YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1913 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 45.50 | n | ----- | z |
1914 | 48.94 | g | 50.73 | 55.06 | d | 54.03 | 55.16 | 65.25 | 70.87 | 69.84 | 68.30 | 61.11 | 58.38 | 45.69 | 59.49 | a | ||||||||||
1915 | 51.94 | 48.52 | c | 52.13 | 51.90 | ----- | z | ----- | z | 67.43 | a | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 54.38 | g | |||
1916 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 69.35 | 55.05 | 50.88 | a | 45.79 | 55.27 | h | |||
1917 | 44.24 | 47.62 | 49.66 | 55.60 | 58.65 | 70.80 | 73.39 | 68.18 | i | 65.79 | a | 64.63 | 57.45 | 52.19 | 58.18 | a | ||||||||||
1918 | 50.16 | 53.84 | 56.15 | 60.45 | 59.94 | 73.57 | 74.95 | 76.11 | 72.67 | a | 65.13 | 55.70 | 49.45 | 62.34 | ||||||||||||
1919 | 51.31 | 48.62 | 52.56 | 60.18 | 63.23 | 68.30 | 76.34 | 75.03 | 71.60 | 58.19 | 50.97 | 54.21 | s | 61.49 | a | |||||||||||
1920 | 52.76 | 52.98 | 52.45 | 54.35 | 61.71 | 65.77 | 75.92 | 74.71 | 68.62 | 58.34 | 53.13 | 48.02 | 59.90 | |||||||||||||
1921 | 48.00 | 51.00 | 54.84 | 56.00 | b | 58.39 | 66.88 | 77.32 | 75.11 | 68.83 | a | 64.47 | a | 55.82 | 54.48 | 60.93 | ||||||||||
1922 | 47.06 | 48.60 | b | 50.85 | 53.75 | 63.98 | 71.23 | 75.18 | 79.06 | 77.57 | 63.85 | 52.57 | 46.73 | i | 62.16 | a | ||||||||||
1923 | ----- | z | 44.07 | a | 50.08 | 49.92 | 61.77 | 64.23 | 73.37 | 72.87 | 72.32 | 63.55 | 58.93 | 49.53 | 60.06 | a | ||||||||||
1924 | 47.88 | f | 54.47 | 49.18 | 54.30 | 66.06 | 72.90 | 76.69 | 76.29 | 76.53 | 62.63 | a | 58.29 | a | 49.13 | 63.32 | a | |||||||||
1925 | 49.21 | 54.02 | 55.00 | 57.53 | 64.53 | 70.07 | 80.11 | 77.37 | 70.12 | 60.81 | b | 54.77 | 53.06 | 62.22 | ||||||||||||
1926 | 47.97 | 53.86 | 57.26 | 60.65 | 64.29 | 71.36 | a | 78.85 | 77.11 | 70.37 | 65.53 | 60.47 | 48.56 | 63.02 | ||||||||||||
1927 | 49.95 | 51.57 | 52.52 | 57.03 | 64.22 | b | 68.05 | 77.05 | 76.52 | 70.40 | 66.15 | 59.93 | 48.55 | 61.83 | ||||||||||||
1928 | 54.61 | 53.29 | 57.11 | 59.37 | 64.82 | 68.90 | 74.26 | 76.48 | 74.83 | 63.56 | 56.75 | 50.29 | 62.86 | |||||||||||||
1929 | 47.19 | 46.71 | 52.98 | 54.78 | 64.06 | 68.78 | 76.27 | 81.03 | 71.38 | 67.58 | 58.55 | 56.42 | 62.15 | |||||||||||||
1930 | 49.13 | 55.79 | 54.45 | 61.00 | 57.79 | 67.85 | 76.58 | 76.11 | 68.07 | 61.82 | 57.28 | 49.02 | 61.24 | |||||||||||||
1931 | 49.55 | 51.73 | 56.79 | 61.70 | 67.53 | 69.52 | 80.45 | 78.69 | 71.27 | 64.42 | 52.83 | 47.34 | 62.65 | |||||||||||||
1932 | 45.31 | 49.28 | 55.97 | 59.28 | 62.74 | 68.12 | 73.63 | 75.02 | 72.32 | 64.05 | 61.80 | 47.98 | 61.29 | |||||||||||||
1933 | 46.63 | 47.46 | 55.35 | 55.62 | 57.69 | 68.60 | 75.40 | 75.44 | 66.83 | 67.79 | 59.60 | 52.39 | 60.73 | |||||||||||||
1934 | 51.63 | 54.14 | 62.13 | 63.28 | 68.39 | 64.98 | 76.84 | 76.79 | 72.84 | a | 65.10 | 56.20 | 53.19 | 63.79 | ||||||||||||
1935 | 49.31 | 52.46 | 50.19 | 58.50 | 62.56 | 73.67 | 78.29 | 79.13 | 73.97 | 61.74 | 53.38 | 52.68 | 62.16 | |||||||||||||
1936 | 51.18 | 51.26 | 56.27 | 61.32 | 69.35 | ----- | z | ----- | z | ----- | z | 74.53 | 64.84 | 57.12 | a | 51.44 | 59.70 | c | ||||||||
1937 | 41.90 | 50.46 | 55.47 | ----- | z | 63.85 | 70.62 | 77.47 | 79.06 | 76.25 | 67.66 | 59.58 | 56.69 | 63.55 | a | |||||||||||
1938 | 53.89 | 50.52 | 53.10 | 59.03 | 63.58 | 69.60 | 74.95 | 77.61 | 77.90 | 65.79 | 56.88 | 54.55 | 63.12 | |||||||||||||
1939 | 51.35 | 47.11 | 53.38 | a | 62.98 | 65.06 | 69.20 | 76.45 | 77.44 | 73.57 | 65.11 | 60.18 | 57.63 | 63.29 | ||||||||||||
1940 | 53.90 | 52.83 | 57.32 | 60.65 | 67.65 | 69.83 | 76.37 | 75.73 | 71.57 | 66.63 | 57.16 | a | 55.82 | 63.79 | ||||||||||||
1941 | 50.44 | 54.54 | 55.94 | 55.35 | 65.78 | b | 67.72 | a | 76.95 | 74.18 | 67.93 | 60.97 | 58.10 | a | 50.52 | 61.53 | ||||||||||
1942 | 51.26 | 48.45 | 51.42 | a | 55.53 | 62.19 | 67.70 | 77.92 | 76.79 | 70.03 | 64.03 | 57.88 | 53.48 | 61.39 | ||||||||||||
1943 | 51.38 | a | 52.88 | c | 55.61 | 59.50 | 64.95 | 67.30 | 74.56 | 75.98 | 75.73 | 66.53 | 58.58 | 49.34 | b | 62.70 | ||||||||||
1944 | 48.81 | 48.86 | 52.80 | a | 56.90 | 63.00 | 63.67 | 71.45 | 75.84 | 70.57 | 64.45 | a | 54.10 | 54.37 | 60.40 | |||||||||||
1945 | 49.87 | 50.77 | 49.19 | 54.42 | 61.53 | 65.10 | 75.19 | 77.65 | 74.58 | 67.63 | 56.75 | 50.90 | b | 61.13 | ||||||||||||
1946 | 50.08 | 49.19 | a | 53.31 | 60.17 | 62.45 | 71.43 | 76.16 | 78.65 | 75.45 | 60.66 | 51.90 | 51.71 | 61.76 | ||||||||||||
1947 | 47.27 | 53.73 | 55.56 | 59.88 | 65.26 | 68.13 | 80.69 | 79.21 | ----- | z | 66.95 | a | 52.65 | 49.05 | a | 61.67 | a | |||||||||
1948 | 51.16 | 47.93 | 49.19 | 55.63 | g | 61.82 | 66.43 | 73.93 | h | 74.53 | 76.12 | d | 63.74 | 54.95 | 47.17 | a | 59.30 | b | ||||||||
1949 | 39.77 | 45.79 | 50.34 | 59.10 | 61.94 | 69.45 | 73.47 | a | 73.71 | 73.40 | 60.48 | 60.68 | 48.50 | 59.72 | ||||||||||||
1950 | 45.30 | a | 51.61 | 53.69 | 59.60 | 59.63 | a | 65.88 | 76.45 | 72.76 | 67.66 | a | 66.94 | 58.93 | 54.13 | a | 61.05 | |||||||||
1951 | 47.35 | 49.29 | 53.31 | 57.65 | 61.41 | b | 66.23 | 76.08 | f | 74.19 | 71.22 | 62.58 | 54.22 | 46.40 | 58.53 | a | ||||||||||
1952 | 44.95 | 49.29 | 48.87 | 57.20 | 66.55 | a | 65.15 | 76.77 | a | 78.32 | a | 76.33 | 66.70 | a | 52.03 | 48.36 | b | 60.88 | ||||||||
1953 | 52.55 | 49.11 | 51.45 | 55.13 | 57.17 | a | 65.62 | 76.32 | i | 75.48 | b | 72.29 | d | 68.17 | p | 58.13 | 49.92 | a | 58.68 | b | ||||||
1954 | 47.65 | h | 55.98 | a | 51.58 | 59.30 | b | 62.92 | a | 66.95 | 78.26 | b | 71.45 | 71.95 | a | 63.10 | 58.07 | 49.24 | 62.62 | a | ||||||
1955 | 45.37 | 48.46 | 53.48 | b | 57.14 | i | 60.45 | a | 66.68 | 72.29 | 78.65 | 74.70 | b | 62.95 | 54.50 | 50.83 | a | 60.76 | a | |||||||
1956 | 49.35 | a | 44.86 | 53.41 | b | 55.69 | a | 61.82 | 70.10 | 75.27 | 71.00 | a | 75.22 | 61.23 | 55.48 | 50.48 | 60.33 | |||||||||
1957 | 47.17 | a | 53.31 | a | 53.18 | 55.70 | b | 58.26 | 70.60 | 75.84 | 75.55 | 69.43 | 59.77 | 50.85 | 51.26 | 60.08 | ||||||||||
1958 | 47.66 | 51.63 | a | 48.37 | 56.88 | 65.13 | 68.08 | 72.40 | 76.85 | 72.45 | a | 66.50 | 53.55 | 52.39 | 60.99 | |||||||||||
1959 | 50.53 | a | 46.71 | 56.42 | 62.22 | 60.55 | a | 70.22 | 78.76 | 74.76 | 69.83 | 64.23 | 56.90 | 50.42 | 61.80 | |||||||||||
1960 | 44.35 | 47.12 | a | 54.94 | 57.75 | 61.50 | 70.60 | 77.77 | 74.79 | 74.48 | 62.35 | 53.33 | 47.50 | 60.54 | ||||||||||||
1961 | 50.60 | 51.12 | 51.84 | 58.63 | 59.88 | a | 70.62 | 75.48 | 76.34 | 67.86 | a | 63.26 | 52.25 | 49.02 | 60.58 | |||||||||||
1962 | 48.53 | 48.52 | a | 48.02 | 60.52 | 59.27 | 66.60 | 72.87 | a | 77.27 | 72.22 | 62.65 | 54.61 | c | 50.97 | 60.17 | ||||||||||
1963 | 46.12 | a | 56.61 | 51.26 | 54.00 | 62.29 | 65.32 | 73.79 | 75.27 | 73.95 | 65.21 | 54.42 | 50.10 | 60.69 | ||||||||||||
1964 | 45.52 | 47.22 | 49.74 | 54.73 | 59.15 | 66.25 | 76.35 | 75.02 | 68.07 | a | 68.48 | 51.77 | 49.81 | 59.34 | ||||||||||||
1965 | 49.47 | 48.68 | 51.18 | 56.32 | 60.16 | 62.08 | 72.24 | 76.58 | a | 65.67 | 65.35 | 56.28 | 49.32 | 59.44 | ||||||||||||
1966 | 46.69 | 46.73 | 54.63 | 59.98 | 64.27 | 68.50 | a | 74.52 | 77.05 | 70.77 | 62.22 | a | 55.82 | 50.65 | 60.99 | |||||||||||
1967 | 49.11 | 50.76 | a | 52.43 | a | 49.72 | 61.27 | 63.68 | 76.69 | 80.03 | 71.82 | 65.63 | 58.86 | a | 46.23 | 60.52 | ||||||||||
1968 | 47.56 | 55.10 | 53.35 | 55.75 | 62.24 | 67.77 | 75.05 | a | 72.53 | 70.85 | 62.07 | b | 55.08 | 45.40 | 60.23 | |||||||||||
1969 | 51.44 | 47.54 | 51.06 | 57.83 | 63.10 | 65.55 | 75.82 | 80.21 | 75.30 | 60.34 | 57.62 | 50.42 | 61.35 | |||||||||||||
1970 | 49.47 | 53.05 | 53.71 | 53.65 | 62.89 | 69.22 | 77.69 | 78.50 | 69.37 | 62.42 | 56.13 | 48.32 | 61.20 | |||||||||||||
1971 | 49.95 | 50.57 | 54.08 | 55.13 | 58.77 | 67.70 | 76.35 | 79.44 | 72.80 | 60.13 | 52.75 | 44.37 | 60.17 | |||||||||||||
1972 | 47.47 | 52.66 | 58.79 | 58.95 | 65.11 | 69.75 | 79.03 | 75.85 | 69.38 | b | 61.12 | b | 52.68 | 48.23 | 61.58 | |||||||||||
1973 | 45.98 | 50.16 | 48.65 | 55.80 | 63.26 | 71.35 | 73.89 | 74.65 | 66.60 | 62.68 | 52.87 | 49.89 | 59.65 | |||||||||||||
1974 | 47.88 | a | 48.64 | 53.65 | 55.71 | a | 61.52 | 71.43 | 74.74 | 72.82 | 73.85 | 62.11 | 54.52 | 46.45 | 60.28 | |||||||||||
1975 | 48.92 | 47.11 | 49.23 | 50.30 | 60.44 | 65.83 | 74.42 | 74.00 | 73.32 | 61.18 | 54.03 | 49.63 | 59.03 | |||||||||||||
1976 | 50.19 | 51.95 | 51.82 | 54.27 | 63.71 | 69.53 | 74.24 | 72.08 | 70.10 | 63.65 | 56.92 | 49.52 | b | 60.66 | ||||||||||||
1977 | 48.94 | 52.68 | 48.48 | 58.47 | 57.50 | 70.03 | 77.05 | 76.73 | 70.72 | 65.89 | 57.85 | 54.87 | 61.60 | |||||||||||||
1978 | 50.98 | 51.57 | 56.45 | 56.10 | 63.56 | 73.20 | 78.00 | 75.69 | 72.33 | 69.77 | 54.10 | 47.81 | 62.46 | |||||||||||||
1979 | 47.31 | 49.75 | 53.26 | 58.67 | 63.02 | 71.38 | 75.81 | 74.06 | 78.82 | 65.68 | 56.10 | a | 54.87 | 62.39 | ||||||||||||
1980 | 52.98 | 55.53 | 52.55 | 58.78 | 57.73 | 68.55 | a | 78.29 | 75.81 | 71.67 | 67.16 | 58.78 | 55.55 | 62.78 | ||||||||||||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 48.84 | 50.58 | 53.10 | 57.21 | 62.32 | 68.37 | 75.76 | 76.01 | 71.89 | 63.76 | 55.90 | 50.43 | 61.31 | |||||||||||||
S.D. | 2.85 | 2.91 | 2.85 | 3.06 | 2.92 | 2.57 | 2.38 | 2.32 | 3.05 | 2.76 | 2.73 | 3.01 | 1.17 | |||||||||||||
SKEW | -0.54 | 0.04 | 0.35 | -0.31 | -0.03 | -0.07 | -0.61 | -0.24 | 0.07 | -0.40 | -0.02 | 0.41 | 0.24 | |||||||||||||
MAX | 54.61 | 56.61 | 62.13 | 63.28 | 69.35 | 73.67 | 80.69 | 81.03 | 78.82 | 69.77 | 61.80 | 57.63 | 63.79 | |||||||||||||
MIN | 39.77 | 44.07 | 48.02 | 49.72 | 55.16 | 62.08 | 67.43 | 69.84 | 65.67 | 55.05 | 50.85 | 44.37 | 59.03 | |||||||||||||
YRS | 62 | 66 | 66 | 63 | 65 | 64 | 62 | 63 | 65 | 65 | 66 | 64 | 51 |