YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1894 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
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 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1906 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1907 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1908 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1909 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1910 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 77.73 | 64.13 | 54.07 | a | 38.48 | 58.60 | h | |||
1911 | 38.45 | 36.15 | a | 51.13 | h | ----- | z | 72.05 | k | 80.11 | b | 87.38 | e | 90.04 | e | 75.83 | a | 62.71 | x | 41.56 | c | 30.29 | g | 64.22 | e | |
1912 | 31.60 | f | 32.81 | c | 39.78 | h | 55.88 | f | 68.39 | m | ----- | z | 76.13 | a | ----- | z | 62.62 | a | 63.31 | b | 50.73 | d | 33.92 | f | 57.12 | g |
1913 | 32.73 | e | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 32.73 | k |
1914 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1915 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1916 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1917 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1918 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1919 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1920 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1921 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1922 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1923 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1924 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1925 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1926 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1927 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1928 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1929 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1930 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1931 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1932 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1933 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1934 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1935 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1936 | ----- | z | ----- | z | ----- | z | ----- | z | 75.97 | 85.80 | 89.68 | 86.90 | 76.43 | 62.65 | 51.29 | b | 37.34 | b | 70.76 | d | ||||||
1937 | 24.37 | a | ----- | z | 46.29 | 55.80 | 72.29 | 77.90 | 86.26 | 88.74 | 79.20 | 65.72 | b | 47.97 | a | 38.77 | 62.12 | a | ||||||||
1938 | 38.29 | 41.46 | 45.35 | 59.34 | a | 64.48 | 78.90 | 84.42 | 83.55 | 75.93 | 64.61 | 36.73 | 34.67 | a | 58.98 | |||||||||||
1939 | 32.87 | 26.71 | 45.55 | 60.77 | 71.46 | c | 78.13 | 88.77 | 84.84 | 74.50 | 62.10 | 55.80 | 44.84 | 60.53 | ||||||||||||
1940 | 32.29 | 39.03 | 49.45 | 57.43 | 72.03 | 82.20 | 88.06 | 86.03 | 75.27 | 63.13 | 38.43 | 37.19 | 60.05 | |||||||||||||
1941 | 34.71 | 39.89 | 46.16 | 52.47 | 69.87 | 74.73 | 84.94 | 82.13 | 69.40 | 58.06 | 50.27 | 39.19 | 58.49 | |||||||||||||
1942 | 31.61 | 33.38 | d | 40.68 | 59.39 | b | 64.13 | 77.03 | 86.10 | 84.39 | 75.67 | 62.71 | 49.37 | 37.68 | 58.51 | |||||||||||
1943 | 37.06 | 41.89 | 44.87 | a | 65.50 | 63.32 | 73.43 | 86.42 | 82.84 | 78.93 | 64.29 | 50.13 | 37.00 | 60.47 | ||||||||||||
1944 | 31.26 | 37.90 | 42.00 | 53.73 | 66.23 | 74.07 | 85.63 | a | 84.87 | 78.63 | 67.68 | 46.80 | 36.23 | 58.75 | ||||||||||||
1945 | 36.26 | 38.57 | 43.94 | 51.17 | 69.19 | 71.20 | 86.00 | 83.17 | a | 72.86 | a | 66.03 | 44.40 | 32.10 | 57.91 | |||||||||||
1946 | 34.65 | 40.32 | 51.74 | 64.30 | 65.17 | a | 81.50 | 88.23 | 83.52 | 76.43 | 54.93 | a | 43.83 | 40.26 | 60.41 | |||||||||||
1947 | 32.42 | 39.86 | 45.68 | 54.80 | 70.77 | 71.97 | 86.29 | 83.45 | 78.13 | 65.26 | 38.83 | 33.19 | 58.39 | |||||||||||||
1948 | 31.97 | 36.07 | 40.16 | 58.80 | 73.17 | a | 79.70 | 86.68 | 83.94 | 79.20 | 65.55 | 40.80 | 33.45 | 59.12 | ||||||||||||
1949 | 22.29 | 31.82 | 46.19 | 62.27 | 68.23 | 74.60 | 85.55 | 86.39 | 78.03 | a | 57.87 | 58.50 | 37.31 | b | 59.09 | |||||||||||
1950 | 33.10 | 41.75 | 45.97 | 58.30 | 62.36 | c | 80.93 | c | 83.16 | 83.74 | 73.67 | 71.48 | 50.17 | 41.73 | a | 60.53 | ||||||||||
1951 | 31.81 | 39.07 | 44.23 | 57.10 | 69.07 | a | 73.80 | 87.84 | 82.32 | 76.50 | 58.90 | 46.17 | 33.74 | 58.38 | ||||||||||||
1952 | 26.87 | 30.04 | b | 36.28 | b | 56.40 | 70.67 | j | 79.03 | 84.65 | 81.90 | b | 79.30 | 70.48 | 42.63 | 34.71 | 56.57 | a | ||||||||
1953 | 38.00 | e | 37.25 | 48.26 | 53.76 | a | 61.42 | 79.28 | e | 86.71 | 81.39 | 79.17 | 63.84 | 50.10 | 33.29 | 59.37 | ||||||||||
1954 | 39.65 | 45.61 | 43.39 | 63.20 | 71.48 | 77.70 | 87.58 | 83.45 | 74.69 | a | 64.55 | 55.89 | b | 35.77 | e | 61.91 | ||||||||||
1955 | 30.26 | 30.79 | 39.58 | 54.87 | 68.14 | j | 78.00 | e | 87.21 | b | 84.63 | a | 77.70 | 64.50 | a | 40.69 | a | 40.87 | h | 58.82 | b | |||||
1956 | 39.40 | f | 29.83 | 43.55 | 57.30 | 70.93 | a | 83.46 | f | 84.13 | 81.29 | 80.50 | 65.90 | a | 38.80 | 33.37 | d | 58.56 | b | |||||||
1957 | 26.89 | d | 38.54 | 43.68 | 53.40 | 62.29 | 74.34 | a | 82.29 | 81.39 | 73.83 | 62.06 | 41.07 | 39.47 | a | 56.60 | ||||||||||
1958 | 34.29 | 42.82 | 44.39 | 55.40 | 74.48 | 81.07 | 83.87 | 86.19 | 75.03 | 66.48 | 48.50 | 41.45 | 61.17 | |||||||||||||
1959 | 35.06 | 39.29 | 43.77 | a | 57.30 | 67.58 | 81.53 | 86.03 | 81.77 | 70.93 | a | 58.29 | 48.10 | 42.35 | 59.33 | |||||||||||
1960 | 32.32 | 29.79 | 45.48 | 60.07 | 67.32 | 80.00 | 87.03 | 83.87 | 77.87 | 62.52 | 47.10 | 34.90 | 59.02 | |||||||||||||
1961 | 37.19 | 40.64 | 45.74 | 53.37 | 68.26 | 81.67 | 84.87 | 83.16 | 63.87 | 58.90 | 42.93 | 30.61 | 57.60 | |||||||||||||
1962 | 25.61 | 36.50 | 38.48 | 60.67 | 68.06 | 77.13 | 83.23 | 82.81 | 74.27 | d | 64.97 | 52.97 | 39.26 | 58.66 | ||||||||||||
1963 | 26.23 | a | 45.25 | 45.58 | 54.80 | 72.06 | 77.23 | 87.74 | 80.58 | 78.03 | 68.42 | 49.53 | 34.52 | 60.00 | ||||||||||||
1964 | 27.55 | 27.90 | 34.90 | 52.67 | 66.87 | 74.13 | 87.74 | 79.81 | 73.77 | ----- | z | 41.93 | 30.45 | 54.34 | a | |||||||||||
1965 | 32.32 | 32.29 | 33.81 | 55.03 | 63.42 | 73.33 | 81.68 | 79.90 | ----- | z | 68.19 | 51.33 | 35.97 | 55.21 | a | |||||||||||
1966 | 31.16 | 33.43 | 48.32 | 57.67 | 71.23 | 77.57 | 86.90 | 82.42 | 75.93 | 61.52 | 51.60 | 30.77 | 59.04 | |||||||||||||
1967 | 33.68 | 35.11 | 49.42 | 56.83 | 63.19 | 71.73 | 83.00 | 82.61 | 74.57 | 62.87 | 49.07 | 26.13 | 57.35 | |||||||||||||
1968 | 26.77 | 33.69 | 42.84 | 49.33 | 62.65 | 77.47 | 83.90 | 76.71 | 70.97 | 61.71 | 40.00 | 31.13 | 54.76 | |||||||||||||
1969 | 36.84 | 35.64 | 38.16 | 58.80 | 72.97 | 70.63 | 83.71 | 84.19 | 75.53 | 50.58 | 44.87 | 36.29 | 57.35 | |||||||||||||
1970 | 32.23 | 40.00 | 40.81 | 48.60 | 68.23 | 74.23 | 83.29 | 84.39 | 70.10 | 53.45 | 44.63 | 34.61 | 56.21 | |||||||||||||
1971 | 32.61 | 32.71 | 41.84 | 57.33 | 63.68 | 77.90 | 83.77 | 84.19 | 68.40 | 58.10 | 43.17 | 27.42 | 55.93 | |||||||||||||
1972 | 32.65 | 39.62 | 53.29 | 58.07 | 67.42 | 77.73 | 84.06 | 81.77 | 71.77 | 58.16 | 38.73 | 26.97 | 57.52 | |||||||||||||
1973 | 22.71 | 29.36 | 40.71 | 49.50 | 66.00 | ----- | z | 81.65 | 83.39 | 70.60 | 64.32 | 38.70 | 31.03 | 52.54 | a | |||||||||||
1974 | 24.19 | 27.43 | 47.29 | 53.20 | 71.00 | 79.00 | 82.84 | 81.55 | 74.07 | 63.74 | 46.47 | 30.23 | 56.75 | |||||||||||||
1975 | 27.48 | 31.96 | 41.90 | 50.13 | 61.81 | 72.53 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 47.64 | f | ||||||
1976 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 79.67 | 90.65 | 84.97 | 76.70 | 60.32 | ----- | z | ----- | z | 78.46 | g | |||||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 31.72 | 36.05 | 43.84 | 56.38 | 67.90 | 77.22 | 85.38 | 83.39 | 74.82 | 62.74 | 46.30 | 35.23 | 58.65 | |||||||||||||
S.D. | 4.53 | 4.98 | 4.23 | 4.06 | 3.95 | 3.50 | 2.61 | 2.38 | 3.96 | 4.32 | 5.48 | 4.33 | 1.62 | |||||||||||||
SKEW | -0.36 | -0.09 | -0.26 | 0.12 | 0.03 | -0.00 | -0.86 | 0.21 | -1.21 | -0.59 | 0.15 | -0.06 | -0.28 | |||||||||||||
MAX | 39.65 | 45.61 | 53.29 | 65.50 | 75.97 | 85.80 | 90.65 | 90.04 | 80.50 | 71.48 | 58.50 | 44.84 | 61.91 | |||||||||||||
MIN | 22.29 | 26.71 | 33.81 | 48.60 | 61.42 | 70.63 | 76.13 | 76.71 | 62.62 | 50.58 | 36.73 | 26.13 | 54.76 | |||||||||||||
YRS | 40 | 40 | 39 | 39 | 38 | 40 | 42 | 41 | 42 | 41 | 42 | 39 | 31 |