YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1894 | 42.74 | 42.78 | a | 49.13 | 54.93 | 60.68 | 66.50 | 74.48 | 75.74 | 64.03 | 56.10 | a | 51.37 | 44.26 | 56.90 | |||||||||||
1895 | 43.37 | a | 49.78 | a | 51.90 | a | 58.30 | 63.00 | 70.50 | 72.84 | 71.61 | 63.00 | 57.94 | 49.10 | a | 46.10 | 58.12 | |||||||||
1896 | 46.87 | a | 50.34 | 49.90 | a | 54.37 | 59.77 | 69.37 | 78.42 | 71.90 | 64.53 | 59.58 | 42.53 | 48.55 | 58.01 | |||||||||||
1897 | 43.87 | 46.46 | 45.68 | 61.50 | 68.00 | 68.03 | 71.61 | 78.16 | 63.90 | 57.52 | 47.83 | 46.20 | a | 58.23 | ||||||||||||
1898 | 43.94 | 51.21 | 50.16 | 58.33 | 67.03 | 70.37 | 74.55 | 75.19 | 69.13 | 58.81 | 49.10 | 45.03 | 59.40 | |||||||||||||
1899 | 44.77 | a | 44.00 | a | 49.90 | 55.67 | 58.19 | 65.53 | 74.87 | 67.58 | 69.67 | 57.45 | 56.73 | 47.97 | 57.69 | |||||||||||
1900 | 48.71 | 47.11 | 57.19 | 60.00 | 63.52 | 70.13 | 74.19 | 70.65 | 65.83 | 57.45 | 49.87 | 49.55 | 59.52 | |||||||||||||
1901 | 44.23 | 48.68 | 52.32 | 55.63 | 63.16 | 64.20 | 70.65 | 76.00 | 65.83 | 64.19 | 53.97 | 46.55 | 58.78 | |||||||||||||
1902 | 44.39 | 51.57 | 50.84 | 57.40 | 63.97 | 68.80 | 72.87 | 74.10 | 66.47 | 60.55 | 49.93 | 45.87 | 58.90 | |||||||||||||
1903 | 46.77 | 46.64 | 49.45 | 55.00 | 62.58 | 69.87 | 70.00 | 70.84 | 64.37 | 59.35 | 50.43 | 46.77 | 57.67 | |||||||||||||
1904 | 45.42 | 44.24 | 47.87 | 61.00 | 63.58 | 68.93 | 73.00 | 73.19 | 70.13 | 59.58 | 54.13 | 48.10 | 59.10 | |||||||||||||
1905 | 45.29 | 49.93 | 56.13 | 61.63 | 62.19 | 66.83 | 73.48 | 70.55 | 65.83 | 54.74 | 51.43 | 47.39 | 58.79 | |||||||||||||
1906 | 46.29 | 49.75 | 52.74 | 61.83 | 61.81 | 65.93 | 77.87 | 74.45 | 66.23 | 60.00 | 49.53 | 46.65 | 59.42 | |||||||||||||
1907 | 38.55 | 46.25 | 49.10 | 57.50 | 65.77 | 67.97 | 74.19 | 68.71 | 65.30 | 57.77 | 53.13 | 47.87 | 57.68 | |||||||||||||
1908 | 46.10 | 46.97 | 50.06 | 56.60 | 58.58 | 67.10 | 74.35 | 70.77 | 65.03 | 57.03 | 53.73 | 43.55 | 57.49 | |||||||||||||
1909 | 38.58 | 46.29 | 50.32 | 55.13 | 60.03 | 67.90 | 68.10 | 70.03 | 68.30 | 57.84 | 49.70 | 40.16 | 56.03 | |||||||||||||
1910 | 43.32 | 43.50 | 54.32 | 56.40 | 65.39 | 65.03 | 71.39 | 67.68 | 64.80 | 57.71 | 49.77 | 46.74 | 57.17 | |||||||||||||
1911 | 41.71 | 45.07 | 53.65 | 54.80 | 59.87 | 64.67 | 74.61 | 71.35 | 63.37 | 59.29 | 49.30 | 44.68 | 56.86 | |||||||||||||
1912 | 47.23 | 49.07 | 51.55 | 54.37 | 65.32 | 68.23 | 71.48 | 69.42 | 66.93 | 55.87 | 50.80 | 45.52 | 57.98 | |||||||||||||
1913 | 40.35 | 45.39 | 47.65 | 56.30 | 60.87 | 67.07 | 71.74 | 73.52 | 66.50 | 55.39 | 50.90 | 47.26 | 56.91 | |||||||||||||
1914 | 47.65 | 47.64 | 53.77 | 59.13 | 65.68 | 67.10 | 73.90 | 72.39 | 62.83 | 60.71 | 51.90 | 44.58 | 58.94 | |||||||||||||
1915 | 45.45 | 49.75 | 57.29 | 60.33 | 63.39 | 67.33 | 72.48 | 76.29 | 66.07 | 59.68 | 48.20 | 46.29 | 59.38 | |||||||||||||
1916 | 35.58 | 47.90 | 49.58 | 56.23 | 59.35 | 66.77 | 68.48 | 72.26 | 66.70 | 55.94 | 48.23 | 41.52 | 55.71 | |||||||||||||
1917 | 42.13 | 43.14 | 46.74 | 52.63 | 59.16 | 65.00 | 72.90 | 75.16 | 65.77 | 58.23 | 55.20 | 49.39 | 57.12 | |||||||||||||
1918 | 47.68 | 44.68 | 49.87 | 58.80 | 59.81 | 70.60 | 71.32 | 70.52 | 71.20 | 58.48 | 50.50 | 45.32 | 58.23 | |||||||||||||
1919 | 46.19 | 45.11 | 50.74 | 56.57 | 61.61 | 65.57 | 72.52 | 71.77 | 67.07 | 53.58 | 48.87 | 43.58 | 56.93 | |||||||||||||
1920 | 44.65 | 46.28 | 50.68 | 52.67 | 59.74 | 66.60 | 73.45 | 74.23 | 63.97 | 54.84 | 52.47 | 46.81 | 57.20 | |||||||||||||
1921 | 44.81 | 47.61 | 50.32 | 54.53 | 61.45 | 66.70 | 69.29 | 70.00 | 63.77 | 59.32 | 49.57 | 43.42 | 56.73 | |||||||||||||
1922 | 39.81 | 44.75 | 46.97 | 53.37 | 62.84 | 69.73 | 72.94 | 70.26 | 67.30 | 58.45 | 49.20 | 42.65 | 56.52 | |||||||||||||
1923 | 44.35 | 42.79 | 50.39 | 58.30 | 61.10 | 68.67 | 73.35 | 75.29 | 68.63 | 61.19 | 52.17 | 46.32 | 58.55 | |||||||||||||
1924 | 45.23 | 50.79 | 50.45 | 56.17 | 66.00 | 68.37 | 72.68 | 70.45 | 67.67 | 58.42 | 49.73 | 41.68 | 58.14 | |||||||||||||
1925 | 46.55 | 50.07 | 50.55 | 57.50 | 66.55 | 68.70 | 74.65 | 70.65 | 66.43 | 57.29 | 51.13 | 49.42 | 59.12 | |||||||||||||
1926 | 46.65 | 51.57 | 57.90 | 64.50 | 63.74 | 71.67 | 75.71 | 72.35 | 65.37 | 60.87 | 54.30 | 45.58 | 60.85 | |||||||||||||
1927 | 44.16 | 50.18 | 49.55 | 56.40 | 58.97 | 69.53 | 74.81 | 73.84 | 64.87 | 59.03 | 50.10 | 42.35 | 57.82 | |||||||||||||
1928 | 46.71 | 48.28 | 54.42 | 55.27 | 66.81 | 66.73 | 73.77 | 71.65 | 65.30 | 56.26 | 51.13 | 45.84 | 58.51 | |||||||||||||
1929 | 38.90 | 41.64 | 51.13 | 53.93 | 62.81 | 66.50 | 73.74 | 74.26 | 69.53 | 62.45 | 50.03 | 47.45 | 57.70 | |||||||||||||
1930 | 37.61 | 49.82 | 53.29 | 59.50 | 61.13 | 66.67 | 71.87 | 74.84 | 66.13 | 56.97 | 49.77 | 48.10 | 57.97 | |||||||||||||
1931 | 50.23 | 50.29 | 53.03 | 60.37 | 67.13 | 67.10 | 74.39 | 73.61 | 65.23 | 58.48 | 47.93 | 46.00 | 59.48 | |||||||||||||
1932 | 42.37 | a | 45.76 | 51.48 | 57.53 | 61.94 | 70.73 | 68.52 | 71.03 | 69.30 | 59.68 | 53.43 | 43.23 | 57.92 | ||||||||||||
1933 | 43.16 | 42.36 | 50.87 | 56.67 | 60.32 | 68.53 | 73.63 | a | 76.68 | 64.30 | 60.19 | 50.60 | 49.03 | 58.03 | ||||||||||||
1934 | 49.90 | b | 55.71 | 59.45 | 64.93 | 67.13 | 71.03 | 72.35 | 76.14 | b | 66.40 | 62.03 | 54.20 | 48.06 | 62.28 | |||||||||||
1935 | 46.26 | 50.57 | 49.35 | 59.37 | 66.13 | 69.80 | 74.35 | 73.74 | 71.43 | 57.68 | 49.10 | 49.65 | 59.79 | |||||||||||||
1936 | 48.42 | 41.86 | 50.00 | 61.87 | 67.55 | 71.17 | 75.10 | 76.00 | 67.73 | 61.90 | 52.67 | 47.71 | 60.16 | |||||||||||||
1937 | 36.19 | 46.46 | 55.61 | 55.67 | 65.42 | 71.40 | 75.32 | 72.77 | 68.50 | 63.71 | 53.37 | 49.00 | 59.45 | |||||||||||||
1938 | 47.06 | 50.71 | 52.94 | 61.60 | 67.32 | 72.37 | 77.94 | 72.42 | 71.87 | 61.94 | 50.63 | 48.03 | 61.24 | |||||||||||||
1939 | 48.16 | 45.21 | 52.94 | 62.23 | 66.45 | 67.40 | 75.77 | 76.71 | 69.43 | 60.29 | 56.33 | 52.00 | 61.08 | |||||||||||||
1940 | 50.68 | 51.86 | 56.35 | 61.47 | 69.39 | 74.57 | 75.16 | 75.16 | 71.83 | 62.84 | 49.77 | 50.84 | 62.49 | |||||||||||||
1941 | 51.26 | 55.07 | 61.61 | 63.70 | 65.23 | 70.40 | 80.00 | 73.74 | 64.83 | 59.97 | 53.93 | 48.42 | 62.35 | |||||||||||||
1942 | 47.97 | 49.11 | 53.71 | 60.07 | 63.65 | 68.47 | 76.48 | 77.55 | 69.73 | 62.32 | 50.47 | 47.77 | 60.61 | |||||||||||||
1943 | 40.94 | 51.39 | 52.55 | 61.50 | 62.13 | 68.40 | 73.58 | 72.32 | 72.40 | 60.10 | 53.63 | 48.26 | 59.77 | |||||||||||||
1944 | 49.45 | 48.93 | 53.19 | 59.57 | 65.77 | 69.53 | 75.32 | 72.87 | 71.70 | 64.55 | 53.40 | 46.97 | 60.94 | |||||||||||||
1945 | 49.19 | 49.39 | 49.97 | 55.57 | 66.97 | 69.43 | 77.48 | 74.84 | 67.23 | 60.97 | 50.33 | 47.48 | 59.91 | |||||||||||||
1946 | 47.52 | 49.32 | 52.23 | 58.00 | 69.29 | 68.00 | 75.45 | 74.52 | 68.60 | 56.77 | 49.47 | 45.81 | 59.58 | |||||||||||||
1947 | 43.16 | 52.61 | 57.58 | 62.40 | 69.65 | 69.57 | 74.71 | 73.39 | 69.10 | 59.77 | 50.07 | 49.03 | 60.92 | |||||||||||||
1948 | 46.10 | 46.72 | 51.48 | 54.50 | 62.00 | 72.53 | 73.45 | 70.00 | 67.47 | 59.06 | 49.70 | 43.39 | 58.03 | |||||||||||||
1949 | 38.90 | 45.32 | 53.97 | 59.53 | 68.81 | 70.53 | 73.19 | 73.29 | 71.30 | 57.16 | 56.87 | 46.06 | 59.58 | |||||||||||||
1950 | 33.35 | 48.29 | 50.06 | 57.57 | 62.35 | 70.50 | 75.52 | 76.26 | 69.83 | 57.77 | 51.20 | 51.77 | 58.71 | |||||||||||||
1951 | 45.06 | 49.29 | 48.68 | 63.17 | 65.52 | 74.27 | 77.10 | 73.94 | 70.80 | 59.42 | 52.83 | 43.97 | 60.34 | |||||||||||||
1952 | 43.84 | 48.90 | 51.35 | 60.73 | 65.48 | 66.63 | 75.81 | 74.90 | 72.20 | 64.06 | 51.10 | 49.45 | 60.37 | |||||||||||||
1953 | 51.06 | 48.82 | 51.90 | 56.87 | 64.13 | 65.17 | 74.23 | 74.16 | 69.90 | 61.68 | 54.57 | 48.74 | 60.10 | |||||||||||||
1954 | 43.03 | 50.54 | 51.94 | 55.33 | 65.00 | 65.17 | 70.29 | 68.71 | 66.77 | 59.87 | 55.20 | 48.00 | 58.32 | |||||||||||||
1955 | 46.03 | 46.00 | 46.68 | 54.23 | 60.39 | 67.50 | 69.65 | 71.90 | 67.30 | 58.45 | 45.87 | 45.87 | 56.66 | |||||||||||||
1956 | 45.81 | 42.24 | 48.71 | 60.60 | 68.84 | 65.50 | 76.55 | 74.32 | 67.10 | 57.87 | 50.73 | 47.39 | 58.80 | |||||||||||||
1957 | 40.84 | 47.68 | 52.06 | 59.37 | 68.52 | 69.70 | 71.35 | 72.84 | 74.83 | 59.68 | 51.43 | 50.39 | 59.89 | |||||||||||||
1958 | 50.23 | 54.93 | 53.71 | 59.97 | 71.77 | 73.80 | 82.35 | 78.68 | 69.33 | 63.00 | 50.57 | 51.74 | 63.34 | |||||||||||||
1959 | 46.58 | 48.11 | 51.87 | 59.17 | 64.19 | 69.50 | 77.87 | 72.68 | 65.10 | 59.10 | 51.73 | 47.35 | 59.44 | |||||||||||||
1960 | 45.81 | 49.41 | 51.94 | 59.37 | 61.77 | 70.00 | 78.90 | 70.90 | 67.27 | 60.26 | 51.77 | 47.45 | 59.57 | |||||||||||||
1961 | 51.42 | 50.61 | 53.61 | 55.97 | 63.94 | 73.93 | 77.68 | 79.45 | 68.87 | 58.65 | 50.00 | 45.94 | 60.84 | |||||||||||||
1962 | 45.68 | 50.39 | 51.26 | 60.17 | 60.03 | 69.67 | 74.61 | 72.42 | 69.87 | 61.23 | 52.87 | 49.16 | 59.78 | |||||||||||||
1963 | 41.23 | 55.82 | 52.55 | 56.77 | 67.19 | 66.83 | 70.87 | 73.65 | 72.43 | 61.52 | 51.40 | 48.26 | 59.88 | |||||||||||||
1964 | 47.26 | 49.79 | 51.94 | 56.17 | 63.84 | 66.87 | 73.29 | 71.87 | 67.33 | 62.00 | 48.63 | 43.16 | 58.51 | |||||||||||||
1965 | 46.19 | 48.61 | 56.81 | 59.27 | 62.13 | 71.73 | 77.55 | 74.23 | 66.57 | 63.39 | 55.07 | 46.87 | 60.70 | |||||||||||||
1966 | 47.29 | 51.11 | 54.61 | 59.27 | 65.29 | 68.60 | 72.42 | 75.32 | 70.67 | 59.90 | 52.77 | 50.35 | 60.63 | |||||||||||||
1967 | 48.52 | 50.79 | 50.42 | 55.43 | 65.06 | 74.37 | 76.52 | 82.06 | 75.80 | 60.97 | 54.50 | 47.03 | 61.79 | |||||||||||||
1968 | 47.13 | 57.72 | 55.61 | 57.43 | 66.32 | 69.63 | 78.97 | 72.16 | 67.37 | 59.13 | 53.50 | 43.23 | 60.68 | |||||||||||||
1969 | 37.90 | 48.46 | 55.00 | 57.33 | 68.71 | 73.70 | 73.90 | 71.48 | 67.37 | 59.94 | 51.90 | 49.35 | 59.59 | |||||||||||||
1970 | 46.74 | 54.32 | 54.77 | 56.13 | 65.61 | 73.57 | 75.65 | 74.39 | 66.97 | 58.52 | 52.37 | 44.39 | 60.28 | |||||||||||||
1971 | 45.29 | 47.07 | 48.77 | 58.33 | 63.94 | 64.90 | 76.06 | 78.29 | 68.07 | 57.10 | 50.50 | 42.81 | 58.43 | |||||||||||||
1972 | 42.16 | 48.03 | 53.52 | 54.93 | 67.13 | 67.23 | 74.68 | 75.77 | 64.40 | 57.16 | ----- | z | ----- | z | 60.50 | b | ||||||||||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 44.83 | 48.39 | 52.02 | 58.01 | 64.09 | 68.80 | 74.13 | 73.35 | 67.62 | 59.32 | 51.31 | 46.72 | 59.06 | |||||||||||||
S.D. | 3.79 | 3.39 | 3.00 | 2.86 | 3.09 | 2.55 | 2.70 | 2.71 | 2.77 | 2.32 | 2.45 | 2.52 | 1.59 | |||||||||||||
SKEW | -0.72 | 0.21 | 0.61 | 0.30 | 0.09 | 0.43 | 0.19 | 0.40 | 0.58 | 0.10 | -0.20 | -0.26 | 0.28 | |||||||||||||
MAX | 51.42 | 57.72 | 61.61 | 64.93 | 71.77 | 74.57 | 82.35 | 82.06 | 75.80 | 64.55 | 56.87 | 52.00 | 63.34 | |||||||||||||
MIN | 33.35 | 41.64 | 45.68 | 52.63 | 58.19 | 64.20 | 68.10 | 67.58 | 62.83 | 53.58 | 42.53 | 40.16 | 55.71 | |||||||||||||
YRS | 79 | 79 | 79 | 79 | 79 | 79 | 79 | 79 | 79 | 79 | 78 | 78 | 78 |