YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1900 | ----- | z | ----- | z | ----- | z | 55.92 | d | 62.67 | a | 70.73 | 73.90 | 80.77 | 68.10 | 63.68 | c | 31.67 | c | 24.33 | d | 59.09 | c | ||||
1901 | 21.74 | h | 16.17 | j | 25.46 | g | ----- | z | ----- | z | 64.90 | j | 74.04 | d | 73.90 | b | 67.19 | d | 57.30 | d | 37.28 | a | 25.74 | 55.91 | f | |
1902 | 26.74 | 26.96 | 42.90 | b | 46.50 | 61.71 | 65.97 | 77.50 | a | 71.35 | 65.53 | 52.65 | 41.87 | 26.84 | 50.54 | |||||||||||
1903 | 25.14 | b | 24.82 | 36.33 | a | 43.29 | b | 58.55 | b | 65.97 | a | 72.67 | a | 63.03 | a | 63.26 | c | ----- | z | ----- | z | ----- | z | 50.34 | c | |
1904 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1905 | ----- | z | ----- | z | ----- | z | 42.64 | s | ----- | 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 | 74.54 | c | 75.32 | f | 66.67 | c | 56.84 | 47.23 | 39.03 | 56.86 | g | |||
1914 | 30.06 | 21.14 | 33.10 | 60.71 | w | 73.90 | b | 76.93 | c | 78.27 | a | 74.84 | 73.24 | m | 62.74 | 44.45 | a | 25.90 | 52.13 | b | ||||||
1915 | 21.13 | ----- | z | 33.55 | 59.43 | 55.55 | 66.35 | d | ----- | z | 70.83 | a | 72.37 | ----- | z | ----- | z | ----- | z | 54.17 | e | |||||
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 | 35.83 | f | 29.58 | 29.58 | k | |
1939 | 28.32 | 23.29 | 31.68 | 45.77 | 62.94 | 72.20 | 78.26 | 74.94 | 69.77 | 53.42 | 43.53 | 36.68 | 51.73 | |||||||||||||
1940 | 22.32 | 29.36 | a | 30.39 | 46.13 | 54.90 | 67.77 | 76.53 | a | 71.90 | a | 69.30 | 57.10 | 38.03 | 30.65 | 49.53 | ||||||||||
1941 | 27.23 | 27.71 | 33.42 | 56.63 | 67.03 | 71.43 | 77.68 | 72.84 | 69.60 | 55.87 | 42.53 | 34.81 | 53.07 | |||||||||||||
1942 | 27.87 | 26.82 | 38.35 | 59.77 | 61.19 | 70.66 | a | 74.23 | 74.68 | 64.83 | 56.81 | 41.77 | 25.81 | 51.90 | ||||||||||||
1943 | 22.94 | 25.62 | d | 31.00 | 47.00 | 62.16 | 68.77 | 79.68 | 75.19 | 64.47 | 57.52 | 36.37 | 32.29 | 50.25 | ||||||||||||
1944 | 34.74 | 28.66 | 33.39 | 44.80 | 64.52 | 71.87 | 76.94 | 77.32 | 65.87 | 58.43 | a | 44.57 | 27.35 | 52.37 | ||||||||||||
1945 | 20.84 | 27.96 | 47.81 | 49.40 | 55.13 | 65.70 | 71.59 | b | 75.13 | a | 70.59 | a | 53.73 | a | 39.83 | 25.19 | 50.24 | |||||||||
1946 | 26.45 | 25.46 | 49.06 | 53.30 | 61.30 | a | 71.66 | a | 81.00 | a | 75.90 | 71.27 | 61.80 | a | 45.17 | 29.47 | a | 54.32 | ||||||||
1947 | 29.16 | 22.61 | 32.68 | 44.20 | 57.00 | 68.90 | 78.00 | 85.61 | 67.50 | 67.00 | 37.23 | 28.39 | 51.52 | |||||||||||||
1948 | 22.35 | 24.41 | 35.74 | 55.90 | 61.74 | 70.87 | 79.14 | b | 78.42 | 72.67 | 59.45 | 42.20 | 30.13 | 52.75 | ||||||||||||
1949 | 27.39 | 26.36 | 33.29 | 55.47 | 66.40 | a | 79.37 | 79.16 | 79.16 | 64.83 | 62.94 | 39.97 | 30.00 | 53.69 | ||||||||||||
1950 | 23.29 | 27.54 | 31.13 | 40.20 | 62.10 | 73.63 | 74.71 | 72.60 | a | 67.83 | 60.19 | 36.37 | 25.39 | 49.58 | ||||||||||||
1951 | 23.58 | 28.00 | 32.10 | a | 45.97 | 68.16 | 69.97 | 77.19 | 71.68 | 64.13 | 54.65 | 34.83 | 25.18 | c | 49.62 | |||||||||||
1952 | 25.61 | 31.10 | 35.30 | a | 55.13 | 62.81 | 76.27 | 81.23 | 77.06 | 72.80 | 53.84 | 43.13 | 33.29 | 53.96 | ||||||||||||
1953 | 28.19 | 26.93 | 39.10 | 45.33 | 62.84 | 73.40 | 78.23 | 79.29 | 67.97 | 66.59 | b | 47.30 | 31.65 | 53.90 | ||||||||||||
1954 | 22.74 | 37.36 | 34.65 | 51.43 | 55.29 | 74.73 | 77.77 | 74.13 | 64.57 | 54.03 | 44.10 | 32.13 | 51.91 | |||||||||||||
1955 | 25.29 | 27.93 | 32.45 | 59.27 | 69.55 | 75.80 | 83.61 | 81.10 | 69.57 | 58.90 | 37.23 | 25.52 | 53.85 | |||||||||||||
1956 | 29.03 | 27.97 | 33.52 | 45.63 | 60.60 | a | 74.77 | 73.48 | 74.55 | 64.73 | 67.03 | 42.67 | 31.43 | a | 52.12 | |||||||||||
1957 | 20.06 | 27.96 | 34.58 | 53.60 | 63.65 | 71.03 | 78.84 | 76.65 | 67.10 | 58.00 | 40.83 | 32.26 | 52.05 | |||||||||||||
1958 | 29.84 | 23.75 | 36.55 | 55.23 | 64.52 | 69.63 | 75.90 | 76.77 | 70.30 | 58.74 | 43.43 | 22.74 | 52.28 | |||||||||||||
1959 | 18.52 | 24.32 | 37.87 | 49.97 | 69.35 | 76.17 | 80.61 | 79.06 | 70.33 | 51.74 | 33.03 | 35.61 | 52.22 | |||||||||||||
1960 | 26.13 | 28.34 | 31.45 | 50.57 | 60.35 | 71.57 | 77.26 | 78.32 | 70.89 | b | 58.65 | 43.57 | 27.19 | 52.02 | ||||||||||||
1961 | 22.77 | 33.32 | 40.10 | 47.90 | 62.63 | a | 72.63 | 76.16 | 80.16 | 69.77 | 60.77 | 43.67 | 28.58 | 53.21 | ||||||||||||
1962 | 21.23 | 22.68 | 36.29 | 46.90 | 68.81 | 72.23 | 74.06 | 77.32 | 65.20 | 58.32 | 43.70 | 28.39 | 51.26 | |||||||||||||
1963 | 15.35 | 19.79 | 41.52 | 53.23 | 63.00 | 74.97 | 79.45 | 75.16 | 70.37 | 70.45 | 47.47 | 24.42 | 52.93 | |||||||||||||
1964 | 33.00 | 32.21 | 34.84 | 54.50 | 71.68 | 73.77 | 80.39 | 73.61 | 67.63 | 58.26 | 43.70 | 25.61 | 54.10 | |||||||||||||
1965 | 23.87 | 23.75 | 29.19 | 49.50 | 69.70 | a | 72.50 | 74.90 | a | 71.87 | 61.30 | 58.90 | 40.37 | 33.61 | 50.79 | |||||||||||
1966 | 20.16 | 27.11 | 41.10 | 44.63 | 58.77 | 74.59 | a | 80.58 | 71.40 | a | 67.83 | 55.65 | 39.53 | 29.23 | 50.88 | |||||||||||
1967 | 26.45 | 22.29 | 37.74 | 53.03 | 57.65 | 70.53 | 73.77 | 72.90 | 69.00 | 54.40 | a | 37.93 | 31.61 | 50.61 | ||||||||||||
1968 | 25.57 | a | 24.10 | 44.52 | 53.67 | 58.42 | 69.69 | a | 77.65 | 75.32 | 67.50 | 60.87 | 40.23 | 28.65 | 52.18 | |||||||||||
1969 | 25.03 | 29.36 | 32.87 | 50.80 | 64.58 | 65.80 | 75.65 | 79.94 | 67.03 | 53.58 | 42.03 | 30.10 | 51.40 | |||||||||||||
1970 | 20.42 | 25.82 | 31.03 | 50.67 | 59.19 | 73.37 | 79.65 | 78.42 | 67.03 | 60.81 | 39.33 | 29.52 | 51.27 | |||||||||||||
1971 | 19.26 | 26.89 | 34.13 | 52.50 | 58.45 | 73.63 | 74.19 | 72.40 | a | 69.37 | 60.87 | 39.10 | 29.35 | 50.85 | ||||||||||||
1972 | 19.42 | 20.62 | 28.19 | 42.03 | 65.42 | 66.60 | 72.84 | 71.55 | 64.90 | 51.00 | 37.40 | 23.52 | 46.96 | |||||||||||||
1973 | 28.74 | 26.64 | 41.87 | 47.83 | 56.19 | 70.77 | 75.39 | 76.42 | 66.47 | 61.55 | 40.00 | 27.42 | 51.61 | |||||||||||||
1974 | 21.90 | 22.21 | 32.84 | 47.97 | 58.45 | 68.63 | 79.71 | 73.45 | 62.57 | 54.87 | 42.43 | 32.68 | 49.81 | |||||||||||||
1975 | 27.33 | a | 27.25 | 32.77 | 43.23 | 65.77 | 71.20 | 79.55 | 77.30 | a | 62.48 | a | 58.87 | 45.40 | 28.19 | 51.61 | ||||||||||
1976 | 21.84 | 32.90 | 34.77 | 52.17 | 59.87 | 74.93 | 77.71 | 77.52 | 66.60 | 51.61 | 35.83 | 21.42 | 50.60 | |||||||||||||
1977 | ----- | z | 25.21 | 41.48 | 52.00 | 72.50 | c | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 47.80 | h | |||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 24.70 | 26.54 | 35.74 | 50.20 | 62.66 | 71.58 | 77.13 | 75.50 | 67.48 | 58.38 | 40.89 | 29.02 | 51.68 | |||||||||||||
S.D. | 4.06 | 3.56 | 4.78 | 4.97 | 4.87 | 3.31 | 2.74 | 3.74 | 2.83 | 4.45 | 3.75 | 3.82 | 1.54 | |||||||||||||
SKEW | 0.16 | 0.61 | 0.99 | 0.07 | 0.41 | -0.03 | 0.00 | -0.31 | -0.09 | 0.59 | -0.37 | 0.38 | -0.49 | |||||||||||||
MAX | 34.74 | 37.36 | 49.06 | 59.77 | 73.90 | 79.37 | 83.61 | 85.61 | 72.80 | 70.45 | 47.47 | 39.03 | 54.32 | |||||||||||||
MIN | 15.35 | 19.79 | 28.19 | 40.20 | 54.90 | 65.70 | 71.59 | 63.03 | 61.30 | 51.00 | 31.67 | 21.42 | 46.96 | |||||||||||||
YRS | 42 | 42 | 43 | 43 | 44 | 43 | 44 | 44 | 44 | 43 | 43 | 44 | 39 |