YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1892 | 31.25 | c | 35.57 | a | 40.10 | a | 47.14 | a | 55.94 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 42.30 | 29.67 | a | 40.28 | e | ||
1893 | 38.38 | b | 32.19 | a | 39.23 | 45.62 | a | 57.19 | 73.90 | 79.48 | 74.84 | 69.43 | 55.29 | 42.04 | b | 35.53 | a | 53.59 | ||||||||
1894 | ----- | z | 27.79 | 40.97 | b | 52.36 | b | 63.55 | 70.13 | 77.81 | 77.26 | 66.50 | 59.13 | a | 49.77 | 34.93 | c | 56.38 | a | |||||||
1895 | ----- | z | 30.48 | a | 40.21 | b | 54.25 | b | 57.43 | a | 64.93 | 72.26 | 75.10 | 70.40 | 55.94 | 39.50 | b | 25.69 | b | 53.29 | a | |||||
1896 | 42.37 | a | 36.34 | 37.81 | 50.63 | 62.20 | a | 73.83 | 75.77 | 77.03 | 67.03 | 57.17 | b | 39.54 | b | 44.23 | 55.33 | |||||||||
1897 | 31.07 | c | 30.21 | 36.00 | a | 46.67 | 64.81 | 69.60 | 75.45 | 74.94 | 71.90 | 55.94 | 46.81 | d | 27.32 | c | 52.56 | |||||||||
1898 | 27.87 | 36.32 | 40.43 | c | 54.70 | 53.37 | l | 72.43 | 78.65 | 78.94 | 68.50 | 52.23 | a | 35.86 | a | 26.93 | b | 52.08 | a | |||||||
1899 | 31.23 | a | 23.54 | b | 34.17 | b | 49.53 | 57.26 | 68.50 | 76.77 | 75.65 | 72.52 | i | 49.68 | 49.13 | 30.33 | a | 49.62 | a | |||||||
1900 | 37.77 | 31.89 | a | 44.77 | 47.31 | a | 64.68 | 77.63 | 78.97 | 79.26 | 66.37 | 61.38 | b | 47.20 | 38.50 | a | 56.31 | |||||||||
1901 | 28.30 | a | 33.69 | b | 39.08 | f | 48.36 | b | 63.32 | 67.69 | a | 83.13 | 75.84 | 68.40 | 58.65 | 50.40 | 33.40 | f | 57.78 | b | ||||||
1902 | 34.68 | 39.31 | b | 38.59 | b | 52.52 | a | 63.53 | a | 73.67 | ----- | z | 77.77 | 68.68 | b | 57.73 | a | 45.92 | d | ----- | z | 55.24 | b | |||
1903 | 34.55 | b | 23.28 | c | 43.29 | c | 50.88 | d | 57.07 | a | 67.59 | a | 78.30 | a | 78.61 | 65.75 | b | 58.28 | b | 47.55 | a | 38.79 | c | 53.66 | ||
1904 | 31.20 | a | 41.69 | c | 45.14 | c | 52.90 | 59.47 | a | 67.60 | 75.87 | a | 76.48 | 70.07 | 58.23 | a | 52.62 | a | 39.21 | c | 55.87 | |||||
1905 | 33.58 | 30.08 | b | 45.77 | a | 47.93 | a | 56.10 | 73.77 | 76.77 | 79.10 | 71.57 | 49.90 | 46.63 | 34.45 | 53.80 | ||||||||||
1906 | 37.20 | a | 39.96 | 35.81 | 51.67 | 60.81 | 69.63 | 74.48 | 77.74 | 67.50 | 53.61 | 40.60 | 41.06 | 54.17 | ||||||||||||
1907 | 36.48 | 44.50 | 47.71 | 49.67 | 53.42 | 67.60 | 77.58 | 76.06 | 69.10 | 60.42 | 45.17 | 36.19 | 55.33 | |||||||||||||
1908 | 36.35 | 39.31 | 47.52 | 57.30 | 57.45 | 68.47 | 75.42 | 73.55 | 71.60 | 52.45 | 39.53 | 35.29 | 54.52 | |||||||||||||
1909 | 39.61 | 35.29 | 40.39 | 44.53 | 56.23 | 71.63 | 80.90 | 79.32 | 68.27 | 60.74 | 47.80 | 25.58 | 54.19 | |||||||||||||
1910 | 34.45 | 32.86 | 55.39 | 57.97 | 61.45 | b | 75.93 | a | 79.90 | 78.45 | 70.70 | 59.00 | 48.76 | a | 37.41 | b | 57.69 | |||||||||
1911 | 36.07 | a | 32.81 | b | 48.10 | b | 51.93 | a | 64.17 | b | 74.17 | 75.94 | 76.55 | 71.27 | 54.46 | c | 40.40 | e | 30.86 | b | 54.73 | |||||
1912 | 33.86 | b | 32.00 | a | 36.61 | 47.37 | 58.87 | 70.00 | 75.80 | a | 75.29 | 59.39 | b | 54.27 | a | 44.60 | ----- | z | 53.46 | a | ||||||
1913 | 33.50 | a | 26.21 | 39.94 | ----- | z | 63.90 | a | 73.41 | a | 76.19 | 80.52 | 64.97 | a | 53.00 | a | 47.72 | a | 24.65 | 53.09 | a | |||||
1914 | 34.90 | 33.07 | 42.48 | 50.73 | 63.20 | a | 71.60 | 77.71 | 76.32 | 72.57 | 57.00 | 51.63 | 28.48 | 54.98 | ||||||||||||
1915 | 31.10 | 38.68 | 37.20 | a | 51.70 | 52.81 | 62.87 | 72.68 | 69.35 | 61.47 | 54.61 | 40.63 | 32.68 | 50.48 | ||||||||||||
1916 | 27.14 | b | 38.03 | 47.94 | 52.21 | a | 59.81 | 71.43 | 80.00 | 74.68 | 69.10 | 58.13 | 37.50 | 26.32 | 53.52 | |||||||||||
1917 | 26.55 | 32.18 | 31.52 | 42.70 | 50.20 | a | 68.40 | 79.10 | 73.32 | 70.10 | 55.16 | 49.87 | 40.03 | 51.59 | ||||||||||||
1918 | 29.58 | 38.11 | 48.39 | 45.93 | 61.55 | 79.30 | c | 77.84 | 75.39 | 66.33 | 56.10 | a | 38.27 | 31.48 | 54.02 | |||||||||||
1919 | 36.87 | 31.75 | 40.48 | 51.63 | 63.68 | 74.83 | 81.61 | 79.13 | a | 69.57 | 49.03 | 38.83 | 36.13 | 54.46 | ||||||||||||
1920 | 38.39 | 35.83 | 39.37 | a | 38.90 | 58.94 | 69.17 | 78.03 | 72.10 | 66.10 | 53.26 | 39.14 | a | 31.87 | 51.76 | |||||||||||
1921 | 35.68 | 37.50 | 46.29 | 47.10 | 60.65 | 72.00 | a | 77.06 | 75.06 | 69.37 | 61.68 | 47.38 | a | 38.13 | 55.66 | |||||||||||
1922 | 29.70 | a | 30.89 | 41.45 | 46.27 | 58.97 | 74.83 | 77.81 | 78.39 | 70.90 | 58.93 | a | 40.37 | 36.13 | 53.72 | |||||||||||
1923 | 37.84 | 33.00 | 36.00 | 49.77 | 58.81 | 68.57 | 76.65 | 73.45 | 65.17 | 46.35 | 42.40 | 35.35 | 51.95 | |||||||||||||
1924 | 30.10 | 39.83 | 31.35 | 48.76 | a | 56.68 | 73.43 | 77.23 | 78.39 | 66.47 | 55.77 | 44.57 | 30.42 | 52.75 | ||||||||||||
1925 | 30.94 | 39.86 | 45.58 | 54.00 | 62.87 | 68.50 | 77.06 | 71.58 | 66.63 | 50.13 | 41.20 | 33.32 | 53.47 | |||||||||||||
1926 | 28.61 | 37.11 | 38.55 | 52.10 | 60.16 | 69.63 | 72.84 | 75.13 | 66.40 | 55.77 | 39.47 | 28.45 | 52.02 | |||||||||||||
1927 | 34.97 | 35.68 | 38.61 | 48.17 | 59.55 | 67.43 | 75.94 | 70.94 | 64.43 | 58.48 | 44.87 | 28.23 | 52.27 | |||||||||||||
1928 | 36.19 | 34.45 | 41.84 | 46.13 | 61.68 | 64.80 | 76.52 | 74.74 | 68.37 | 56.65 | 42.10 | 33.13 | 53.05 | |||||||||||||
1929 | 30.58 | 26.00 | 36.68 | 44.87 | 57.32 | 70.97 | 77.87 | 76.71 | 62.77 | 55.06 | 33.00 | 37.32 | 50.76 | |||||||||||||
1930 | 23.77 | 40.39 | 37.97 | a | 57.73 | 56.52 | 71.90 | 78.55 | 74.06 | 66.69 | a | 53.48 | 42.67 | 32.23 | 53.00 | |||||||||||
1931 | 35.74 | 40.29 | 37.29 | 50.37 | 58.26 | 74.53 | 80.94 | 75.97 | 69.53 | 56.00 | 39.67 | 34.65 | 54.44 | |||||||||||||
1932 | 26.00 | 37.45 | 32.26 | 49.87 | 61.48 | 69.20 | 78.58 | 78.39 | 70.10 | a | 54.52 | 44.90 | 24.77 | 52.29 | ||||||||||||
1933 | 33.58 | 28.04 | 43.03 | 47.10 | 57.77 | 76.90 | 80.97 | 75.19 | 71.07 | 62.26 | 48.67 | 42.55 | 55.59 | |||||||||||||
1934 | 38.42 | 42.29 | 47.68 | 55.17 | 69.42 | 72.77 | 81.42 | 78.65 | 66.17 | 61.87 | 45.43 | 34.68 | 57.83 | |||||||||||||
1935 | 40.58 | 41.89 | 41.68 | 47.77 | 51.81 | 71.53 | 79.94 | 77.58 | 68.87 | 55.45 | 41.50 | 36.23 | 54.57 | |||||||||||||
1936 | 31.52 | 32.17 | 42.16 | 52.47 | 65.97 | 75.17 | 80.90 | 77.55 | 67.60 | 53.45 | 44.63 | 36.61 | 55.02 | |||||||||||||
1937 | 23.68 | 33.75 | 39.55 | 47.70 | 61.83 | a | 69.57 | 77.61 | 80.45 | 70.53 | 58.06 | 43.10 | 35.61 | 53.45 | ||||||||||||
1938 | 34.42 | 36.64 | 42.10 | 52.60 | 58.42 | 71.62 | a | 76.84 | 77.32 | 69.30 | 59.00 | 36.87 | 34.84 | 54.16 | ||||||||||||
1939 | 33.61 | 25.82 | 43.32 | 53.77 | 65.26 | 70.47 | 81.97 | 78.10 | 71.07 | a | 57.32 | 51.43 | 44.03 | 56.35 | ||||||||||||
1940 | 28.00 | 35.52 | 45.29 | 50.77 | 64.00 | 75.53 | 80.06 | 77.39 | 69.07 | 59.81 | 39.10 | 39.32 | 55.32 | |||||||||||||
1941 | 37.32 | 41.04 | 39.77 | 45.90 | 63.58 | 68.27 | 78.00 | 74.03 | 64.13 | 53.61 | 45.62 | a | 38.52 | 54.15 | ||||||||||||
1942 | 31.39 | 28.43 | 38.58 | 52.67 | 58.19 | 68.97 | 79.39 | 77.55 | 65.90 | 55.13 | 46.07 | 38.29 | 53.38 | |||||||||||||
1943 | 36.23 | 42.11 | 39.84 | 56.90 | 56.74 | 69.43 | 80.87 | 78.58 | 71.23 | 59.06 | 44.43 | 36.23 | 55.97 | |||||||||||||
1944 | 33.42 | 34.72 | 36.39 | 46.00 | 61.65 | 70.03 | 76.84 | 79.29 | 70.13 | 61.06 | 44.13 | 35.55 | 54.10 | |||||||||||||
1945 | 33.42 | 34.89 | 41.26 | 42.70 | 60.87 | 64.73 | 77.87 | 76.10 | 64.37 | 60.90 | 43.67 | 31.48 | 52.69 | |||||||||||||
1946 | 34.03 | 37.43 | 46.74 | 58.37 | 54.70 | a | 73.77 | 80.10 | 77.45 | 69.50 | 51.58 | 41.33 | 40.29 | 55.44 | ||||||||||||
1947 | 33.10 | 35.46 | 39.52 | 48.33 | 61.58 | 65.30 | 79.10 | 77.74 | 71.27 | 60.68 | 35.00 | 33.77 | a | 53.40 | ||||||||||||
1948 | 29.23 | a | 32.34 | 35.52 | 55.27 | 65.87 | 72.57 | 80.29 | 79.58 | 72.33 | 58.26 | 36.33 | 33.23 | 54.24 | ||||||||||||
1949 | 22.45 | 31.54 | 41.19 | 54.60 | 59.94 | 68.50 | 78.42 | 77.81 | 69.73 | 52.87 | 53.53 | 35.74 | 53.86 | |||||||||||||
1950 | 32.65 | 41.57 | 40.32 | 50.73 | 56.23 | 71.67 | 73.68 | 74.77 | 64.57 | 65.52 | 44.00 | 40.71 | 54.70 | |||||||||||||
1951 | 30.58 | 38.18 | 39.19 | 47.67 | 60.65 | 64.03 | 79.71 | 74.23 | 67.30 | 52.81 | 39.43 | 31.97 | 52.15 | |||||||||||||
1952 | 33.32 | 35.31 | 35.16 | 52.47 | 61.23 | 75.43 | 77.97 | 76.10 | 72.17 | 62.00 | 37.23 | 34.32 | 54.39 | |||||||||||||
1953 | 39.58 | 33.21 | 46.10 | 46.50 | 55.81 | 74.43 | 79.71 | 76.58 | 72.10 | 59.10 | 47.03 | 33.61 | 55.31 | |||||||||||||
1954 | 39.52 | 45.50 | 37.29 | 56.17 | 62.48 | 73.37 | 83.32 | 78.10 | 72.53 | 57.97 | 48.90 | 38.39 | 57.79 | |||||||||||||
1955 | 32.29 | 30.29 | 38.58 | 54.30 | 62.32 | 67.77 | 81.35 | 78.35 | 70.33 | 59.00 | 39.53 | 37.68 | 54.32 | |||||||||||||
1956 | 36.97 | 27.76 | 42.03 | 51.00 | 64.35 | 78.13 | 77.16 | 74.39 | 73.13 | 61.42 | 37.60 | 36.48 | 55.04 | |||||||||||||
1957 | 29.97 | 41.89 | 40.77 | 46.50 | 56.00 | 69.97 | 78.71 | 77.55 | 66.83 | 55.90 | 36.23 | 40.13 | 53.37 | |||||||||||||
1958 | 35.19 | 41.46 | 33.84 | 45.83 | 66.29 | 73.83 | 75.90 | 78.77 | 69.83 | 60.39 | 46.40 | 37.55 | 55.44 | |||||||||||||
1959 | 34.32 | 35.00 | 38.58 | 49.30 | 58.61 | 75.43 | 78.61 | 77.35 | 64.57 | 52.58 | 43.97 | a | 41.13 | 54.12 | ||||||||||||
1960 | 31.74 | 26.55 | 42.90 | 53.87 | 62.43 | a | 73.20 | 79.06 | 77.45 | 70.73 | 56.68 | 44.27 | 32.10 | 54.25 | ||||||||||||
1961 | 36.26 | 37.46 | 40.45 | 47.47 | 61.32 | 73.33 | 77.58 | 76.97 | 59.43 | 54.58 | 38.80 | 30.16 | 52.82 | |||||||||||||
1962 | 28.52 | 35.64 | 36.39 | 56.10 | 63.90 | a | 70.73 | 76.94 | 78.00 | 69.80 | 60.84 | 47.50 | 38.87 | 55.27 | ||||||||||||
1963 | 26.61 | 39.29 | 41.65 | 51.50 | 65.42 | 73.53 | 82.07 | a | 75.84 | 73.90 | 65.10 | 49.10 | 35.74 | 56.65 | ||||||||||||
1964 | 30.77 | 28.14 | 34.32 | 47.03 | 62.58 | 68.70 | 83.29 | 74.87 | 68.90 | 60.19 | 41.83 | 33.13 | 52.81 | |||||||||||||
1965 | 36.84 | 33.96 | 31.35 | 51.90 | 58.65 | 68.70 | 78.06 | 74.74 | 59.53 | 62.84 | 48.23 | 39.74 | 53.71 | |||||||||||||
1966 | 33.10 | 32.14 | 46.97 | 50.80 | 66.77 | 71.47 | 83.23 | 76.58 | 69.40 | 55.65 | 46.87 | 34.97 | 55.66 | |||||||||||||
1967 | 35.68 | 36.25 | 46.42 | 52.83 | 57.35 | 66.57 | 77.74 | 76.58 | 67.20 | 58.52 | 43.97 | 28.65 | 53.98 | |||||||||||||
1968 | 35.84 | 36.79 | 44.87 | 44.17 | 57.13 | 73.23 | 77.94 | 73.45 | 66.77 | 60.19 | 40.33 | 33.61 | 53.69 | |||||||||||||
1969 | 39.13 | 36.00 | 33.42 | 55.87 | 66.23 | 65.77 | 81.55 | 81.06 | 72.50 | 43.77 | 42.23 | 36.71 | 54.52 | |||||||||||||
1970 | 32.97 | 41.68 | 35.65 | 45.40 | 64.32 | 71.63 | 79.71 | 80.68 | 66.20 | 49.35 | 40.77 | 36.29 | 53.72 | |||||||||||||
1971 | 34.13 | 32.86 | 39.65 | 50.70 | 58.23 | 75.13 | 77.84 | 79.81 | 64.53 | 55.32 | 43.23 | 34.13 | 53.80 | |||||||||||||
1972 | 33.13 | 38.97 | 48.81 | 52.87 | 62.03 | 73.70 | 77.71 | 76.13 | 67.33 | 55.13 | 35.00 | 30.84 | 54.30 | |||||||||||||
1973 | ----- | z | 33.64 | 36.77 | 43.00 | 60.83 | a | 72.83 | 75.93 | a | 78.71 | 65.53 | 60.57 | a | 42.57 | 36.00 | c | 55.13 | a | |||||||
1974 | 30.26 | 36.46 | 46.48 | 50.62 | a | 65.50 | e | 76.03 | 80.29 | 77.23 | a | 67.75 | b | 60.12 | e | 47.25 | j | 34.94 | 56.88 | a | ||||||
1975 | 32.29 | 32.96 | 38.48 | 46.00 | b | 55.33 | j | 63.19 | i | 79.00 | b | 76.97 | 65.57 | b | 59.45 | b | 45.20 | e | 37.56 | f | 52.88 | c | ||||
1976 | 34.26 | 43.21 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 38.73 | j | ||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 33.23 | 35.08 | 40.59 | 50.11 | 60.44 | 71.21 | 78.34 | 76.66 | 68.17 | 56.73 | 43.37 | 34.63 | 54.16 | |||||||||||||
S.D. | 4.03 | 4.90 | 4.69 | 4.01 | 3.75 | 3.46 | 2.37 | 2.25 | 3.12 | 4.03 | 4.51 | 4.45 | 1.49 | |||||||||||||
SKEW | -0.36 | -0.24 | 0.32 | -0.08 | -0.23 | -0.13 | -0.10 | -0.62 | -0.73 | -0.54 | 0.02 | -0.30 | 0.13 | |||||||||||||
MAX | 42.37 | 45.50 | 55.39 | 58.37 | 69.42 | 79.30 | 83.32 | 81.06 | 73.90 | 65.52 | 53.53 | 44.23 | 57.83 | |||||||||||||
MIN | 22.45 | 23.28 | 31.35 | 38.90 | 50.20 | 62.87 | 72.26 | 69.35 | 59.39 | 43.77 | 33.00 | 24.65 | 50.48 | |||||||||||||
YRS | 82 | 85 | 83 | 83 | 82 | 82 | 82 | 83 | 82 | 83 | 83 | 80 | 72 |