | z | 37.90 | 55.95 | c | ||||||||
1972 | 38.65 | 42.79 | 51.03 | 54.72 | a | 63.29 | 75.20 | 80.81 | d | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 58.07 | e | |||||
1973 | 41.61 | c | 42.44 | a | 42.39 | c | ----- | z | 58.30 | d | 72.40 | 70.87 | p | 76.87 | ----- | z | ----- | z | 51.60 | ----- | z | 55.09 | e | |||
1974 | 39.16 | 48.61 | 56.06 | 57.13 | 72.87 | 76.90 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 58.46 | f | ||||||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 38.81 | 40.97 | 45.41 | 53.78 | 62.26 | 72.84 | 77.55 | 76.18 | 69.88 | 59.35 | 47.38 | 40.03 | 56.88 | |||||||||||||
S.D. | 4.46 | 4.84 | 4.94 | 3.99 | 3.88 | 3.44 | 3.31 | 3.22 | 3.46 | 4.72 | 4.52 | 4.27 | 2.33 | |||||||||||||
SKEW | -0.58 | 0.02 | 0.16 | 0.37 | -0.53 | -0.31 | -0.64 | -0.57 | -0.43 | -0.31 | -0.07 | -0.20 | -0.38 | |||||||||||||
MAX | 47.39 | 52.79 | 57.58 | 63.90 | 72.87 | 80.20 | 83.32 | 82.61 | 76.67 | 71.13 | 56.28 | 47.71 | 61.34 | |||||||||||||
MIN | 26.43 | 28.14 | 33.13 | 46.17 | 49.07 | 63.70 | 68.03 | 66.20 | 60.83 | 47.45 | 36.60 | 29.52 | 51.40 | |||||||||||||
YRS | 67 | 70 | 69 | 66 | 65 | 67 | 65 | 68 | 65 | 65 | 65 | 68 | 50 |