YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1916 | ----- | z | ----- | z | ----- | z | 59.22 | l | 74.90 | 82.07 | 88.39 | 77.50 | q | 76.77 | 66.68 | 55.27 | 48.81 | 70.41 | e | |||||||
1917 | 46.32 | 52.21 | 55.31 | b | 59.10 | 60.07 | a | 83.67 | 89.84 | 84.23 | a | 81.63 | 78.94 | 62.23 | 59.65 | 67.77 | ||||||||||
1918 | 45.61 | 57.68 | 64.71 | 63.00 | 76.39 | 90.17 | 89.97 | 83.81 | 71.60 | 67.70 | a | 51.63 | 45.93 | a | 67.35 | |||||||||||
1919 | 44.40 | a | 43.11 | a | 49.48 | 59.67 | 67.71 | 75.37 | 82.32 | 84.19 | 76.77 | 62.71 | 55.21 | a | 50.42 | 62.61 | ||||||||||
1920 | 49.06 | 48.31 | 53.00 | h | 55.31 | a | 67.87 | 81.80 | 90.74 | 82.58 | 75.43 | 66.29 | 51.60 | 48.58 | 65.23 | a | ||||||||||
1921 | 49.58 | 49.39 | 58.35 | 59.80 | 69.87 | 74.47 | 79.13 | 81.77 | 80.87 | 75.26 | 62.30 | 56.52 | 66.44 | |||||||||||||
1922 | 44.45 | 50.74 | a | 52.61 | ----- | z | ----- | z | 86.77 | h | 86.90 | 87.00 | 78.70 | 68.69 | b | 52.32 | e | 51.58 | e | 63.67 | c | |||||
1923 | 48.50 | o | 47.25 | 48.74 | ----- | z | 68.48 | 78.39 | b | 83.52 | 76.70 | a | 71.48 | a | 54.65 | 52.80 | 43.68 | 62.57 | b | |||||||
1924 | 42.52 | 46.93 | a | 41.32 | 60.17 | 66.58 | 82.30 | 80.58 | 85.22 | d | 80.37 | 68.10 | 59.10 | 43.59 | n | 64.83 | a | |||||||||
1925 | 45.33 | a | 54.86 | 63.90 | 68.97 | 76.58 | 81.40 | 82.26 | 77.16 | 76.33 | 63.39 | 67.00 | y | 53.39 | c | 67.60 | a | |||||||||
1926 | 43.32 | 58.41 | a | 50.96 | e | 53.50 | 58.44 | f | 73.38 | f | 80.54 | c | 85.04 | c | 83.55 | h | 61.50 | q | ----- | z | ----- | z | 61.96 | f | ||
1927 | 54.62 | b | 52.19 | b | 58.03 | b | 63.68 | e | 77.75 | c | 79.67 | 83.50 | a | 78.27 | a | 73.77 | 70.89 | d | ----- | z | ----- | z | 69.24 | b | ||
1928 | 54.87 | a | 50.10 | 59.90 | 61.50 | 70.71 | 80.50 | d | 78.90 | 75.90 | 74.80 | 62.97 | 43.69 | a | 43.39 | 63.10 | ||||||||||
1929 | 51.65 | 39.50 | 50.61 | 61.37 | 66.65 | 80.40 | 79.39 | 77.16 | 71.20 | 62.32 | 40.14 | a | 46.77 | 60.60 | ||||||||||||
1930 | 35.16 | 54.25 | 46.06 | 64.70 | 63.81 | 76.50 | 79.00 | 78.71 | 71.20 | y | 65.59 | d | 56.07 | 43.97 | 60.35 | a | ||||||||||
1931 | 47.42 | 48.96 | 43.13 | 58.77 | 69.13 | a | 82.30 | 82.57 | a | 78.29 | 76.97 | 64.55 | 50.80 | 43.32 | 62.18 | |||||||||||
1932 | 36.03 | 49.90 | 48.60 | a | 62.40 | 70.07 | a | 77.67 | 86.80 | a | 85.71 | 76.33 | 68.45 | 59.33 | 43.20 | a | 63.71 | |||||||||
1933 | 50.97 | 46.71 | 58.39 | 62.90 | 72.26 | 83.63 | 87.71 | 81.87 | 83.14 | b | 71.29 | 61.40 | 57.65 | 68.16 | ||||||||||||
1934 | 51.13 | 53.14 | 60.27 | a | 67.80 | 79.32 | 86.33 | 90.74 | 87.84 | 77.53 | 72.42 | 55.57 | 48.03 | 69.18 | ||||||||||||
1935 | 50.87 | 50.71 | 57.13 | a | 62.17 | 60.53 | a | 80.60 | 86.58 | 80.32 | 70.83 | 61.25 | c | 55.83 | 47.61 | 63.70 | ||||||||||
1936 | 43.77 | a | 48.83 | 54.90 | 60.97 | a | 67.00 | d | 83.57 | 84.39 | 85.73 | a | 73.90 | a | 63.39 | 55.43 | 49.29 | 64.26 | ||||||||
1937 | 40.13 | 50.64 | 50.58 | 62.87 | 73.00 | a | 81.10 | 86.35 | 87.84 | 78.41 | a | 67.45 | 55.48 | a | 47.20 | a | 65.09 | |||||||||
1938 | 46.61 | 48.56 | a | 55.77 | 63.90 | 69.06 | 79.47 | 84.13 | a | 86.90 | 75.97 | 67.70 | a | 51.28 | a | 49.13 | 64.87 | |||||||||
1939 | 40.29 | 39.81 | a | 55.68 | 66.03 | 73.48 | 84.76 | a | 85.77 | 83.19 | 80.21 | a | 68.27 | a | 55.50 | 54.26 | 65.60 | |||||||||
1940 | 41.76 | b | 47.07 | a | 57.29 | 62.27 | 73.12 | g | 81.87 | 86.94 | 80.77 | a | 77.13 | 71.70 | a | 52.40 | 44.10 | 63.94 | a | |||||||
1941 | 43.71 | 49.39 | 48.06 | 56.00 | 70.74 | 74.34 | a | 79.84 | 80.06 | 74.87 | 62.84 | 56.47 | 47.61 | 62.00 | ||||||||||||
1942 | 45.39 | 42.56 | a | 51.40 | a | 61.23 | 72.83 | h | 78.00 | a | 82.32 | 81.74 | 73.31 | a | 62.14 | c | 60.53 | 49.97 | 62.60 | a | ||||||
1943 | 45.17 | b | 51.89 | 52.80 | f | ----- | z | 72.55 | i | 81.07 | a | 86.52 | 83.84 | 75.30 | 66.50 | a | 53.90 | a | 43.14 | i | 68.02 | d | ||||
1944 | 43.81 | 45.66 | 53.80 | a | 55.13 | 69.29 | 78.67 | 82.00 | a | 83.52 | 76.43 | 66.10 | 52.30 | 44.00 | 62.56 | |||||||||||
1945 | 43.39 | 50.48 | c | 55.87 | 56.97 | a | 71.77 | 77.77 | 82.87 | 82.03 | 75.17 | 68.53 | a | 58.30 | 41.87 | 63.75 | ||||||||||
1946 | 42.65 | 47.00 | 53.33 | a | 69.33 | 66.81 | 83.50 | 86.68 | 80.45 | 76.31 | a | 63.84 | 45.55 | h | 54.69 | e | 65.87 | a | ||||||||
1947 | 46.04 | d | 45.32 | 49.68 | 57.63 | 69.87 | h | 77.40 | 83.48 | 82.25 | c | 79.36 | e | 68.42 | ----- | z | 40.46 | c | 63.00 | b | ||||||
1948 | 37.80 | a | 42.20 | d | 46.16 | f | 67.33 | 70.14 | i | 76.77 | 83.97 | 81.35 | 79.95 | h | ----- | z | ----- | z | 48.80 | a | 62.60 | e | ||||
1949 | 37.21 | b | 41.89 | i | 53.90 | ----- | z | 67.77 | e | 74.52 | e | 80.97 | 81.65 | 74.19 | i | 65.87 | a | 62.62 | i | 46.10 | 63.50 | d | ||||
1950 | 49.29 | 51.05 | i | 54.13 | 64.30 | 71.50 | e | 82.23 | 77.86 | j | 77.94 | 72.44 | c | 74.19 | 59.30 | c | 53.19 | j | 67.26 | c | ||||||
1951 | 43.30 | a | 49.50 | 52.52 | 58.97 | a | 67.65 | e | 76.07 | 85.19 | 82.94 | 80.32 | k | 66.71 | 50.80 | e | 46.84 | 61.86 | a | |||||||
1952 | 48.65 | 45.00 | 44.43 | c | 59.93 | 67.14 | c | 86.62 | a | 84.39 | c | 85.84 | 74.47 | 67.87 | 46.63 | 44.13 | 62.93 | |||||||||
1953 | 50.39 | 45.12 | b | 58.32 | 60.50 | 65.87 | 86.33 | 84.94 | 81.97 | 81.76 | a | 66.61 | 54.20 | 40.32 | 64.69 | |||||||||||
1954 | 49.16 | 55.48 | a | 51.45 | 68.90 | 67.35 | 83.03 | 87.45 | 83.29 | 82.23 | 68.23 | 57.63 | 48.81 | 66.92 | ||||||||||||
1955 | 43.48 | 43.74 | a | 53.42 | 61.24 | a | 69.17 | a | 78.63 | 84.16 | 81.77 | 78.97 | 72.30 | a | 55.97 | a | 53.10 | 64.66 | ||||||||
1956 | 51.65 | 43.41 | 57.29 | 63.13 | 78.43 | a | 86.33 | 83.61 | 83.65 | 83.07 | 72.39 | 51.93 | 51.29 | 67.18 | ||||||||||||
1957 | 48.71 | 57.71 | 52.58 | 58.14 | a | 66.29 | 80.67 | 86.03 | 82.00 | 76.93 | 63.74 | 44.33 | 51.71 | 64.07 | ||||||||||||
1958 | 45.77 | 52.04 | 44.48 | 57.67 | 73.97 | 83.10 | 83.06 | 84.23 | 77.10 | 67.06 | 58.80 | 52.29 | 64.96 | |||||||||||||
1959 | 44.19 | 46.96 | 55.13 | 62.77 | 72.39 | 82.80 | 84.13 | 84.00 | 79.07 | 64.74 | 57.57 | 47.52 | 65.11 | |||||||||||||
1960 | 42.13 | 37.55 | 55.81 | 66.97 | 73.39 | 83.43 | 82.13 | 86.45 | 77.40 | 65.13 | a | 58.37 | 42.00 | 64.23 | ||||||||||||
1961 | 44.45 | 46.61 | 52.26 | 63.07 | 74.35 | 80.63 | 82.06 | 80.16 | 73.60 | 66.55 | 49.47 | 42.77 | 63.00 | |||||||||||||
1962 | 42.87 | 53.50 | 52.35 | 65.83 | 76.77 | 77.93 | 82.52 | 87.10 | 77.40 | 70.97 | 57.13 | 50.65 | 66.25 | |||||||||||||
1963 | 42.48 | 50.79 | 56.23 | 68.27 | 75.90 | 81.77 | 88.35 | 81.55 | 77.67 | 70.55 | 58.20 | 47.26 | 66.58 | |||||||||||||
1964 | 46.00 | 38.28 | 49.97 | 61.80 | 73.48 | 81.87 | 88.45 | 83.65 | 74.73 | 67.71 | 53.07 | 45.23 | 63.69 | |||||||||||||
1965 | 48.97 | 46.61 | 45.32 | 65.97 | 70.77 | 74.97 | 82.48 | 79.26 | 71.43 | 67.23 | 59.70 | 50.03 | 63.56 | |||||||||||||
1966 | 41.61 | 43.00 | 59.23 | 65.57 | 76.19 | 79.83 | 86.48 | 79.65 | 75.90 | 65.74 | 59.30 | 47.39 | 64.99 | |||||||||||||
1967 | 48.03 | 49.43 | 63.48 | 67.67 | 71.65 | 78.20 | 80.35 | 77.68 | 72.43 | 69.52 | 57.33 | 39.32 | 64.59 | |||||||||||||
1968 | 46.58 | 50.31 | 54.29 | 60.67 | 68.71 | 82.67 | 81.97 | 78.52 | 75.23 | 68.94 | 49.57 | 47.84 | 63.77 | |||||||||||||
1969 | 52.16 | 47.96 | 42.81 | 62.13 | 70.26 | 72.97 | 82.84 | 81.84 | 74.20 | 57.48 | 52.67 | 47.10 | 62.03 | |||||||||||||
1970 | 45.06 | 53.32 | 48.39 | 58.23 | 72.97 | 78.50 | 83.84 | 83.03 | 75.37 | 59.58 | 53.37 | 50.65 | 63.53 | |||||||||||||
1971 | 47.74 | 46.07 | 58.35 | 62.17 | 69.03 | 83.07 | 83.23 | 79.06 | 73.10 | 64.26 | 54.10 | 43.35 | 63.63 | |||||||||||||
1972 | 49.61 | 53.62 | 62.29 | 67.03 | a | 71.45 | 81.97 | 82.06 | 79.10 | 73.70 | 64.06 | 42.43 | 44.00 | 64.28 | ||||||||||||
1973 | 42.58 | 45.82 | 47.58 | 51.73 | 68.11 | c | 78.77 | 82.00 | b | 82.42 | 73.62 | a | 67.23 | 58.47 | 45.23 | 61.96 | ||||||||||
1974 | 42.61 | 49.25 | 60.94 | 63.27 | 77.68 | 80.10 | 83.45 | 78.60 | a | 71.97 | 65.65 | 52.77 | 42.23 | 64.04 | ||||||||||||
1975 | 43.68 | 44.57 | 52.55 | 59.67 | 69.81 | 78.29 | b | 80.84 | 83.26 | 71.79 | a | 70.19 | 50.67 | 47.10 | 62.70 | |||||||||||
1976 | 44.45 | 53.38 | 53.39 | 62.37 | 68.17 | a | 80.10 | 82.19 | 82.13 | 73.77 | 59.65 | 50.83 | 45.97 | 63.03 | ||||||||||||
1977 | 42.71 | 49.22 | a | 50.97 | 59.86 | a | 69.97 | a | 82.83 | 84.00 | a | 80.35 | 77.33 | 68.52 | 55.87 | 50.68 | 64.36 | |||||||||
1978 | 43.52 | 43.15 | a | 56.19 | 65.97 | 68.07 | a | 79.63 | 86.28 | b | 82.81 | 77.00 | 67.26 | h | 50.59 | a | 41.03 | 63.11 | a | |||||||
1979 | 35.87 | a | 46.18 | 52.61 | 61.70 | 67.93 | a | 76.80 | 83.87 | 79.55 | 76.63 | 70.26 | 45.67 | 51.13 | 62.35 | |||||||||||
1980 | 41.97 | 50.34 | 53.03 | 58.60 | 65.23 | a | 84.23 | 89.61 | 83.83 | a | 76.67 | 66.00 | 52.77 | 55.71 | 64.83 | |||||||||||
1981 | 49.29 | 53.11 | 50.68 | 69.63 | 68.29 | 84.07 | 83.52 | 78.26 | 73.63 | 64.90 | 56.73 | 48.42 | 65.04 | |||||||||||||
1982 | 46.90 | 45.86 | 54.55 | 63.00 | 68.53 | a | 76.07 | 82.62 | b | 80.93 | a | 75.52 | a | 64.29 | 51.70 | 42.35 | 62.69 | |||||||||
1983 | 45.45 | 43.21 | 48.76 | b | 55.37 | 64.86 | b | 74.73 | 84.39 | 84.90 | 80.87 | 68.10 | 53.90 | 36.97 | 61.79 | |||||||||||
1984 | 41.58 | 48.48 | 49.48 | 56.93 | 72.89 | c | 79.80 | 82.94 | 80.94 | 76.00 | 56.45 | 53.07 | 47.77 | 62.19 | ||||||||||||
1985 | 36.71 | 45.57 | 53.61 | 63.33 | 70.58 | 79.97 | 84.27 | a | 83.74 | 73.67 | 64.81 | 53.73 | 45.13 | 62.93 | ||||||||||||
1986 | 54.23 | 50.39 | 60.68 | 65.10 | 69.20 | a | 76.07 | 82.10 | 81.26 | 75.20 | 62.29 | 51.67 | 43.52 | 64.31 | ||||||||||||
1987 | 42.03 | 43.54 | 49.58 | 63.83 | 69.29 | 77.80 | 83.87 | 79.52 | 74.37 | 70.16 | 51.90 | 41.19 | 62.26 | |||||||||||||
1988 | 40.26 | 51.03 | 52.80 | a | 64.62 | a | 69.03 | 79.90 | 82.29 | 81.90 | 74.33 | 69.06 | 54.04 | b | 45.77 | 63.75 | ||||||||||
1989 | 49.13 | 42.86 | 63.58 | 67.87 | 73.61 | 75.55 | a | 83.26 | 80.52 | 73.53 | 66.68 | 58.55 | a | 42.84 | 64.83 | |||||||||||
1990 | 45.10 | 45.57 | 53.39 | 63.73 | 68.39 | 88.23 | 80.35 | 80.16 | 76.47 | 68.39 | 57.33 | 43.83 | b | 64.24 | ||||||||||||
1991 | 43.16 | 54.18 | 53.71 | 63.53 | 73.90 | a | 78.83 | 80.26 | 79.26 | 74.79 | b | 67.45 | 46.67 | 43.74 | 63.29 | |||||||||||
1992 | 43.55 | b | 48.66 | 55.52 | 67.10 | a | 70.48 | 75.30 | 81.06 | 79.03 | 77.43 | 70.23 | 44.47 | 42.14 | c | 62.91 | ||||||||||
1993 | 45.61 | 44.48 | a | 53.30 | a | 62.46 | b | 69.25 | c | 79.17 | a | 85.72 | f | 77.68 | c | 74.64 | b | 64.32 | 49.10 | a | 46.81 | 60.62 | a | |||
1994 | 47.27 | a | 47.28 | c | 58.50 | c | 62.96 | b | 70.73 | a | 85.20 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 61.99 | f | |
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 45.21 | 48.24 | 53.57 | 62.27 | 70.37 | 80.33 | 83.93 | 81.80 | 76.00 | 66.68 | 53.79 | 47.03 | 64.16 | |||||||||||||
S.D. | 4.29 | 4.43 | 5.09 | 3.92 | 3.86 | 3.55 | 2.85 | 2.82 | 2.91 | 4.08 | 4.72 | 4.50 | 1.74 | |||||||||||||
SKEW | -0.03 | -0.03 | -0.05 | -0.27 | 0.09 | 0.23 | 0.52 | 0.15 | 0.53 | -0.19 | -0.64 | 0.47 | 0.74 | |||||||||||||
MAX | 54.87 | 58.41 | 64.71 | 69.63 | 79.32 | 90.17 | 90.74 | 87.84 | 83.14 | 78.94 | 62.30 | 59.65 | 69.18 | |||||||||||||
MIN | 35.16 | 37.55 | 41.32 | 51.73 | 60.07 | 72.97 | 78.90 | 75.90 | 70.83 | 54.65 | 40.14 | 36.97 | 60.60 | |||||||||||||
YRS | 77 | 76 | 75 | 74 | 72 | 77 | 76 | 77 | 73 | 75 | 71 | 73 | 58 |