YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1936 | ----- | z | ----- | z | ----- | z | 55.50 | s | 56.23 | 60.25 | h | 62.25 | a | 63.77 | 58.16 | b | 52.92 | a | 42.17 | 43.11 | 54.09 | e | ||||
1937 | 32.03 | 39.26 | e | 48.11 | 46.92 | 57.48 | k | 63.88 | i | 67.16 | 66.55 | 63.33 | 59.10 | a | 50.93 | 45.26 | b | 51.87 | b | |||||||
1938 | 42.89 | 44.87 | a | 46.82 | 53.45 | a | 57.50 | 63.48 | 68.98 | 65.21 | 65.89 | b | 56.05 | 44.33 | 43.06 | 54.38 | ||||||||||
1939 | 42.95 | 42.62 | 50.19 | 54.82 | 58.23 | 60.92 | 67.87 | 68.11 | 65.53 | 56.58 | 49.16 | a | 47.25 | a | 55.35 | |||||||||||
1940 | 42.81 | 48.21 | 52.08 | 54.37 | 59.87 | 65.45 | 66.66 | 69.21 | 64.32 | 58.74 | 45.93 | 43.37 | 55.92 | |||||||||||||
1941 | 44.34 | 47.38 | 51.89 | 52.70 | 56.77 | 60.42 | 70.02 | 66.08 | 60.28 | 55.39 | 49.34 | a | 43.25 | a | 54.82 | |||||||||||
1942 | 41.50 | 44.23 | 47.53 | 51.98 | a | 55.56 | 59.77 | 67.73 | 67.55 | 62.24 | a | 56.60 | 47.62 | 45.00 | a | 53.94 | ||||||||||
1943 | 37.77 | 47.00 | 47.58 | a | 54.03 | 54.83 | a | 60.13 | 66.61 | 65.32 | 64.79 | i | 55.81 | 48.68 | 41.77 | e | 52.69 | a | ||||||||
1944 | 42.00 | 44.55 | 47.82 | 50.68 | b | 56.65 | 61.18 | 68.92 | 67.10 | 66.52 | 59.81 | 46.12 | b | 42.00 | 54.45 | |||||||||||
1945 | 44.55 | 46.71 | 45.90 | 50.57 | a | 58.16 | 61.88 | 69.27 | a | 67.81 | 63.47 | 56.02 | a | 47.62 | 44.85 | 54.73 | ||||||||||
1946 | 42.90 | 44.88 | ----- | z | 51.11 | c | 59.09 | b | ----- | z | ----- | z | ----- | z | 58.94 | n | 51.32 | 44.85 | c | 42.44 | 48.08 | e | ||||
1947 | 38.65 | 47.41 | 50.48 | 53.95 | 59.95 | 60.48 | a | 64.52 | a | ----- | z | 61.50 | 56.37 | 47.93 | 42.17 | b | 53.04 | a | ||||||||
1948 | 42.44 | o | 48.19 | m | 46.76 | 48.72 | 55.97 | 65.73 | 65.85 | k | 66.93 | a | 63.23 | 59.04 | s | 45.95 | k | 39.10 | 55.21 | e | ||||||
1949 | 32.97 | 43.61 | 49.23 | 55.07 | 59.77 | 63.81 | a | 66.87 | 67.50 | 63.67 | 51.40 | 51.48 | a | 42.00 | 53.95 | |||||||||||
1950 | 33.56 | 43.27 | 46.23 | 49.90 | 55.61 | 62.23 | 68.42 | 70.89 | 64.40 | 53.65 | 49.53 | 50.00 | 53.97 | |||||||||||||
1951 | 43.06 | 46.04 | 44.53 | 55.27 | 58.23 | g | 65.15 | 67.68 | 66.79 | 65.23 | 55.56 | 48.63 | 41.32 | 54.48 | a | |||||||||||
1952 | 40.82 | 45.05 | 46.06 | 52.87 | 56.77 | 59.47 | 67.71 | 66.69 | 65.15 | 58.56 | e | 41.28 | 43.06 | 53.63 | ||||||||||||
1953 | 47.66 | 45.25 | 47.03 | 51.43 | 54.55 | 57.72 | 66.40 | 66.10 | 64.53 | 57.34 | o | 51.00 | 44.76 | 54.22 | a | |||||||||||
1954 | 43.23 | a | 47.52 | 45.31 | 52.45 | 57.00 | 58.60 | 64.18 | 64.10 | 62.32 | 55.18 | ----- | z | 45.81 | 54.15 | a | ||||||||||
1955 | 41.56 | ----- | z | ----- | z | 45.84 | e | 54.34 | 60.62 | 62.89 | 65.55 | 62.10 | 55.08 | a | 46.12 | 43.55 | 53.76 | b | ||||||||
1956 | 42.23 | 39.17 | 45.61 | 52.22 | 58.66 | 59.88 | 68.00 | 65.90 | 62.60 | a | 52.65 | 44.10 | 43.06 | 52.84 | ||||||||||||
1957 | 38.16 | 45.36 | 47.98 | 52.82 | 59.30 | a | 63.28 | 64.13 | a | 63.92 | 65.08 | 54.06 | 44.00 | 44.11 | 53.52 | |||||||||||
1958 | 44.47 | 49.02 | 46.35 | 51.47 | 61.52 | 64.67 | a | 71.21 | ----- | z | 62.73 | 56.56 | 49.17 | 47.60 | 54.98 | a | ||||||||||
1959 | 45.10 | 43.84 | 47.82 | 53.45 | 55.68 | 61.98 | 68.66 | 66.39 | 60.12 | 56.71 | 46.25 | 42.60 | 54.05 | |||||||||||||
1960 | 40.31 | 44.05 | 49.37 | 52.20 | 54.63 | 64.43 | 68.65 | 65.47 | 63.80 | 55.47 | 46.59 | a | 42.37 | 53.94 | ||||||||||||
1961 | 44.26 | 47.95 | 47.87 | 51.22 | 55.48 | 65.48 | 68.06 | 70.50 | a | 59.68 | 54.06 | 43.87 | 42.89 | 54.28 | ||||||||||||
1962 | 38.85 | 44.25 | 46.66 | 54.43 | 53.37 | 61.58 | 66.76 | 66.16 | 64.72 | 54.95 | 49.25 | 43.69 | 53.72 | |||||||||||||
1963 | 36.58 | a | 51.54 | 47.31 | 49.40 | 57.29 | 61.32 | 63.90 | a | 67.21 | 66.60 | a | 56.32 | 47.42 | 42.18 | 53.92 | ||||||||||
1964 | 42.82 | a | 43.55 | 46.50 | 49.63 | 53.71 | 59.72 | a | 66.44 | e | 64.98 | a | 61.09 | a | 57.82 | 44.48 | 42.40 | a | 52.76 | |||||||
1965 | 42.42 | 44.94 | a | 48.79 | 52.92 | 55.10 | a | 61.27 | 67.59 | b | 67.73 | 61.71 | a | 58.63 | 49.95 | 40.40 | 54.29 | |||||||||
1966 | 42.87 | 43.20 | a | 47.76 | 54.32 | 56.87 | a | 62.33 | 65.29 | b | 66.50 | 65.58 | 55.48 | 48.15 | 44.75 | a | 54.43 | |||||||||
1967 | 44.18 | a | 46.18 | 46.02 | 47.03 | 57.11 | 65.25 | 67.71 | 71.60 | 66.15 | 56.23 | 48.80 | 41.44 | 54.81 | ||||||||||||
1968 | 42.71 | 50.43 | 50.94 | 50.40 | 56.76 | 63.55 | 68.58 | 67.42 | g | 64.25 | 54.58 | 49.55 | 42.02 | a | 53.98 | a | ||||||||||
1969 | 39.42 | 41.34 | 48.67 | a | 51.62 | 60.77 | a | 64.63 | 66.63 | a | 65.77 | 63.83 | a | 54.21 | 47.84 | a | 44.17 | a | 54.07 | |||||||
1970 | 45.39 | 48.68 | 49.92 | 48.41 | a | 58.47 | a | 65.40 | a | 68.15 | a | 67.27 | 60.65 | 54.26 | 48.33 | 41.40 | 54.69 | |||||||||
1971 | 40.81 | 44.11 | 45.63 | a | 50.23 | 56.16 | 59.45 | 67.60 | 68.95 | 61.12 | 53.40 | a | 46.42 | 40.82 | 52.89 | |||||||||||
1972 | 40.63 | 46.33 | 51.56 | 48.90 | 58.13 | 63.15 | 70.52 | a | 69.71 | 61.30 | 53.98 | k | 49.38 | 39.47 | a | 54.46 | a | |||||||||
1973 | 41.02 | 48.38 | 46.63 | 52.80 | 58.50 | 64.12 | 68.52 | 65.92 | a | 66.19 | n | 55.71 | j | 45.27 | j | 46.88 | a | 54.75 | c | |||||||
1974 | 41.71 | c | 44.64 | 49.10 | 51.71 | d | 59.38 | o | 65.50 | h | 69.10 | f | 70.55 | c | 70.73 | h | 56.00 | m | 47.78 | l | 46.65 | d | 50.73 | f | ||
1975 | 45.50 | d | 45.19 | b | 47.35 | a | 49.43 | p | 58.68 | l | 63.43 | g | 68.94 | d | 67.86 | f | 67.04 | f | 56.12 | n | 47.00 | u | 45.20 | h | 51.75 | h |
1976 | 43.52 | e | 43.93 | g | 46.93 | c | 50.57 | b | 58.67 | a | 60.98 | c | 66.94 | e | 66.37 | e | 65.29 | k | 53.66 | o | 51.33 | f | 38.64 | b | 54.08 | d |
1977 | 41.31 | b | 48.33 | b | 46.47 | b | 54.33 | c | 55.03 | b | 65.11 | g | 65.93 | h | 71.91 | c | 61.55 | i | 58.54 | r | 48.21 | d | 47.07 | a | 51.58 | d |
1978 | 46.27 | 47.46 | b | 52.34 | 53.28 | a | 56.98 | c | 67.50 | k | 67.73 | g | 67.88 | k | 59.67 | u | 61.94 | v | 41.73 | q | 37.38 | o | 51.27 | g | ||
1979 | 36.81 | m | 43.96 | o | 52.38 | b | 52.95 | a | 60.02 | 63.18 | 67.97 | 67.47 | 67.15 | 60.35 | 46.41 | b | 44.50 | a | 58.24 | b | ||||||
1980 | 40.13 | 48.16 | a | 47.69 | e | 53.71 | a | 56.35 | 59.62 | 68.84 | c | 66.67 | a | 65.18 | 55.80 | a | 48.93 | b | 44.28 | a | 54.61 | |||||
1981 | 45.24 | 47.34 | 50.00 | b | 52.62 | a | 57.15 | 61.76 | a | 67.26 | 69.40 | 65.08 | 54.81 | 48.27 | d | 45.78 | f | 56.27 | a | |||||||
1982 | 40.59 | i | 45.50 | d | 47.58 | a | 50.31 | d | 58.26 | b | 65.17 | a | 65.31 | b | 67.21 | c | 63.26 | a | 56.61 | d | 45.45 | k | 40.73 | k | 57.69 | c |
1983 | 43.29 | e | 46.96 | c | 49.91 | b | 51.15 | d | 58.79 | g | 61.84 | a | 63.91 | c | 67.52 | d | 62.23 | d | 56.12 | c | 49.45 | a | 40.37 | a | 53.89 | a |
1984 | 43.30 | a | 46.54 | b | 51.58 | 50.35 | 56.67 | b | 60.62 | d | 69.03 | a | 67.71 | 63.43 | 54.23 | a | 47.16 | a | 39.98 | 54.22 | ||||||
1985 | 39.95 | a | 43.12 | b | 45.08 | a | 54.28 | a | 56.60 | a | 64.13 | 70.11 | 67.26 | 60.70 | 54.24 | b | 40.11 | c | 37.50 | 52.76 | ||||||
1986 | 46.00 | a | 47.98 | 54.02 | 52.60 | 59.06 | 66.77 | 65.53 | 70.52 | a | 61.37 | 59.18 | 49.71 | a | 43.84 | b | 56.38 | |||||||||
1987 | 42.76 | 46.62 | 49.90 | a | 56.44 | d | 59.90 | 64.24 | e | 65.42 | 69.15 | 65.30 | 58.78 | a | 49.93 | b | 42.19 | 55.89 | ||||||||
1988 | 42.53 | a | 47.24 | 51.30 | a | 56.85 | 58.96 | f | 62.19 | i | 69.54 | c | 67.44 | 63.96 | b | 60.69 | 47.83 | 41.47 | 54.89 | b | ||||||
1989 | 43.21 | 38.09 | a | 47.47 | a | 56.50 | 57.58 | 63.31 | d | 64.21 | 65.63 | a | 65.33 | 56.03 | 49.07 | 42.85 | 54.11 | |||||||||
1990 | 43.82 | c | 43.96 | 51.17 | a | 55.93 | b | 56.27 | a | 61.93 | a | 69.60 | a | 69.17 | a | 66.63 | 55.90 | 48.37 | 35.16 | b | 54.83 | |||||
1991 | 41.22 | h | 50.85 | e | 47.48 | j | 50.64 | h | 54.80 | f | 59.94 | l | 69.50 | h | 68.12 | k | 65.93 | h | 56.98 | 49.90 | a | 43.26 | 50.25 | h | ||
1992 | 44.97 | a | 50.38 | 54.95 | 58.20 | 64.94 | 65.18 | b | 69.33 | g | 68.76 | j | 64.64 | h | 58.34 | i | 49.46 | d | 41.87 | a | 53.74 | d | ||||
1993 | 40.38 | c | 44.35 | e | 53.54 | e | 52.62 | f | 61.10 | f | 62.69 | f | 64.62 | g | 68.74 | j | 66.11 | l | 59.72 | h | 41.67 | d | 42.09 | b | 44.40 | g |
1994 | 45.94 | 44.46 | c | 51.72 | f | 53.85 | g | 58.94 | f | 62.17 | g | 69.78 | b | 66.75 | e | 66.63 | d | 55.24 | h | 43.73 | b | 43.73 | c | 54.43 | e | |
1995 | 44.97 | 50.38 | d | 47.70 | a | 51.54 | e | 59.17 | e | 61.98 | d | 69.00 | e | 66.36 | c | 66.95 | 56.15 | 51.57 | 45.13 | a | 55.91 | |||||
1996 | 42.93 | a | 46.50 | 50.40 | b | 53.93 | b | 57.24 | 63.76 | a | 71.73 | 69.55 | c | 63.02 | 57.61 | c | 50.19 | a | 45.02 | a | 55.99 | |||||
1997 | 43.89 | 46.00 | a | 49.39 | 51.66 | h | 61.61 | 61.18 | 67.65 | 68.08 | e | 64.09 | h | 53.88 | g | 49.61 | g | 42.22 | f | 56.83 | e | |||||
1998 | 45.94 | e | 46.71 | g | 49.45 | j | 51.66 | b | 54.02 | f | 61.69 | d | 70.56 | e | 71.82 | i | 65.71 | a | 54.32 | c | 48.36 | e | 40.65 | e | 54.86 | d |
1999 | 43.02 | c | 44.60 | g | 46.00 | d | 49.92 | 53.64 | c | 58.83 | f | 64.85 | e | 67.04 | d | 62.62 | d | 53.80 | d | 50.94 | f | 43.09 | d | 53.77 | c | |
2000 | 42.66 | i | 47.13 | b | 48.27 | g | 55.08 | e | 57.33 | d | 64.13 | g | 66.92 | g | 67.40 | b | 63.11 | g | 55.63 | 44.90 | 44.79 | 53.18 | e | |||
2001 | 44.13 | 44.43 | 49.02 | 50.52 | 59.71 | 60.91 | c | 66.45 | 66.69 | 63.25 | 55.19 | j | 49.20 | 42.87 | 54.29 | a | ||||||||||
2002 | 43.41 | c | 45.80 | 45.47 | 52.37 | g | 56.44 | f | 64.05 | i | 68.84 | f | 67.21 | j | 64.39 | p | 52.78 | h | 47.79 | b | 45.12 | c | 45.52 | g | ||
2003 | 48.57 | a | 45.33 | a | 50.98 | b | 49.88 | d | 58.59 | b | 65.64 | a | 70.27 | 68.59 | h | 66.73 | h | 59.58 | 44.74 | a | 44.48 | b | 53.81 | b | ||
2004 | 45.23 | e | 47.76 | f | 53.17 | h | 54.74 | e | 58.54 | c | 63.96 | e | 70.38 | e | 69.31 | e | 62.40 | f | 56.83 | d | 47.43 | b | 44.40 | g | 58.30 | d |
2005 | 43.41 | d | 46.54 | d | 51.76 | b | 52.71 | d | 59.98 | g | 62.72 | c | 68.85 | k | 69.64 | c | 62.77 | 57.30 | d | 46.02 | g | 43.44 | g | 55.86 | d | |
2006 | 45.84 | b | 45.85 | b | 46.55 | b | 53.28 | g | 59.50 | d | 64.88 | d | 69.62 | b | 67.61 | d | 65.20 | e | 55.90 | b | 49.27 | d | 42.54 | g | 57.02 | b |
2007 | 39.90 | a | 45.65 | a | 52.50 | g | 53.21 | b | 58.28 | a | 61.57 | 69.30 | d | 67.19 | b | 62.45 | b | 54.83 | b | 46.35 | c | 41.83 | b | 54.60 | a | |
2008 | 40.00 | b | 46.18 | d | 47.06 | 49.80 | b | 59.78 | a | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 48.57 | g | |
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 42.37 | 45.80 | 48.56 | 52.22 | 57.56 | 62.51 | 67.59 | 67.41 | 63.59 | 55.99 | 47.45 | 43.03 | 54.36 | |||||||||||||
S.D. | 3.14 | 2.61 | 2.42 | 2.47 | 2.17 | 2.12 | 2.13 | 1.82 | 2.08 | 2.07 | 2.57 | 2.46 | 0.94 | |||||||||||||
SKEW | -1.16 | -0.44 | 0.60 | -0.13 | 0.50 | -0.04 | -0.47 | 0.45 | -0.31 | 0.19 | -0.87 | -0.20 | 0.31 | |||||||||||||
MAX | 48.57 | 51.54 | 54.95 | 58.20 | 64.94 | 66.77 | 71.73 | 71.91 | 67.15 | 60.69 | 51.57 | 50.00 | 56.38 | |||||||||||||
MIN | 32.03 | 38.09 | 44.53 | 45.84 | 53.37 | 57.72 | 62.25 | 63.77 | 58.16 | 51.32 | 40.11 | 35.16 | 52.76 | |||||||||||||
YRS | 67 | 65 | 64 | 65 | 61 | 58 | 61 | 60 | 56 | 57 | 61 | 64 | 33 |