YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1893 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 47.23 | a | 47.23 | k |
1894 | 39.77 | 41.71 | 44.61 | 49.40 | ----- | z | ----- | z | 56.03 | 58.29 | 53.90 | 48.35 | 38.67 | 42.26 | 47.30 | b | ||||||||||
1895 | 40.52 | 42.75 | 43.65 | 44.80 | 54.19 | 52.87 | 58.77 | 58.81 | 54.47 | 51.39 | 43.37 | 35.26 | 48.40 | |||||||||||||
1896 | 39.42 | 38.97 | 40.77 | 37.13 | 45.74 | 53.43 | 58.06 | 56.81 | 51.23 | 46.74 | 39.40 | 35.58 | 45.27 | |||||||||||||
1897 | 35.90 | 35.93 | 36.65 | 40.60 | 51.52 | 50.97 | 55.32 | 57.39 | 53.80 | 43.87 | 35.10 | 26.42 | 43.62 | |||||||||||||
1898 | 30.06 | 36.07 | 32.71 | 42.70 | 46.77 | 50.97 | 55.10 | 58.35 | 51.37 | 39.52 | 32.23 | 33.10 | 42.41 | |||||||||||||
1899 | 34.19 | 32.36 | 37.13 | 41.30 | 44.40 | a | 50.23 | 51.77 | 50.29 | 48.30 | 42.00 | 39.20 | 33.55 | 42.06 | ||||||||||||
1900 | 37.61 | ----- | z | ----- | z | 38.47 | 46.19 | 50.70 | 53.42 | 51.19 | 43.30 | 42.97 | 38.50 | 29.97 | 43.23 | b | ||||||||||
1901 | 35.16 | 43.71 | 41.03 | 42.63 | 51.55 | 53.80 | 55.87 | 59.06 | 50.40 | 47.19 | 40.30 | 32.45 | 46.10 | |||||||||||||
1902 | 34.00 | 38.04 | 38.68 | 42.50 | 47.68 | 51.83 | a | 54.87 | a | 54.10 | 50.79 | a | 44.84 | 37.30 | 33.61 | 44.02 | ||||||||||
1903 | 33.90 | 31.36 | 40.03 | 43.70 | 47.71 | 49.17 | 50.06 | 52.87 | 50.30 | 40.61 | 34.83 | 26.84 | 41.78 | |||||||||||||
1904 | 25.71 | 33.83 | 36.65 | 36.00 | 46.55 | 47.63 | 49.39 | 55.39 | ----- | z | ----- | z | 33.97 | 32.10 | 39.72 | b | ||||||||||
1905 | 34.61 | 43.07 | 44.10 | 48.27 | 48.39 | 49.37 | 53.16 | 52.35 | 48.30 | 47.58 | 53.80 | 46.55 | 47.46 | |||||||||||||
1906 | 33.42 | 43.41 | a | ----- | z | 43.03 | 49.16 | 51.21 | a | 58.55 | 55.77 | 50.60 | 42.84 | 35.23 | 37.77 | 45.55 | a | |||||||||
1907 | 35.68 | 40.32 | 37.23 | 45.57 | 44.90 | 48.13 | 53.81 | 53.81 | 43.83 | 51.52 | 38.10 | 35.35 | 44.02 | |||||||||||||
1908 | 35.71 | 36.24 | 39.61 | 42.30 | 42.45 | 46.87 | 53.10 | 56.55 | 52.07 | 39.10 | 38.53 | 32.58 | 42.93 | |||||||||||||
1909 | 38.87 | 39.79 | 40.74 | 44.57 | 49.97 | 53.47 | 55.77 | 57.77 | a | 52.60 | 44.48 | 37.97 | 39.52 | 46.29 | ||||||||||||
1910 | 35.12 | e | 35.89 | 44.94 | 45.57 | 50.71 | 52.13 | 58.32 | 56.13 | 55.07 | b | 46.81 | 41.74 | c | 35.35 | 46.48 | ||||||||||
1911 | 39.90 | 37.21 | 45.94 | 46.43 | 47.19 | 52.40 | 56.94 | 55.10 | a | 50.17 | 42.46 | c | 39.75 | f | 30.45 | 45.84 | a | |||||||||
1912 | 37.83 | a | 33.33 | e | 43.81 | 45.17 | 50.90 | 54.00 | b | 58.06 | 56.06 | 52.20 | 47.60 | a | 41.13 | 32.90 | 46.08 | |||||||||
1913 | 31.97 | 39.96 | c | 39.13 | a | 43.70 | 48.81 | 53.73 | 57.61 | 57.61 | 56.10 | 46.26 | 43.83 | 37.32 | 46.34 | |||||||||||
1914 | 40.40 | a | 41.43 | 45.52 | 47.43 | 51.94 | 53.17 | 57.52 | 57.39 | 54.77 | 51.45 | 47.70 | 37.94 | 48.89 | ||||||||||||
1915 | 37.42 | 42.29 | 44.19 | 49.77 | 50.52 | 53.97 | 56.77 | 56.23 | 53.00 | 44.84 | 38.57 | 36.80 | a | 47.03 | ||||||||||||
1916 | 39.13 | a | 41.83 | 46.23 | a | 45.67 | 47.55 | 52.43 | 57.77 | 58.00 | 55.10 | 46.58 | 35.50 | 33.32 | 46.59 | |||||||||||
1917 | 36.17 | a | 38.96 | 37.35 | 45.13 | 50.29 | 52.90 | 59.20 | a | 58.10 | 51.10 | 47.26 | 39.73 | 31.97 | 45.68 | |||||||||||
1918 | 36.23 | 41.18 | 45.94 | 47.07 | 50.90 | 60.23 | 58.97 | 60.48 | 59.50 | 53.74 | 41.17 | 36.19 | 49.30 | |||||||||||||
1919 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 60.35 | 59.13 | 54.57 | 43.61 | 39.17 | a | 36.81 | 48.94 | f | |||||
1920 | 39.74 | 42.68 | a | 41.68 | 43.53 | 50.71 | 54.47 | 56.42 | 58.84 | 53.33 | 43.90 | 39.03 | 35.06 | 46.62 | ||||||||||||
1921 | 36.03 | 37.96 | ----- | z | ----- | z | ----- | z | 55.30 | 60.13 | 58.26 | 53.24 | a | 53.71 | 40.60 | 43.65 | 48.76 | c | ||||||||
1922 | 35.74 | 39.86 | 40.90 | 43.17 | 50.23 | 55.90 | 59.74 | 61.00 | 57.47 | 46.61 | 35.57 | 42.29 | 47.37 | |||||||||||||
1923 | 38.52 | 38.21 | 38.65 | 49.67 | 51.32 | 53.13 | 56.68 | 56.81 | 55.00 | 45.48 | 42.00 | 38.45 | 46.99 | |||||||||||||
1924 | 33.35 | 37.45 | 40.97 | 47.27 | 53.87 | 54.70 | 58.55 | 57.48 | 53.03 | 45.03 | 39.33 | 37.13 | a | 46.51 | ||||||||||||
1925 | 33.23 | 41.21 | 40.94 | 46.30 | 52.32 | 55.63 | 61.39 | 56.71 | 50.53 | 49.81 | 41.53 | 41.03 | 47.55 | |||||||||||||
1926 | 34.26 | 43.39 | 48.29 | 54.47 | 54.52 | 61.43 | 58.87 | 58.90 | 51.00 | 46.77 | 41.43 | 37.61 | 49.25 | |||||||||||||
1927 | 38.63 | a | 47.14 | 42.87 | 46.17 | 50.23 | 55.73 | 59.13 | 58.61 | 53.90 | 46.74 | 45.80 | 38.45 | 48.62 | ||||||||||||
1928 | ----- | z | 39.38 | 47.42 | 42.87 | 55.77 | 56.80 | 58.55 | 58.26 | 53.10 | 48.03 | 41.70 | 37.94 | 49.07 | a | |||||||||||
1929 | 37.52 | 35.43 | 41.10 | 45.30 | 50.00 | 51.87 | ----- | z | ----- | z | 58.90 | 51.26 | 36.77 | 38.29 | 44.64 | b | ||||||||||
1930 | 41.94 | 42.61 | 46.81 | 50.23 | 50.32 | 57.03 | 60.77 | 61.71 | ----- | z | ----- | z | 43.74 | k | 33.23 | 49.41 | c | |||||||||
1931 | 38.62 | b | 44.75 | 41.90 | 50.50 | 57.65 | 60.30 | 66.68 | 65.55 | 55.77 | 51.61 | 40.41 | a | 37.23 | 50.91 | |||||||||||
1932 | 36.00 | 43.66 | 45.45 | 45.73 | 53.71 | 57.28 | a | 59.84 | 60.74 | 59.87 | 53.03 | 44.50 | 38.19 | 49.83 | ||||||||||||
1933 | 35.42 | 36.00 | 40.94 | 46.93 | 48.71 | 52.10 | 59.61 | 60.03 | 54.13 | 52.16 | 39.40 | 36.58 | 46.83 | |||||||||||||
1934 | 35.81 | 45.11 | 45.52 | 47.70 | 52.26 | 54.07 | 59.97 | 60.32 | 56.60 | 50.10 | 41.93 | 39.65 | 49.09 | |||||||||||||
1935 | 39.21 | q | 34.62 | l | 39.61 | 48.03 | 51.26 | 54.63 | 58.29 | 61.39 | 55.20 | 44.84 | 36.50 | 35.71 | 48.55 | b | ||||||||||
1936 | 36.10 | 42.45 | 44.97 | 46.97 | 50.29 | 53.33 | 61.55 | 60.64 | c | 53.97 | 49.65 | 40.17 | 38.65 | 48.23 | ||||||||||||
1937 | 30.91 | i | 38.82 | 41.19 | 43.77 | 52.74 | 54.67 | 60.00 | 59.55 | 58.23 | 46.77 | 41.97 | 38.68 | 48.76 | a | |||||||||||
1938 | 37.58 | 39.89 | 42.93 | a | 45.87 | 48.45 | 55.00 | 57.97 | 59.03 | 54.30 | 44.94 | 31.80 | 38.84 | 46.38 | ||||||||||||
1939 | 36.13 | 31.96 | 40.45 | 47.77 | 49.58 | 51.27 | 57.94 | 58.19 | 58.37 | 46.84 | 40.83 | 36.68 | 46.33 | |||||||||||||
1940 | 43.35 | 41.10 | 42.26 | 46.43 | 52.52 | 53.50 | 54.42 | 56.06 | 53.60 | 47.52 | 38.70 | 40.57 | a | 47.50 | ||||||||||||
1941 | 40.58 | 43.46 | 45.00 | 46.60 | 52.35 | 53.40 | 56.32 | 58.39 | 50.30 | 47.61 | 41.83 | 38.06 | 47.83 | |||||||||||||
1942 | 38.10 | 35.32 | 38.90 | 46.80 | 47.87 | 54.83 | 58.81 | 60.19 | 54.07 | 50.16 | 40.20 | 37.10 | 46.86 | |||||||||||||
1943 | 37.74 | 42.36 | 49.32 | 49.93 | 49.35 | 50.80 | 56.52 | 59.35 | 56.10 | 51.35 | 38.23 | 38.58 | 48.30 | |||||||||||||
1944 | 35.68 | 38.52 | 40.45 | 44.03 | 50.58 | 51.67 | 56.77 | 55.29 | 56.57 | 49.68 | 44.50 | 38.45 | 46.85 | |||||||||||||
1945 | 34.90 | 39.32 | 39.68 | 41.40 | 47.45 | 53.60 | 57.68 | 61.00 | 59.03 | 52.03 | 37.47 | 38.03 | 46.80 | |||||||||||||
1946 | 35.13 | 33.08 | b | 41.42 | 47.23 | 50.39 | 50.47 | 57.61 | 57.71 | 54.80 | 44.06 | 38.80 | 39.29 | 45.83 | ||||||||||||
1947 | 31.68 | 38.50 | 44.00 | 47.00 | 52.42 | 54.80 | 53.52 | 58.32 | 57.00 | 49.87 | 38.13 | 37.16 | 46.87 | |||||||||||||
1948 | 34.42 | 35.76 | 37.61 | 44.33 | 46.10 | 46.43 | 55.68 | 56.16 | 55.07 | 51.68 | 36.40 | 34.35 | 44.50 | |||||||||||||
1949 | 32.16 | 35.93 | 39.61 | 48.13 | 50.03 | 55.37 | 57.00 | 55.03 | 55.17 | 44.68 | 41.53 | 32.87 | 45.63 | |||||||||||||
1950 | 31.35 | 37.54 | 39.29 | 45.73 | 45.84 | 50.37 | 55.87 | 53.16 | 52.23 | 46.45 | 42.07 | 40.03 | 44.99 | |||||||||||||
1951 | 36.13 | 37.50 | 38.80 | a | 48.63 | 49.58 | 54.63 | 58.29 | 57.68 | 55.90 | 48.84 | 42.50 | 38.71 | 47.27 | ||||||||||||
1952 | 37.06 | 37.62 | 40.26 | 47.27 | 51.32 | 51.10 | 56.68 | 57.74 | 56.63 | 49.55 | 39.70 | 37.23 | 46.85 | |||||||||||||
1953 | 41.03 | 34.29 | 41.06 | 45.30 | 46.13 | 51.43 | 60.23 | 56.13 | 53.53 | 46.84 | 42.67 | 33.23 | 45.99 | |||||||||||||
1954 | 37.13 | 40.64 | 42.58 | 49.73 | 52.35 | 54.11 | c | 61.39 | 58.48 | 53.63 | 45.87 | 43.40 | 37.03 | 48.03 | ||||||||||||
1955 | 36.06 | 35.46 | 41.77 | 41.77 | 49.94 | 54.63 | 58.06 | 60.74 | 58.43 | 48.84 | 41.43 | 40.13 | 47.27 | |||||||||||||
1956 | 38.55 | 32.41 | 38.35 | 45.37 | 51.10 | 55.07 | a | 58.58 | 56.71 | 55.40 | 48.39 | 38.77 | ----- | z | 47.15 | a | ||||||||||
1957 | 40.61 | 44.75 | 42.16 | 45.63 | 49.55 | 56.67 | 58.10 | 60.16 | 56.00 | 49.97 | 40.67 | 39.55 | 48.65 | |||||||||||||
1958 | 36.06 | 43.96 | 41.35 | 46.47 | 52.45 | 55.10 | 58.48 | 62.71 | 56.60 | 53.52 | 40.23 | 38.90 | 48.82 | |||||||||||||
1959 | 39.23 | 39.43 | 42.94 | 51.60 | 52.10 | 56.93 | 62.13 | 61.71 | 59.57 | 51.48 | 42.60 | 41.23 | 50.08 | |||||||||||||
1960 | 36.45 | 40.28 | 45.65 | 46.40 | 50.35 | 55.43 | 58.87 | 58.39 | 58.73 | 48.68 | 42.37 | 34.90 | 48.04 | |||||||||||||
1961 | 37.81 | 39.50 | 42.39 | 46.00 | 50.13 | 55.10 | 59.74 | 61.45 | 53.87 | 49.84 | 42.73 | 38.65 | 48.10 | |||||||||||||
1962 | 38.06 | 42.39 | 39.32 | 47.93 | 49.87 | 54.17 | 57.94 | 57.87 | 57.13 | 50.77 | 43.77 | 39.10 | 48.19 | |||||||||||||
1963 | 37.90 | 47.21 | 40.61 | 43.17 | 52.61 | 54.77 | 55.71 | 60.06 | 59.30 | 54.45 | 44.47 | 35.87 | 48.85 | |||||||||||||
1964 | 34.61 | 36.38 | 40.87 | 45.80 | 49.03 | 53.90 | 57.42 | 61.19 | 55.10 | 55.84 | 41.97 | 42.58 | 47.89 | |||||||||||||
1965 | 39.39 | 38.29 | 44.13 | 46.83 | 51.10 | 54.60 | 56.03 | 61.77 | 55.13 | 51.16 | 47.97 | 40.29 | 48.89 | |||||||||||||
1966 | 36.42 | 37.46 | 43.58 | 49.53 | 54.06 | 56.60 | 57.71 | 62.26 | 57.40 | 52.35 | 46.70 | 41.10 | 49.60 | |||||||||||||
1967 | 37.84 | 38.93 | 46.03 | 42.13 | 50.52 | 53.30 | 60.58 | 63.84 | 62.83 | 51.90 | 49.23 | 37.29 | 49.54 | |||||||||||||
1968 | 37.55 | 46.07 | 43.97 | 46.47 | 51.48 | 54.93 | 60.45 | 58.61 | 58.03 | 50.65 | 44.20 | 36.00 | 49.03 | |||||||||||||
1969 | 44.13 | 41.57 | 40.26 | 47.60 | 52.97 | 56.97 | 58.48 | 60.68 | 58.90 | 47.23 | 46.50 | 40.87 | 49.68 | |||||||||||||
1970 | 41.39 | 41.29 | 44.03 | 43.57 | 50.48 | 55.57 | 60.10 | 61.42 | 54.13 | 52.03 | 45.13 | 39.90 | 49.09 | |||||||||||||
1971 | 39.39 | 39.79 | 42.84 | 44.70 | 50.10 | 53.60 | 58.32 | 63.10 | 57.90 | 46.16 | 40.67 | 36.97 | 47.79 | |||||||||||||
1972 | 35.00 | 40.62 | 47.68 | 45.43 | 53.00 | 58.40 | 61.19 | 62.81 | 58.90 | 52.83 | a | 41.70 | 39.16 | 49.73 | ||||||||||||
1973 | 37.00 | 44.11 | 42.84 | 45.57 | 52.61 | 56.90 | 59.03 | 60.55 | 56.67 | 49.26 | 43.17 | 39.45 | 48.93 | |||||||||||||
1974 | 41.55 | 37.75 | 45.61 | 44.67 | 53.19 | 56.17 | 61.00 | 60.00 | 60.03 | 54.23 | 43.93 | 37.26 | 49.62 | |||||||||||||
1975 | 38.23 | 39.75 | 43.23 | 45.33 | 51.16 | 54.87 | 59.06 | 56.84 | 59.67 | 49.94 | 41.50 | 38.74 | 48.19 | |||||||||||||
1976 | 38.45 | 43.48 | 42.29 | 46.07 | 54.61 | 55.40 | 61.74 | 58.90 | 63.00 | 54.94 | 46.77 | 37.61 | 50.27 | |||||||||||||
1977 | 41.80 | a | 41.71 | 40.45 | 48.30 | 49.71 | 56.27 | 58.81 | 62.03 | 60.57 | 55.13 | 45.03 | 48.43 | a | 50.69 | |||||||||||
1978 | 44.52 | 45.75 | 50.42 | 48.10 | 52.06 | 57.47 | 59.06 | 60.06 | 58.90 | 55.39 | 43.11 | b | 35.81 | 50.89 | ||||||||||||
1979 | 40.74 | 39.04 | 43.26 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 41.01 | i | |||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 37.05 | 39.59 | 42.14 | 45.71 | 50.35 | 53.85 | 57.86 | 58.45 | 54.92 | 48.46 | 40.93 | 37.33 | 47.35 | |||||||||||||
S.D. | 3.15 | 3.64 | 3.17 | 3.01 | 2.66 | 2.80 | 2.69 | 2.82 | 3.64 | 3.77 | 3.74 | 3.76 | 2.06 | |||||||||||||
SKEW | -0.36 | -0.16 | 0.06 | -0.44 | -0.31 | -0.17 | -0.45 | -0.38 | -0.51 | -0.20 | 0.30 | -0.04 | -0.69 | |||||||||||||
MAX | 44.52 | 47.21 | 50.42 | 54.47 | 57.65 | 61.43 | 66.68 | 65.55 | 63.00 | 55.84 | 53.80 | 48.43 | 50.91 | |||||||||||||
MIN | 25.71 | 31.36 | 32.71 | 36.00 | 42.45 | 46.43 | 49.39 | 50.29 | 43.30 | 39.10 | 31.80 | 26.42 | 41.78 | |||||||||||||
YRS | 82 | 83 | 82 | 83 | 82 | 83 | 84 | 84 | 83 | 83 | 83 | 85 | 72 |