YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
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 | ----- | 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 | 41.12 | d | 51.32 | 62.17 | 69.42 | 82.00 | 84.16 | 85.38 | b | 79.47 | 63.35 | 50.72 | a | 34.50 | a | 63.96 | a | |||||||
1933 | 37.16 | 31.43 | 50.58 | 61.40 | 65.42 | 77.37 | 84.97 | 85.58 | 70.27 | 65.81 | 47.07 | b | 45.69 | o | 61.55 | a | ||||||||||
1934 | ----- | z | 51.00 | 58.19 | 71.20 | 77.32 | 80.20 | 87.48 | 88.16 | 71.83 | 67.03 | 50.57 | 39.45 | 67.50 | a | |||||||||||
1935 | 38.16 | 45.14 | ----- | z | ----- | z | ----- | z | 79.23 | 86.33 | a | 84.97 | 83.07 | 67.38 | r | 39.23 | 38.40 | a | 61.82 | d | ||||||
1936 | 41.26 | 24.69 | 52.55 | ----- | z | 80.68 | 76.97 | 91.81 | 88.03 | ----- | z | ----- | z | ----- | z | ----- | z | 65.14 | e | |||||||
1937 | 20.70 | a | 36.82 | 55.57 | a | ----- | z | ----- | z | 76.60 | 91.32 | 86.03 | 80.80 | 70.32 | 53.17 | 37.19 | 60.85 | b | ||||||||
1938 | 38.19 | 41.50 | 49.06 | ----- | z | 71.39 | 81.27 | 90.68 | 85.45 | 85.43 | ----- | z | 47.55 | a | 38.58 | 62.91 | b | |||||||||
1939 | 40.39 | 37.64 | 53.06 | ----- | z | 72.90 | u | 74.83 | 88.90 | 89.71 | 79.00 | 62.13 | 52.60 | 43.39 | 62.17 | b | ||||||||||
1940 | 36.19 | 42.24 | 54.77 | 60.57 | 74.07 | a | 82.50 | 85.74 | 86.54 | c | 76.59 | a | 61.97 | 39.30 | 40.45 | 61.74 | ||||||||||
1941 | 37.06 | 48.21 | 59.06 | 65.60 | 68.24 | b | 75.67 | 91.32 | 84.03 | 67.20 | 58.55 | 50.00 | 39.94 | 62.07 | ||||||||||||
1942 | 31.45 | 40.21 | 52.23 | 64.67 | 66.77 | 74.73 | 89.32 | 89.52 | 81.30 | 66.55 | 42.43 | 35.77 | 61.25 | |||||||||||||
1943 | 29.10 | 39.54 | 47.87 | 63.15 | d | 64.39 | 72.38 | a | 88.39 | 84.74 | 83.00 | a | 64.23 | 46.69 | a | 36.00 | 59.96 | |||||||||
1944 | 39.27 | a | 40.31 | 50.45 | 62.78 | c | 71.55 | 78.41 | a | 88.52 | 84.40 | a | 80.52 | a | 71.94 | 43.27 | 33.03 | a | 62.04 | |||||||
1945 | 38.65 | 44.54 | 48.52 | f | 58.44 | c | 71.88 | g | 77.64 | e | 91.35 | e | 88.83 | g | 71.92 | f | 65.52 | 45.04 | c | 36.23 | 57.17 | d | ||||
1946 | 38.23 | a | 43.43 | 50.74 | 61.33 | c | 78.29 | j | 77.40 | e | 88.10 | b | 88.17 | a | 76.04 | d | 57.00 | 42.90 | 40.64 | c | 60.36 | a | ||||
1947 | 33.79 | c | 47.81 | a | 56.97 | 62.93 | a | 77.97 | b | 75.79 | a | 87.79 | b | 84.52 | b | 75.37 | 59.35 | 44.48 | c | 40.27 | a | 62.25 | ||||
1948 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 80.53 | 83.06 | 81.81 | 75.20 | 62.68 | 45.03 | 29.84 | 65.45 | e | |||||||
1949 | 20.26 | 36.71 | 51.74 | 64.67 | 74.32 | 79.80 | 86.77 | 85.68 | 77.73 | 58.16 | 52.17 | 39.75 | g | 62.55 | a | |||||||||||
1950 | 20.53 | a | 37.21 | 45.84 | 57.40 | 68.81 | 74.83 | 86.87 | 87.87 | 80.10 | 58.77 | 45.53 | 41.00 | a | 58.73 | |||||||||||
1951 | 35.26 | 41.86 | 49.03 | 64.96 | b | 70.81 | 78.20 | 89.65 | 85.68 | 78.87 | 56.77 | 44.47 | 31.61 | 60.60 | ||||||||||||
1952 | 30.74 | 40.21 | 48.65 | 66.67 | 71.42 | 78.47 | 89.81 | 86.74 | 81.27 | 71.97 | 43.93 | 36.71 | 62.21 | |||||||||||||
1953 | 44.45 | 44.79 | 53.00 | 59.87 | 67.10 | 70.03 | ----- | z | ----- | z | ----- | z | 66.03 | 51.50 | 40.61 | 55.26 | c | |||||||||
1954 | 33.87 | 41.43 | 47.68 | 58.20 | 72.33 | a | 71.97 | ----- | z | 81.65 | ----- | z | ----- | z | ----- | z | 39.10 | 55.78 | d | |||||||
1955 | 34.55 | 38.71 | 42.10 | 53.37 | 65.17 | a | 79.87 | 83.73 | a | 87.81 | 75.10 | 59.97 | 36.77 | 34.65 | 57.65 | |||||||||||
1956 | 37.26 | 32.10 | 48.65 | 64.90 | 74.45 | 75.70 | 88.65 | 84.06 | 75.83 | 56.80 | a | 41.23 | 38.48 | 59.84 | ||||||||||||
1957 | 24.10 | 38.25 | 48.97 | 61.07 | 72.48 | 77.53 | 83.55 | 80.61 | 77.30 | ----- | z | 43.06 | n | 43.35 | 60.72 | b | ||||||||||
1958 | 40.39 | 52.33 | m | 50.61 | 58.75 | f | 78.97 | 81.90 | 89.52 | 90.13 | 73.73 | 65.39 | 45.90 | a | 38.87 | 65.54 | b | |||||||||
1959 | 37.48 | 40.36 | 51.57 | a | 61.73 | 65.03 | 77.30 | 88.42 | 76.17 | g | 68.40 | 59.68 | 43.90 | 39.06 | 57.54 | a | ||||||||||
1960 | 31.35 | 42.38 | 52.00 | 60.47 | 66.00 | 80.03 | 92.60 | a | 80.78 | d | 77.89 | c | 63.90 | 47.77 | 36.90 | 61.01 | ||||||||||
1961 | 40.39 | 46.79 | 52.97 | 60.53 | 71.71 | 87.03 | 91.00 | 92.58 | 74.14 | a | 61.19 | 44.60 | 36.71 | 63.30 | ||||||||||||
1962 | 34.87 | 43.21 | 49.29 | 65.10 | 65.74 | 79.03 | a | 86.60 | a | 82.58 | 78.90 | 61.55 | 47.21 | a | 41.23 | 61.28 | ||||||||||
1963 | 30.90 | a | 48.89 | 54.00 | 58.83 | 70.55 | 77.70 | ----- | z | 87.06 | 84.80 | 66.40 | a | 48.27 | 35.03 | 60.22 | a | |||||||||
1964 | 38.45 | b | 44.14 | ----- | z | 60.37 | 69.17 | a | 77.33 | 87.23 | a | 82.07 | a | 72.53 | 62.39 | 42.10 | 35.23 | 61.00 | a | |||||||
1965 | 36.45 | ----- | z | 52.97 | 63.50 | 68.90 | 78.44 | c | 86.35 | 84.58 | 70.70 | 69.45 | 49.07 | 38.19 | 63.51 | a | ||||||||||
1966 | 36.87 | 44.25 | 52.45 | 62.20 | 73.87 | 74.47 | 84.19 | 85.81 | 80.40 | 63.19 | 48.67 | 40.58 | 62.25 | |||||||||||||
1967 | 40.71 | 47.21 | 49.77 | 56.17 | 67.13 | 79.70 | 88.55 | 93.13 | 84.83 | 62.13 | 46.77 | 35.58 | 62.64 | |||||||||||||
1968 | 36.39 | 47.90 | 57.74 | 59.00 | 70.52 | 77.83 | 89.55 | 80.23 | 75.20 | 62.29 | 44.03 | 34.45 | 61.26 | |||||||||||||
1969 | 25.39 | 36.68 | 50.65 | 60.87 | 73.06 | 80.87 | 84.77 | 84.00 | 75.37 | 58.68 | 48.43 | 35.45 | 59.52 | |||||||||||||
1970 | 33.74 | 46.04 | 51.10 | 55.27 | 70.94 | 83.37 | 86.06 | 89.36 | c | 70.67 | 60.87 | 45.57 | 36.03 | 60.75 | ||||||||||||
1971 | 37.97 | 44.75 | 45.29 | 58.90 | 71.52 | 71.83 | 88.26 | 91.94 | 69.97 | 59.42 | 44.37 | 33.87 | 59.84 | |||||||||||||
1972 | 33.10 | 39.86 | 53.55 | 56.70 | 69.58 | 77.13 | 84.65 | 88.16 | 70.97 | 63.74 | 46.20 | ----- | z | 62.15 | a | |||||||||||
1973 | 35.29 | 44.71 | 53.81 | 62.07 | 73.45 | 77.60 | 88.03 | 85.55 | 75.13 | 60.32 | 40.77 | ----- | z | 63.34 | a | |||||||||||
1974 | 30.71 | 44.75 | 50.52 | 58.43 | 65.87 | 82.43 | 85.14 | c | ----- | z | 81.93 | 70.82 | n | ----- | z | 40.23 | 60.00 | c | ||||||||
1975 | 33.29 | ----- | z | ----- | z | 57.67 | x | 65.94 | 73.87 | 87.97 | 79.45 | 78.33 | 57.26 | 42.75 | b | 37.42 | e | 61.81 | c | |||||||
1976 | 35.81 | 39.31 | 43.97 | 55.62 | a | 68.13 | 70.83 | 81.81 | 76.58 | 76.23 | 59.94 | 44.40 | 35.84 | 57.37 | ||||||||||||
1977 | 26.13 | 43.25 | 46.29 | 64.50 | 62.55 | 80.30 | 81.06 | 86.55 | 65.97 | 57.45 | 44.38 | a | 36.65 | 57.92 | ||||||||||||
1978 | 35.23 | 41.57 | 53.23 | 56.20 | 64.97 | 79.03 | 84.23 | 79.58 | 68.83 | 62.61 | 38.87 | 29.77 | 57.84 | |||||||||||||
1979 | 20.39 | 37.14 | 53.10 | 57.87 | 70.32 | 78.73 | 86.42 | 84.39 | 76.03 | 62.39 | 39.97 | 40.42 | 58.93 | |||||||||||||
1980 | 29.65 | 40.45 | 47.23 | 63.80 | 67.35 | 71.00 | 84.58 | 80.42 | 74.63 | 62.35 | 45.77 | 41.16 | 59.03 | |||||||||||||
1981 | 41.48 | 42.89 | 54.10 | b | 57.03 | 65.55 | 69.63 | 83.10 | 90.94 | 78.17 | 58.10 | ----- | z | ----- | z | 64.10 | b | |||||||||
1982 | ----- | z | 42.19 | b | 51.67 | a | 55.29 | b | 70.55 | 83.40 | 86.55 | 92.77 | ----- | z | ----- | z | ----- | z | ----- | z | 68.92 | e | ||||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 34.11 | 41.61 | 51.22 | 60.83 | 70.03 | 77.66 | 87.19 | 85.65 | 76.41 | 62.40 | 45.45 | 37.45 | 60.45 | |||||||||||||
S.D. | 6.00 | 4.83 | 3.56 | 3.67 | 4.11 | 3.69 | 2.77 | 3.78 | 4.82 | 3.95 | 3.83 | 3.18 | 1.72 | |||||||||||||
SKEW | -0.92 | -0.94 | -0.15 | 0.25 | 0.55 | -0.21 | -0.11 | -0.05 | -0.17 | 0.68 | 0.00 | -0.41 | -0.29 | |||||||||||||
MAX | 44.45 | 51.00 | 59.06 | 71.20 | 80.68 | 87.03 | 92.60 | 93.13 | 85.43 | 71.97 | 53.17 | 43.39 | 63.30 | |||||||||||||
MIN | 20.26 | 24.69 | 42.10 | 53.37 | 62.55 | 69.63 | 81.06 | 76.58 | 65.97 | 56.77 | 36.77 | 29.77 | 57.37 | |||||||||||||
YRS | 47 | 47 | 46 | 43 | 45 | 51 | 48 | 47 | 46 | 44 | 45 | 44 | 25 |