YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1895 | ----- | z | ----- | z | ----- | z | ----- | z | 74.45 | t | 85.57 | 88.16 | 87.32 | 86.00 | 69.94 | 51.87 | 44.24 | b | 73.30 | e | ||||||
1896 | 51.26 | 54.66 | 64.30 | a | 73.50 | 83.13 | 92.83 | 88.61 | 89.26 | 82.13 | 66.48 | 59.07 | 51.23 | 71.37 | ||||||||||||
1897 | 44.16 | 51.36 | 60.90 | 73.00 | 81.16 | 90.30 | 90.13 | 91.23 | 81.30 | 68.84 | 60.63 | 50.42 | l | 72.09 | a | |||||||||||
1898 | 41.77 | 59.46 | 62.74 | 74.43 | 80.94 | 87.57 | 92.26 | 89.52 | 82.90 | 71.29 | 57.14 | a | 40.83 | a | 70.07 | |||||||||||
1899 | 44.65 | 51.71 | 65.30 | a | 74.70 | 80.87 | 89.60 | 90.68 | 90.94 | 85.40 | 72.32 | 60.63 | 50.23 | 71.42 | ||||||||||||
1900 | 54.84 | 56.59 | a | 67.71 | 68.37 | 84.61 | 93.43 | 95.33 | m | 90.77 | 80.96 | b | 72.19 | 62.31 | a | 50.23 | i | 73.18 | b | |||||||
1901 | 50.30 | a | 55.00 | b | 62.50 | g | 72.07 | b | 81.45 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 64.71 | h | |
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 | ----- | 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 | ----- | 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 | 80.28 | a | 70.97 | 45.07 | 48.19 | 61.13 | h | |||
1939 | 43.16 | 40.19 | a | 58.47 | a | 72.40 | 81.94 | 90.17 | 88.11 | d | 84.76 | b | 78.68 | e | 67.40 | f | ----- | z | 52.43 | j | 70.87 | c | ||||
1940 | 46.06 | 49.10 | 63.74 | 71.68 | b | 81.13 | 87.07 | 89.63 | a | 83.00 | 77.07 | 67.68 | f | ----- | z | 53.48 | b | 70.20 | b | |||||||
1941 | 47.29 | 55.79 | 59.30 | a | 64.70 | 77.74 | 84.10 | a | 91.20 | a | 88.77 | 81.67 | 69.41 | b | 61.54 | f | 52.04 | f | 72.00 | b | ||||||
1942 | 52.81 | e | 50.62 | d | 59.13 | 71.50 | d | 80.07 | d | 91.33 | c | 95.03 | b | 90.96 | c | 83.08 | d | 73.25 | c | 64.41 | c | 54.68 | 72.24 | |||
1943 | 52.17 | a | 60.11 | 63.90 | a | 78.20 | 81.90 | 89.81 | c | 94.83 | b | 92.87 | a | 84.33 | c | 72.68 | c | 61.34 | a | 43.80 | a | 73.00 | ||||
1944 | 42.52 | 54.31 | 60.94 | 68.80 | 79.16 | 88.33 | 92.26 | 90.71 | 83.13 | 73.13 | 57.13 | 50.10 | 70.04 | |||||||||||||
1945 | 50.06 | 59.14 | 60.81 | 70.36 | b | 82.67 | a | 89.33 | 93.84 | 93.32 | 86.52 | a | 74.32 | 62.60 | 47.35 | 72.53 | ||||||||||
1946 | 47.77 | 57.00 | a | 64.33 | a | 78.83 | 79.61 | 93.80 | 93.10 | 89.74 | 86.13 | 71.35 | 57.31 | a | 55.77 | 72.90 | ||||||||||
1947 | 47.74 | 58.50 | 64.32 | 71.43 | 83.68 | 89.00 | 95.87 | 89.65 | 87.10 | 77.03 | 54.80 | 48.32 | 72.29 | |||||||||||||
1948 | 47.81 | 52.04 | a | 55.81 | 77.00 | a | 81.97 | 88.63 | 94.90 | 93.00 | a | 87.34 | a | 72.87 | 56.46 | b | 51.48 | 71.61 | ||||||||
1949 | 41.83 | b | 52.11 | 65.39 | 72.33 | 80.32 | 88.73 | 92.74 | 91.29 | 86.57 | 71.87 | 68.67 | 49.61 | 71.79 | ||||||||||||
1950 | 54.61 | 61.96 | 66.84 | 77.63 | 82.21 | b | 92.23 | 90.59 | d | 91.39 | c | 82.03 | a | 81.37 | a | 66.69 | d | 58.97 | a | 75.54 | ||||||
1951 | 53.15 | d | 54.73 | f | 63.25 | c | 72.07 | c | 82.32 | c | 90.81 | c | 97.26 | d | 89.93 | c | 87.64 | e | 74.33 | a | 58.97 | 49.40 | a | 74.47 | a | |
1952 | 54.52 | 53.71 | a | 58.36 | c | 72.72 | a | 81.37 | a | 91.54 | b | 92.84 | 93.63 | d | 85.69 | a | 79.31 | e | 53.65 | d | 47.34 | b | 72.06 | |||
1953 | 57.19 | 56.60 | c | 63.59 | d | 73.21 | a | 76.94 | 93.04 | e | 93.87 | 91.42 | 88.93 | ----- | z | 59.72 | e | 46.29 | 72.80 | a | ||||||
1954 | 52.77 | 64.82 | 61.30 | a | 79.57 | 82.81 | 91.87 | 97.07 | a | 92.65 | 88.63 | 77.71 | 65.63 | 50.94 | 75.48 | |||||||||||
1955 | 46.81 | 51.78 | a | 65.16 | 72.23 | 79.90 | 90.40 | 92.68 | 91.60 | u | 89.93 | 78.26 | 61.59 | a | 55.06 | 71.25 | a | |||||||||
1956 | 54.97 | 51.00 | 68.35 | 74.03 | a | 87.16 | 96.37 | 94.26 | 92.13 | 92.03 | 77.52 | 58.60 | 53.19 | 74.97 | ||||||||||||
1957 | 51.68 | 63.00 | 62.52 | 71.07 | 77.74 | 92.40 | 95.68 | 89.74 | 86.90 | 69.84 | 52.57 | 53.19 | 72.19 | |||||||||||||
1958 | 49.39 | 58.89 | 56.19 | 69.73 | 86.61 | 95.80 | 97.74 | 96.55 | 84.10 | 72.19 | 60.80 | 57.57 | a | 73.80 | ||||||||||||
1959 | 48.97 | 54.39 | 63.84 | 74.17 | 82.97 | 94.23 | 96.29 | 90.74 | 86.53 | 71.13 | 58.30 | 49.10 | 72.55 | |||||||||||||
1960 | 45.13 | 49.69 | 66.03 | 75.80 | 81.77 | 92.90 | 94.77 | 94.29 | 86.50 | 68.94 | 60.60 | 45.84 | 71.86 | |||||||||||||
1961 | 48.77 | 56.36 | 63.58 | 72.80 | 84.23 | 94.13 | 95.06 | 90.19 | 80.53 | 72.55 | 53.97 | 46.71 | 71.57 | |||||||||||||
1962 | 46.19 | 58.57 | 59.03 | 77.30 | 83.19 | 91.07 | 91.77 | 94.10 | 82.80 | 71.87 | 60.60 | 52.52 | 72.42 | |||||||||||||
1963 | 44.94 | 55.89 | 63.97 | 74.90 | 86.58 | 90.97 | 97.81 | 89.13 | 85.97 | 78.32 | 61.83 | 52.58 | 73.57 | |||||||||||||
1964 | 48.16 | 42.86 | 58.90 | 69.30 | 83.29 | 91.07 | 94.87 | 92.42 | 83.97 | 77.81 | 60.10 | 48.90 | 70.97 | |||||||||||||
1965 | 51.97 | 52.75 | 58.81 | 72.53 | 80.19 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 49.19 | 60.91 | f | ||||||
1966 | 45.68 | 48.21 | 64.58 | 73.17 | 83.90 | 88.30 | 95.45 | 90.45 | 83.60 | 73.42 | 63.40 | 50.48 | 71.72 | |||||||||||||
1967 | 51.77 | 59.11 | a | 68.90 | a | 73.53 | 79.65 | 86.37 | 93.29 | 86.71 | 81.63 | 76.23 | 62.33 | 43.48 | 71.92 | |||||||||||
1968 | 50.29 | 56.36 | a | 60.35 | 66.70 | 78.48 | 90.93 | 90.67 | a | 85.77 | 83.43 | 74.94 | 56.30 | 45.45 | 69.97 | |||||||||||
1969 | 53.87 | 53.68 | 57.80 | a | 72.63 | 79.81 | 88.27 | 93.29 | 91.84 | 83.53 | 68.42 | 57.43 | 52.61 | 71.10 | ||||||||||||
1970 | 49.77 | 58.18 | 59.29 | 67.57 | 81.29 | 86.93 | 92.48 | 91.29 | 83.17 | 67.00 | 59.07 | 51.13 | 70.60 | |||||||||||||
1971 | 49.26 | 54.11 | 65.06 | 69.33 | 78.94 | 90.90 | 92.94 | 87.48 | 82.53 | 69.71 | 56.83 | 42.29 | 69.95 | |||||||||||||
1972 | 50.32 | 60.00 | 71.39 | 75.70 | 80.84 | 89.53 | 93.32 | 88.06 | 82.57 | 70.42 | 51.67 | 48.61 | 71.87 | |||||||||||||
1973 | 44.35 | 50.25 | 57.06 | 63.47 | 78.71 | 90.85 | c | 91.29 | 92.00 | 83.83 | 75.42 | 63.27 | 51.61 | 70.18 | ||||||||||||
1974 | 45.58 | 53.71 | 70.16 | 72.53 | 85.29 | 94.47 | 90.81 | 87.29 | 81.23 | 69.84 | 58.27 | 44.10 | 71.11 | |||||||||||||
1975 | 45.10 | 50.29 | 60.74 | 67.53 | 78.19 | 89.50 | 89.68 | 89.90 | 79.13 | 74.45 | 59.77 | 51.03 | 69.61 | |||||||||||||
1976 | 49.58 | 60.79 | 63.13 | 71.83 | 79.40 | a | 89.80 | 90.97 | a | 88.45 | 82.23 | 69.26 | 57.20 | 47.23 | 70.82 | |||||||||||
1977 | 42.03 | 55.82 | 59.77 | 72.00 | 79.68 | 92.20 | 93.13 | 91.52 | 84.57 | 75.83 | a | 62.60 | 55.23 | 72.03 | ||||||||||||
1978 | 49.35 | 52.75 | 64.13 | 74.37 | 78.10 | 92.27 | 95.94 | 90.81 | 83.80 | 75.58 | 58.96 | c | 44.94 | 71.75 | ||||||||||||
1979 | 43.35 | 53.81 | a | 61.19 | 71.33 | 76.74 | 87.83 | 94.35 | 90.14 | c | 85.60 | 79.03 | 53.83 | 52.58 | 70.82 | |||||||||||
1980 | 50.39 | 57.29 | a | 60.81 | 71.03 | a | 78.59 | d | 95.53 | 99.29 | 92.45 | 86.13 | 72.27 | a | 61.93 | b | 57.21 | b | 73.58 | |||||||
1981 | 55.28 | b | 61.22 | a | 62.40 | a | 80.74 | c | 82.50 | a | 97.21 | b | 96.77 | 92.59 | b | 86.07 | a | 71.82 | c | ----- | z | 56.00 | a | 76.60 | a | |
1982 | 50.36 | c | ----- | z | ----- | z | 74.85 | c | 86.44 | v | 92.33 | l | 96.36 | f | 92.64 | f | ----- | z | ----- | z | ----- | z | ----- | z | 62.60 | j |
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 48.84 | 54.91 | 62.57 | 72.61 | 81.26 | 90.82 | 93.35 | 90.47 | 84.20 | 73.10 | 59.02 | 50.00 | 71.93 | |||||||||||||
S.D. | 3.99 | 4.80 | 3.57 | 3.53 | 2.49 | 2.83 | 2.67 | 2.54 | 2.97 | 3.50 | 4.34 | 4.26 | 1.45 | |||||||||||||
SKEW | -0.00 | -0.59 | 0.30 | -0.12 | 0.38 | 0.07 | -0.00 | -0.56 | 0.11 | 0.34 | -0.59 | -0.03 | 0.76 | |||||||||||||
MAX | 57.19 | 64.82 | 71.39 | 80.74 | 87.16 | 97.21 | 99.29 | 96.55 | 92.03 | 81.37 | 68.67 | 58.97 | 75.54 | |||||||||||||
MIN | 41.77 | 40.19 | 55.81 | 63.47 | 76.74 | 84.10 | 88.11 | 83.00 | 77.07 | 66.48 | 45.07 | 40.83 | 69.61 | |||||||||||||
YRS | 50 | 48 | 48 | 50 | 49 | 48 | 47 | 47 | 49 | 46 | 45 | 46 | 38 |