YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1940 | ----- | z | ----- | z | ----- | z | 45.23 | d | 47.27 | a | 51.00 | b | 55.26 | 59.14 | b | 59.14 | w | 50.68 | 39.70 | 38.03 | 48.29 | d | ||||
1941 | 39.61 | 39.75 | 40.29 | 42.30 | 46.16 | 49.47 | 52.52 | 53.32 | 51.13 | 47.00 | 42.97 | 39.06 | 45.30 | |||||||||||||
1942 | 34.87 | 37.29 | 36.39 | 42.00 | 45.06 | 48.13 | 55.06 | 53.74 | ----- | z | ----- | z | ----- | z | ----- | z | 44.07 | d | ||||||||
1943 | ----- | z | ----- | z | 43.67 | s | 42.83 | 43.71 | 48.07 | 50.61 | 52.19 | 50.50 | ----- | z | ----- | z | ----- | z | 47.99 | f | ||||||
1944 | 35.65 | 37.03 | 35.87 | 40.80 | 42.74 | 46.57 | 51.48 | 50.32 | 49.57 | 48.58 | 39.40 | 33.84 | 42.65 | |||||||||||||
1945 | 37.35 | 38.57 | 36.94 | 39.13 | 45.74 | 44.80 | 47.90 | 49.87 | 47.53 | 44.71 | 41.60 | 39.26 | 42.78 | |||||||||||||
1946 | 37.55 | 37.89 | 38.94 | 40.60 | 45.29 | 48.43 | 51.52 | 50.16 | 47.83 | 43.14 | b | 36.69 | a | 37.68 | 42.98 | |||||||||||
1947 | 32.42 | 38.18 | 40.55 | 42.67 | 43.68 | 48.63 | 52.50 | c | 50.42 | 47.30 | 47.39 | 41.47 | 38.41 | d | 43.63 | |||||||||||
1948 | 32.87 | a | 34.31 | 36.90 | a | 40.40 | 45.77 | 51.43 | b | 50.80 | a | 53.10 | 48.07 | b | 43.35 | 38.97 | 32.94 | 42.41 | ||||||||
1949 | 24.77 | 36.36 | 40.26 | 42.32 | b | 45.84 | 46.50 | 48.83 | a | 50.84 | 48.86 | a | 39.68 | 43.03 | a | 35.39 | 41.89 | |||||||||
1950 | 27.87 | 34.89 | 37.17 | a | 38.21 | a | 39.69 | b | 47.87 | 50.72 | b | 52.83 | a | 49.63 | 46.87 | 41.97 | 45.45 | 42.76 | ||||||||
1951 | 35.84 | 37.86 | 33.13 | 40.20 | 44.39 | 47.67 | 51.35 | 48.71 | 48.10 | 46.52 | 40.13 | 34.10 | 42.33 | |||||||||||||
1952 | 33.23 | 36.00 | 34.81 | 37.73 | 43.00 | 46.77 | 48.72 | b | 51.13 | a | 46.86 | b | 45.39 | c | 32.07 | 36.26 | 41.00 | |||||||||
1953 | 44.64 | q | 40.44 | a | 43.30 | d | 46.50 | b | 46.30 | a | 50.14 | a | 54.16 | 55.53 | a | 51.46 | b | 46.03 | 44.45 | a | 40.52 | b | 47.17 | a | ||
1954 | 36.68 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 46.37 | 36.58 | 39.87 | i | |||
1955 | 36.35 | 35.43 | 35.68 | 37.50 | 41.00 | a | 47.27 | 50.16 | 47.32 | 47.34 | a | 45.80 | a | 39.34 | a | 37.00 | 41.68 | |||||||||
1956 | 36.23 | 32.21 | 37.19 | 40.77 | 46.16 | 47.30 | 51.06 | 53.23 | a | 48.77 | 44.24 | b | 37.00 | 36.97 | 42.59 | |||||||||||
1957 | 30.26 | 38.68 | 40.32 | 41.30 | 46.77 | 48.93 | 50.37 | a | 50.93 | a | 50.92 | d | 46.17 | b | 36.47 | 39.29 | 43.37 | |||||||||
1958 | 39.29 | c | 43.46 | 36.58 | 41.93 | 46.87 | 52.93 | 54.23 | 52.00 | 49.53 | 45.15 | d | 40.47 | 42.68 | 45.43 | |||||||||||
1959 | 40.80 | a | 36.57 | 38.77 | 40.33 | l | 42.84 | 49.07 | a | 49.87 | 48.72 | b | 49.67 | 46.57 | h | 39.17 | 37.23 | 43.27 | b | |||||||
1960 | ----- | z | 37.04 | a | 40.52 | 41.83 | a | 44.68 | 48.23 | 49.68 | 51.65 | 48.30 | c | 46.37 | d | 40.53 | 36.74 | 44.14 | a | |||||||
1961 | 38.97 | a | 42.30 | a | 40.81 | 40.45 | a | 45.55 | 49.77 | 52.77 | 53.74 | 47.96 | c | 44.11 | d | 36.80 | 38.87 | 44.34 | ||||||||
1962 | 34.10 | 38.00 | 36.84 | 41.60 | 42.48 | 46.70 | 49.29 | 51.42 | 50.97 | 46.19 | 43.27 | 38.23 | 43.26 | |||||||||||||
1963 | 29.71 | 45.39 | 37.87 | 39.97 | 46.29 | n | 48.63 | 50.61 | 52.94 | 54.27 | 47.73 | a | 43.83 | 38.23 | a | 44.47 | a | |||||||||
1964 | 38.74 | 34.52 | 37.27 | a | 39.07 | 42.10 | a | 48.37 | 51.39 | 52.07 | a | 48.43 | 46.10 | 38.83 | 38.29 | 42.93 | ||||||||||
1965 | 36.90 | a | 38.36 | 35.71 | 42.03 | 42.52 | 47.40 | 51.58 | ----- | z | 48.27 | 48.70 | a | 45.43 | 35.23 | 42.92 | a | |||||||||
1966 | 38.55 | 37.14 | 37.97 | 41.17 | 42.81 | 48.20 | 51.58 | 50.93 | a | 52.03 | a | 45.87 | 43.43 | 40.84 | 44.21 | |||||||||||
1967 | 39.87 | 37.14 | 36.90 | 37.33 | 43.29 | 50.90 | 51.68 | 53.03 | 51.60 | 47.61 | 42.63 | 37.29 | 44.11 | |||||||||||||
1968 | 36.90 | 41.28 | 41.06 | 38.70 | 45.52 | 49.07 | 52.58 | 53.61 | 50.76 | a | 45.32 | 43.40 | 37.13 | 44.61 | ||||||||||||
1969 | 33.45 | 34.75 | 35.52 | 40.63 | 46.40 | a | 53.53 | 51.13 | 49.55 | 50.87 | 44.84 | 40.93 | 40.55 | 43.51 | ||||||||||||
1970 | 40.10 | 37.67 | a | 36.81 | 36.17 | 43.00 | 49.17 | 50.06 | 51.00 | a | 45.77 | 43.26 | 40.57 | 35.97 | 42.46 | |||||||||||
1971 | 36.03 | 37.50 | 35.42 | 38.87 | 44.84 | 47.03 | 51.61 | 54.61 | 48.67 | 43.65 | 41.27 | 36.32 | 42.98 | |||||||||||||
1972 | 35.32 | 39.31 | 42.26 | 37.60 | 45.16 | 48.77 | 52.03 | 50.94 | 46.43 | 42.81 | 43.77 | 32.84 | 43.10 | |||||||||||||
1973 | 35.48 | 38.64 | 39.00 | 39.47 | 44.42 | 48.93 | 49.81 | 50.39 | 50.17 | 45.84 | 41.27 | 43.11 | c | 43.88 | ||||||||||||
1974 | 32.77 | 37.25 | 39.35 | 41.77 | 43.97 | 48.40 | 51.10 | 52.39 | 49.93 | 42.87 | 42.13 | 40.48 | 43.53 | |||||||||||||
1975 | 39.68 | 37.64 | 37.26 | 37.63 | 42.65 | 47.30 | 52.71 | 51.42 | 49.07 | 47.71 | 39.87 | 39.32 | 43.52 | |||||||||||||
1976 | 36.13 | 36.00 | 36.00 | 38.00 | 43.48 | 45.33 | 50.58 | 52.87 | 51.23 | 44.58 | 41.22 | c | 36.35 | 42.65 | ||||||||||||
1977 | 33.26 | 37.18 | 37.00 | 40.53 | 43.35 | 49.33 | 50.10 | 54.94 | 51.37 | 46.23 | 41.31 | a | 41.06 | 43.80 | ||||||||||||
1978 | 41.45 | 40.71 | 41.42 | 41.43 | 43.81 | 51.17 | 52.29 | 53.61 | 51.17 | 46.19 | 35.47 | 31.97 | 44.22 | |||||||||||||
1979 | 30.35 | 37.36 | 41.39 | 42.77 | 45.45 | 47.63 | 52.94 | 53.87 | 52.60 | 49.39 | 38.37 | 40.74 | 44.40 | |||||||||||||
1980 | 32.70 | a | 40.69 | 39.26 | 40.93 | 43.71 | 47.70 | 51.61 | 49.65 | 49.53 | 43.84 | 42.60 | 38.87 | 43.42 | ||||||||||||
1981 | 38.13 | 37.57 | 38.55 | 41.30 | 44.35 | 49.57 | 51.74 | 53.53 | a | 51.27 | 44.70 | a | 42.07 | 40.43 | a | 44.43 | ||||||||||
1982 | 35.27 | a | 36.79 | 38.13 | 37.07 | 43.32 | 49.93 | 51.42 | 52.23 | 50.27 | 45.65 | 36.73 | 35.58 | 42.70 | ||||||||||||
1983 | 38.74 | 39.68 | 41.61 | 36.44 | c | 43.45 | 48.50 | 65.00 | m | ----- | z | 52.26 | c | 45.13 | 43.93 | a | 34.81 | 42.46 | b | |||||||
1984 | 38.03 | 39.76 | 41.61 | 40.37 | 43.58 | 45.47 | 48.73 | a | 51.65 | 48.60 | 44.71 | c | 39.83 | 31.90 | b | 42.85 | ||||||||||
1985 | 30.23 | a | 32.00 | a | 33.13 | 35.76 | a | 41.52 | 46.93 | b | 51.87 | 51.81 | 50.83 | a | 44.45 | b | 34.86 | a | 30.71 | 40.34 | ||||||
1986 | 41.46 | c | 40.27 | b | 43.87 | 40.40 | 45.10 | a | 50.50 | 51.26 | 52.35 | 48.93 | 47.00 | 42.69 | a | 37.23 | a | 45.09 | ||||||||
1987 | 37.03 | 38.71 | 39.90 | 41.63 | 46.83 | a | 48.41 | a | 52.87 | 51.55 | 49.13 | 44.90 | 43.27 | 35.90 | 44.18 | |||||||||||
1988 | 36.55 | 37.62 | 36.68 | 40.83 | a | 44.13 | 47.30 | 50.50 | a | 50.00 | 47.83 | 50.39 | 42.69 | a | 36.83 | a | 43.45 | |||||||||
1989 | 38.13 | a | 32.15 | b | 39.90 | 43.62 | a | 45.68 | 49.50 | 51.74 | 53.13 | 47.50 | 44.52 | 41.33 | 37.00 | 43.68 | ||||||||||
1990 | 38.52 | 34.36 | 40.23 | 43.41 | a | 44.32 | 49.97 | 53.26 | 54.70 | a | 52.93 | 45.23 | a | 38.20 | 28.10 | a | 43.60 | |||||||||
1991 | 32.52 | 41.46 | 36.97 | 36.67 | 40.97 | 48.10 | 51.16 | 53.60 | a | 49.38 | a | 41.97 | 39.33 | 37.10 | 42.44 | |||||||||||
1992 | 36.24 | b | 39.97 | 40.23 | 44.03 | 45.16 | 51.10 | 53.77 | 52.48 | 48.73 | 46.13 | 43.83 | a | 37.94 | 44.97 | |||||||||||
1993 | 34.90 | a | 35.36 | 42.70 | d | 44.34 | a | 49.39 | 51.07 | 52.65 | 54.81 | 48.93 | 47.07 | a | 35.37 | 36.90 | a | 44.46 | ||||||||
1994 | 39.58 | 37.70 | a | 38.84 | 44.47 | 46.81 | 48.93 | a | 51.65 | 53.42 | 52.90 | 45.13 | 38.60 | 38.81 | 44.74 | |||||||||||
1995 | 41.63 | a | 41.89 | 39.23 | a | 41.47 | 46.97 | 49.77 | 54.48 | 52.26 | 54.27 | 45.52 | ----- | z | ----- | z | 46.75 | b | ||||||||
1996 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1997 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1998 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 50.70 | 55.79 | b | 52.14 | b | 48.29 | b | 44.67 | p | 43.82 | m | 32.89 | m | 51.73 | h | |
1999 | 37.25 | o | 38.11 | a | 37.29 | c | 36.95 | i | 41.86 | j | 47.17 | g | 49.64 | t | ----- | z | 43.36 | p | 40.00 | k | 43.00 | p | ----- | z | 37.70 | j |
2000 | 39.85 | r | 39.33 | e | 36.73 | a | 40.57 | b | 44.12 | f | 46.80 | e | 49.58 | l | 48.55 | k | ----- | z | ----- | z | ----- | z | ----- | z | 40.86 | h |
2001 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
2002 | ----- | z | ----- | z | ----- | z | ----- | z | 43.90 | b | 48.03 | 50.23 | 48.03 | ----- | z | ----- | z | ----- | z | ----- | z | 47.55 | h | |||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 35.94 | 37.88 | 38.44 | 40.60 | 44.42 | 48.67 | 51.56 | 52.11 | 49.71 | 45.62 | 40.58 | 37.33 | 43.39 | |||||||||||||
S.D. | 3.62 | 2.66 | 2.44 | 2.39 | 1.83 | 1.75 | 1.67 | 2.03 | 1.91 | 2.02 | 2.93 | 3.13 | 1.08 | |||||||||||||
SKEW | -0.77 | 0.13 | 0.10 | -0.01 | -0.03 | 0.37 | 0.39 | 0.36 | 0.36 | 0.05 | -0.58 | -0.32 | -0.40 | |||||||||||||
MAX | 41.63 | 45.39 | 43.87 | 46.50 | 49.39 | 53.53 | 55.79 | 59.14 | 54.27 | 50.68 | 46.37 | 45.45 | 45.43 | |||||||||||||
MIN | 24.77 | 32.00 | 33.13 | 35.76 | 39.69 | 44.80 | 47.90 | 47.32 | 45.77 | 39.68 | 32.07 | 28.10 | 40.34 | |||||||||||||
YRS | 52 | 55 | 55 | 55 | 55 | 58 | 56 | 55 | 54 | 52 | 53 | 53 | 45 |