YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1905 | 35.17 | a | 39.74 | a | 53.96 | f | 58.93 | c | 64.76 | j | 75.44 | e | 81.62 | e | 81.68 | 75.97 | 60.37 | d | 53.70 | 38.30 | a | 60.09 | b | |||
1906 | ----- | z | 50.79 | 53.67 | a | 60.40 | 67.30 | a | 73.79 | f | 82.84 | 83.00 | b | 76.11 | c | 65.74 | 51.93 | a | 45.10 | a | 63.69 | b | ||||
1907 | 41.14 | q | 62.71 | n | 56.75 | g | ----- | z | 67.31 | b | 78.45 | a | 89.29 | 83.13 | 79.59 | a | 70.45 | 49.40 | 40.72 | b | 69.79 | d | ||||
1908 | ----- | z | 47.59 | 59.16 | 63.60 | 64.74 | 79.37 | 88.65 | 79.29 | 76.17 | 56.77 | 47.43 | 37.97 | 63.70 | a | |||||||||||
1909 | 39.58 | 40.57 | 51.48 | 58.97 | 62.84 | 78.70 | 84.90 | 80.71 | 73.07 | 67.65 | 53.66 | a | 24.77 | a | 59.74 | |||||||||||
1910 | 36.00 | a | 39.74 | a | 59.97 | 63.63 | 68.40 | a | 80.17 | 80.97 | a | 79.32 | c | 70.77 | ----- | z | 50.50 | 39.00 | j | 62.95 | b | |||||
1911 | 43.97 | 44.30 | a | 57.40 | a | 64.31 | a | 75.48 | 83.07 | 83.52 | 86.42 | 79.70 | 64.06 | 49.13 | 37.65 | 64.08 | ||||||||||
1912 | 40.58 | 45.59 | 50.60 | a | 60.13 | 72.81 | 82.03 | 84.90 | 86.39 | 74.37 | 64.33 | a | 54.57 | 34.57 | a | 62.57 | ||||||||||
1913 | 34.06 | 41.96 | 51.00 | c | 64.73 | 75.45 | 81.43 | 86.32 | 88.03 | 74.00 | 62.39 | 54.54 | b | 32.58 | 62.21 | |||||||||||
1914 | 37.35 | 40.48 | a | 54.90 | 63.62 | a | 72.94 | 81.10 | a | 85.03 | 85.74 | 80.43 | 65.00 | 58.17 | 35.48 | 63.35 | ||||||||||
1915 | 32.42 | 42.61 | 53.30 | a | 66.57 | 69.97 | a | 81.03 | 88.58 | 87.58 | 77.67 | 69.60 | a | 51.43 | b | 39.84 | 63.38 | |||||||||
1916 | 38.06 | 47.38 | 58.13 | 64.67 | 73.58 | 85.90 | 88.52 | 82.90 | b | 77.53 | 61.84 | 48.27 | 35.55 | 63.53 | ||||||||||||
1917 | 31.16 | 38.79 | 48.35 | 58.63 | 64.29 | 83.80 | 91.42 | 85.32 | 78.63 | 67.10 | 56.32 | b | 48.06 | 62.66 | ||||||||||||
1918 | 33.31 | b | 41.04 | e | 57.93 | c | 59.33 | f | 74.44 | f | 89.11 | b | 86.97 | 85.66 | b | 76.50 | b | 65.39 | 45.00 | 35.40 | a | 61.63 | b | |||
1919 | 30.90 | 37.81 | b | 50.67 | a | 65.10 | 76.23 | 86.37 | 90.21 | b | 89.57 | a | 79.80 | 61.04 | d | 48.75 | b | 35.03 | 62.62 | |||||||
1920 | 34.48 | 42.34 | 50.70 | a | 55.24 | a | 73.94 | 82.62 | a | 90.03 | 84.71 | 77.03 | 64.74 | d | 49.37 | 35.77 | e | 61.75 | ||||||||
1921 | 41.32 | 46.82 | 58.74 | 61.47 | 75.29 | 85.10 | 88.19 | 83.81 | 81.43 | 71.03 | a | 54.90 | 45.52 | 66.14 | ||||||||||||
1922 | 36.68 | 42.43 | 51.00 | 59.07 | 74.23 | a | 87.20 | 89.87 | a | 87.10 | a | 80.97 | a | 66.35 | 49.28 | a | 41.52 | 63.81 | ||||||||
1923 | 44.68 | 44.89 | a | 48.55 | 63.14 | b | 73.97 | a | 84.87 | 90.03 | a | 83.13 | a | 75.43 | 62.10 | 50.80 | 38.03 | 63.30 | ||||||||
1924 | 32.10 | 44.66 | 44.26 | 60.27 | 69.13 | 83.97 | a | 87.52 | 83.45 | 75.73 | 67.13 | a | 52.23 | 31.61 | 61.00 | |||||||||||
1925 | 29.55 | 41.43 | 55.13 | 66.30 | 78.29 | 82.17 | 89.16 | 81.39 | 75.17 | 62.48 | 48.83 | 40.13 | 62.50 | |||||||||||||
1926 | 36.87 | a | 44.07 | 49.48 | 64.10 | 72.00 | a | 84.37 | 86.68 | 85.90 | 77.77 | 64.58 | 50.93 | 35.48 | 62.69 | |||||||||||
1927 | 40.16 | 45.75 | 48.10 | 63.37 | 74.16 | 81.93 | 87.55 | 80.84 | 74.60 | 67.29 | 54.07 | 35.23 | 62.75 | |||||||||||||
1928 | 42.65 | 44.29 | a | 53.00 | a | 59.73 | 69.81 | 80.00 | 88.97 | 85.32 | 80.17 | 65.35 | 46.23 | 33.26 | 62.40 | |||||||||||
1929 | 33.27 | a | 33.38 | b | 48.84 | 59.00 | a | 70.97 | 85.23 | 86.74 | 83.97 | 70.20 | 60.77 | a | 41.47 | 39.55 | 59.45 | |||||||||
1930 | 27.32 | 43.82 | 50.97 | 68.10 | 70.61 | 85.53 | 87.23 | 86.06 | 77.73 | 64.77 | 47.07 | 31.71 | 61.74 | |||||||||||||
1931 | 35.65 | 45.04 | 50.39 | 65.00 | 72.35 | 87.23 | 93.94 | 88.39 | 79.83 | 66.55 | 45.27 | 32.39 | 63.50 | |||||||||||||
1932 | 30.65 | 45.34 | 49.53 | a | 64.32 | b | 74.84 | 82.67 | 89.45 | 87.00 | 79.80 | 64.97 | b | 51.83 | 31.97 | 62.70 | ||||||||||
1933 | 33.90 | 32.31 | b | 53.30 | a | 57.79 | a | 68.37 | a | 88.71 | b | 93.68 | c | 87.83 | a | 81.83 | 70.68 | c | 54.81 | i | 46.23 | a | 64.97 | a | ||
1934 | 43.10 | 50.89 | 61.68 | 70.30 | 81.32 | 87.39 | b | 94.68 | 90.29 | 78.86 | a | 70.97 | 52.03 | 41.53 | a | 68.59 | ||||||||||
1935 | 43.30 | a | 47.14 | 54.16 | 63.07 | a | 70.03 | 89.40 | 92.77 | 87.90 | 79.13 | 66.03 | a | 50.03 | 40.94 | 65.33 | ||||||||||
1936 | 38.19 | 43.32 | a | 56.03 | a | 66.57 | 78.19 | 88.53 | 91.23 | 87.13 | a | 75.45 | a | 61.07 | a | 47.48 | a | 35.33 | a | 64.04 | ||||||
1937 | 26.34 | b | 39.42 | b | 49.19 | 58.67 | 73.00 | 79.67 | 86.13 | a | 84.87 | 76.80 | 63.32 | 49.83 | 36.28 | b | 60.29 | |||||||||
1938 | 34.73 | a | 40.48 | c | 48.22 | d | 60.96 | b | 66.45 | 77.77 | 86.58 | 88.68 | 77.73 | 65.97 | 42.82 | b | 37.68 | 60.67 | ||||||||
1939 | 35.29 | 31.56 | a | 52.87 | 66.55 | a | 77.69 | b | 85.93 | a | 92.26 | 88.68 | 78.10 | 65.45 | 54.80 | 45.84 | 64.58 | |||||||||
1940 | 34.67 | a | 42.34 | 56.97 | a | 63.62 | a | 79.67 | a | 88.53 | 92.00 | 89.03 | 77.93 | 66.77 | 47.00 | 39.94 | 64.87 | |||||||||
1941 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1942 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1943 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1944 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1945 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1946 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1947 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1948 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1949 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1950 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1951 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1952 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1953 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1954 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1955 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1956 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1957 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1958 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1959 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1960 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1961 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1962 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1963 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1964 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1965 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1966 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1967 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1968 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1969 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1970 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1971 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1972 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1973 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1974 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1975 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1976 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1977 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1978 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1979 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1980 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1981 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1982 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 35.98 | 42.57 | 52.87 | 62.64 | 72.22 | 83.57 | 88.29 | 85.28 | 77.28 | 65.15 | 50.26 | 37.63 | 62.97 | |||||||||||||
S.D. | 4.76 | 4.43 | 4.11 | 3.36 | 4.47 | 3.62 | 3.34 | 2.92 | 2.75 | 3.25 | 3.76 | 4.95 | 1.90 | |||||||||||||
SKEW | 0.07 | -0.62 | 0.31 | -0.01 | -0.13 | -0.18 | -0.18 | -0.37 | -0.63 | -0.15 | -0.18 | 0.06 | 0.61 | |||||||||||||
MAX | 44.68 | 50.89 | 61.68 | 70.30 | 81.32 | 89.40 | 94.68 | 90.29 | 81.83 | 71.03 | 58.17 | 48.06 | 68.59 | |||||||||||||
MIN | 26.34 | 31.56 | 44.26 | 55.24 | 62.84 | 75.44 | 80.97 | 79.29 | 70.20 | 56.77 | 41.47 | 24.77 | 59.45 | |||||||||||||
YRS | 33 | 35 | 34 | 34 | 34 | 35 | 36 | 36 | 36 | 35 | 35 | 35 | 29 |