YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1936 | ----- | z | ----- | z | ----- | z | 64.09 | s | 66.65 | 70.00 | d | 74.57 | a | 78.81 | 72.21 | b | 66.13 | a | 50.47 | 48.94 | 65.97 | d | ||||
1937 | 39.00 | 44.96 | d | 55.48 | 54.77 | 69.70 | h | 75.83 | g | 83.48 | 84.03 | 77.23 | 69.90 | 57.23 | 50.83 | b | 61.69 | b | ||||||||
1938 | 49.42 | 52.93 | a | 55.45 | 64.72 | a | 72.94 | 80.10 | 88.00 | 84.32 | 81.72 | a | 66.65 | 51.97 | 49.48 | 66.47 | ||||||||||
1939 | 49.58 | 49.93 | 61.84 | 69.97 | 72.97 | 74.63 | 84.94 | 87.26 | 82.63 | 65.97 | 56.66 | a | 53.45 | 67.48 | ||||||||||||
1940 | 49.71 | 54.55 | 62.45 | 65.87 | 74.45 | 83.60 | 82.55 | 88.29 | 75.63 | 68.42 | 52.57 | 50.55 | 67.39 | |||||||||||||
1941 | 50.35 | 55.82 | 64.77 | 64.50 | 67.87 | 72.67 | 87.35 | 80.16 | 72.50 | 65.29 | 56.33 | 48.81 | 65.54 | |||||||||||||
1942 | 48.00 | 51.93 | 58.13 | 62.97 | a | 65.61 | 72.50 | 81.94 | 83.52 | 80.90 | 69.32 | 54.30 | 50.71 | 64.98 | ||||||||||||
1943 | 44.19 | 57.89 | 58.23 | 65.63 | 69.00 | a | 72.80 | 84.35 | 81.68 | 84.45 | h | 65.68 | 56.97 | 47.39 | 63.98 | a | ||||||||||
1944 | 48.81 | 52.62 | 59.13 | 60.36 | b | 70.58 | 73.97 | 86.19 | 84.06 | 84.63 | 71.45 | 53.17 | 48.23 | 66.10 | ||||||||||||
1945 | 51.77 | 54.32 | 53.68 | 61.17 | 68.87 | 78.40 | 90.48 | 85.55 | 80.70 | 69.20 | a | 54.03 | 50.52 | 66.56 | ||||||||||||
1946 | 49.52 | 52.93 | ----- | z | 62.81 | c | 73.90 | a | ----- | z | ----- | z | ----- | z | 75.25 | n | 60.94 | 52.07 | c | 47.87 | 57.15 | e | ||||
1947 | 45.03 | 56.04 | 61.29 | 66.23 | 75.35 | 72.72 | a | 78.48 | ----- | z | 77.97 | 64.26 | 54.20 | 47.21 | b | 63.53 | a | |||||||||
1948 | 48.75 | o | 56.94 | m | 55.94 | 57.93 | 66.61 | 78.93 | 80.65 | k | 81.23 | a | 79.43 | 69.92 | s | 53.11 | k | 45.68 | 66.54 | e | ||||||
1949 | 42.13 | 50.57 | 58.00 | 68.47 | 73.71 | 80.33 | 85.26 | 84.03 | 78.43 | 63.39 | 59.40 | 49.03 | 66.06 | |||||||||||||
1950 | 40.00 | 52.32 | 55.74 | 62.17 | 71.35 | 76.00 | 87.42 | 90.29 | 80.53 | 62.19 | 56.17 | 55.13 | 65.78 | |||||||||||||
1951 | 48.74 | 53.68 | 54.94 | 70.30 | 71.97 | 83.67 | 84.26 | 85.52 | 83.50 | 65.29 | 56.60 | 47.71 | 67.18 | |||||||||||||
1952 | 47.29 | 52.76 | 55.13 | 66.97 | 71.52 | 72.40 | 87.10 | 83.65 | 84.00 | 74.38 | e | 50.60 | 50.61 | 66.37 | ||||||||||||
1953 | 54.39 | 54.64 | 57.35 | 63.37 | 67.03 | 69.93 | 84.94 | 81.23 | 81.20 | 70.56 | o | 59.17 | 50.39 | 65.78 | a | |||||||||||
1954 | 50.97 | a | 56.64 | 57.45 | 65.50 | 71.29 | 70.27 | 79.81 | 77.71 | 75.97 | 68.94 | ----- | z | 56.19 | 66.43 | a | ||||||||||
1955 | 47.81 | ----- | z | ----- | z | 53.84 | e | 67.61 | 74.03 | 75.90 | 82.87 | 77.30 | 63.87 | 52.07 | 49.39 | 64.47 | b | |||||||||
1956 | 48.48 | 46.24 | 55.00 | 64.27 | 70.81 | 72.67 | 84.55 | 81.42 | 78.69 | a | 62.71 | 50.93 | 49.71 | 63.79 | ||||||||||||
1957 | 47.16 | 52.93 | 55.77 | 64.87 | 71.60 | a | 76.97 | 80.53 | a | 80.48 | 81.60 | 63.26 | 52.17 | 49.90 | 64.77 | |||||||||||
1958 | 50.84 | 55.11 | 56.52 | 62.70 | 76.00 | 75.79 | a | 88.16 | ----- | z | 77.67 | 70.00 | 55.90 | 53.77 | 65.68 | a | ||||||||||
1959 | 51.26 | 51.86 | 57.77 | 66.53 | 68.65 | 74.70 | 87.06 | 83.87 | 71.27 | 67.45 | 55.67 | 49.58 | 65.47 | |||||||||||||
1960 | 46.48 | 52.72 | 58.90 | 63.43 | 65.29 | 81.23 | 87.81 | 81.42 | 80.73 | 65.90 | 55.14 | a | 48.35 | 65.62 | ||||||||||||
1961 | 52.26 | 55.00 | 55.87 | 63.10 | 65.97 | 80.97 | 84.68 | 87.40 | a | 74.67 | 65.58 | 52.43 | 48.61 | 65.54 | ||||||||||||
1962 | 46.71 | 51.96 | 55.74 | 67.73 | 64.06 | 77.30 | 85.61 | 82.32 | 80.57 | 63.87 | 56.20 | 49.77 | 65.16 | |||||||||||||
1963 | 45.47 | a | 59.75 | 57.32 | 59.03 | 71.06 | 74.90 | 78.87 | a | 83.55 | 81.10 | a | 66.52 | 53.60 | 48.26 | 64.95 | ||||||||||
1964 | 48.83 | a | 54.38 | 56.35 | 62.27 | 67.13 | 72.00 | a | 83.04 | e | 80.33 | a | 77.86 | a | 70.52 | 50.37 | 47.87 | a | 64.25 | |||||||
1965 | 47.97 | 53.78 | a | 63.26 | 64.33 | 69.13 | a | 76.00 | 86.03 | b | 83.26 | 79.03 | a | 69.48 | 56.70 | 45.71 | 66.22 | |||||||||
1966 | 49.03 | 51.81 | a | 57.45 | 68.40 | 73.07 | a | 77.73 | 81.14 | b | 84.42 | 81.07 | 66.84 | 54.27 | 50.39 | 66.30 | ||||||||||
1967 | 49.90 | a | 55.18 | 55.35 | 56.77 | 72.58 | 80.17 | 85.74 | 91.87 | 82.87 | 65.42 | 56.03 | 47.84 | 66.64 | ||||||||||||
1968 | 49.32 | 60.69 | 61.65 | 63.60 | 69.61 | 77.93 | 85.97 | 81.20 | f | 77.37 | 64.81 | 56.50 | 47.52 | 65.00 | a | |||||||||||
1969 | 45.16 | 49.43 | 62.50 | a | 63.17 | 74.90 | a | 76.10 | 83.23 | a | 83.55 | 78.57 | 65.10 | 55.38 | a | 49.57 | a | 65.55 | ||||||||
1970 | 51.58 | 58.68 | 61.26 | 60.45 | a | 73.97 | a | 81.45 | a | 87.07 | a | 85.16 | 76.73 | 66.58 | 54.73 | 46.90 | 67.05 | |||||||||
1971 | 47.03 | 51.43 | 54.37 | a | 61.23 | 68.00 | 71.37 | 82.77 | 82.94 | 75.00 | 62.80 | a | 53.17 | 46.74 | 63.07 | |||||||||||
1972 | 46.84 | 53.34 | 60.52 | 59.47 | 71.74 | 77.33 | 86.97 | 87.16 | 75.97 | 67.75 | k | 55.60 | 45.23 | 65.47 | a | |||||||||||
1973 | 46.84 | 57.11 | 55.16 | 66.13 | 72.55 | 77.50 | 85.71 | 82.30 | a | 85.12 | n | 68.09 | i | 52.60 | j | 52.33 | a | 66.18 | c | |||||||
1974 | 50.07 | c | 52.68 | 59.42 | 62.67 | c | 69.70 | d | 81.09 | g | 84.78 | d | 87.79 | c | 90.43 | g | 73.63 | l | 56.30 | j | 52.33 | d | 64.93 | d | ||
1975 | 51.97 | b | 52.15 | b | 56.47 | a | 63.07 | p | 74.25 | k | 78.17 | f | 84.63 | d | 84.19 | e | 86.84 | e | 67.76 | n | 55.44 | u | 49.88 | f | 69.37 | f |
1976 | 50.36 | c | 52.61 | f | 57.83 | b | 61.25 | b | 73.42 | 75.93 | c | 82.52 | d | 79.23 | e | 79.05 | k | 66.41 | n | 58.58 | f | 43.03 | b | 65.45 | d | |
1977 | 49.79 | b | 56.92 | b | 56.55 | b | 68.50 | b | 65.31 | b | 80.13 | g | 81.43 | h | 86.75 | c | 72.90 | i | 69.62 | o | 55.65 | d | 52.20 | a | 61.46 | d |
1978 | 51.06 | 54.56 | a | 63.42 | 61.66 | a | 68.59 | b | 81.30 | j | 82.42 | g | 85.83 | h | 70.20 | t | 77.90 | u | 49.79 | p | 44.65 | n | 59.86 | g | ||
1979 | 43.60 | k | 50.88 | l | 62.07 | b | 61.83 | a | 72.61 | 78.60 | 84.32 | 81.74 | 81.60 | 71.90 | 53.07 | b | 50.83 | a | 69.86 | b | ||||||
1980 | 48.19 | 56.43 | a | 57.33 | d | 66.90 | a | 68.23 | 71.17 | 84.11 | c | 83.03 | a | 81.67 | 69.07 | a | 56.21 | b | 50.17 | a | 66.04 | |||||
1981 | 51.52 | 55.68 | 60.34 | b | 63.76 | a | 68.00 | 73.93 | a | 82.26 | 83.74 | 80.10 | 65.65 | 55.96 | c | 51.74 | d | 66.06 | ||||||||
1982 | 46.45 | i | 55.17 | d | 56.80 | a | 63.31 | d | 74.69 | b | 79.10 | a | 79.14 | b | 83.57 | c | 77.17 | a | 66.52 | d | 53.68 | k | 47.15 | k | 70.61 | c |
1983 | 49.63 | d | 53.56 | c | 57.07 | b | 63.31 | d | 71.52 | f | 74.66 | a | 76.62 | b | 80.85 | d | 76.73 | d | 66.54 | c | 55.17 | a | 45.30 | a | 63.58 | a |
1984 | 49.87 | a | 54.07 | b | 60.87 | 60.90 | 69.76 | b | 73.23 | d | 87.47 | a | 83.81 | 79.03 | 62.60 | a | 52.20 | 44.42 | 64.85 | |||||||
1985 | 45.50 | a | 51.19 | a | 54.29 | 65.52 | a | 69.30 | a | 80.63 | 88.58 | 83.77 | 74.40 | 66.59 | b | 47.33 | 44.00 | 64.26 | ||||||||
1986 | 51.70 | a | 54.14 | 65.06 | 64.07 | 72.32 | 81.47 | 80.19 | 88.87 | a | 73.83 | 70.26 | 56.17 | 49.37 | a | 67.29 | ||||||||||
1987 | 49.97 | 54.64 | 59.65 | 70.38 | d | 72.32 | 80.40 | e | 77.97 | 87.90 | 82.77 | 74.90 | a | 55.47 | 46.65 | 67.75 | ||||||||||
1988 | 47.61 | 55.55 | 62.10 | a | 67.57 | 70.68 | f | 73.48 | i | 87.14 | b | 86.10 | 81.62 | a | 71.87 | 53.17 | 47.10 | 65.98 | b | |||||||
1989 | 49.10 | 46.81 | a | 54.81 | 69.50 | 69.71 | 76.85 | d | 76.81 | 78.90 | 83.27 | 68.03 | 55.63 | 48.42 | 64.82 | |||||||||||
1990 | 49.83 | b | 51.82 | 61.63 | a | 67.11 | b | 67.77 | 73.20 | 86.13 | a | 83.70 | a | 80.93 | 66.48 | 54.23 | 41.10 | a | 65.33 | |||||||
1991 | 48.00 | f | 58.27 | b | 57.19 | j | 59.68 | h | 64.40 | f | 71.61 | l | 85.96 | h | 83.50 | k | 85.09 | h | 72.29 | 56.23 | 47.45 | 58.56 | h | |||
1992 | 50.87 | 58.97 | 66.45 | 68.63 | 82.19 | 78.82 | b | 84.83 | g | 87.71 | j | 80.23 | h | 70.09 | i | 54.19 | c | 46.67 | a | 63.35 | d | |||||
1993 | 46.14 | c | 51.92 | d | 61.88 | e | 61.21 | f | 73.48 | f | 75.38 | f | 77.71 | g | 84.71 | j | 85.67 | l | 72.22 | h | 50.15 | d | 49.17 | b | 51.85 | g |
1994 | 53.68 | 53.48 | c | 63.48 | f | 64.61 | g | 71.56 | f | 76.26 | g | 88.21 | b | 84.50 | e | 83.31 | d | 67.30 | h | 49.97 | a | 49.36 | c | 66.07 | e | |
1995 | 50.13 | 58.12 | d | 57.03 | a | 62.44 | e | 73.31 | e | 75.85 | d | 84.81 | e | 84.36 | c | 81.80 | 68.26 | 57.53 | 49.97 | a | 66.97 | |||||
1996 | 47.50 | a | 54.55 | 61.27 | a | 65.07 | b | 69.29 | 78.93 | a | 89.84 | 88.68 | c | 79.67 | 68.52 | b | 57.93 | 51.23 | a | 67.71 | ||||||
1997 | 50.90 | 54.56 | a | 59.45 | 61.91 | h | 76.26 | 73.43 | 82.45 | 85.08 | e | 76.77 | h | 61.72 | f | 55.50 | f | 48.88 | f | 68.88 | e | |||||
1998 | 51.77 | e | 54.70 | e | 56.58 | g | 62.75 | b | 62.50 | e | 73.28 | a | 84.48 | 87.77 | 81.43 | 64.03 | 54.78 | c | 47.07 | a | 65.87 | a | ||||
1999 | 48.73 | a | 51.88 | d | 54.28 | b | 62.13 | 64.90 | a | 71.69 | a | 79.17 | a | 80.07 | d | 82.81 | d | 68.41 | b | 58.00 | e | 48.78 | d | 64.24 | ||
2000 | 49.21 | g | 53.11 | b | 59.25 | g | 67.84 | e | 68.07 | d | 78.61 | g | 80.12 | g | 82.93 | b | 77.74 | g | 65.39 | 50.60 | 49.26 | 62.46 | e | |||
2001 | 48.52 | 52.14 | 57.87 | 60.37 | 74.55 | 73.67 | c | 81.48 | 79.45 | 77.33 | 64.95 | j | 54.67 | 47.19 | 64.29 | a | ||||||||||
2002 | 48.00 | c | 54.21 | 54.52 | 63.57 | g | 69.20 | f | 77.81 | i | 83.76 | f | 82.81 | j | 79.50 | p | 64.52 | h | 55.86 | b | 50.59 | b | 52.63 | g | ||
2003 | 54.40 | a | 54.41 | a | 58.97 | b | 58.11 | b | 72.00 | b | 82.03 | a | 89.13 | 86.04 | h | 82.04 | g | 71.42 | 50.31 | a | 49.86 | b | 64.06 | b | ||
2004 | 51.58 | e | 55.65 | f | 66.48 | h | 69.52 | e | 70.96 | c | 77.92 | e | 88.23 | e | 87.04 | e | 75.34 | a | 67.96 | d | 55.39 | b | 51.00 | c | 69.50 | b |
2005 | 50.04 | d | 58.42 | d | 63.59 | b | 63.73 | d | 70.88 | f | 74.63 | c | 87.00 | e | 87.72 | b | 79.73 | 67.30 | d | 52.65 | g | 49.32 | f | 70.24 | c | |
2006 | 51.53 | a | 57.77 | b | 55.55 | b | 65.39 | g | 74.59 | d | 78.42 | d | 86.48 | b | 85.22 | d | 83.40 | e | 70.45 | b | 54.71 | b | 48.44 | d | 67.87 | a |
2007 | 48.16 | 53.93 | a | 64.21 | g | 66.11 | b | 73.20 | a | 76.37 | 84.41 | d | 82.52 | b | 78.29 | b | 64.59 | b | 53.56 | c | 47.27 | a | 66.22 | a | ||
2008 | 46.24 | b | 54.20 | d | 56.52 | 60.71 | b | 72.47 | a | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 58.03 | g | |
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 48.84 | 53.97 | 58.42 | 63.86 | 70.65 | 76.22 | 84.13 | 83.95 | 79.32 | 67.14 | 54.40 | 48.90 | 65.82 | |||||||||||||
S.D. | 2.88 | 2.94 | 3.13 | 3.61 | 3.50 | 3.53 | 3.62 | 2.98 | 3.33 | 3.08 | 2.48 | 2.63 | 1.15 | |||||||||||||
SKEW | -1.00 | -0.41 | 0.58 | -0.37 | 0.22 | 0.18 | -0.70 | 0.26 | -0.34 | 0.38 | -0.48 | -0.06 | -0.24 | |||||||||||||
MAX | 54.40 | 60.69 | 66.45 | 70.38 | 82.19 | 83.67 | 90.48 | 91.87 | 86.84 | 74.90 | 59.40 | 56.19 | 67.75 | |||||||||||||
MIN | 39.00 | 44.96 | 53.68 | 53.84 | 62.50 | 69.93 | 74.57 | 77.71 | 71.27 | 60.94 | 47.33 | 41.10 | 63.07 | |||||||||||||
YRS | 67 | 67 | 64 | 65 | 64 | 60 | 63 | 62 | 58 | 57 | 62 | 67 | 36 |