YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1948 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 51.42 | 52.26 | 50.88 | m | ----- | z | ----- | z | ----- | z | 51.84 | |||
1949 | 31.16 | 37.79 | 42.58 | 44.27 | 48.30 | a | 48.00 | 49.45 | 50.87 | 50.86 | b | 43.29 | 45.67 | 38.35 | 44.22 | |||||||||||
1950 | 36.03 | 39.86 | 40.03 | 41.77 | 43.61 | 51.23 | 49.83 | b | 49.16 | 49.23 | 48.86 | b | 45.27 | 47.45 | 45.19 | |||||||||||
1951 | 40.23 | 41.36 | 37.26 | 43.30 | 47.97 | 48.20 | 50.87 | 51.41 | i | 48.93 | 47.74 | 44.40 | 39.03 | 44.48 | ||||||||||||
1952 | 38.29 | 39.72 | 38.29 | 41.53 | 46.94 | 48.80 | 51.10 | 49.97 | 50.17 | 47.35 | 39.83 | 41.42 | 44.45 | |||||||||||||
1953 | 45.65 | 40.43 | 39.00 | 40.20 | 44.84 | 48.83 | 52.19 | 52.84 | 53.20 | 48.35 | 46.93 | 41.77 | 46.19 | |||||||||||||
1954 | 41.32 | 41.86 | 39.52 | 42.93 | 45.26 | 47.67 | 49.71 | 52.48 | 51.37 | 46.29 | 47.43 | 40.68 | 45.54 | |||||||||||||
1955 | 37.94 | 37.57 | 39.10 | 39.37 | 43.61 | 47.45 | a | 49.20 | a | 47.90 | a | 47.90 | a | 45.91 | i | 42.73 | 42.84 | 43.24 | ||||||||
1956 | 41.13 | 36.21 | 39.23 | 41.50 | b | 46.58 | e | 48.48 | c | 49.53 | a | 50.45 | 49.35 | d | 45.23 | 41.65 | d | 38.73 | e | 44.01 | ||||||
1957 | 36.65 | 42.62 | b | 43.32 | c | 43.33 | c | 49.48 | b | 53.52 | c | 52.10 | a | 51.17 | a | 54.27 | 48.44 | d | 42.26 | c | 41.81 | e | 46.58 | |||
1958 | 43.57 | c | 48.52 | g | 39.48 | 43.67 | o | 48.10 | 54.03 | 52.42 | 53.13 | 53.07 | b | 47.20 | a | 46.07 | c | 46.24 | f | 48.56 | ||||||
1959 | 43.94 | 39.54 | 42.00 | 45.00 | c | 45.47 | a | 50.37 | c | 52.20 | a | 50.67 | a | 50.39 | b | 48.81 | e | 42.24 | e | 41.18 | i | 46.42 | ||||
1960 | 41.35 | 40.52 | 42.97 | a | 43.21 | a | 46.90 | 47.58 | d | 48.50 | a | 52.93 | b | 48.67 | c | 47.40 | f | 43.86 | b | 43.07 | b | 45.41 | ||||
1961 | 44.73 | a | 43.50 | b | 43.53 | a | 43.20 | 46.68 | c | 49.52 | g | 51.33 | a | 51.96 | c | 50.54 | d | 45.42 | e | 41.63 | 41.16 | 45.79 | ||||
1962 | 36.84 | 41.21 | 41.40 | a | 43.04 | b | 44.52 | 46.33 | 49.65 | 53.13 | a | 51.73 | 48.07 | d | 45.68 | b | 43.61 | h | 45.60 | |||||||
1963 | 36.15 | d | 48.25 | 41.04 | c | 42.00 | 46.32 | 48.97 | 52.84 | 51.48 | 52.54 | b | 49.35 | 46.00 | a | 43.17 | a | 46.51 | ||||||||
1964 | 40.39 | 38.86 | 38.90 | 41.17 | 44.06 | 49.10 | 51.23 | 50.47 | a | 48.20 | 47.45 | 42.67 | 42.71 | 44.60 | ||||||||||||
1965 | 41.52 | 39.43 | 39.84 | 43.64 | b | 43.26 | 48.13 | 49.50 | a | 53.74 | 46.80 | 47.85 | e | 47.07 | a | 39.11 | c | 44.99 | ||||||||
1966 | 41.10 | 38.96 | 41.16 | 44.03 | 45.39 | 49.90 | a | 51.58 | 50.90 | a | 51.54 | b | 47.28 | b | 46.40 | 42.04 | d | 45.86 | ||||||||
1967 | 40.42 | g | 39.19 | g | 39.65 | h | 38.90 | j | 44.17 | h | 50.04 | e | 50.53 | a | 51.81 | 52.04 | b | 47.79 | g | 45.90 | 38.29 | 48.10 | ||||
1968 | 38.00 | 45.52 | 42.10 | 40.40 | 45.84 | 48.86 | a | 51.42 | 52.77 | 51.12 | f | 45.71 | g | 44.05 | j | 39.47 | l | 45.61 | ||||||||
1969 | 36.37 | d | 38.23 | b | 40.65 | 41.34 | a | 47.45 | 52.37 | 51.16 | 49.52 | 50.26 | c | 46.64 | i | 42.38 | f | 43.84 | 45.12 | |||||||
1970 | 45.55 | 43.25 | 43.77 | 41.17 | 46.55 | b | 49.54 | b | 48.19 | 48.74 | 48.43 | 44.19 | 42.42 | f | 37.48 | 45.17 | ||||||||||
1971 | 39.03 | a | 38.57 | 38.42 | 40.47 | 44.29 | 45.97 | 49.74 | 52.71 | 49.43 | 44.36 | c | 41.97 | a | 37.90 | 43.57 | ||||||||||
1972 | 38.20 | a | 41.93 | 42.90 | a | 41.62 | a | 45.42 | 49.33 | 52.35 | 51.06 | 48.28 | e | 46.35 | 43.92 | e | 35.22 | h | 45.58 | |||||||
1973 | 39.10 | a | 40.72 | c | 38.84 | 41.70 | 44.58 | 48.73 | 49.00 | h | 48.33 | d | 51.73 | 46.48 | 43.55 | a | 44.38 | e | 44.38 | |||||||
1974 | 38.26 | 39.00 | g | 41.90 | k | 42.41 | h | 43.19 | j | 47.74 | c | 50.65 | 51.71 | c | 49.60 | e | 43.96 | e | 41.83 | f | 40.21 | g | 46.99 | |||
1975 | 38.27 | e | 39.19 | g | 39.07 | d | 38.13 | g | 43.41 | d | 47.10 | j | 50.26 | h | 49.68 | l | 50.58 | d | 49.13 | a | 42.56 | c | 40.56 | f | 43.84 | |
1976 | 36.89 | m | 34.42 | j | 33.50 | i | 36.77 | h | 40.07 | d | 46.43 | g | 51.15 | d | 53.23 | 52.60 | e | 50.14 | q | ----- | z | ----- | z | 49.26 | ||
1977 | ----- | z | 40.85 | b | 37.00 | b | 41.59 | a | 43.13 | 49.27 | d | 48.55 | 53.16 | 50.37 | 47.61 | 43.67 | 44.71 | 45.45 | ||||||||
1978 | 45.85 | d | 44.23 | f | 45.89 | c | 43.90 | 46.93 | c | 50.79 | b | 52.00 | a | 52.87 | 52.30 | 50.00 | g | 40.64 | e | 37.53 | a | 46.87 | ||||
1979 | 38.13 | 42.50 | 44.00 | a | 44.50 | 47.30 | a | 47.80 | 52.36 | f | 53.30 | d | 55.00 | a | 51.13 | 44.37 | c | 42.68 | f | 46.80 | ||||||
1980 | 38.82 | c | 45.67 | b | 41.19 | 44.63 | 46.21 | b | 49.38 | d | 51.72 | b | 49.74 | d | 50.33 | 46.13 | a | 43.37 | 41.77 | 45.75 | ||||||
1981 | 43.03 | 41.32 | 41.32 | 42.07 | 46.52 | 50.80 | 48.77 | a | 53.13 | 50.13 | 46.77 | 46.63 | 45.03 | 46.29 | ||||||||||||
1982 | 38.71 | 39.29 | 39.94 | 39.50 | 43.61 | 50.43 | 50.40 | a | 51.55 | 51.00 | 47.68 | 41.60 | 40.35 | 44.50 | ||||||||||||
1983 | 41.94 | 43.32 | 42.68 | 39.47 | 45.13 | 49.27 | 50.81 | 51.84 | 51.13 | 47.71 | 45.23 | 42.48 | 45.92 | |||||||||||||
1984 | 40.39 | 40.62 | 43.68 | 41.60 | 45.13 | 48.10 | 50.45 | 51.68 | 49.97 | 46.45 | 43.53 | 38.74 | 45.03 | |||||||||||||
1985 | 39.77 | 39.96 | 39.32 | 44.70 | 45.81 | 50.30 | 52.29 | 52.52 | 51.70 | 47.87 | 39.63 | 39.73 | a | 45.30 | ||||||||||||
1986 | 45.74 | 45.61 | 45.52 | 44.13 | 45.77 | 51.33 | 51.74 | 51.19 | 49.27 | 48.90 | 46.63 | 42.90 | 47.40 | |||||||||||||
1987 | 40.71 | 42.61 | 43.71 | 43.73 | 48.39 | 49.57 | 52.23 | 50.48 | 50.67 | 49.48 | 45.83 | 39.84 | 46.44 | |||||||||||||
1988 | 40.52 | 40.48 | 40.03 | 43.47 | 45.39 | 49.10 | 51.52 | 50.84 | 49.40 | 50.16 | 44.20 | 41.00 | 45.51 | |||||||||||||
1989 | 39.48 | 35.29 | 41.55 | 46.77 | 46.77 | 49.57 | 51.97 | 53.35 | 48.90 | 45.81 | 43.43 | 40.77 | 45.31 | |||||||||||||
1990 | 41.45 | 38.79 | 41.84 | 46.77 | 47.52 | 49.97 | 53.16 | 54.32 | 52.13 | 44.06 | 40.30 | 33.06 | 45.28 | |||||||||||||
1991 | 38.19 | 45.07 | ----- | z | 42.83 | 45.06 | 48.53 | 51.29 | 53.03 | 49.83 | 47.61 | 43.00 | 39.33 | j | 46.45 | |||||||||||
1992 | 43.00 | j | 46.32 | j | 45.27 | i | 47.93 | 48.11 | l | 51.07 | 53.73 | i | 52.20 | k | 50.65 | j | 49.32 | i | 43.17 | l | 39.63 | l | 49.50 | |||
1993 | 38.84 | l | 40.76 | k | 46.14 | i | 46.17 | 50.10 | k | 51.60 | 52.48 | j | 52.86 | i | 49.00 | i | 48.00 | o | 39.85 | j | 40.55 | k | 48.88 | |||
1994 | 41.68 | l | 39.83 | j | 43.13 | 44.85 | j | 48.52 | j | 48.76 | i | 52.05 | l | 53.32 | 51.53 | k | 45.90 | k | 37.93 | 39.70 | k | 44.79 | ||||
1995 | 44.25 | k | 42.82 | k | 42.64 | i | 43.17 | l | 45.77 | 48.47 | 53.94 | 51.81 | 51.77 | 47.05 | j | 44.63 | 44.33 | s | 49.40 | |||||||
1996 | 41.32 | 42.41 | 40.97 | 45.07 | 44.16 | 47.27 | 51.74 | 51.65 | 52.50 | x | 46.97 | 43.55 | j | 44.29 | 45.58 | |||||||||||
1997 | 42.77 | 40.53 | i | 41.95 | i | 44.10 | i | 49.00 | 50.97 | 52.87 | 53.81 | 53.57 | 47.00 | 45.17 | 40.58 | 48.41 | ||||||||||
1998 | 46.48 | 43.79 | 43.35 | 41.83 | 46.90 | 50.90 | 52.84 | 52.71 | 51.10 | 47.06 | 44.87 | 39.61 | 46.79 | |||||||||||||
1999 | 41.45 | 41.25 | 38.81 | 41.97 | 44.35 | 48.33 | 50.71 | 53.48 | 50.07 | 46.35 | 47.37 | 41.10 | 45.44 | |||||||||||||
2000 | 41.94 | 44.10 | 40.65 | 44.89 | b | 47.65 | 51.03 | 51.35 | 52.06 | 50.83 | 46.61 | 41.73 | 42.45 | 46.28 | ||||||||||||
2001 | 40.96 | c | 40.36 | 43.84 | 42.37 | 46.65 | 48.13 | 50.90 | 53.16 | 50.03 | 48.61 | 45.60 | 43.21 | b | 46.15 | |||||||||||
2002 | 40.74 | 42.46 | 40.52 | 44.83 | 45.23 | 49.77 | 53.00 | 51.84 | 50.93 | 46.97 | 48.07 | 44.00 | 46.53 | |||||||||||||
2003 | 45.84 | 40.11 | 42.97 | 41.83 | 42.71 | 45.87 | 42.94 | 47.58 | 52.60 | 50.97 | 43.50 | ----- | z | 45.17 | ||||||||||||
2004 | 44.81 | 43.14 | 43.94 | 45.10 | 48.12 | g | 52.53 | 53.97 | a | 54.35 | 52.40 | 48.29 | 43.30 | 43.55 | 47.76 | |||||||||||
2005 | 42.48 | 41.64 | 45.00 | 44.93 | 51.35 | 51.27 | 53.84 | 52.74 | 49.90 | 49.52 | 44.27 | 44.45 | 47.62 | |||||||||||||
2006 | ----- | z | ----- | z | 40.61 | 44.23 | 46.17 | m | 52.55 | j | 52.00 | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 42.42 | |||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 40.65 | 41.23 | 41.32 | 43.02 | 45.83 | 49.44 | 51.05 | 51.79 | 50.71 | 47.33 | 43.96 | 41.34 | 45.63 | |||||||||||||
S.D. | 3.14 | 2.59 | 2.17 | 1.97 | 1.96 | 1.74 | 1.82 | 1.60 | 1.67 | 1.77 | 2.26 | 2.66 | 0.98 | |||||||||||||
SKEW | -0.20 | 0.26 | 0.09 | 0.22 | -0.01 | 0.35 | -1.68 | -0.83 | 0.23 | -0.19 | -0.41 | -0.49 | -0.12 | |||||||||||||
MAX | 46.48 | 48.25 | 45.89 | 47.93 | 51.35 | 54.03 | 53.97 | 54.35 | 55.00 | 51.13 | 48.07 | 47.45 | 47.62 | |||||||||||||
MIN | 31.16 | 35.29 | 37.00 | 39.37 | 40.07 | 45.87 | 42.94 | 47.58 | 46.80 | 43.29 | 37.93 | 33.06 | 43.57 | |||||||||||||
NO YRS | 50 | 46 | 50 | 50 | 51 | 53 | 52 | 54 | 52 | 46 | 49 | 42 | 29 |