YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1938 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 44.58 | 36.93 | 37.97 | 39.83 | i | |||
1939 | 36.81 | 34.61 | 38.48 | 40.47 | 44.68 | 47.90 | 52.19 | 52.26 | 48.10 | 44.29 | 40.37 | 41.06 | 43.43 | |||||||||||||
1940 | 38.48 | 41.76 | 39.03 | 43.40 | 46.55 | 49.30 | 51.35 | 50.04 | h | 51.27 | ----- | z | 40.47 | 36.43 | a | 43.80 | b | |||||||||
1941 | 39.00 | 40.07 | 39.29 | 41.37 | 45.48 | ----- | z | 55.26 | l | 51.32 | 46.50 | 43.94 | 41.23 | 36.74 | 42.49 | b | ||||||||||
1942 | 34.52 | 34.07 | 32.77 | 39.97 | 42.10 | 44.63 | 50.90 | 51.10 | 47.40 | 44.48 | 41.60 | 39.60 | a | 41.93 | ||||||||||||
1943 | 33.23 | 36.70 | a | 38.74 | 42.07 | 42.23 | 47.60 | 51.06 | 49.61 | 50.10 | 45.90 | 41.07 | 35.48 | 42.82 | ||||||||||||
1944 | 35.16 | 35.62 | 34.61 | 39.43 | 42.71 | 48.13 | 51.03 | 50.03 | 48.47 | 45.87 | 39.57 | 37.67 | a | 42.36 | ||||||||||||
1945 | 37.65 | ----- | z | 36.68 | 40.18 | b | 47.26 | 47.13 | 53.23 | 51.68 | 48.50 | 43.19 | 41.83 | 39.90 | a | 44.29 | a | |||||||||
1946 | 35.20 | a | 36.18 | 38.71 | 40.00 | 44.77 | 48.00 | 52.26 | 52.10 | 46.70 | 42.55 | 36.70 | 38.10 | 42.61 | ||||||||||||
1947 | 31.90 | a | 40.07 | 40.71 | 42.07 | 45.97 | 50.33 | 52.39 | 51.48 | 49.83 | 49.94 | 41.37 | 38.32 | 44.53 | ||||||||||||
1948 | 33.68 | 34.72 | 36.39 | 38.57 | 45.13 | 51.63 | 50.77 | 51.94 | 48.50 | 45.65 | 38.77 | 33.68 | 42.45 | |||||||||||||
1949 | 25.68 | 35.19 | a | 39.58 | 40.53 | 46.19 | 48.00 | a | 50.87 | 50.10 | 50.13 | 40.68 | 42.53 | 36.74 | 42.19 | |||||||||||
1950 | 32.03 | 36.54 | 37.77 | 39.13 | 42.16 | 49.70 | 52.58 | 52.32 | 49.07 | 48.39 | 42.80 | 45.00 | b | 43.96 | ||||||||||||
1951 | 36.68 | 38.53 | i | 33.33 | a | 40.50 | 45.26 | 48.83 | 51.67 | a | 51.74 | 49.13 | 45.55 | 40.77 | 35.26 | 43.52 | a | |||||||||
1952 | 33.68 | 35.83 | 35.29 | 39.37 | 43.94 | 48.13 | 52.60 | a | 51.65 | 49.43 | 45.87 | 32.23 | 38.13 | 42.18 | ||||||||||||
1953 | 42.42 | 36.25 | 35.48 | 39.77 | 43.16 | 47.07 | 50.77 | 52.58 | 51.23 | 43.00 | y | 43.25 | f | 37.74 | d | 43.65 | b | |||||||||
1954 | 35.52 | 38.39 | e | 35.75 | c | 39.48 | e | 43.43 | h | 46.44 | c | 49.00 | 49.42 | s | 48.19 | n | 43.42 | 44.00 | 35.77 | 40.86 | c | |||||
1955 | 33.94 | 33.36 | 34.55 | 36.30 | 42.39 | 47.53 | 49.00 | 49.16 | 49.00 | i | ----- | z | ----- | z | ----- | z | 40.78 | d | ||||||||
1956 | ----- | z | 35.00 | q | 36.12 | w | ----- | z | 40.89 | m | 48.12 | v | 53.03 | 50.77 | 47.30 | 43.42 | 37.10 | 35.10 | 44.45 | f | ||||||
1957 | 30.39 | 38.50 | 40.52 | 39.73 | 45.87 | 48.07 | 50.06 | 48.29 | 48.17 | 40.89 | c | 36.63 | 38.39 | 42.13 | ||||||||||||
1958 | ----- | z | ----- | z | ----- | z | 41.04 | b | 45.81 | 51.73 | 54.00 | 53.58 | 49.70 | 44.32 | 45.00 | 42.84 | 47.56 | c | ||||||||
1959 | 40.39 | 35.79 | 38.00 | 41.00 | 42.58 | 48.37 | 52.52 | 51.03 | 50.40 | 45.97 | 38.03 | 35.16 | 43.27 | |||||||||||||
1960 | 35.58 | 36.93 | 40.81 | 41.67 | 44.10 | 48.93 | 52.87 | 51.55 | 47.83 | 44.71 | 40.60 | 37.13 | 43.56 | |||||||||||||
1961 | 38.10 | 40.29 | 39.65 | 39.47 | 44.29 | 49.77 | 50.81 | 52.84 | 45.37 | 43.23 | 36.50 | 36.68 | 43.08 | |||||||||||||
1962 | 30.71 | 36.57 | 36.23 | 40.23 | 40.55 | 43.87 | 49.29 | 51.29 | 49.43 | 45.42 | 43.08 | e | 36.74 | 41.95 | ||||||||||||
1963 | ----- | z | ----- | z | 40.43 | h | 39.52 | e | 45.28 | f | 49.39 | b | 50.90 | a | 50.35 | 52.78 | g | ----- | z | ----- | z | ----- | z | 47.54 | h | |
1964 | ----- | z | ----- | z | 37.76 | b | 38.47 | 41.52 | 48.07 | 52.19 | 50.42 | 46.67 | 45.55 | 39.47 | 39.26 | 43.94 | b | |||||||||
1965 | 36.84 | 36.46 | 35.87 | 42.07 | 40.84 | 47.80 | 49.87 | 52.90 | 44.64 | h | 46.90 | j | 44.67 | 34.03 | b | 42.14 | b | |||||||||
1966 | 36.71 | 36.86 | 37.64 | c | 41.54 | b | 44.16 | 48.93 | 52.52 | 54.29 | 51.38 | i | 46.10 | b | 43.07 | a | 40.57 | h | 44.18 | b | ||||||
1967 | 37.61 | 35.96 | 36.87 | 37.83 | 40.42 | s | 50.55 | h | 49.52 | 51.35 | 48.50 | 44.50 | a | 40.83 | 33.58 | 41.66 | b | |||||||||
1968 | 33.90 | 40.10 | 39.94 | 36.60 | 41.58 | 48.60 | 51.26 | 52.16 | 47.77 | 44.16 | 41.70 | 35.74 | 42.79 | |||||||||||||
1969 | 35.19 | 33.50 | 33.48 | 39.50 | 49.60 | u | 52.67 | 51.58 | 49.23 | 50.60 | 42.61 | 39.63 | 39.00 | 42.45 | a | |||||||||||
1970 | 40.35 | 40.07 | 39.29 | 36.27 | 43.13 | 50.03 | a | 50.65 | 48.74 | 44.67 | 40.61 | 43.07 | 35.16 | 42.67 | ||||||||||||
1971 | 34.13 | 37.11 | 36.68 | 38.20 | 42.77 | 46.57 | 50.97 | 52.65 | 46.47 | 41.77 | 37.93 | 33.87 | 41.59 | |||||||||||||
1972 | 32.90 | 37.72 | 41.68 | 37.77 | 43.65 | 48.60 | 50.65 | 51.52 | 44.33 | 41.58 | 41.47 | 32.26 | 42.01 | |||||||||||||
1973 | 35.97 | 39.71 | 37.06 | 38.20 | 42.10 | 45.47 | 44.65 | 41.97 | 48.67 | 43.90 | 41.83 | 40.94 | 41.71 | |||||||||||||
1974 | 33.00 | 36.04 | 38.61 | 40.13 | 43.35 | 49.37 | 51.74 | 53.23 | 47.77 | 39.81 | 41.63 | 39.10 | 42.81 | |||||||||||||
1975 | 36.58 | 35.57 | 37.94 | 35.83 | 43.10 | 47.20 | 51.48 | 50.35 | 48.13 | 46.13 | 38.97 | 39.16 | 42.54 | |||||||||||||
1976 | 35.81 | 35.28 | 36.06 | 38.70 | 42.29 | 46.23 | 51.45 | 54.06 | 50.10 | 41.35 | 43.13 | 31.26 | 42.14 | |||||||||||||
1977 | 30.74 | 38.46 | 36.06 | 39.03 | 42.65 | 50.77 | 49.97 | 53.74 | 51.07 | 45.87 | 40.83 | 40.87 | 43.34 | |||||||||||||
1978 | 42.23 | 41.43 | 42.61 | 40.57 | 44.06 | 50.03 | 52.58 | 53.10 | 50.40 | 44.42 | 34.73 | 31.32 | 43.96 | |||||||||||||
1979 | 32.72 | b | 37.93 | 41.13 | 42.07 | 45.32 | 46.90 | 51.68 | 51.23 | 51.70 | 48.23 | 40.67 | 37.30 | a | 43.91 | |||||||||||
1980 | 34.32 | 41.00 | 38.39 | 41.33 | 43.55 | 48.27 | 53.61 | 49.52 | 48.57 | 44.42 | 43.33 | 38.65 | 43.75 | |||||||||||||
1981 | 40.07 | a | 39.36 | 39.39 | 41.77 | 45.71 | 49.73 | 51.39 | 52.42 | 48.67 | 43.84 | 42.93 | 41.61 | 44.74 | ||||||||||||
1982 | 32.23 | 35.71 | 37.32 | 35.57 | 42.35 | 50.90 | a | 51.55 | 51.74 | 49.80 | 45.63 | a | 38.40 | 36.71 | 42.33 | |||||||||||
1983 | 37.16 | 40.86 | 42.35 | 40.38 | a | 45.97 | 48.63 | 52.19 | 53.77 | 49.33 | 46.03 | 43.00 | 38.83 | a | 44.88 | |||||||||||
1984 | 35.93 | b | 37.66 | ----- | z | 37.93 | 43.52 | 47.27 | 52.00 | 49.61 | 46.50 | 43.58 | 39.97 | 34.77 | a | 42.61 | a | |||||||||
1985 | 32.87 | 33.32 | 34.26 | 41.97 | 43.35 | 48.79 | a | 52.65 | 50.61 | 48.30 | 38.81 | e | 32.80 | 31.18 | c | 40.74 | ||||||||||
1986 | 40.81 | 41.82 | 41.90 | 39.83 | 43.26 | 48.47 | 49.35 | 52.52 | 47.90 | 45.32 | 40.00 | 37.00 | 44.02 | |||||||||||||
1987 | 34.45 | 37.57 | 38.74 | 39.37 | 45.19 | 46.77 | 50.94 | 50.71 | 46.50 | 42.65 | 41.31 | a | 32.45 | 42.22 | ||||||||||||
1988 | 37.06 | 35.62 | 33.97 | 36.37 | 42.03 | 46.63 | 51.35 | 50.10 | 46.17 | 45.84 | 42.03 | 33.30 | a | 41.71 | ||||||||||||
1989 | 33.94 | 30.21 | 38.61 | 42.93 | 44.61 | 49.20 | 49.87 | 49.32 | 44.37 | 40.90 | 37.07 | 32.43 | a | 41.12 | ||||||||||||
1990 | 37.97 | 31.89 | 39.26 | 37.73 | 41.71 | 47.59 | a | 52.45 | 54.58 | 48.53 | 41.32 | ----- | z | ----- | z | 43.30 | b | |||||||||
1991 | ----- | z | 39.68 | 36.03 | a | 37.77 | 43.55 | 45.70 | 54.19 | 51.90 | 49.23 | 42.35 | 42.10 | ----- | z | 44.25 | b | |||||||||
1992 | 37.29 | 42.14 | 40.23 | 45.13 | 45.32 | 51.23 | 51.90 | 52.52 | 47.63 | 47.00 | 40.53 | 36.33 | a | 44.77 | ||||||||||||
1993 | 38.16 | 38.85 | a | 41.42 | 38.03 | 41.61 | 53.61 | b | 56.68 | 54.06 | 58.10 | 48.57 | a | 36.77 | 31.81 | 44.81 | ||||||||||
1994 | 33.35 | 39.61 | 42.39 | 47.17 | 49.65 | 47.90 | 54.42 | 51.23 | 54.70 | 43.35 | 36.37 | 34.16 | 44.52 | |||||||||||||
1995 | 45.70 | a | 39.29 | 41.81 | 49.30 | 52.32 | 53.20 | 60.32 | 56.87 | 54.10 | 44.48 | 43.13 | 37.74 | 48.19 | ||||||||||||
1996 | 37.39 | 37.59 | 44.50 | a | 42.13 | 42.94 | 54.30 | 66.13 | 61.87 | 54.90 | a | 47.97 | 42.47 | 41.35 | 47.79 | |||||||||||
1997 | 40.87 | 35.14 | 41.74 | 45.30 | 51.06 | 53.40 | 56.32 | 57.61 | 52.20 | 44.87 | 42.72 | a | 36.03 | b | 46.44 | |||||||||||
1998 | 41.81 | 39.32 | 38.96 | c | 39.78 | c | 45.07 | c | 50.10 | 54.81 | 54.26 | 50.03 | 41.87 | a | 41.41 | a | 31.97 | a | 44.12 | |||||||
1999 | 36.39 | 38.04 | a | 35.96 | e | 39.00 | 43.16 | 48.00 | 49.16 | 54.26 | 47.53 | 44.57 | a | 38.17 | 38.10 | 42.69 | ||||||||||
2000 | 37.93 | b | 40.55 | 38.39 | 40.69 | a | 44.58 | 50.27 | 50.48 | 51.19 | 49.37 | 44.26 | 37.00 | 36.61 | 43.44 | |||||||||||
2001 | 35.65 | 35.79 | 39.00 | 37.83 | 44.65 | 46.90 | 52.23 | e | 51.03 | 47.20 | 41.55 | 40.14 | a | 38.00 | 42.50 | |||||||||||
2002 | 36.32 | 36.44 | a | 35.74 | 42.33 | 40.77 | a | 48.00 | 53.45 | 51.77 | 48.30 | 39.52 | 40.41 | a | 37.77 | 42.57 | ||||||||||
2003 | 41.03 | a | 37.68 | 39.87 | 38.77 | 41.45 | 48.77 | 51.48 | 50.55 | 47.33 | 43.87 | 38.63 | 37.87 | 43.11 | ||||||||||||
2004 | 42.65 | 39.18 | a | 40.77 | 40.39 | b | 44.19 | 48.03 | a | 51.10 | 53.58 | 48.04 | b | 44.10 | 39.33 | 36.10 | a | 43.96 | ||||||||
2005 | 36.16 | 36.25 | 40.29 | 40.53 | 48.55 | 50.67 | 56.29 | 54.74 | 46.03 | a | 46.39 | ----- | z | 36.96 | e | 44.81 | a | |||||||||
2006 | 38.30 | a | 34.54 | 36.71 | ----- | z | ----- | z | 49.57 | ----- | z | 50.31 | b | 48.10 | a | 41.03 | 40.43 | 36.13 | 41.68 | c | ||||||
2007 | 31.77 | 35.57 | 38.07 | a | 39.87 | ----- | z | 44.83 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 38.02 | g | ||||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 36.14 | 37.31 | 38.26 | 40.11 | 44.09 | 48.70 | 52.03 | 51.85 | 48.84 | 44.11 | 40.21 | 36.76 | 43.26 | |||||||||||||
S.D. | 3.51 | 2.54 | 2.57 | 2.46 | 2.31 | 2.12 | 2.78 | 2.51 | 2.46 | 2.31 | 2.69 | 2.93 | 1.50 | |||||||||||||
SKEW | 0.08 | -0.18 | -0.02 | 1.06 | 1.32 | 0.46 | 2.24 | 0.29 | 1.15 | -0.02 | -0.78 | 0.12 | 1.34 | |||||||||||||
MAX | 45.70 | 42.14 | 44.50 | 49.30 | 52.32 | 54.30 | 66.13 | 61.87 | 58.10 | 49.94 | 45.00 | 45.00 | 48.19 | |||||||||||||
MIN | 25.68 | 30.21 | 32.77 | 35.57 | 40.55 | 43.87 | 44.65 | 41.97 | 44.33 | 38.81 | 32.23 | 31.18 | 40.74 | |||||||||||||
YRS | 64 | 63 | 65 | 67 | 62 | 66 | 66 | 66 | 63 | 64 | 64 | 64 | 48 |