YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1897 | 45.48 | 48.39 | 52.48 | 64.73 | 76.29 | 81.63 | 85.26 | 86.10 | 77.77 | 65.32 | 62.77 | 48.68 | 66.24 | |||||||||||||
1898 | 41.58 | 53.32 | 51.19 | 66.60 | 70.42 | 83.67 | 86.23 | 87.06 | 82.03 | 71.90 | 56.73 | 43.71 | 66.20 | |||||||||||||
1899 | 43.90 | 43.75 | 53.29 | 65.53 | 69.48 | 81.83 | 84.71 | 84.52 | 83.03 | 68.03 | 60.57 | 48.97 | 65.63 | |||||||||||||
1900 | 54.32 | 52.96 | 61.23 | 55.40 | 76.70 | h | 87.69 | n | 90.23 | a | 85.65 | 75.97 | 70.16 | 62.27 | 55.52 | 66.37 | b | |||||||||
1901 | 50.84 | 51.11 | 54.16 | 62.57 | 74.10 | a | 81.30 | 91.20 | a | 87.13 | a | 81.17 | 74.65 | 65.03 | 52.73 | a | 68.83 | |||||||||
1902 | 49.06 | 48.08 | b | 47.86 | b | 67.13 | 71.70 | a | 85.53 | 82.81 | 83.00 | 78.47 | 69.58 | 54.83 | 46.42 | 65.37 | ||||||||||
1903 | 44.23 | 44.67 | a | 51.39 | 58.33 | 67.45 | 75.77 | 83.55 | b | 82.90 | 73.77 | 69.40 | a | 61.90 | 50.38 | b | 63.64 | |||||||||
1904 | 45.58 | 55.41 | b | 60.32 | 68.43 | 72.94 | 80.63 | 83.03 | 79.84 | 76.33 | 68.35 | 60.43 | 42.84 | 66.18 | ||||||||||||
1905 | 43.84 | 44.68 | 53.00 | 57.13 | 69.52 | 81.03 | 81.39 | 82.74 | 75.77 | 65.16 | 51.20 | 38.61 | 62.01 | |||||||||||||
1906 | 42.65 | 48.68 | 52.84 | 60.90 | 71.94 | 81.33 | 80.97 | 78.16 | 73.87 | 66.26 | 52.45 | a | 48.42 | 63.20 | ||||||||||||
1907 | 45.03 | 54.32 | 58.16 | 63.76 | a | 65.42 | 75.83 | 82.58 | 78.10 | 75.43 | 64.29 | 51.33 | 46.80 | a | 63.42 | |||||||||||
1908 | 48.13 | 49.48 | 59.63 | a | 63.27 | 65.26 | 78.83 | 82.90 | 77.29 | 75.97 | 63.40 | a | 53.97 | 46.90 | 63.75 | |||||||||||
1909 | 47.33 | g | 46.93 | 51.65 | 62.90 | 69.61 | 80.57 | 84.77 | 78.27 | a | 72.77 | 69.19 | 56.69 | a | 38.77 | 64.74 | a | |||||||||
1910 | 43.45 | 46.43 | 69.42 | 66.97 | 76.00 | 82.60 | 84.06 | 82.81 | 78.93 | 67.50 | a | 59.20 | 53.10 | 67.54 | ||||||||||||
1911 | 54.68 | 45.64 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 50.16 | j | ||
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 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1937 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1938 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1939 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 53.79 | b | 53.79 | k |
1940 | 43.07 | a | 45.03 | 57.75 | c | 62.40 | 73.61 | 82.70 | 86.29 | 82.84 | 74.00 | 67.17 | a | 50.47 | 47.35 | 64.39 | ||||||||||
1941 | 40.97 | 47.68 | 51.61 | 53.28 | a | 69.27 | a | 74.72 | a | 81.74 | 80.48 | 72.83 | 61.00 | 54.77 | 45.65 | 61.17 | ||||||||||
1942 | 44.10 | 43.86 | 50.32 | 61.50 | 71.71 | 81.57 | 86.03 | 81.68 | 77.40 | 64.00 | 57.14 | b | 47.48 | 63.90 | ||||||||||||
1943 | 45.19 | 51.75 | 53.61 | 68.53 | 73.10 | 79.83 | 84.32 | 81.10 | 76.63 | 65.61 | 55.87 | 43.87 | 64.95 | |||||||||||||
1944 | 41.87 | 44.48 | 49.61 | 58.00 | 68.81 | 79.30 | 82.81 | 83.61 | 76.94 | m | 67.32 | ----- | z | ----- | z | 63.98 | c | |||||||||
1945 | 44.42 | 50.04 | 50.74 | 62.69 | a | 74.35 | 80.30 | 85.97 | 85.13 | 79.30 | 67.00 | 56.23 | 40.10 | 64.69 | ||||||||||||
1946 | 40.26 | 48.11 | 55.90 | 68.93 | 71.87 | a | 85.43 | 83.42 | 79.65 | 76.47 | 62.94 | 50.67 | 51.74 | 64.61 | ||||||||||||
1947 | 39.61 | 52.30 | a | 56.42 | 64.25 | b | 75.29 | 80.63 | 86.16 | 78.07 | a | 77.30 | 67.06 | 44.00 | a | 41.77 | 63.57 | |||||||||
1948 | 42.90 | 40.76 | 42.22 | d | 63.00 | a | 72.47 | a | 77.72 | a | 84.26 | 82.04 | c | 79.27 | 64.87 | 47.20 | 43.87 | a | 61.71 | |||||||
1949 | 33.10 | a | 39.07 | 51.96 | d | 61.83 | 69.10 | 78.77 | 81.87 | 82.41 | d | 79.19 | c | 63.23 | 61.97 | 45.79 | c | 62.36 | ||||||||
1950 | 45.72 | b | 50.77 | b | 56.73 | a | 67.27 | 71.97 | a | 83.20 | 82.55 | 84.00 | 74.20 | 74.97 | 57.57 | 52.65 | 66.80 | |||||||||
1951 | 44.77 | a | 45.04 | 51.32 | 59.93 | 70.52 | 79.07 | c | 87.10 | 82.84 | 79.63 | 64.87 | 50.47 | 39.45 | 62.92 | |||||||||||
1952 | 43.13 | a | 43.10 | 43.61 | 60.53 | 72.00 | 81.71 | b | 83.81 | 84.00 | a | 80.10 | 73.30 | a | 48.34 | a | 38.77 | 62.70 | ||||||||
1953 | 46.37 | a | 45.04 | 54.94 | 61.43 | 64.90 | a | 84.90 | 86.26 | 82.38 | b | 81.73 | 68.03 | a | 55.73 | 40.97 | 64.39 | |||||||||
1954 | 44.65 | 55.75 | 50.00 | 68.97 | 72.19 | 82.03 | 84.48 | 81.65 | 78.69 | a | 68.97 | 59.80 | 44.35 | 65.96 | ||||||||||||
1955 | 36.71 | 39.39 | 52.87 | 60.00 | a | 66.17 | a | 78.80 | 82.94 | 81.29 | 79.41 | c | 69.58 | 52.23 | 44.68 | 62.01 | ||||||||||
1956 | 47.97 | b | 42.07 | b | 54.68 | 59.83 | a | 74.16 | 84.28 | e | 83.67 | a | 79.90 | a | 82.37 | 68.23 | 49.00 | 44.77 | 64.24 | |||||||
1957 | 41.33 | a | 50.14 | 51.29 | 57.40 | 64.74 | 80.57 | 82.10 | 79.42 | 77.67 | 62.10 | 46.36 | b | 48.55 | b | 61.81 | ||||||||||
1958 | 43.81 | 48.96 | 45.00 | 57.97 | 74.71 | 84.31 | a | 83.85 | e | 84.13 | 74.20 | 65.84 | 52.83 | 53.42 | 64.09 | |||||||||||
1959 | 46.94 | 44.04 | 53.06 | 63.03 | 71.39 | 83.43 | b | 87.42 | 80.73 | a | 77.60 | 65.00 | 53.07 | 46.03 | 64.31 | |||||||||||
1960 | 37.52 | 39.72 | 54.90 | 64.37 | 70.42 | 82.93 | 86.61 | 86.13 | 79.50 | 62.26 | 55.07 | 41.23 | a | 63.39 | ||||||||||||
1961 | 45.61 | 46.50 | 51.13 | 60.80 | 72.69 | b | 85.37 | 86.40 | a | 80.68 | 72.43 | 65.13 | 47.50 | 39.90 | 62.85 | |||||||||||
1962 | 38.65 | 45.71 | 44.94 | 66.93 | 70.94 | 78.83 | 83.29 | 85.26 | 76.30 | 64.65 | 56.40 | 46.74 | 63.22 | |||||||||||||
1963 | 35.57 | a | 48.59 | a | 50.58 | 56.82 | b | 75.74 | 82.37 | 86.71 | 78.97 | 78.20 | 69.97 | 52.93 | 45.35 | 63.48 | ||||||||||
1964 | 39.61 | 37.79 | 44.35 | 56.63 | 72.19 | 79.40 | 85.39 | 79.69 | b | 73.27 | 70.26 | 48.53 | 41.55 | 60.72 | ||||||||||||
1965 | 42.55 | 43.18 | 46.37 | a | 58.27 | 68.74 | 75.43 | 82.13 | ----- | z | 71.83 | 68.57 | a | 55.27 | 43.71 | 59.64 | a | |||||||||
1966 | 39.16 | 39.36 | 53.45 | 63.10 | 74.10 | 81.97 | 86.68 | i | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 58.52 | f | ||||||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 43.62 | 46.72 | 52.59 | 62.23 | 71.18 | 81.00 | 84.53 | 82.09 | 77.20 | 67.13 | 54.58 | 45.89 | 64.06 | |||||||||||||
S.D. | 4.39 | 4.60 | 5.15 | 4.00 | 3.10 | 2.75 | 2.25 | 2.67 | 2.96 | 3.30 | 5.07 | 4.61 | 1.81 | |||||||||||||
SKEW | 0.22 | 0.04 | 0.56 | -0.09 | -0.48 | -0.42 | 0.88 | 0.09 | 0.03 | 0.44 | 0.04 | 0.26 | 0.48 | |||||||||||||
MAX | 54.68 | 55.75 | 69.42 | 68.97 | 76.29 | 85.53 | 91.20 | 87.13 | 83.03 | 74.97 | 65.03 | 55.52 | 68.83 | |||||||||||||
MIN | 33.10 | 37.79 | 42.22 | 53.28 | 64.74 | 74.72 | 80.97 | 77.29 | 71.83 | 61.00 | 44.00 | 38.61 | 60.72 | |||||||||||||
YRS | 41 | 42 | 41 | 41 | 40 | 40 | 40 | 39 | 39 | 40 | 39 | 40 | 36 |