YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1893 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1894 | 17.33 | d | 22.68 | c | 45.71 | c | 56.14 | a | 69.79 | b | 82.07 | 87.35 | 84.26 | 74.00 | a | 58.97 | b | 38.92 | e | 33.86 | b | 55.92 | ||||
1895 | 15.63 | d | 21.25 | 41.63 | d | 64.97 | 68.57 | c | 75.31 | a | 82.10 | 82.69 | b | 75.07 | b | 56.29 | c | 39.67 | c | 29.30 | d | 54.37 | ||||
1896 | 29.00 | d | 33.93 | b | 32.83 | g | 58.22 | c | 70.26 | 75.72 | a | 80.35 | 80.90 | 65.07 | 54.24 | b | 27.62 | f | 31.08 | e | 57.88 | b | ||||
1897 | 17.88 | f | 24.15 | b | 30.40 | a | 52.96 | c | 66.27 | a | 73.97 | 81.42 | 73.68 | 81.25 | b | 62.34 | b | 39.96 | c | 22.70 | d | 55.37 | a | |||
1898 | 29.29 | 28.35 | b | 42.04 | c | 56.28 | a | 64.52 | b | 76.55 | a | 80.94 | 78.19 | 73.37 | 52.24 | b | 36.62 | a | 21.88 | e | 53.35 | |||||
1899 | 25.92 | e | 14.20 | c | 22.08 | g | 55.46 | b | 64.33 | a | 74.18 | b | 79.23 | 79.03 | 69.90 | 62.90 | b | 51.07 | 30.04 | d | 55.11 | a | ||||
1900 | 32.07 | a | 19.69 | b | 37.26 | 60.38 | a | 72.90 | a | 77.80 | 78.45 | 83.29 | 69.55 | a | 67.00 | 36.40 | 31.04 | c | 55.49 | |||||||
1901 | 28.84 | 25.64 | 39.42 | 55.63 | 69.37 | a | 77.63 | 89.68 | 81.71 | 67.70 | 61.90 | 42.50 | 23.64 | f | 58.18 | a | ||||||||||
1902 | 28.45 | 23.33 | a | 42.90 | 55.00 | 68.71 | 71.80 | 79.61 | 74.19 | 64.70 | 61.07 | a | 43.30 | 22.97 | a | 53.00 | ||||||||||
1903 | 26.87 | 25.23 | b | 39.93 | d | 54.10 | 65.06 | 72.07 | 77.61 | 73.39 | 67.50 | 60.32 | 39.77 | 25.45 | 52.27 | |||||||||||
1904 | 17.03 | 19.14 | 39.13 | 50.90 | 68.68 | 74.67 | 79.81 | 78.55 | 73.66 | a | 60.52 | 58.00 | 35.26 | 54.61 | ||||||||||||
1905 | 25.33 | a | 22.75 | 48.69 | b | 56.07 | a | 65.73 | a | 75.43 | 78.90 | 82.97 | 75.43 | ----- | z | 43.31 | a | 35.40 | a | 55.46 | a | |||||
1906 | 31.82 | c | 32.38 | b | 30.48 | d | 58.53 | 68.38 | b | 72.83 | 78.00 | 79.19 | 72.60 | 56.52 | 39.55 | a | 30.62 | b | 54.24 | |||||||
1907 | 18.66 | b | 29.50 | b | 42.03 | 45.41 | a | 57.57 | a | 72.83 | 79.26 | 79.81 | 70.03 | 57.58 | 42.17 | 33.27 | a | 52.34 | ||||||||
1908 | 29.47 | a | 27.27 | c | 40.63 | a | 58.25 | b | 65.37 | a | 71.17 | 78.87 | 76.42 | 79.00 | b | 55.48 | 43.60 | 32.30 | d | 54.82 | ||||||
1909 | 24.18 | c | 26.71 | 37.03 | 47.77 | 66.57 | a | 75.66 | a | 77.68 | 81.39 | 69.43 | 57.58 | 43.32 | b | 18.52 | b | 52.15 | ||||||||
1910 | 22.26 | 21.04 | a | 57.77 | a | 63.07 | b | 62.53 | a | 79.07 | 86.58 | 84.35 | 76.41 | a | 65.83 | a | 38.72 | a | 29.52 | b | 57.26 | |||||
1911 | 24.56 | d | 29.38 | b | 50.24 | b | 55.69 | a | 75.81 | 89.20 | 87.90 | 78.48 | 70.61 | b | 50.90 | 33.15 | c | 27.71 | 56.14 | |||||||
1912 | 8.30 | a | 23.70 | b | 31.63 | a | 57.03 | a | 67.32 | 73.00 | 79.16 | 76.68 | 66.75 | b | 59.06 | 45.97 | a | 33.36 | c | 51.83 | ||||||
1913 | 25.33 | d | 24.54 | b | 37.74 | d | 55.96 | b | 62.13 | 76.87 | 79.81 | 81.10 | 69.11 | b | 53.03 | b | 44.41 | c | 36.86 | c | 53.91 | |||||
1914 | 30.11 | c | 20.48 | e | 37.59 | b | 52.75 | b | 66.87 | a | 74.55 | a | 82.48 | 77.80 | a | 69.71 | b | 62.17 | a | 45.31 | a | 17.14 | c | 53.08 | ||
1915 | 20.24 | b | 27.52 | c | 29.40 | a | 61.93 | 59.30 | a | 68.66 | a | 72.55 | 72.25 | c | 66.24 | a | 59.33 | a | 40.40 | 27.14 | b | 50.41 | ||||
1916 | 15.81 | e | 18.00 | 35.00 | b | 48.53 | 65.52 | b | 68.40 | 84.10 | a | 79.32 | 67.53 | 53.23 | 40.50 | b | 21.89 | d | 49.82 | |||||||
1917 | 16.34 | b | 17.12 | c | 32.13 | 46.37 | 61.50 | a | 69.83 | 79.68 | 76.87 | 66.93 | a | 46.90 | a | 46.77 | d | 14.69 | e | 47.93 | ||||||
1918 | 10.44 | d | 31.00 | e | 48.45 | b | 52.83 | 71.68 | 77.47 | 80.58 | 81.45 | 67.20 | 63.40 | a | 45.43 | b | 35.66 | b | 55.47 | |||||||
1919 | 35.34 | b | 26.21 | d | 41.93 | b | 54.93 | 68.03 | 76.27 | 86.52 | 84.26 | 76.73 | 54.43 | a | 42.65 | d | 22.13 | 55.79 | ||||||||
1920 | 22.19 | 29.14 | 44.10 | a | 48.97 | 70.52 | 79.38 | a | 83.16 | 81.13 | 77.07 | 68.97 | 41.23 | 29.74 | 56.30 | |||||||||||
1921 | 33.00 | 38.89 | a | 49.84 | 62.80 | 71.74 | 85.57 | 88.32 | 81.53 | a | 76.07 | 64.84 | 36.90 | 34.27 | a | 60.31 | ||||||||||
1922 | 26.13 | a | 25.00 | 43.68 | 58.73 | 71.84 | 83.37 | 81.63 | a | 86.43 | a | 80.50 | 68.61 | 46.17 | 28.61 | 58.39 | ||||||||||
1923 | 31.42 | 27.79 | 36.58 | 59.47 | 70.74 | 79.70 | 87.71 | 81.13 | 75.63 | 59.68 | 49.97 | 42.00 | 58.48 | |||||||||||||
1924 | 22.35 | 34.00 | 37.55 | 60.97 | 64.70 | a | 76.40 | 81.06 | 82.58 | 69.27 | 70.16 | 47.07 | 19.87 | 55.50 | ||||||||||||
1925 | 23.42 | 32.79 | 50.42 | 68.13 | 72.23 | 79.00 | 85.29 | 86.42 | 79.41 | a | 46.94 | 40.37 | 24.71 | 57.43 | ||||||||||||
1926 | 26.55 | 33.93 | 38.13 | 58.60 | 76.16 | 78.60 | 85.58 | 81.94 | 67.30 | 58.61 | 37.34 | a | 26.26 | 55.75 | ||||||||||||
1927 | 28.19 | 35.11 | 44.50 | a | 56.43 | 66.26 | 76.70 | 83.55 | 79.83 | a | 74.80 | 68.30 | a | 40.67 | 20.84 | 56.26 | ||||||||||
1928 | 31.00 | 33.34 | 46.58 | 52.13 | 75.13 | 74.63 | 84.35 | 83.26 | 73.00 | 62.87 | 44.97 | 37.26 | 58.21 | |||||||||||||
1929 | 15.74 | 20.57 | 45.00 | 59.60 | 68.74 | 77.40 | 84.29 | 83.70 | a | 68.83 | a | 60.87 | 38.23 | 29.87 | 54.40 | |||||||||||
1930 | 16.45 | 40.00 | a | 46.23 | 63.23 | 68.35 | 78.38 | a | 88.90 | a | 85.32 | 74.37 | 58.35 | 48.80 | 34.81 | 58.60 | ||||||||||
1931 | 39.87 | 44.37 | a | 43.74 | 63.47 | 68.80 | a | 85.20 | 87.03 | 83.39 | 83.03 | 64.94 | 48.30 | 36.81 | 62.41 | |||||||||||
1932 | 24.06 | 32.21 | 32.48 | 58.23 | 71.94 | 79.93 | 85.87 | 81.52 | 73.47 | 58.77 | 39.41 | a | 27.32 | 55.44 | ||||||||||||
1933 | 38.52 | 26.29 | 40.97 | 58.20 | 68.52 | 89.07 | 86.65 | 80.81 | 78.34 | a | 58.35 | 42.47 | 28.03 | 58.02 | ||||||||||||
1934 | 28.16 | 30.93 | 42.81 | 58.13 | 83.81 | 83.90 | 85.45 | 78.61 | 67.47 | 68.26 | 48.50 | 27.07 | a | 58.59 | ||||||||||||
1935 | 23.61 | 35.39 | 46.87 | 53.47 | 62.90 | a | 74.03 | 89.84 | 84.77 | 77.33 | 57.45 | 35.23 | 26.71 | 55.63 | ||||||||||||
1936 | 13.03 | 8.10 | 42.03 | 54.27 | 74.81 | 79.10 | 96.61 | 87.83 | b | 77.17 | 58.68 | 40.79 | a | 30.87 | 55.27 | |||||||||||
1937 | 14.10 | 23.96 | a | 37.16 | 52.20 | 72.81 | 77.60 | 88.32 | 88.29 | 75.97 | 57.00 | a | 41.63 | 25.81 | 54.57 | |||||||||||
1938 | 23.23 | 27.11 | 47.87 | 58.37 | 65.68 | 79.62 | a | 86.35 | 87.84 | 77.07 | 69.81 | 41.40 | 31.45 | 57.98 | ||||||||||||
1939 | 31.81 | 23.46 | 44.16 | 57.63 | 80.48 | 81.07 | 86.90 | 82.10 | 80.30 | 60.84 | 51.37 | 40.65 | 60.06 | |||||||||||||
1940 | 16.23 | a | 28.48 | 33.77 | 53.81 | c | 69.81 | 80.87 | 88.61 | 79.32 | 77.97 | a | 67.19 | 36.50 | d | 31.55 | b | 55.34 | ||||||||
1941 | 27.30 | d | 26.15 | b | 37.45 | b | 58.83 | a | 77.03 | 78.83 | a | 85.68 | 85.37 | a | 74.10 | a | 61.77 | a | 44.89 | b | 37.88 | f | 59.76 | a | ||
1942 | 27.80 | a | 29.04 | b | 41.73 | a | 64.43 | 66.97 | b | 75.97 | 82.00 | 80.13 | 65.31 | a | 60.13 | 44.03 | a | 26.36 | c | 55.32 | ||||||
1943 | 17.67 | d | 33.28 | c | 37.07 | b | 57.53 | 65.45 | 77.59 | a | 84.71 | 80.45 | 67.70 | 61.32 | c | 37.43 | b | 35.30 | d | 54.62 | ||||||
1944 | 37.97 | a | 31.52 | b | 32.13 | 50.21 | a | 72.93 | a | 79.28 | a | 81.42 | 78.03 | 70.10 | a | 62.00 | 42.35 | d | 27.88 | e | 55.48 | |||||
1945 | 24.79 | b | 30.46 | b | 49.57 | a | 54.07 | a | 62.20 | a | 70.38 | a | 80.39 | 80.17 | a | 70.21 | b | 61.35 | 40.15 | d | 20.58 | e | 53.69 | |||
1946 | 27.00 | b | 29.78 | a | 53.30 | d | 63.07 | 65.27 | a | 78.36 | b | 82.74 | 78.84 | 69.52 | c | 59.29 | 40.07 | a | 34.56 | d | 56.81 | |||||
1947 | 31.11 | c | 22.77 | b | 35.48 | b | 50.00 | a | 64.19 | 71.72 | a | 83.39 | 88.48 | 74.28 | a | 67.57 | a | 34.48 | c | 26.76 | b | 54.19 | ||||
1948 | 23.85 | d | 26.04 | c | 36.43 | a | 61.50 | 67.68 | 74.79 | a | 83.87 | 82.32 | 77.80 | 59.81 | 39.93 | b | 26.45 | b | 55.04 | |||||||
1949 | 18.90 | 21.82 | 34.94 | 56.07 | 71.35 | 80.33 | 86.13 | 83.77 | 67.93 | 60.52 | 47.77 | 30.13 | 54.97 | |||||||||||||
1950 | 16.58 | 26.64 | 31.77 | 45.40 | 64.39 | 78.07 | a | 77.97 | 76.68 | 72.33 | 62.71 | 38.30 | 22.58 | 51.12 | ||||||||||||
1951 | 20.52 | 28.86 | 25.65 | 45.40 | 69.26 | 71.10 | 78.87 | 77.19 | 63.83 | 56.90 | 35.47 | 22.77 | 49.65 | |||||||||||||
1952 | 21.16 | 31.43 | a | 30.81 | 57.10 | 67.42 | 80.20 | 83.26 | 79.00 | 73.53 | 57.90 | 45.50 | 28.26 | 54.63 | ||||||||||||
1953 | 23.45 | 27.79 | 38.71 | 47.43 | 66.39 | 78.43 | 80.97 | 80.97 | 72.23 | 66.94 | 46.37 | 28.29 | 54.83 | |||||||||||||
1954 | 19.20 | a | 39.64 | 33.39 | 57.67 | 63.00 | 79.13 | 84.81 | 79.06 | 70.43 | 53.71 | 48.17 | 29.60 | a | 54.82 | |||||||||||
1955 | 24.03 | 21.46 | 36.23 | 65.90 | 74.90 | 75.27 | 89.03 | 88.68 | 74.27 | 61.26 | 34.13 | 20.21 | c | 55.45 | ||||||||||||
1956 | 19.42 | 22.21 | 33.74 | 51.90 | 69.03 | 84.47 | 79.35 | 80.58 | 71.37 | 68.00 | a | 38.17 | 30.10 | a | 54.03 | |||||||||||
1957 | 16.90 | 30.15 | a | 37.81 | 55.00 | 64.84 | 76.33 | 86.74 | 77.81 | 66.70 | 54.58 | 38.90 | 35.74 | 53.46 | ||||||||||||
1958 | 30.39 | 25.00 | 37.45 | 56.50 | 73.55 | 72.70 | 78.94 | 84.90 | 75.73 | 63.39 | 46.03 | 25.74 | 55.86 | |||||||||||||
1959 | 19.42 | 22.46 | 40.74 | 56.93 | 68.97 | 81.77 | 83.61 | 84.58 | 70.50 | 50.90 | 31.87 | 35.16 | 53.91 | |||||||||||||
1960 | 21.81 | 23.69 | 24.42 | 55.27 | 66.74 | 75.00 | 82.65 | 80.65 | 71.80 | 61.00 | 45.83 | 26.68 | 52.96 | |||||||||||||
1961 | 22.55 | 29.64 | 39.84 | 49.17 | 64.16 | 78.43 | 81.35 | 81.71 | 68.77 | 59.90 | 40.97 | 23.90 | 53.37 | |||||||||||||
1962 | 18.68 | 23.64 | 29.45 | 52.10 | 72.03 | 76.07 | 78.32 | 80.90 | 68.17 | a | 62.32 | 45.90 | 30.52 | 53.18 | ||||||||||||
1963 | 12.10 | 24.93 | 44.35 | 59.10 | 67.81 | 81.40 | 81.71 | 79.68 | 72.00 | 70.71 | 48.60 | 20.35 | 55.23 | |||||||||||||
1964 | 30.94 | 35.03 | 34.74 | 55.43 | 73.00 | 79.43 | 86.39 | 77.71 | 68.17 | 59.58 | 43.87 | 21.52 | 55.48 | |||||||||||||
1965 | 20.58 | 21.25 | 25.61 | 49.73 | 70.55 | 77.23 | 82.29 | 79.61 | 60.17 | 61.84 | 42.43 | 34.55 | 52.15 | |||||||||||||
1966 | 12.74 | 23.64 | 45.19 | 49.43 | 66.39 | 78.47 | 86.81 | 77.90 | a | 70.07 | 58.55 | 39.27 | 25.68 | 52.84 | ||||||||||||
1967 | 25.84 | 22.04 | 43.29 | 55.23 | 64.71 | 74.83 | 81.13 | 80.35 | 70.73 | 57.94 | 41.40 | 29.03 | 53.88 | |||||||||||||
1968 | 21.97 | 25.10 | 49.74 | 57.70 | 64.68 | 78.80 | 81.68 | 79.74 | 68.17 | 58.48 | 40.10 | 23.29 | 54.12 | |||||||||||||
1969 | 15.58 | 24.82 | 27.84 | 55.97 | 69.84 | 71.53 | 82.13 | 82.16 | 71.57 | 52.10 | 41.17 | 27.26 | 51.83 | |||||||||||||
1970 | 13.84 | 26.96 | 31.52 | 53.73 | 70.26 | 80.67 | 83.29 | 79.16 | 69.73 | 55.35 | 37.80 | 25.84 | 52.35 | |||||||||||||
1971 | 17.39 | 25.43 | 36.06 | 59.53 | 68.48 | 81.87 | 80.03 | 83.68 | 72.13 | 61.87 | ----- | z | ----- | z | 58.65 | b | ||||||||||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 23.37 | 26.91 | 39.34 | 55.89 | 68.49 | 77.32 | 83.15 | 81.03 | 71.91 | 60.16 | 42.11 | 28.39 | 54.82 | |||||||||||||
S.D. | 6.79 | 5.95 | 6.89 | 4.97 | 4.52 | 4.21 | 3.89 | 3.47 | 4.55 | 5.17 | 4.70 | 5.60 | 2.52 | |||||||||||||
SKEW | 0.16 | 0.14 | 0.10 | -0.08 | 0.58 | 0.35 | 0.39 | 0.06 | 0.18 | -0.14 | 0.46 | 0.01 | 0.18 | |||||||||||||
MAX | 39.87 | 44.37 | 57.77 | 68.13 | 83.81 | 89.20 | 96.61 | 88.68 | 83.03 | 70.71 | 58.00 | 42.00 | 62.41 | |||||||||||||
MIN | 8.30 | 8.10 | 24.42 | 45.40 | 57.57 | 68.40 | 72.55 | 72.25 | 60.17 | 46.90 | 31.87 | 14.69 | 47.93 | |||||||||||||
YRS | 77 | 78 | 76 | 78 | 78 | 78 | 78 | 78 | 78 | 77 | 76 | 75 | 71 |