YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1894 | ----- | z | ----- | z | ----- | z | ----- | z | 69.00 | 68.30 | 88.16 | 90.71 | 67.79 | b | 56.46 | e | 50.07 | 39.74 | 66.28 | d | ||||||
1895 | 37.35 | 44.54 | 52.06 | 64.20 | 66.13 | 79.93 | a | 82.47 | a | 86.94 | 67.17 | 69.13 | 46.40 | 36.74 | 61.09 | |||||||||||
1896 | 35.65 | 43.66 | 44.97 | 47.30 | 63.06 | m | 75.10 | 88.68 | 80.26 | 72.90 | 62.82 | c | ----- | z | ----- | z | 61.26 | c | ||||||||
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 | 42.13 | 46.37 | a | 47.94 | 57.69 | a | 64.52 | 74.10 | 78.87 | 86.54 | c | 76.77 | 66.07 | a | ----- | z | ----- | z | 64.10 | b | ||||||
1903 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 85.00 | p | 87.93 | a | 94.21 | c | 92.10 | a | 89.42 | l | 71.91 | s | 43.13 | 79.35 | h | |
1904 | ----- | z | 44.03 | 54.79 | c | ----- | z | 73.50 | a | 80.60 | 85.94 | 90.61 | ----- | z | ----- | z | ----- | z | ----- | z | 71.58 | f | ||||
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 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1911 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1912 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1913 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
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 | ----- | z | 68.87 | 73.23 | 76.62 | b | 70.33 | 66.23 | 56.93 | 41.39 | 64.80 | e | ||||||
1937 | 33.28 | b | 41.75 | 47.90 | 53.53 | 68.52 | 74.77 | 82.23 | ----- | z | 75.37 | 68.26 | 53.07 | 48.29 | 58.81 | a | ||||||||||
1938 | 44.74 | 46.96 | 48.97 | 62.63 | 70.29 | 77.80 | 85.90 | 80.23 | 82.29 | i | 63.65 | 47.76 | a | ----- | z | 62.89 | b | |||||||||
1939 | ----- | z | 43.11 | 56.03 | 67.93 | 71.26 | 70.17 | 81.32 | 83.90 | 77.67 | 64.03 | 56.67 | 47.67 | a | 65.43 | a | ||||||||||
1940 | 45.74 | 47.25 | a | 58.32 | 62.90 | 74.77 | 80.10 | 80.39 | 84.90 | 73.27 | 65.97 | a | 48.03 | 46.03 | 63.97 | |||||||||||
1941 | 45.71 | 54.50 | 63.16 | 63.63 | 66.33 | a | 69.10 | 82.65 | 77.84 | 68.23 | 62.65 | 54.68 | b | 44.44 | d | 62.74 | ||||||||||
1942 | 43.77 | a | 47.11 | 54.81 | 63.17 | 64.29 | 69.67 | 82.39 | 83.00 | 79.30 | 66.13 | 48.03 | 42.19 | 61.99 | ||||||||||||
1943 | 43.42 | s | 55.15 | o | 51.29 | 62.10 | a | 64.45 | 69.00 | 85.13 | 80.23 | 83.83 | 61.35 | 52.30 | 43.39 | 65.31 | b | |||||||||
1944 | 41.77 | 45.89 | b | 51.10 | 56.70 | 66.16 | 68.73 | 81.26 | 78.77 | 75.57 | 63.10 | 47.45 | a | 41.81 | 59.86 | |||||||||||
1945 | 44.42 | 45.48 | a | 47.00 | 55.07 | 66.71 | 73.10 | 85.45 | 83.00 | 70.90 | 61.68 | 42.59 | a | 41.50 | a | 59.74 | ||||||||||
1946 | 40.57 | a | 43.04 | 48.90 | a | 59.27 | 69.48 | 69.33 | 80.03 | 82.13 | 70.63 | 52.37 | a | 45.10 | a | 42.84 | 58.64 | |||||||||
1947 | 38.10 | b | 50.36 | 57.07 | a | 62.23 | 73.65 | 68.17 | 75.74 | 75.71 | 72.63 | 56.97 | 47.17 | 42.26 | 60.00 | |||||||||||
1948 | 43.94 | 42.48 | 48.10 | 52.07 | 62.23 | 76.00 | 76.10 | a | 74.07 | a | 70.45 | a | 60.71 | 45.03 | 37.90 | 57.42 | ||||||||||
1949 | 36.35 | 41.89 | 49.61 | 65.93 | a | 70.03 | 74.23 | 78.87 | 79.32 | 75.93 | 57.13 | 56.30 | 41.19 | 60.57 | ||||||||||||
1950 | 33.32 | 41.21 | 45.16 | 57.40 | 65.71 | 71.17 | 82.32 | 84.81 | 77.83 | 56.65 | 48.83 | 47.03 | 59.29 | |||||||||||||
1951 | 38.83 | a | 45.18 | 47.67 | a | 68.52 | a | 67.30 | a | 78.67 | 83.53 | a | 83.23 | e | 79.87 | 58.39 | 49.60 | 39.65 | 61.70 | |||||||
1952 | 37.52 | 43.00 | 47.10 | a | 65.76 | e | 77.62 | w | 67.63 | 85.00 | 82.39 | 81.93 | 77.39 | 52.53 | 40.90 | 61.92 | a | |||||||||
1953 | 45.81 | e | 48.39 | 50.87 | 56.90 | 60.90 | 66.37 | 85.06 | 79.10 | 81.47 | 66.68 | 53.48 | a | 44.68 | 61.64 | |||||||||||
1954 | 41.23 | 49.11 | 52.52 | 59.73 | 67.26 | 65.27 | 76.68 | 73.13 | 71.93 | 62.58 | 55.77 | 43.58 | 59.90 | |||||||||||||
1955 | 42.00 | 45.14 | 45.61 | 50.70 | 62.77 | 72.43 | 73.45 | 82.29 | 74.50 | 62.10 | 44.63 | 41.97 | a | 58.13 | ||||||||||||
1956 | 42.13 | 40.48 | 45.97 | 61.00 | 69.07 | a | 68.90 | 84.35 | 80.19 | 77.57 | 58.97 | 53.53 | 45.68 | 60.65 | ||||||||||||
1957 | 36.52 | 45.79 | 49.77 | 59.37 | 67.74 | 74.20 | 79.19 | 78.03 | 81.03 | 60.81 | 51.50 | 44.74 | 60.72 | |||||||||||||
1958 | 45.10 | 50.39 | 51.81 | 56.17 | 75.97 | 73.73 | 86.48 | 88.26 | 74.30 | 68.61 | 48.37 | 49.55 | 64.06 | |||||||||||||
1959 | 42.94 | 44.71 | 52.71 | 61.93 | 61.29 | 72.20 | 84.19 | 81.74 | 68.43 | 64.35 | 55.80 | 45.35 | 61.31 | |||||||||||||
1960 | 39.06 | 46.38 | 53.39 | 57.17 | 61.10 | 78.23 | 87.81 | 79.10 | 76.87 | 65.32 | 49.77 | 45.90 | 61.67 | |||||||||||||
1961 | 49.61 | 46.82 | 49.74 | 58.63 | 63.61 | 81.72 | a | 85.81 | 88.65 | 71.37 | 61.58 | 50.00 | 41.68 | 62.44 | ||||||||||||
1962 | 43.81 | 49.71 | 47.26 | 63.23 | 58.32 | 75.53 | 81.97 | 78.10 | 77.80 | 62.90 | 51.67 | 47.77 | 61.51 | |||||||||||||
1963 | 42.52 | 54.79 | 53.52 | 52.20 | 68.35 | 69.17 | 74.42 | 80.16 | 78.63 | 62.84 | 49.13 | 45.55 | 60.94 | |||||||||||||
1964 | 41.48 | 50.31 | 48.39 | 55.20 | 62.81 | 68.97 | 79.74 | 77.06 | ----- | z | 64.77 | 45.53 | 40.94 | 57.75 | a | |||||||||||
1965 | 40.13 | 46.80 | c | 58.39 | 62.24 | a | 62.68 | 72.20 | 85.27 | a | 80.06 | 72.93 | 66.71 | 50.63 | 41.55 | 61.63 | ||||||||||
1966 | 40.77 | a | 45.43 | 51.90 | 61.93 | 69.83 | a | 71.25 | b | 78.06 | 81.62 | b | 76.47 | 63.71 | 51.00 | a | 42.32 | 61.19 | ||||||||
1967 | 42.48 | 48.89 | 49.10 | 51.87 | 67.42 | 76.23 | 84.70 | a | 90.48 | 82.13 | 59.32 | 54.03 | 39.48 | 62.18 | ||||||||||||
1968 | 41.13 | a | 54.14 | 55.19 | 54.93 | 63.48 | 71.73 | 80.97 | 75.06 | 73.38 | a | ----- | z | 49.63 | 38.68 | 59.85 | a | |||||||||
1969 | 34.61 | 43.07 | 53.74 | 56.47 | 70.13 | 73.30 | ----- | z | 79.48 | 72.80 | 57.77 | a | 50.13 | 44.06 | 57.78 | a | ||||||||||
1970 | 42.06 | 52.57 | 52.53 | a | 50.83 | 65.23 | 76.50 | 82.58 | 84.97 | 68.30 | 60.58 | 49.70 | 37.52 | 60.28 | ||||||||||||
1971 | 39.48 | 45.21 | 43.97 | 55.10 | 64.58 | 67.21 | a | 80.77 | 83.52 | 69.20 | 58.74 | 46.50 | 38.84 | 57.76 | ||||||||||||
1972 | 38.97 | 46.14 | 51.61 | 51.90 | a | 68.42 | 72.90 | 83.61 | 84.65 | 70.03 | ----- | z | ----- | z | ----- | z | 63.14 | c | ||||||||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 40.95 | 46.46 | 51.00 | 58.60 | 66.80 | 72.68 | 82.11 | 82.03 | 74.99 | 62.70 | 50.25 | 42.84 | 60.82 | |||||||||||||
S.D. | 3.73 | 3.63 | 4.17 | 5.17 | 4.03 | 4.22 | 4.01 | 4.77 | 5.25 | 4.49 | 3.67 | 3.15 | 1.64 | |||||||||||||
SKEW | -0.20 | 0.66 | 0.65 | -0.09 | 0.24 | 0.38 | -0.50 | 0.48 | 0.84 | 0.53 | 0.09 | 0.13 | -0.18 | |||||||||||||
MAX | 49.61 | 54.79 | 63.16 | 68.52 | 75.97 | 81.72 | 88.68 | 94.21 | 92.10 | 77.39 | 56.93 | 49.55 | 64.06 | |||||||||||||
MIN | 33.28 | 40.48 | 43.97 | 47.30 | 58.32 | 65.27 | 73.23 | 73.13 | 67.17 | 52.37 | 42.59 | 36.74 | 57.42 | |||||||||||||
YRS | 37 | 39 | 40 | 39 | 39 | 42 | 42 | 42 | 40 | 39 | 38 | 38 | 28 |