YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1948 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 54.13 | 54.19 | 51.57 | 51.35 | 43.30 | 39.71 | 49.04 | |||||||
1949 | 33.39 | 40.93 | 46.29 | 47.53 | 50.81 | 53.57 | 53.74 | 53.81 | 55.10 | 47.84 | 48.57 | 40.06 | 47.64 | |||||||||||||
1950 | 39.19 | 41.24 | g | 44.19 | 46.23 | 48.68 | 52.40 | 55.94 | 55.97 | 56.40 | 52.39 | 52.07 | 47.94 | 50.13 | ||||||||||||
1951 | 43.13 | 43.04 | 42.68 | 48.20 | 50.87 | 52.97 | 54.65 | 55.74 | 55.63 | 50.90 | 48.07 | 42.65 | 49.04 | |||||||||||||
1952 | 40.90 | a | 43.93 | 43.84 | 48.27 | 49.73 | a | 52.17 | 57.10 | 54.71 | 56.00 | 53.68 | 43.53 | 45.26 | 49.09 | |||||||||||
1953 | 46.52 | 41.82 | 42.90 | 45.40 | 48.61 | 51.07 | 54.52 | 55.65 | 58.23 | 50.03 | 49.63 | 42.55 | 48.91 | |||||||||||||
1954 | 42.55 | 42.43 | 43.71 | 49.80 | 49.87 | 52.57 | 56.06 | 53.84 | 53.10 | 49.58 | 46.70 | 42.00 | 48.52 | |||||||||||||
1955 | 38.48 | 40.21 | 43.39 | 43.10 | 49.58 | 52.83 | 53.19 | 53.61 | 53.10 | 50.65 | 44.30 | 45.55 | 47.33 | |||||||||||||
1956 | 46.03 | 39.76 | 43.19 | 46.23 | 51.39 | 53.37 | 55.87 | 55.13 | 55.55 | a | 50.06 | 43.33 | 39.45 | 48.28 | ||||||||||||
1957 | 39.13 | 48.21 | 47.13 | 48.17 | 52.26 | 55.77 | 56.52 | 54.52 | 57.17 | 53.55 | 44.90 | 42.29 | 49.97 | |||||||||||||
1958 | 42.74 | 50.21 | 44.00 | 47.67 | 53.52 | 57.13 | 58.26 | 59.19 | 57.30 | 53.74 | 46.17 | 45.03 | 51.25 | |||||||||||||
1959 | 45.77 | 43.21 | 46.32 | 49.73 | 49.97 | 53.33 | 57.07 | b | 57.55 | 55.63 | 54.13 | 45.10 | 41.03 | 49.90 | ||||||||||||
1960 | 42.65 | 44.62 | 48.74 | 48.07 | 49.84 | 56.76 | a | 56.81 | 55.16 | 54.87 | 51.52 | 47.00 | 42.16 | 49.85 | ||||||||||||
1961 | 40.26 | 46.07 | 44.90 | 47.27 | 49.87 | 56.24 | a | 57.84 | 58.97 | 56.20 | j | 51.26 | 45.37 | 41.39 | 49.04 | |||||||||||
1962 | 40.00 | 44.57 | 44.71 | 48.23 | 49.97 | 53.53 | 54.23 | 56.68 | 54.43 | 53.13 | 48.37 | 43.74 | 49.30 | |||||||||||||
1963 | 38.71 | 50.61 | 44.52 | 47.30 | 52.77 | 53.37 | 54.77 | 55.58 | 57.77 | ----- | z | ----- | z | ----- | z | 50.60 | ||||||||||
1964 | ----- | z | 40.55 | 43.32 | 45.30 | 47.77 | 52.83 | 55.13 | 55.81 | 54.00 | a | 50.23 | 42.37 | 44.74 | 48.37 | |||||||||||
1965 | 40.74 | 40.07 | 43.94 | 47.00 | 47.32 | 51.67 | 54.77 | 57.58 | 52.70 | 49.74 | 47.33 | 36.35 | 47.44 | |||||||||||||
1966 | 37.97 | 40.25 | 44.06 | 48.53 | 50.42 | 53.10 | 54.35 | 56.03 | 54.30 | 50.10 | 46.30 | 41.16 | 48.05 | |||||||||||||
1967 | 40.10 | 40.14 | 43.23 | 42.10 | 49.48 | 53.13 | 56.65 | 57.03 | 57.77 | 49.84 | 47.37 | 37.42 | 47.85 | |||||||||||||
1968 | 37.13 | 48.28 | 44.55 | 45.13 | 48.13 | 53.47 | 56.10 | 56.45 | 54.97 | 48.87 | 46.77 | 39.58 | 48.28 | |||||||||||||
1969 | 40.16 | 42.11 | 42.26 | 44.50 | 51.00 | 55.00 | 55.55 | 54.45 | 56.13 | 50.39 | 43.13 | 45.42 | 48.34 | |||||||||||||
1970 | 45.65 | 44.57 | 44.97 | 42.63 | 52.48 | 54.40 | 56.58 | 55.16 | 52.70 | 49.48 | 48.40 | 41.65 | 49.06 | |||||||||||||
1971 | 40.58 | 41.57 | 43.65 | 44.93 | 49.42 | 52.67 | 55.87 | 57.61 | 56.00 | 46.61 | 43.03 | 38.00 | 47.50 | |||||||||||||
1972 | 36.26 | 44.10 | 46.87 | 46.00 | 50.81 | 53.37 | 58.52 | 56.74 | 54.50 | 52.81 | 44.80 | 38.26 | 48.59 | |||||||||||||
1973 | 40.29 | 45.07 | 42.61 | 47.37 | 51.29 | 56.17 | 55.23 | 54.45 | 54.77 | 49.61 | 45.67 | 42.35 | 48.74 | |||||||||||||
1974 | 41.32 | 39.57 | 46.58 | 45.07 | 48.06 | 53.70 | 56.35 | 56.23 | 55.53 | 50.97 | 42.73 | 39.35 | 47.96 | |||||||||||||
1975 | 37.26 | 42.86 | 43.90 | 42.67 | 49.87 | 52.67 | 54.48 | 53.16 | 53.60 | 49.19 | 41.70 | 38.58 | 46.66 | |||||||||||||
1976 | 36.29 | 41.69 | 42.19 | 44.63 | 50.71 | 53.87 | 56.29 | 56.90 | 56.57 | 51.10 | 45.00 | 35.55 | 47.57 | |||||||||||||
1977 | 38.10 | 43.82 | 42.23 | 47.30 | 48.35 | 56.27 | 56.16 | 57.94 | 55.43 | 51.10 | 44.70 | 46.45 | 48.99 | |||||||||||||
1978 | 46.00 | 45.61 | 50.42 | 46.53 | 52.42 | 54.77 | 56.42 | 56.26 | 56.17 | 53.35 | 43.73 | 36.55 | 49.85 | |||||||||||||
1979 | 41.35 | 42.96 | 47.71 | 47.52 | a | 52.81 | 53.90 | 57.00 | 55.68 | 58.90 | 55.90 | 46.27 | 42.39 | 50.20 | ||||||||||||
1980 | 45.26 | 48.10 | 44.68 | 48.87 | 50.48 | 52.73 | 57.16 | 56.32 | 55.70 | 51.42 | 45.03 | 40.90 | 49.72 | |||||||||||||
1981 | 44.00 | 46.71 | 46.52 | 48.23 | 52.13 | 58.80 | 55.61 | 56.10 | 55.23 | 50.16 | 50.47 | 46.84 | 50.90 | |||||||||||||
1982 | 37.81 | 46.39 | ----- | z | 48.13 | 51.26 | 54.33 | 55.90 | 55.87 | 54.97 | 50.71 | 42.63 | 41.00 | 49.00 | ||||||||||||
1983 | 40.06 | 47.25 | 48.35 | 47.30 | 51.55 | 54.93 | 57.00 | 59.23 | 58.87 | 53.10 | 47.07 | 48.39 | 51.09 | |||||||||||||
1984 | 41.81 | 43.48 | 48.16 | 45.27 | 51.90 | 52.80 | 59.48 | 57.00 | 57.93 | ----- | z | 44.40 | 38.48 | 49.16 | ||||||||||||
1985 | 37.00 | 41.43 | 42.10 | 50.03 | 50.81 | 57.90 | 59.61 | 57.19 | 56.33 | 51.42 | 44.10 | 38.65 | 48.88 | |||||||||||||
1986 | 47.03 | 48.39 | 49.19 | 48.43 | 51.26 | 57.60 | 57.61 | 57.81 | 54.66 | a | 53.58 | 45.23 | 41.81 | 51.05 | ||||||||||||
1987 | 40.87 | 44.00 | 46.45 | 50.33 | 55.61 | 55.97 | 56.26 | 58.35 | 57.30 | 56.71 | 47.50 | 44.61 | 51.16 | |||||||||||||
1988 | 42.97 | 43.90 | 46.61 | 50.17 | 51.35 | 55.73 | 59.68 | 59.32 | 55.63 | 54.65 | 48.77 | 40.10 | 50.74 | |||||||||||||
1989 | 38.87 | 40.75 | 49.52 | 52.20 | 52.10 | 56.80 | 55.90 | 56.84 | 56.10 | 52.00 | 44.63 | 38.97 | 49.56 | |||||||||||||
1990 | 41.84 | 41.39 | 46.90 | 51.70 | 52.48 | 56.13 | 59.61 | 60.97 | 56.93 | 52.90 | 43.97 | 33.97 | 49.90 | |||||||||||||
1991 | 40.29 | 47.39 | 44.23 | 47.13 | 50.26 | 53.30 | 58.29 | 59.68 | 58.10 | 54.74 | 47.33 | 40.61 | 50.11 | |||||||||||||
1992 | 39.68 | 48.34 | 50.23 | 52.30 | 55.26 | 57.47 | 60.58 | ----- | z | 57.67 | 55.84 | 46.53 | 40.55 | 51.31 | ||||||||||||
1993 | 40.81 | 44.32 | 50.45 | 49.90 | 54.58 | 57.73 | 57.52 | 60.13 | 56.73 | 54.84 | 44.13 | 40.10 | 50.94 | |||||||||||||
1994 | 41.00 | 42.29 | 47.58 | 48.83 | 52.48 | 54.33 | 56.10 | 57.16 | 57.60 | 50.87 | 41.73 | 39.87 | 49.15 | |||||||||||||
1995 | 48.77 | 47.75 | 46.77 | 49.20 | 52.68 | 55.97 | 60.94 | 58.68 | 57.40 | 53.42 | 49.50 | 47.00 | 52.34 | |||||||||||||
1996 | 45.19 | 48.83 | 47.68 | 50.80 | 53.55 | 55.77 | 59.68 | 58.35 | 55.50 | 52.06 | 47.53 | 47.06 | 51.83 | |||||||||||||
1997 | 45.55 | 44.75 | 47.35 | 50.77 | 56.94 | 56.93 | 59.00 | 60.87 | 60.17 | 52.55 | 50.17 | 42.39 | 52.29 | |||||||||||||
1998 | 47.03 | 46.43 | 47.65 | 48.20 | 51.03 | 56.70 | 59.32 | 59.84 | 59.60 | 50.42 | 47.87 | 37.61 | 50.97 | |||||||||||||
1999 | 41.42 | 42.29 | 44.35 | 47.07 | 49.58 | 54.13 | 57.23 | 58.39 | ----- | z | ----- | z | 48.83 | 40.41 | n | 49.25 | ||||||||||
2000 | 44.24 | j | 46.48 | h | 46.52 | f | 50.47 | k | 53.36 | i | 57.91 | g | 56.50 | g | 58.73 | a | 58.00 | 54.15 | d | 43.28 | e | 44.38 | g | 53.54 | ||
2001 | 40.31 | b | 43.69 | b | 48.93 | a | 46.41 | c | 55.86 | c | 58.48 | c | 58.36 | c | 58.57 | a | 57.04 | d | 54.50 | a | 49.73 | 44.81 | 51.39 | |||
2002 | 40.45 | 44.68 | 44.97 | 50.63 | 50.74 | 55.83 | 58.32 | 59.00 | 58.17 | 53.39 | 47.83 | 45.35 | 50.78 | |||||||||||||
2003 | 47.84 | 44.11 | 47.81 | 48.00 | 52.52 | 56.90 | 59.68 | 60.10 | 59.23 | 54.10 | 44.70 | 44.84 | 51.65 | |||||||||||||
2004 | 45.54 | e | 45.14 | 50.45 | 52.17 | f | 53.61 | 56.77 | 59.29 | 60.77 | 58.07 | 52.94 | 46.77 | 43.42 | 52.07 | |||||||||||
2005 | 42.74 | 47.86 | 49.84 | 48.50 | 54.58 | 55.93 | 60.58 | 59.26 | 56.03 | 53.35 | 47.83 | 47.10 | 51.97 | |||||||||||||
2006 | 44.00 | 44.36 | 44.15 | e | 49.70 | 54.35 | 58.86 | a | 59.80 | k | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 49.24 | |||||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 41.55 | 44.23 | 45.78 | 47.62 | 51.35 | 54.86 | 56.93 | 57.06 | 56.16 | 51.94 | 46.02 | 41.80 | 49.59 | |||||||||||||
S.D. | 3.33 | 2.86 | 2.46 | 2.35 | 2.12 | 1.98 | 1.92 | 2.02 | 1.85 | 2.12 | 2.41 | 3.38 | 1.48 | |||||||||||||
SKEW | 0.15 | 0.30 | 0.34 | -0.29 | 0.46 | 0.24 | 0.24 | 0.11 | -0.15 | 0.00 | 0.23 | 0.01 | 0.04 | |||||||||||||
MAX | 48.77 | 50.61 | 50.45 | 52.30 | 56.94 | 58.86 | 60.94 | 60.97 | 60.17 | 56.71 | 52.07 | 48.39 | 52.34 | |||||||||||||
MIN | 33.39 | 39.57 | 42.10 | 42.10 | 47.32 | 51.07 | 53.19 | 53.16 | 51.57 | 46.61 | 41.70 | 33.97 | 46.66 | |||||||||||||
NO YRS | 56 | 56 | 56 | 56 | 57 | 57 | 57 | 57 | 56 | 55 | 57 | 55 | 47 |