YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1893 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 85.87 | 85.06 | 79.23 | 61.94 | 43.80 | 23.29 | 63.20 | f | ||||||
1894 | 16.83 | a | 26.43 | 44.45 | 55.47 | 73.13 | a | 86.96 | b | 91.71 | 87.81 | 79.00 | 59.77 | 38.30 | 36.67 | a | 58.04 | |||||||||
1895 | 12.68 | 20.46 | 40.70 | d | 68.23 | 69.55 | 75.63 | 83.21 | b | 84.00 | b | 80.18 | b | 61.69 | b | 37.33 | 29.53 | a | 55.27 | |||||||
1896 | 21.06 | 29.69 | 30.50 | a | 54.90 | 71.48 | 77.61 | b | 83.03 | 84.72 | b | 71.87 | 56.19 | 22.86 | a | 28.39 | 52.69 | |||||||||
1897 | 14.63 | a | 21.54 | 25.35 | 56.32 | b | 71.54 | r | 74.87 | 81.94 | 77.06 | 83.80 | 64.24 | b | 37.87 | 24.48 | 51.10 | a | ||||||||
1898 | 32.23 | 29.61 | 42.87 | a | 58.77 | 67.29 | 79.24 | a | 81.43 | a | 81.67 | a | 77.45 | a | 51.74 | 38.00 | a | 27.10 | b | 55.62 | ||||||
1899 | 24.68 | 16.39 | 24.35 | 58.77 | 67.97 | 76.83 | 85.10 | 82.58 | 71.10 | 58.77 | a | 50.53 | 27.50 | a | 53.71 | |||||||||||
1900 | 33.74 | l | 18.44 | c | 34.60 | a | 60.27 | 71.57 | a | 80.40 | 80.11 | c | ----- | z | 74.80 | 69.06 | 26.60 | o | 29.55 | 57.64 | c | |||||
1901 | 25.58 | 25.28 | c | 39.55 | 60.62 | a | 73.74 | 77.77 | 89.68 | l | 86.80 | a | 69.68 | b | 65.54 | e | 41.72 | a | 29.17 | b | 54.13 | a | ||||
1902 | 30.16 | 29.59 | a | 45.70 | a | 58.33 | 70.69 | b | 72.90 | 84.03 | 79.71 | 71.33 | 61.42 | 40.41 | c | 21.87 | 55.51 | |||||||||
1903 | 23.84 | 22.69 | b | 37.90 | a | 59.12 | e | 69.70 | a | 77.67 | 78.77 | a | 76.00 | a | 68.03 | 62.52 | b | 40.37 | 25.48 | 53.51 | ||||||
1904 | 16.90 | 15.64 | a | 36.35 | 49.20 | 69.65 | 74.60 | 81.05 | j | 80.26 | 70.77 | ----- | z | ----- | z | ----- | z | 51.67 | d | |||||||
1905 | ----- | z | 28.73 | q | 47.58 | 56.50 | 55.00 | w | 72.74 | k | 79.61 | c | 83.87 | 80.86 | w | 55.96 | c | 49.38 | a | 32.60 | a | 57.93 | e | |||
1906 | 30.48 | 30.96 | a | 31.10 | 58.00 | ----- | z | 74.40 | 82.64 | i | 80.00 | 75.80 | 58.23 | 38.33 | 26.65 | 50.39 | b | |||||||||
1907 | 13.84 | 28.11 | 45.48 | b | 46.00 | 58.76 | b | 74.00 | 80.37 | a | 83.06 | 69.97 | 61.10 | 41.77 | 32.10 | 52.88 | ||||||||||
1908 | 30.52 | b | 25.21 | 36.77 | a | 61.17 | 66.84 | 73.17 | a | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 48.94 | f | |||
1909 | ----- | z | ----- | z | ----- | z | ----- | z | 68.96 | d | 76.90 | 80.69 | b | 85.90 | 75.07 | 56.48 | 43.47 | 15.76 | b | 62.90 | d | |||||
1910 | 24.20 | f | 20.37 | a | 58.23 | a | 69.46 | d | 67.79 | c | 81.57 | 88.48 | 81.81 | 74.27 | 70.75 | c | 34.13 | 30.17 | m | 64.69 | b | |||||
1911 | ----- | z | ----- | z | ----- | z | ----- | z | 80.44 | m | 84.47 | 84.23 | e | 80.13 | ----- | z | ----- | z | ----- | z | ----- | z | 82.94 | i | ||
1912 | 15.90 | k | 25.41 | 36.07 | b | 64.07 | a | 70.52 | b | 75.93 | 81.52 | 78.90 | 70.21 | a | 65.58 | 49.13 | 36.37 | a | 59.43 | a | ||||||
1913 | 22.32 | 24.07 | 35.48 | 61.97 | 66.94 | 83.67 | 81.87 | 86.42 | 74.33 | 58.65 | ----- | z | 36.97 | 57.52 | a | |||||||||||
1914 | 28.13 | a | 16.50 | 37.13 | 53.87 | 71.32 | 77.07 | 88.48 | 80.19 | ----- | z | ----- | z | 48.57 | b | 20.17 | a | 52.14 | b | |||||||
1915 | 19.48 | 29.41 | a | 32.65 | 65.83 | 61.58 | 72.17 | a | 77.52 | 77.65 | 70.50 | 63.29 | 46.07 | a | 26.77 | 53.58 | ||||||||||
1916 | 9.77 | 17.62 | c | 34.03 | 51.77 | 66.23 | 72.97 | 91.10 | 80.87 | 67.30 | 55.03 | 39.91 | h | 18.15 | d | 51.35 | a | |||||||||
1917 | 16.35 | 10.59 | f | 37.68 | 55.47 | 76.03 | a | 82.57 | 95.55 | b | 89.67 | a | 67.00 | y | 48.84 | 48.63 | 17.94 | 56.87 | b | |||||||
1918 | 12.93 | a | 28.67 | a | 49.81 | 56.31 | a | 73.13 | a | 81.33 | f | 87.97 | a | 86.39 | 72.43 | 63.39 | 43.87 | 30.39 | 55.03 | a | ||||||
1919 | 30.36 | c | 21.93 | 39.03 | 56.43 | 71.40 | a | 81.60 | ----- | z | 87.27 | a | 79.52 | a | 53.31 | b | 33.36 | b | 19.04 | e | 52.11 | a | ||||
1920 | 19.04 | h | 28.50 | c | 42.81 | e | 48.43 | 69.76 | f | 79.83 | 86.19 | d | 88.50 | i | 88.40 | y | 71.45 | 44.56 | c | 34.54 | c | 54.54 | d | |||
1921 | 37.59 | d | 40.96 | b | 52.68 | c | 65.00 | b | 75.24 | b | 89.04 | c | 90.73 | a | 87.59 | b | 78.62 | a | 71.73 | e | ----- | z | ----- | z | 68.92 | b |
1922 | 33.20 | a | 28.67 | d | 41.27 | a | 60.21 | b | 75.79 | b | 84.73 | d | 86.76 | b | 91.59 | b | 82.00 | a | 69.75 | g | 46.00 | h | 26.69 | b | 61.09 | b |
1923 | 27.00 | e | 19.64 | f | 38.68 | f | 58.11 | b | 72.68 | 82.72 | a | 91.45 | 84.35 | 79.33 | c | 61.76 | b | 51.31 | d | 39.08 | f | 67.63 | c | |||
1924 | 17.39 | c | 33.63 | b | 39.62 | b | 56.83 | a | 63.73 | a | 74.93 | a | 84.20 | a | 82.83 | a | 70.67 | c | 68.82 | c | 43.34 | a | 17.53 | a | 54.46 | |
1925 | 22.24 | b | 29.80 | c | 48.23 | e | 67.10 | a | 70.87 | 76.93 | a | 82.35 | 90.62 | b | ----- | z | ----- | z | ----- | z | ----- | z | 61.02 | d | ||
1926 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 89.00 | 81.90 | ----- | z | ----- | z | ----- | z | ----- | z | 85.45 | j | ||
1927 | ----- | z | ----- | z | 46.40 | p | 58.27 | 66.39 | 78.33 | 81.47 | a | 82.43 | a | 76.60 | 65.97 | b | 36.45 | a | 13.89 | c | 62.20 | c | ||||
1928 | 28.87 | a | 32.41 | 46.93 | a | 53.17 | 78.86 | b | 78.31 | a | 85.28 | b | 83.41 | b | 73.60 | 60.90 | b | 47.03 | 37.52 | 58.86 | ||||||
1929 | 11.84 | 17.96 | 46.45 | 60.73 | 68.45 | 83.24 | a | 89.03 | 87.23 | 71.00 | 61.29 | g | 39.33 | 25.71 | 54.63 | a | ||||||||||
1930 | 17.13 | a | 38.46 | 44.16 | 63.90 | a | 71.93 | c | 80.90 | 88.97 | 87.62 | b | 75.97 | 59.12 | e | 47.59 | a | 34.03 | a | 59.15 | ||||||
1931 | 38.90 | 43.59 | a | 44.16 | 64.37 | 71.27 | a | 87.57 | 92.52 | b | 83.90 | 85.72 | a | 66.13 | 50.21 | a | 34.39 | 63.56 | ||||||||
1932 | 24.58 | 29.59 | b | 34.10 | 56.97 | 73.97 | b | 82.83 | a | 88.35 | 86.32 | 76.88 | d | 56.65 | 41.17 | 31.15 | e | 56.88 | ||||||||
1933 | 33.40 | a | 27.50 | 44.32 | 57.73 | 71.13 | 93.21 | b | 93.13 | a | 86.93 | a | 82.10 | 62.79 | c | 46.17 | 33.25 | k | 63.49 | a | ||||||
1934 | 31.32 | 33.00 | 42.97 | b | 60.86 | a | 85.03 | 85.10 | 90.23 | 84.00 | 69.03 | 65.23 | 46.77 | 24.29 | 59.82 | |||||||||||
1935 | 18.71 | 36.71 | 41.74 | 49.57 | 63.84 | 74.48 | a | 88.71 | 84.39 | 75.57 | 61.03 | 34.33 | 24.97 | 54.50 | ||||||||||||
1936 | 7.40 | a | 3.28 | 40.35 | 52.67 | 77.53 | a | 83.50 | 98.61 | 88.23 | 78.40 | 60.10 | 37.60 | 28.58 | 54.69 | |||||||||||
1937 | 10.07 | a | 21.50 | 35.19 | 50.90 | 71.52 | 76.63 | 88.13 | 91.00 | 75.87 | 57.35 | 39.97 | 24.94 | 53.59 | ||||||||||||
1938 | 20.13 | 25.25 | 47.06 | 60.87 | 64.16 | 78.63 | 83.39 | 90.13 | 76.73 | 68.87 | 40.07 | 31.81 | 57.26 | |||||||||||||
1939 | 25.81 | 17.18 | 41.55 | 56.17 | 78.74 | 78.83 | 85.94 | 85.65 | 79.53 | 59.48 | 52.53 | 41.35 | 58.56 | |||||||||||||
1940 | 16.58 | 27.17 | 31.00 | 52.90 | 70.81 | 80.40 | 89.52 | 79.00 | 79.03 | 66.48 | 33.15 | d | 31.00 | 54.75 | ||||||||||||
1941 | 25.26 | 24.89 | 38.00 | 58.67 | 76.10 | 78.33 | 87.87 | 83.35 | 70.95 | j | 60.81 | 45.57 | 35.55 | 55.85 | a | |||||||||||
1942 | 32.97 | 30.11 | 45.00 | 64.90 | 64.19 | 74.43 | 82.32 | 81.74 | 67.72 | a | 61.45 | ----- | z | ----- | z | 60.48 | b | |||||||||
1943 | 12.55 | 29.07 | 33.35 | 61.03 | 66.52 | 76.03 | 86.77 | 83.29 | 71.20 | 63.77 | 37.70 | 36.42 | 54.81 | |||||||||||||
1944 | 38.32 | 28.79 | 32.03 | 52.37 | 71.03 | 77.30 | 82.52 | 81.29 | 71.37 | 65.13 | 40.77 | 30.94 | 55.99 | |||||||||||||
1945 | 23.32 | 22.57 | 50.94 | 54.07 | 65.29 | 70.90 | 82.32 | 82.70 | a | 70.97 | 62.29 | 38.20 | 19.58 | 53.60 | ||||||||||||
1946 | 25.47 | a | 27.14 | 47.58 | 64.50 | 67.55 | 80.10 | 83.61 | 81.45 | 70.97 | 57.48 | 41.20 | 26.39 | 56.12 | ||||||||||||
1947 | 33.84 | 23.68 | 37.03 | 50.37 | 65.86 | b | 74.40 | 85.58 | 90.68 | c | 75.60 | 68.55 | 33.33 | 25.61 | 55.38 | |||||||||||
1948 | 19.29 | 22.66 | 32.81 | 60.67 | 71.58 | 78.10 | 85.45 | 83.97 | 79.80 | 62.81 | 40.07 | 28.81 | 55.50 | |||||||||||||
1949 | 18.29 | 22.74 | a | 38.16 | 62.87 | 76.16 | 82.83 | 86.35 | 88.77 | 72.13 | 61.55 | 48.63 | 26.61 | 57.09 | ||||||||||||
1950 | 11.17 | a | 26.07 | 34.40 | a | 43.77 | 65.63 | a | 83.07 | a | 80.71 | 79.40 | a | 75.10 | 64.00 | 35.19 | c | 20.81 | 51.61 | |||||||
1951 | 18.87 | a | 27.52 | c | 28.29 | c | 50.87 | 73.58 | 73.80 | 82.45 | 78.13 | 67.17 | 57.58 | 35.48 | a | 22.10 | b | 51.32 | ||||||||
1952 | 21.18 | c | 29.93 | 28.83 | a | 60.20 | 70.68 | 81.23 | 86.29 | 84.87 | 80.07 | 60.19 | 45.62 | a | 28.55 | 56.47 | ||||||||||
1953 | 23.61 | 27.46 | 39.48 | 50.20 | 68.06 | 77.97 | 82.52 | 83.55 | 75.70 | 71.17 | b | 48.40 | 29.58 | 56.48 | ||||||||||||
1954 | 15.57 | a | 39.93 | a | 35.72 | b | 57.00 | 63.42 | 76.53 | 84.77 | 82.87 | 69.30 | 56.39 | 49.97 | a | 32.13 | 55.30 | |||||||||
1955 | 24.55 | 20.93 | 36.37 | a | 68.24 | a | 77.00 | 76.83 | 87.94 | 86.19 | 75.50 | 65.53 | a | 31.59 | a | 18.39 | 55.75 | |||||||||
1956 | 20.65 | 22.90 | 35.16 | 49.93 | 68.87 | 82.50 | 79.45 | 80.97 | 73.20 | 70.68 | 41.24 | a | 34.48 | 55.00 | ||||||||||||
1957 | 18.83 | a | 29.79 | 41.13 | 57.53 | 66.81 | 76.00 | 87.58 | 80.57 | a | 69.67 | 57.48 | 40.93 | 36.79 | b | 55.26 | ||||||||||
1958 | 30.90 | 25.43 | 38.19 | 58.97 | 77.93 | b | 73.60 | 83.00 | a | 90.81 | 78.50 | b | 66.10 | 41.85 | d | 25.68 | 57.58 | |||||||||
1959 | 17.94 | 24.29 | 45.35 | 60.57 | 71.29 | 84.23 | 88.19 | 89.42 | 75.48 | c | 53.29 | 33.40 | 36.81 | 56.69 | ||||||||||||
1960 | 22.77 | 24.07 | 29.52 | 54.83 | a | 71.06 | 76.00 | 87.45 | 84.42 | 75.50 | 63.52 | 44.07 | 26.29 | 54.96 | ||||||||||||
1961 | 25.13 | a | 34.14 | 46.26 | 52.69 | a | 67.13 | 84.83 | 83.03 | 88.65 | 71.10 | 63.00 | 43.90 | 20.77 | 56.72 | |||||||||||
1962 | 20.90 | 20.79 | 31.68 | 55.40 | 69.23 | 76.77 | 78.81 | 85.00 | 70.90 | 65.03 | 46.87 | 31.90 | 54.44 | |||||||||||||
1963 | 17.00 | 29.18 | 47.71 | 60.07 | 68.29 | 81.00 | 84.26 | 81.90 | 74.62 | a | 71.71 | 47.40 | 20.26 | 56.95 | ||||||||||||
1964 | 31.35 | 35.00 | a | 35.06 | 58.73 | 75.03 | 81.73 | 88.71 | 80.65 | 69.90 | 64.03 | 42.40 | 18.13 | a | 56.73 | |||||||||||
1965 | 16.29 | 25.50 | 28.29 | 53.33 | ----- | z | 77.70 | 82.03 | 82.77 | 59.53 | 64.45 | 42.87 | 42.83 | y | 53.28 | b | ||||||||||
1966 | 8.40 | f | 22.71 | 32.17 | y | 51.95 | i | 67.55 | 79.20 | 90.55 | 79.58 | 73.30 | 62.45 | 36.50 | 26.29 | 59.79 | c | |||||||||
1967 | 24.29 | 21.81 | a | 43.27 | a | 55.87 | 65.77 | 76.47 | 83.39 | 81.19 | 76.07 | a | 60.19 | 41.83 | 30.42 | 55.05 | ||||||||||
1968 | 23.81 | 22.83 | 55.47 | a | 60.14 | a | 65.52 | 78.10 | 85.67 | a | 84.90 | 73.13 | 60.23 | 41.43 | 20.74 | 56.00 | ||||||||||
1969 | 12.53 | a | 23.29 | 30.65 | 57.37 | 71.74 | 71.31 | d | 82.87 | 90.06 | 78.25 | b | 53.45 | 43.20 | 27.65 | 53.53 | ||||||||||
1970 | 13.58 | 29.18 | 33.68 | 53.90 | 71.10 | 81.90 | 88.45 | 84.68 | 75.93 | 59.74 | 36.13 | 25.52 | 54.48 | |||||||||||||
1971 | 14.71 | 26.71 | 40.23 | 61.67 | 70.32 | 79.90 | 81.03 | 86.29 | 74.20 | 61.52 | 39.80 | 23.81 | 55.02 | |||||||||||||
1972 | 17.90 | 19.97 | 35.84 | 51.70 | 70.53 | a | 80.43 | 82.19 | 83.32 | 74.17 | 57.68 | 37.33 | 18.16 | 52.44 | ||||||||||||
1973 | 26.06 | 31.71 | 46.65 | 56.90 | 69.77 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 46.22 | g | |||||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 22.20 | 26.19 | 39.33 | 57.51 | 70.23 | 78.93 | 85.48 | 84.08 | 74.36 | 61.95 | 41.63 | 27.30 | 55.57 | |||||||||||||
S.D. | 7.47 | 6.40 | 7.01 | 5.27 | 4.48 | 4.32 | 4.14 | 3.65 | 4.49 | 4.98 | 5.64 | 6.20 | 2.19 | |||||||||||||
SKEW | 0.26 | -0.11 | 0.24 | -0.05 | 0.39 | 0.62 | 0.54 | 0.15 | -0.14 | -0.04 | -0.38 | -0.01 | 0.93 | |||||||||||||
MAX | 38.90 | 43.59 | 58.23 | 69.46 | 85.03 | 93.21 | 98.61 | 91.59 | 85.72 | 71.73 | 52.53 | 41.35 | 63.56 | |||||||||||||
MIN | 7.40 | 3.28 | 24.35 | 43.77 | 58.76 | 70.90 | 77.52 | 76.00 | 59.53 | 48.84 | 22.86 | 13.89 | 51.32 | |||||||||||||
YRS | 70 | 73 | 74 | 76 | 73 | 76 | 75 | 77 | 71 | 72 | 69 | 69 | 49 |