YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1894 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 56.53 | 66.03 | 64.84 | 54.93 | a | 47.42 | 35.04 | g | ----- | z | 57.95 | g | ||||
1895 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1896 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1897 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1898 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
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 | 43.34 | a | 52.94 | 58.66 | a | 65.48 | 66.19 | 59.23 | 43.84 | 40.43 | 41.40 | a | 52.39 | c | ||||||
1904 | 31.54 | g | 34.14 | 41.00 | 42.23 | ----- | z | 61.33 | 66.35 | 66.03 | 58.20 | 49.00 | f | 33.37 | 30.63 | a | 48.14 | c | ||||||||
1905 | 32.94 | 39.14 | 42.16 | 45.77 | ----- | z | 51.47 | 55.81 | 57.23 | 50.33 | 40.42 | 39.67 | 29.35 | 44.03 | a | |||||||||||
1906 | 30.58 | 38.14 | 38.26 | 44.07 | 48.35 | 57.03 | 66.16 | 57.00 | 55.17 | 43.00 | 36.07 | 34.03 | 45.66 | |||||||||||||
1907 | 35.45 | 36.54 | 38.48 | 45.00 | 47.10 | 55.30 | 66.68 | 65.16 | 58.73 | 48.84 | 37.73 | 28.52 | 46.96 | |||||||||||||
1908 | 31.65 | 34.72 | 38.90 | 44.87 | 47.87 | 55.97 | 65.84 | 65.58 | 56.63 | 41.19 | 36.43 | 34.52 | 46.18 | |||||||||||||
1909 | 35.03 | 32.54 | 35.03 | 42.77 | 47.61 | 58.83 | 68.55 | 65.48 | 57.17 | 43.32 | 34.60 | 30.03 | 45.91 | |||||||||||||
1910 | 30.83 | b | 29.46 | 40.10 | 44.03 | 52.94 | 61.40 | 66.39 | 66.71 | 59.23 | 42.00 | 34.03 | 28.48 | 46.30 | ||||||||||||
1911 | 35.52 | 33.14 | 42.61 | 43.90 | 46.84 | 55.53 | 64.06 | 63.74 | 59.50 | 45.45 | 32.03 | 23.13 | 45.46 | |||||||||||||
1912 | 26.84 | 27.45 | 35.60 | a | 38.40 | 45.65 | 58.23 | 60.03 | 63.10 | a | 52.93 | 43.13 | 32.07 | 25.13 | 42.38 | |||||||||||
1913 | 24.10 | 33.07 | 34.29 | 39.63 | 47.00 | 55.63 | 62.81 | 63.03 | 53.90 | 42.84 | 39.93 | 29.23 | 43.79 | |||||||||||||
1914 | ----- | z | 32.96 | a | 38.52 | 44.70 | 49.42 | 62.31 | a | 70.58 | 69.77 | 59.97 | 48.74 | 42.38 | a | 35.39 | 50.43 | a | ||||||||
1915 | 31.74 | 35.21 | 36.65 | 41.07 | 44.58 | 56.43 | 66.00 | 65.32 | 55.87 | 43.42 | 34.13 | 29.55 | 45.00 | |||||||||||||
1916 | 34.21 | l | 37.27 | c | 40.00 | a | 43.73 | 47.00 | 58.57 | 66.13 | 64.55 | 57.57 | 45.32 | 30.97 | 29.27 | a | 47.31 | a | ||||||||
1917 | 31.53 | a | 29.82 | 32.10 | 38.83 | 46.42 | 58.53 | 68.07 | d | 67.32 | 57.50 | 44.71 | 32.93 | a | 27.13 | a | 44.58 | |||||||||
1918 | 26.45 | 33.54 | 39.13 | 41.10 | 44.10 | 62.27 | 61.68 | 62.29 | 58.30 | ----- | z | ----- | z | 29.58 | 45.84 | b | ||||||||||
1919 | 24.81 | 30.12 | b | 34.93 | a | 43.30 | 50.84 | 58.30 | 65.65 | 64.10 | 57.83 | 44.23 | 36.83 | f | 31.52 | 45.96 | a | |||||||||
1920 | 32.03 | 37.24 | 37.26 | 37.33 | 48.84 | 58.31 | a | 65.48 | 62.97 | 55.30 | 37.10 | 30.70 | 22.42 | 43.75 | ||||||||||||
1921 | 27.32 | 30.75 | 37.87 | 36.03 | 43.29 | 46.33 | f | 53.17 | a | 50.39 | 43.77 | 31.48 | 22.83 | 22.39 | 36.30 | a | ||||||||||
1922 | 19.40 | a | 28.36 | 27.13 | 36.41 | a | 45.42 | 55.03 | 61.16 | 60.32 | 54.60 | 42.94 | 24.97 | 27.26 | 40.25 | |||||||||||
1923 | 25.74 | 26.29 | 30.97 | 38.40 | 46.68 | 52.70 | 59.90 | 58.84 | 50.77 | 36.29 | 32.40 | 28.68 | 40.64 | |||||||||||||
1924 | 20.58 | 30.21 | 32.52 | 41.77 | 51.32 | 61.73 | 66.19 | 63.23 | 59.93 | 45.77 | 34.50 | 30.71 | 44.87 | |||||||||||||
1925 | 24.58 | 26.18 | 32.35 | 41.50 | 55.26 | 53.75 | b | 66.00 | 62.26 | 54.70 | 42.39 | 30.50 | 27.16 | 43.05 | ||||||||||||
1926 | 27.68 | 36.07 | a | 29.90 | 37.73 | 47.57 | a | 54.77 | 64.55 | 64.90 | 63.23 | 59.37 | d | 43.33 | c | 35.55 | 47.05 | |||||||||
1927 | 31.26 | 38.18 | 35.94 | 42.47 | 49.52 | 56.20 | j | 70.17 | a | 65.52 | 59.93 | 45.55 | 40.37 | 30.77 | 46.33 | a | ||||||||||
1928 | 27.35 | 32.07 | 39.52 | 42.50 | 54.35 | 60.20 | 66.45 | 64.94 | 57.97 | 50.16 | 36.37 | 28.10 | 46.66 | |||||||||||||
1929 | 26.71 | 30.18 | 35.23 | 41.27 | 51.48 | 59.60 | 67.90 | 65.23 | 60.10 | 46.55 | 28.67 | 27.19 | 45.01 | |||||||||||||
1930 | 33.06 | 32.11 | 36.87 | 45.10 | 45.68 | 59.67 | 65.48 | 63.23 | 56.03 | 42.39 | 36.00 | 26.84 | 45.20 | |||||||||||||
1931 | 26.03 | 35.96 | 36.19 | 44.00 | 47.68 | 54.07 | 65.77 | 61.65 | k | 57.83 | 45.74 | 28.07 | 30.06 | 42.86 | a | |||||||||||
1932 | 24.52 | ----- | z | 51.65 | ----- | z | 50.65 | 55.07 | 65.97 | 64.06 | 55.63 | 44.55 | 31.00 | 27.71 | 47.08 | b | ||||||||||
1933 | 28.00 | 26.39 | 33.10 | 33.77 | 43.19 | 58.97 | 65.48 | 64.47 | a | 60.97 | 47.84 | 33.17 | 27.65 | 43.58 | ||||||||||||
1934 | 23.77 | 35.14 | 38.19 | 46.60 | 53.65 | 56.67 | 67.23 | a | 63.97 | 54.80 | 43.55 | 34.23 | 30.71 | 45.71 | ||||||||||||
1935 | 30.61 | 33.25 | 35.52 | 41.70 | 45.06 | 57.60 | 63.77 | 62.45 | 53.43 | 43.30 | a | 30.77 | 28.29 | 43.81 | ||||||||||||
1936 | 25.26 | 31.17 | 34.94 | 41.28 | a | 48.58 | 60.87 | 65.26 | 62.03 | 53.23 | 43.26 | 31.43 | 25.68 | 43.58 | ||||||||||||
1937 | 20.39 | 25.57 | ----- | z | 35.90 | ----- | z | 57.87 | 63.71 | 56.10 | 45.47 | 34.52 | 34.33 | 29.52 | 40.34 | b | ||||||||||
1938 | 29.13 | 31.50 | 35.58 | 56.03 | 49.39 | 60.40 | 64.58 | 63.65 | 57.53 | 45.45 | 29.13 | 29.97 | 46.03 | |||||||||||||
1939 | 27.97 | b | 24.93 | 35.06 | 42.97 | 49.13 | a | 59.70 | 65.71 | 65.00 | 58.17 | 41.65 | 37.80 | 31.48 | 44.96 | |||||||||||
1940 | 30.68 | 33.90 | 39.00 | 44.13 | 52.19 | 61.13 | 65.90 | 63.45 | 59.57 | 47.87 | 34.37 | 36.32 | 47.38 | |||||||||||||
1941 | 32.47 | a | 38.21 | 38.52 | 40.23 | 49.84 | 58.10 | 66.32 | 64.71 | 58.17 | 45.87 | 34.77 | 32.39 | 46.63 | ||||||||||||
1942 | 30.48 | 29.54 | 32.77 | 41.37 | 46.42 | 56.87 | 67.81 | 65.32 | 58.40 | 47.06 | 36.20 | 30.87 | 45.26 | |||||||||||||
1943 | 32.32 | 34.96 | 39.26 | 45.60 | 51.61 | 60.87 | 66.74 | 66.00 | 58.63 | 45.58 | 33.83 | 31.55 | 47.25 | |||||||||||||
1944 | 25.71 | 30.97 | 36.16 | 40.73 | 50.97 | 57.57 | 65.84 | 65.87 | 57.90 | 47.71 | 34.73 | 28.35 | 45.21 | |||||||||||||
1945 | 29.52 | 31.18 | 33.16 | ----- | z | 47.50 | s | 51.70 | 66.68 | 65.26 | 55.63 | 46.06 | 29.03 | ----- | z | 45.36 | c | |||||||||
1946 | ----- | z | ----- | z | ----- | z | 51.00 | q | 50.00 | 60.73 | 66.35 | 66.32 | 61.87 | 44.68 | 32.56 | c | 30.94 | 51.68 | d | |||||||
1947 | 27.26 | 33.11 | 36.06 | 41.90 | 53.68 | 59.66 | a | 66.61 | 65.90 | 59.07 | 47.68 | 34.47 | 25.65 | 45.92 | ||||||||||||
1948 | 27.03 | 30.88 | c | 33.53 | a | 42.60 | 47.97 | 58.50 | 65.81 | 64.00 | 58.37 | 46.42 | 27.40 | 31.00 | 44.46 | |||||||||||
1949 | 28.39 | 28.29 | 29.93 | q | 40.57 | 44.97 | 56.50 | f | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 35.55 | h | ||||
1950 | ----- | z | ----- | z | 35.70 | h | ----- | z | ----- | z | ----- | z | 65.52 | j | ----- | z | 53.45 | a | 44.65 | 33.53 | ----- | z | 43.88 | i | ||
1951 | ----- | z | ----- | z | ----- | z | 39.38 | v | ----- | z | 51.75 | n | 63.71 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 63.71 | k | |
1952 | ----- | z | ----- | z | 34.23 | r | 44.33 | 51.29 | 59.54 | d | 65.46 | e | 66.62 | b | 57.55 | a | 45.32 | 33.10 | 27.06 | 50.03 | c | |||||
1953 | 27.93 | b | 27.43 | 37.68 | 43.20 | 44.16 | 59.40 | 67.68 | 64.23 | 55.07 | 42.38 | e | 36.38 | a | 24.03 | b | 44.13 | |||||||||
1954 | 30.71 | 34.11 | 39.93 | a | 47.24 | a | 51.85 | d | 59.03 | 67.45 | 63.26 | 60.10 | 48.45 | 34.21 | a | 28.63 | a | 47.08 | ||||||||
1955 | 26.90 | a | 25.39 | 37.00 | u | 38.84 | e | 49.87 | a | 57.90 | a | 65.48 | 65.71 | 54.93 | 47.19 | 34.63 | 30.35 | 45.20 | a | |||||||
1956 | 32.52 | 27.79 | 34.16 | 42.13 | 50.45 | 64.93 | 65.06 | 61.48 | 57.53 | 44.19 | 29.53 | 27.16 | 44.75 | |||||||||||||
1957 | 36.10 | 39.25 | 39.16 | 42.20 | 47.94 | 61.47 | 67.35 | 64.94 | 55.87 | 48.13 | 32.70 | 32.10 | a | 47.27 | ||||||||||||
1958 | 28.45 | 37.32 | 37.68 | 44.70 | 57.65 | 64.70 | 66.58 | 66.26 | 60.00 | 49.71 | 34.90 | 28.19 | 48.01 | |||||||||||||
1959 | 30.23 | 31.64 | 35.58 | 44.03 | 44.23 | 62.43 | 67.10 | 65.94 | 59.10 | 46.52 | 38.20 | 34.10 | 46.59 | |||||||||||||
1960 | 28.26 | 28.41 | 39.13 | 43.27 | 49.81 | 61.30 | 66.97 | 66.23 | 58.47 | 45.55 | 36.43 | 27.55 | 45.95 | |||||||||||||
1961 | 32.87 | 29.92 | b | 37.42 | 44.43 | 50.35 | 63.90 | 67.94 | 66.26 | 58.10 | 45.00 | 36.80 | 34.52 | 47.29 | ||||||||||||
1962 | 31.65 | 36.68 | 34.06 | 46.17 | 49.55 | 57.10 | 67.10 | 66.32 | 62.37 | 48.81 | 40.13 | 35.84 | 47.98 | |||||||||||||
1963 | 30.10 | 35.68 | 36.39 | 41.97 | 51.71 | 54.37 | 65.97 | 63.90 | 57.67 | 46.94 | 38.33 | 29.26 | 46.02 | |||||||||||||
1964 | 24.71 | 26.48 | 34.42 | 42.23 | 50.45 | 59.80 | 67.06 | 64.58 | 58.07 | 48.29 | 33.77 | 31.71 | 45.13 | |||||||||||||
1965 | 32.45 | 30.39 | 35.06 | 43.73 | 47.87 | 54.83 | 66.00 | 64.13 | 56.10 | 43.94 | 40.03 | 33.29 | 45.65 | |||||||||||||
1966 | 26.42 | 28.32 | 36.81 | 44.00 | 53.32 | 60.67 | 66.94 | 65.29 | 59.00 | 44.00 | 38.10 | 28.65 | 45.96 | |||||||||||||
1967 | 25.35 | 32.21 | 38.06 | 42.03 | 48.61 | 59.67 | 65.90 | 62.61 | ----- | z | ----- | z | ----- | z | ----- | z | 46.81 | d | ||||||||
1968 | 33.11 | m | 40.28 | 37.27 | a | 41.18 | b | 47.38 | b | ----- | z | 62.28 | f | ----- | z | 51.96 | g | 43.25 | c | 32.48 | e | 20.07 | q | 40.31 | f | |
1969 | 30.58 | e | 29.95 | h | 28.68 | i | ----- | z | ----- | z | 53.13 | g | 70.54 | c | 73.65 | 65.90 | a | ----- | z | ----- | z | ----- | z | 60.16 | h | |
1970 | 29.50 | g | 33.79 | 34.65 | 37.37 | 50.68 | 59.90 | a | 67.10 | 63.58 | 55.57 | 39.84 | 32.13 | 27.94 | 45.68 | a | ||||||||||
1971 | 25.13 | 28.43 | 33.16 | 37.70 | 44.45 | 56.13 | 67.23 | 63.42 | 57.00 | 44.27 | a | 33.30 | 29.32 | 43.29 | ||||||||||||
1972 | 24.39 | 27.45 | 38.23 | 38.20 | ----- | z | 59.42 | f | 66.90 | 63.74 | 57.73 | 50.84 | 31.77 | 28.52 | 42.78 | b | ||||||||||
1973 | 28.42 | 34.86 | 35.26 | 40.07 | 51.74 | h | 58.97 | 65.10 | 64.42 | 56.00 | 44.03 | 33.60 | 27.16 | 44.35 | a | |||||||||||
1974 | 31.06 | 26.46 | 38.58 | 41.33 | 50.32 | 63.50 | 65.06 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 45.19 | e | |||||||
1975 | ----- | z | 27.71 | 35.97 | ----- | z | 54.00 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 39.23 | i | |||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 28.66 | 31.97 | 36.57 | 42.08 | 49.05 | 58.52 | 65.66 | 64.10 | 57.05 | 44.82 | 34.13 | 29.65 | 45.30 | |||||||||||||
S.D. | 3.69 | 3.97 | 3.46 | 3.33 | 3.15 | 2.98 | 2.73 | 3.10 | 3.46 | 3.92 | 3.91 | 3.43 | 1.70 | |||||||||||||
SKEW | -0.22 | 0.14 | 0.91 | 0.62 | 0.21 | -0.19 | -2.17 | -1.42 | -1.19 | -0.23 | -0.14 | 0.58 | -0.90 | |||||||||||||
MAX | 36.10 | 40.28 | 51.65 | 56.03 | 57.65 | 64.93 | 70.58 | 73.65 | 65.90 | 59.37 | 43.33 | 41.40 | 48.01 | |||||||||||||
MIN | 19.40 | 24.93 | 27.13 | 33.77 | 43.19 | 51.47 | 53.17 | 50.39 | 43.77 | 31.48 | 22.83 | 22.39 | 40.25 | |||||||||||||
YRS | 62 | 66 | 64 | 66 | 64 | 65 | 70 | 67 | 68 | 66 | 65 | 64 | 46 |