YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1914 | ----- | z | ----- | z | ----- | z | 83.10 | t | 86.39 | 95.21 | a | 91.61 | 89.36 | f | 83.00 | 73.61 | 65.33 | 51.35 | 78.07 | |||||||
1915 | 54.84 | 58.64 | 58.16 | 76.97 | 85.29 | 87.03 | 90.77 | 89.32 | 87.17 | 77.42 | 69.30 | 54.97 | 74.16 | |||||||||||||
1916 | 61.52 | 59.76 | 65.16 | 74.13 | 87.35 | 88.60 | 85.77 | 89.57 | a | 85.40 | 75.35 | 68.37 | 58.06 | 74.92 | ||||||||||||
1917 | 58.97 | 58.71 | 66.42 | 79.07 | 79.35 | 90.27 | 91.06 | 89.55 | 83.00 | 73.03 | 64.00 | 48.13 | 73.46 | |||||||||||||
1918 | 46.10 | 62.61 | 72.55 | 71.53 | 83.94 | 89.93 | 88.97 | 90.61 | 81.67 | 78.97 | 65.07 | 59.58 | 74.29 | |||||||||||||
1919 | 58.13 | 57.11 | 68.94 | 76.77 | 82.39 | 87.77 | 88.84 | 87.55 | 87.73 | 85.48 | 70.57 | 58.65 | 75.83 | |||||||||||||
1920 | 57.48 | 54.41 | 63.90 | 72.83 | 79.48 | 90.73 | 90.03 | 88.77 | 87.93 | 78.84 | 64.43 | 55.77 | 73.72 | |||||||||||||
1921 | 59.55 | 61.86 | 77.13 | 75.93 | 81.32 | 93.90 | 89.58 | 88.74 | 94.80 | 76.71 | 68.50 | 63.35 | 77.61 | |||||||||||||
1922 | 55.77 | 64.43 | 67.32 | 76.57 | 81.58 | 90.00 | 91.29 | 89.35 | 88.07 | 76.42 | 67.90 | 61.97 | 75.89 | |||||||||||||
1923 | 62.58 | 57.57 | 68.55 | 74.50 | 78.84 | 87.70 | 90.97 | 89.58 | 87.03 | 76.48 | 63.00 | 63.68 | 75.04 | |||||||||||||
1924 | 55.06 | 56.17 | 63.32 | 74.00 | 80.48 | 91.30 | 91.45 | 94.81 | 79.00 | 75.19 | 68.17 | 59.39 | 74.03 | |||||||||||||
1925 | 56.10 | a | 64.50 | 71.65 | 79.05 | h | 82.47 | l | 92.90 | 94.16 | 95.29 | 97.87 | 74.84 | 63.13 | 55.74 | 76.62 | ||||||||||
1926 | 54.74 | 62.36 | 60.13 | 74.97 | 85.00 | 89.97 | 92.35 | 91.13 | 89.07 | 78.26 | 61.70 | 61.71 | 75.11 | |||||||||||||
1927 | 58.03 | ----- | z | 68.19 | 78.60 | 85.74 | 86.73 | 89.71 | 87.65 | 89.57 | 81.29 | 70.57 | 58.19 | 77.66 | ||||||||||||
1928 | 58.45 | 58.83 | 67.45 | 72.53 | 81.06 | 87.00 | 90.39 | 88.04 | d | 83.87 | 77.55 | 65.20 | 58.06 | 74.04 | ||||||||||||
1929 | 60.06 | 57.46 | 70.26 | 77.57 | 82.52 | 85.23 | 90.86 | b | 91.13 | 82.43 | 73.06 | 63.63 | 58.16 | 74.37 | ||||||||||||
1930 | 58.03 | 66.36 | 61.32 | 78.83 | 86.19 | 89.00 | 94.32 | 90.42 | 87.47 | 73.00 | 60.93 | 51.94 | 74.82 | |||||||||||||
1931 | 56.13 | 61.39 | 61.32 | 74.30 | 80.77 | 95.27 | 94.48 | 89.65 | 92.03 | 80.39 | 73.10 | 64.00 | 76.90 | |||||||||||||
1932 | 65.45 | 66.00 | 65.06 | 77.07 | 82.87 | 90.20 | 95.58 | 90.10 | 85.53 | 75.52 | 61.60 | 60.26 | 76.27 | |||||||||||||
1933 | 62.61 | 58.96 | 69.03 | 74.90 | 88.39 | 93.73 | 90.03 | 90.77 | 89.73 | 76.16 | 66.10 | 66.74 | 77.26 | |||||||||||||
1934 | 59.35 | 55.04 | 65.03 | 75.57 | 81.39 | 91.23 | 94.03 | 90.94 | 87.60 | 76.39 | 68.57 | 53.10 | 74.85 | |||||||||||||
1935 | 56.94 | 58.07 | 73.03 | 74.47 | 85.00 | 91.27 | 90.06 | 90.03 | 84.27 | 77.90 | 66.90 | 49.32 | 74.77 | |||||||||||||
1936 | 53.16 | 54.76 | 72.13 | 72.73 | 87.16 | 90.73 | 93.48 | 90.03 | 85.50 | 76.65 | 63.73 | 58.32 | 74.87 | |||||||||||||
1937 | 63.19 | 58.54 | 65.71 | 73.93 | 84.26 | 90.83 | 90.61 | 88.77 | 81.73 | 72.13 | 61.87 | 56.58 | 74.01 | |||||||||||||
1938 | 56.61 | 65.82 | 74.00 | 75.33 | 83.74 | 85.90 | 87.90 | 92.13 | 85.03 | 76.77 | 67.87 | 57.84 | 75.75 | |||||||||||||
1939 | 60.58 | 64.50 | 70.68 | 74.80 | 81.81 | 91.03 | 90.65 | 86.68 | 84.77 | 77.77 | 62.47 | 58.77 | 75.38 | |||||||||||||
1940 | 45.39 | 56.97 | 65.16 | 73.47 | 82.35 | 88.60 | 86.65 | 87.16 | 83.50 | 76.42 | 64.50 | 60.58 | 72.56 | |||||||||||||
1941 | 57.45 | 53.93 | 61.10 | 77.13 | 87.32 | 88.37 | 89.00 | 89.32 | 87.03 | 80.68 | 66.00 | 60.48 | 74.82 | |||||||||||||
1942 | 57.42 | 53.14 | 66.29 | 78.73 | 81.81 | 88.57 | 90.26 | 87.32 | 84.40 | 75.52 | 69.47 | 57.48 | 74.20 | |||||||||||||
1943 | 59.32 | 62.54 | 64.00 | a | 75.37 | 83.81 | 91.17 | 88.61 | 90.52 | 82.10 | 75.39 | 66.93 | 58.26 | 74.83 | ||||||||||||
1944 | 55.68 | 62.55 | 66.90 | 74.13 | 84.77 | 92.87 | 89.13 | ----- | z | ----- | z | 75.61 | 62.67 | 54.42 | 71.87 | |||||||||||
1945 | 56.94 | 60.89 | 76.74 | 78.40 | 79.61 | 90.67 | ----- | z | ----- | z | 87.30 | 74.32 | 67.87 | 51.00 | 72.37 | |||||||||||
1946 | 58.61 | 64.71 | 73.10 | 77.47 | 80.35 | 87.57 | 88.29 | 88.29 | 81.53 | 75.55 | 68.67 | 64.45 | 75.72 | |||||||||||||
1947 | 59.06 | 55.18 | 59.19 | 77.87 | 81.48 | 86.00 | 86.61 | 86.39 | 83.47 | 75.16 | 58.60 | 56.61 | 72.14 | |||||||||||||
1948 | 50.97 | 58.90 | 69.58 | 77.97 | 82.48 | 89.33 | 87.81 | 85.58 | 80.77 | 72.52 | 68.07 | 59.23 | 73.60 | |||||||||||||
1949 | 63.77 | 64.11 | 65.90 | 71.17 | 83.42 | 85.70 | 90.81 | 88.42 | 82.07 | 76.71 | 64.47 | 58.03 | 74.55 | |||||||||||||
1950 | 65.61 | 63.14 | 62.87 | 73.93 | 84.58 | 90.90 | 88.68 | 88.58 | 82.33 | 77.58 | 63.53 | 52.48 | 74.52 | |||||||||||||
1951 | 58.74 | 62.18 | 65.52 | 73.70 | 84.32 | 90.07 | 92.10 | 93.65 | 85.37 | 77.74 | 62.83 | 59.68 | 75.49 | |||||||||||||
1952 | 63.81 | 61.59 | 66.48 | 74.40 | 85.52 | 95.00 | 95.39 | 90.16 | 82.37 | 74.00 | 67.62 | a | 56.58 | 76.08 | ||||||||||||
1953 | 61.13 | 60.25 | 68.16 | 74.60 | 86.06 | 89.07 | 90.32 | 90.81 | 83.10 | 76.87 | 65.97 | 56.32 | 75.22 | |||||||||||||
1954 | 59.94 | 65.93 | 66.84 | 79.17 | 78.45 | 91.80 | 94.32 | 96.00 | 89.77 | 79.03 | 62.73 | 57.03 | 76.75 | |||||||||||||
1955 | 56.00 | 62.07 | 71.19 | 78.57 | 85.55 | 86.25 | b | 90.10 | 91.00 | 84.17 | 75.68 | 64.90 | a | 55.52 | 75.08 | |||||||||||
1956 | 56.84 | 63.83 | 67.74 | 75.20 | 85.77 | 90.90 | 91.97 | 92.71 | 83.07 | 73.35 | 66.10 | 68.23 | 76.31 | |||||||||||||
1957 | 59.84 | 68.00 | 64.00 | 79.03 | 82.94 | 87.87 | 90.42 | 91.45 | 84.90 | 70.61 | 66.33 | 59.58 | 75.41 | |||||||||||||
1958 | 51.13 | 53.21 | 61.65 | 75.97 | 83.81 | 88.27 | 89.52 | 91.77 | 88.33 | 75.32 | 72.00 | 56.97 | 74.00 | |||||||||||||
1959 | 58.35 | 61.36 | 65.97 | 77.80 | 85.77 | 89.53 | 90.90 | 92.81 | 83.27 | 73.52 | 66.83 | 60.55 | 75.56 | |||||||||||||
1960 | 56.87 | 57.62 | 57.84 | 78.83 | 82.52 | 88.87 | 91.35 | 91.13 | 86.33 | 78.23 | 68.93 | 56.68 | 74.60 | |||||||||||||
1961 | 55.29 | 63.36 | 71.23 | 71.67 | 79.29 | 87.13 | 91.29 | 88.52 | 86.27 | 79.23 | 72.03 | 60.94 | 75.52 | |||||||||||||
1962 | 57.77 | 68.61 | 64.00 | 73.20 | 91.87 | 88.90 | 92.48 | 89.81 | 84.83 | 77.32 | 64.67 | 56.94 | 75.87 | |||||||||||||
1963 | 54.32 | 57.25 | 72.26 | 78.30 | 83.13 | 86.30 | 87.97 | 91.97 | 82.37 | 78.13 | 67.47 | 51.58 | 74.25 | |||||||||||||
1964 | 56.57 | a | 56.55 | 68.32 | 75.30 | 83.32 | 90.77 | 86.03 | 86.74 | 81.70 | 71.10 | 70.03 | 61.13 | 73.96 | ||||||||||||
1965 | 61.06 | 60.82 | 64.74 | 75.63 | 88.16 | 83.97 | 88.94 | ----- | z | 81.57 | 73.90 | 68.03 | 59.26 | 73.28 | ||||||||||||
1966 | 50.94 | 57.79 | 65.77 | 76.03 | 80.81 | 86.37 | 92.42 | 89.71 | 84.87 | 75.97 | 66.10 | 57.23 | 73.67 | |||||||||||||
1967 | 58.10 | 55.75 | 72.03 | 80.03 | 80.69 | b | 84.60 | 87.90 | 88.65 | 81.47 | 77.13 | 63.77 | 62.68 | 74.40 | ||||||||||||
1968 | 51.97 | 54.38 | 68.90 | 76.30 | 80.90 | 87.87 | 90.45 | 94.45 | 85.17 | 76.55 | 64.77 | 53.90 | 73.80 | |||||||||||||
1969 | 53.61 | 55.04 | 61.71 | 76.87 | 81.45 | 90.83 | 93.58 | 86.81 | 81.90 | 76.45 | 63.93 | 55.45 | 73.14 | |||||||||||||
1970 | 48.90 | 59.07 | 67.42 | 77.27 | 85.43 | a | 88.23 | 91.60 | a | 89.30 | a | 90.80 | 77.19 | 63.60 | 62.55 | 75.11 | ||||||||||
1971 | 55.06 | 60.43 | 62.42 | 76.00 | 84.39 | 91.13 | 90.77 | 88.77 | 84.97 | 77.43 | a | 64.37 | 65.16 | 75.08 | ||||||||||||
1972 | 60.81 | 54.41 | 68.90 | 76.21 | a | 80.00 | 86.93 | 91.14 | b | 91.42 | 89.47 | 75.74 | 64.00 | 61.57 | a | 75.05 | ||||||||||
1973 | 54.55 | 57.11 | 69.90 | 73.13 | 82.19 | 88.83 | 93.23 | 90.35 | 88.03 | 78.29 | 70.10 | 58.68 | 75.37 | |||||||||||||
1974 | 65.65 | 62.04 | 74.00 | 78.30 | 85.87 | 89.00 | 91.00 | 90.74 | 81.60 | 75.17 | a | 65.77 | 55.52 | b | 76.22 | |||||||||||
1975 | 60.06 | 61.93 | 66.45 | 75.93 | 85.30 | a | 90.00 | b | 88.61 | 92.77 | 83.67 | 78.26 | 66.87 | 56.67 | a | 75.54 | ||||||||||
1976 | 53.03 | 69.14 | a | 73.52 | 81.13 | 79.77 | 87.53 | 91.26 | 90.25 | c | 82.47 | 70.23 | 59.73 | 52.55 | 74.22 | |||||||||||
1977 | 43.26 | 59.36 | 70.71 | 79.97 | 86.90 | 93.13 | 96.81 | 90.74 | 84.73 | 71.52 | 65.53 | 55.90 | 74.88 | |||||||||||||
1978 | 46.87 | 50.64 | 66.74 | 79.73 | 82.03 | 91.80 | 92.90 | 91.06 | 87.90 | 75.13 | 70.80 | 58.74 | 74.53 | |||||||||||||
1979 | 52.10 | 54.18 | 68.52 | 76.03 | 81.97 | 86.90 | 88.26 | 91.40 | a | 79.63 | 74.03 | 67.47 | 56.55 | 73.09 | ||||||||||||
1980 | 54.13 | 54.07 | a | 62.39 | 75.27 | 81.77 | 89.97 | 95.65 | 95.32 | 89.07 | 70.84 | 63.13 | 57.10 | 74.06 | ||||||||||||
1981 | 52.10 | 58.82 | 65.81 | 80.43 | 81.00 | 92.07 | 92.23 | 83.97 | 84.43 | 72.39 | 65.93 | 51.87 | 73.42 | |||||||||||||
1982 | 50.87 | 61.18 | 69.45 | 73.57 | 86.29 | 89.43 | 90.35 | 87.58 | 83.93 | 75.87 | 67.47 | 62.00 | 74.83 | |||||||||||||
1983 | 49.61 | 57.11 | 65.65 | 71.10 | 83.19 | 87.73 | 95.10 | 95.16 | 83.90 | 76.03 | 64.13 | 53.84 | 73.55 | |||||||||||||
1984 | 51.71 | 63.00 | 69.16 | 71.00 | 82.13 | 91.03 | 88.32 | 89.87 | 86.97 | 83.26 | 65.07 | 65.61 | 75.59 | |||||||||||||
1985 | 50.39 | 58.93 | 71.19 | 79.80 | 83.55 | 91.37 | 90.32 | 89.68 | 86.77 | 77.84 | 71.27 | 53.65 | 75.40 | |||||||||||||
1986 | 53.42 | 64.11 | 67.42 | 77.57 | 84.81 | 90.07 | 96.13 | 87.71 | 83.03 | 74.26 | 66.03 | 55.06 | 74.97 | |||||||||||||
1987 | 51.52 | 55.07 | 63.61 | 71.90 | 83.19 | 87.77 | 91.61 | 93.45 | 85.60 | 72.74 | 74.07 | 59.87 | 74.20 | |||||||||||||
1988 | 48.71 | 56.97 | 66.23 | a | 74.40 | 80.29 | 88.23 | 90.61 | 88.35 | 77.97 | 66.61 | 64.40 | 55.35 | 71.51 | ||||||||||||
1989 | 56.81 | 55.89 | 63.45 | 69.30 | 78.19 | 88.36 | p | 87.45 | 86.87 | 79.50 | 73.87 | 71.73 | o | 48.23 | 69.96 | |||||||||||
1990 | 61.74 | 65.32 | 67.90 | 73.40 | 81.13 | 89.40 | 92.19 | 90.87 | 85.90 | 75.74 | 69.07 | 58.06 | 75.89 | |||||||||||||
1991 | 52.35 | 61.50 | 68.26 | 75.47 | 81.32 | 84.90 | 88.10 | 84.90 | 84.03 | 76.19 | 62.20 | 60.77 | 73.33 | |||||||||||||
1992 | 54.77 | 61.31 | 65.03 | 71.87 | 78.77 | 83.83 | 90.25 | k | 84.45 | 81.10 | 70.74 | 62.97 | 52.26 | 69.74 | ||||||||||||
1993 | 56.29 | 53.79 | 59.52 | 70.60 | 80.39 | 89.27 | 97.50 | o | 92.13 | 88.63 | 74.68 | 64.50 | 54.84 | 71.33 | ||||||||||||
1994 | 51.00 | 60.00 | 69.61 | 78.23 | 79.90 | 87.07 | 86.45 | 84.74 | 82.30 | 70.77 | 66.70 | 58.39 | 72.93 | |||||||||||||
1995 | 54.29 | 56.36 | 68.39 | 75.87 | 84.13 | 87.17 | r | 95.45 | 90.74 | 82.17 | 77.39 | 62.13 | 54.81 | 72.88 | ||||||||||||
1996 | 54.45 | 59.69 | 60.48 | ----- | z | 84.13 | 90.57 | p | 89.68 | 85.77 | 84.20 | 73.23 | ----- | z | 59.13 | 72.31 | ||||||||||
1997 | 57.10 | 61.07 | 74.71 | 71.37 | 78.42 | 82.93 | 90.39 | 87.48 | 84.57 | 72.68 | 60.77 | 55.65 | 73.09 | |||||||||||||
1998 | 57.58 | 58.96 | 58.40 | k | 71.83 | 84.00 | 92.67 | 93.68 | 90.87 | 85.63 | 78.29 | 69.63 | 61.81 | 76.81 | ||||||||||||
1999 | 61.58 | 61.00 | 64.35 | 77.87 | 79.97 | 86.40 | 91.16 | 94.58 | 85.37 | 74.14 | b | 69.90 | 58.32 | 75.39 | ||||||||||||
2000 | 53.81 | 63.48 | ----- | z | 71.80 | 87.48 | 92.03 | 92.81 | 89.00 | 80.70 | 76.39 | 64.13 | 47.13 | 74.43 | ||||||||||||
2001 | 54.55 | 63.71 | 63.10 | 75.54 | b | 82.97 | 85.47 | 88.00 | 89.90 | 83.47 | 76.32 | 72.30 | 63.97 | 74.94 | ||||||||||||
2002 | 60.00 | c | 58.68 | 69.39 | 78.90 | 81.41 | b | 87.77 | 92.68 | 91.58 | 84.00 | 75.10 | 62.83 | 54.94 | 74.77 | |||||||||||
2003 | 52.19 | 56.86 | 66.35 | 71.23 | 77.87 | 85.20 | 86.16 | l | 89.83 | s | 82.93 | 74.58 | 71.30 | 55.90 | 69.44 | |||||||||||
2004 | ----- | z | 53.45 | 71.16 | 76.10 | 86.42 | 89.73 | 90.32 | 87.81 | 81.13 | 74.39 | 66.50 | 57.35 | 75.85 | ||||||||||||
2005 | 58.52 | 58.68 | 62.58 | 72.27 | 78.94 | 84.58 | f | 89.26 | 88.94 | 88.10 | 75.16 | 67.83 | 55.16 | 72.31 | ||||||||||||
2006 | 63.35 | n | 56.93 | 66.65 | 79.17 | 81.19 | 89.00 | 92.42 | 91.71 | 83.40 | 74.16 | 65.73 | 62.84 | 76.65 | ||||||||||||
2007 | 57.74 | 57.50 | 71.84 | 73.80 | 83.58 | 88.87 | 87.35 | 95.39 | 86.40 | 78.97 | 67.30 | 63.55 | 76.02 | |||||||||||||
2008 | 53.61 | 63.41 | 67.74 | 72.63 | 81.10 | 92.27 | 91.77 | 88.81 | 83.73 | 73.48 | 62.10 | 61.06 | 74.31 | |||||||||||||
2009 | 54.77 | 59.50 | 65.32 | 73.33 | 79.48 | 90.60 | 90.03 | 89.61 | 82.77 | 71.84 | 66.83 | 54.00 | 73.17 | |||||||||||||
2010 | 47.50 | i | 50.75 | 62.77 | 77.97 | 84.10 | 92.33 | 93.61 | 91.90 | 89.73 | 77.55 | 67.00 | f | 52.88 | n | 80.08 | ||||||||||
2011 | 51.93 | d | 61.54 | 67.74 | 78.04 | b | 83.66 | b | 92.27 | d | 93.97 | a | 95.03 | 85.31 | a | 74.68 | c | 68.00 | 62.10 | a | 76.19 | |||||
2012 | 60.79 | b | 62.19 | c | 75.41 | b | 76.90 | a | 87.70 | u | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 68.82 | |
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 56.22 | 59.64 | 67.11 | 75.59 | 82.92 | 89.26 | 90.90 | 90.01 | 84.91 | 75.65 | 66.11 | 57.75 | 74.75 | |||||||||||||
S.D. | 4.49 | 3.98 | 4.14 | 2.68 | 2.71 | 2.60 | 2.43 | 2.60 | 3.27 | 2.82 | 3.14 | 4.14 | 1.13 | |||||||||||||
SKEW | -0.29 | 0.07 | 0.09 | -0.13 | 0.38 | -0.04 | 0.21 | 0.15 | 0.93 | 0.14 | 0.22 | -0.09 | -0.22 | |||||||||||||
MAX | 65.65 | 69.14 | 77.13 | 81.13 | 91.87 | 95.27 | 96.81 | 96.00 | 97.87 | 85.48 | 74.07 | 68.23 | 77.61 | |||||||||||||
MIN | 43.26 | 50.64 | 57.84 | 69.30 | 77.87 | 82.93 | 85.77 | 83.97 | 77.97 | 66.61 | 58.60 | 47.13 | 71.51 | |||||||||||||
NO YRS | 95 | 97 | 96 | 96 | 97 | 94 | 94 | 93 | 97 | 98 | 95 | 97 | 80 |