YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1940 | ----- | z | ----- | z | ----- | z | 55.42 | d | 59.48 | a | 63.62 | b | 65.19 | 69.48 | b | 68.14 | w | 59.45 | 46.83 | 45.85 | 58.17 | d | ||||
1941 | 46.28 | a | 49.25 | 52.84 | 52.95 | 56.68 | 60.45 | 65.40 | 64.06 | 60.95 | 57.55 | 50.45 | 45.39 | 55.19 | ||||||||||||
1942 | 42.19 | 44.59 | 47.23 | 51.88 | 55.26 | 59.42 | 66.03 | 66.85 | ----- | z | ----- | z | ----- | z | ----- | z | 54.18 | d | ||||||||
1943 | ----- | z | ----- | z | 49.91 | t | 53.23 | 53.96 | c | 58.02 | 62.92 | 63.06 | 64.42 | ----- | z | ----- | z | ----- | z | 59.27 | f | |||||
1944 | 42.18 | 44.41 | 46.39 | 50.43 | a | 54.55 | a | 57.48 | 62.94 | 63.03 | 62.72 | 58.58 | 46.10 | 40.18 | 52.42 | |||||||||||
1945 | 43.35 | 45.11 | 44.76 | 48.80 | 55.34 | 58.73 | 63.02 | a | 62.21 | 59.47 | 55.27 | 47.30 | 44.23 | 52.30 | ||||||||||||
1946 | 43.50 | 44.43 | 47.18 | 50.60 | 56.98 | 59.03 | 63.82 | 62.27 | a | 60.07 | 51.62 | b | 44.62 | b | 43.07 | c | 52.27 | |||||||||
1947 | 38.26 | 46.98 | d | 50.40 | 53.98 | a | 57.67 | a | 59.20 | 62.42 | f | 62.32 | 60.88 | a | 54.63 | 47.88 | 43.84 | f | 53.22 | b | ||||||
1948 | 41.28 | a | 42.03 | 44.80 | a | 47.65 | 54.67 | a | 64.22 | l | 62.90 | a | 63.82 | 61.98 | c | 54.11 | 45.73 | 37.92 | a | 50.63 | a | |||||
1949 | 32.06 | 42.80 | 47.98 | 52.75 | b | 56.85 | 60.07 | 61.83 | a | 63.11 | 61.09 | a | 51.55 | 51.29 | a | 41.55 | 51.91 | |||||||||
1950 | 33.13 | 42.43 | 44.80 | a | 49.26 | a | 53.45 | b | 59.15 | 64.29 | b | 65.78 | a | 61.02 | 53.10 | 48.20 | 49.45 | 52.00 | ||||||||
1951 | 41.27 | 44.38 | 41.45 | 52.07 | 55.87 | 60.77 | 63.03 | 62.53 | 59.03 | a | 53.77 | 47.23 | 39.61 | 51.75 | ||||||||||||
1952 | 38.48 | a | 42.40 | 43.27 | 50.88 | 54.94 | 56.97 | 62.83 | b | 62.55 | a | 60.14 | b | 56.50 | c | 40.47 | a | 42.16 | 50.97 | |||||||
1953 | 47.93 | q | 46.75 | b | 48.67 | g | 52.58 | d | 51.80 | f | 55.10 | a | 61.87 | 64.25 | a | 62.36 | b | 56.10 | 50.66 | a | 46.55 | b | 55.13 | c | ||
1954 | 42.37 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 52.77 | 43.67 | a | 46.27 | i | ||
1955 | 43.02 | 42.69 | b | 43.44 | 45.10 | 51.07 | a | 56.98 | 58.71 | 59.52 | 58.98 | a | 54.17 | b | 45.88 | a | 43.58 | 50.26 | ||||||||
1956 | 42.27 | 38.91 | 44.89 | 50.83 | 56.15 | 57.02 | 62.26 | b | 62.87 | a | 60.40 | a | 52.14 | b | 46.00 | 43.16 | 51.41 | |||||||||
1957 | 36.47 | 46.00 | 47.68 | a | 51.14 | a | 56.88 | a | 59.95 | 62.13 | a | 62.65 | a | 64.38 | d | 55.22 | d | 46.27 | 45.85 | 52.89 | ||||||
1958 | 45.45 | c | 49.84 | 45.94 | 51.50 | 58.48 | 62.80 | 66.89 | 66.00 | 62.36 | a | 56.94 | d | 47.78 | 48.18 | 55.18 | ||||||||||
1959 | 45.80 | a | 43.68 | 47.61 | 51.06 | l | 54.39 | 58.91 | b | 62.63 | 62.17 | b | 59.22 | 56.20 | h | 48.83 | 43.56 | 52.68 | b | |||||||
1960 | ----- | z | 44.73 | a | 47.70 | a | 50.84 | a | 52.73 | 59.77 | 61.43 | a | 61.95 | 60.52 | c | 55.90 | e | 48.53 | 43.82 | 53.45 | a | |||||
1961 | 47.30 | a | 47.70 | a | 47.40 | a | 50.59 | a | 53.52 | 60.98 | 63.28 | a | 64.40 | 59.30 | c | 53.20 | d | 45.57 | a | 44.34 | 53.13 | |||||
1962 | 41.78 | a | 45.50 | a | 44.97 | 51.80 | 51.10 | a | 57.35 | 60.68 | 63.13 | 61.95 | 56.32 | 50.38 | 45.66 | 52.55 | ||||||||||
1963 | 38.65 | 52.98 | 46.73 | 48.05 | 55.32 | n | 57.52 | 60.76 | 63.05 | 65.10 | 56.53 | a | 49.02 | 44.98 | a | 53.03 | a | |||||||||
1964 | 43.89 | 45.02 | 45.95 | a | 48.52 | 52.27 | a | 57.73 | 62.13 | 62.52 | a | 59.98 | 56.45 | 45.93 | 42.79 | 51.93 | ||||||||||
1965 | 42.35 | a | 46.26 | a | 49.29 | 51.57 | 52.42 | 57.65 | 62.79 | ----- | z | 61.50 | 59.30 | a | 51.15 | 41.11 | 52.31 | a | ||||||||
1966 | 44.27 | 44.84 | 46.68 | 52.07 | 54.82 | 60.00 | 62.06 | 63.85 | a | 64.66 | a | 56.00 | 49.80 | 46.02 | 53.76 | |||||||||||
1967 | 44.79 | 46.27 | 44.97 | 46.53 | 55.50 | 61.13 | 64.35 | 67.34 | 65.78 | a | 57.23 | 50.23 | 42.45 | 53.88 | ||||||||||||
1968 | 43.37 | 51.72 | 50.16 | 49.02 | 54.82 | a | 60.00 | 63.65 | 63.42 | 62.53 | a | 55.03 | 49.50 | 41.81 | 53.75 | |||||||||||
1969 | 38.65 | 41.50 | 48.29 | 50.33 | 58.73 | a | 61.78 | a | 61.85 | 62.31 | 61.18 | 54.95 | 49.28 | 46.02 | 52.91 | |||||||||||
1970 | 45.45 | 49.54 | a | 48.03 | 46.73 | 55.47 | 60.43 | 62.44 | 63.07 | a | 58.47 | 53.61 | 48.23 | 41.95 | 52.79 | |||||||||||
1971 | 42.52 | 45.05 | 43.90 | 48.75 | b | 54.07 | a | 56.37 | 61.73 | 65.19 | 60.63 | 53.89 | 47.80 | 40.85 | 51.73 | |||||||||||
1972 | 40.95 | 46.10 | 49.93 | a | 47.38 | 56.27 | 59.67 | 65.00 | 64.50 | 59.32 | 54.35 | a | 49.67 | 39.11 | 52.69 | |||||||||||
1973 | 41.44 | 48.86 | 46.73 | 51.13 | 55.52 | 59.45 | 61.84 | 61.03 | 62.02 | 55.26 | 46.02 | 47.68 | c | 53.08 | ||||||||||||
1974 | 40.23 | 44.89 | 47.87 | 50.74 | a | 53.15 | 59.15 | 62.43 | a | 63.69 | 64.33 | a | 56.34 | 49.00 | 46.03 | 53.15 | ||||||||||
1975 | 45.06 | 44.62 | 45.84 | 46.78 | a | 54.85 | 58.41 | a | 62.92 | a | 61.94 | 63.78 | 54.16 | 46.77 | 45.18 | 52.53 | ||||||||||
1976 | 44.37 | 44.32 | a | 45.77 | 48.48 | 55.16 | 56.30 | 62.21 | 62.69 | 63.43 | 56.60 | 50.59 | c | 44.18 | 52.84 | |||||||||||
1977 | 42.95 | 48.11 | 46.21 | 51.71 | a | 52.32 | 60.45 | 61.92 | 66.57 | a | 60.34 | a | 57.18 | 47.90 | a | 46.87 | 53.54 | |||||||||
1978 | 46.97 | 48.43 | 53.13 | a | 50.52 | 54.61 | 62.33 | 63.32 | 64.75 | a | 61.70 | 59.56 | 44.62 | 39.90 | 54.15 | |||||||||||
1979 | 38.32 | 43.62 | 51.97 | a | 51.92 | 56.79 | 59.17 | 64.37 | 65.06 | 65.52 | 58.58 | 47.40 | 47.24 | 54.16 | ||||||||||||
1980 | 40.97 | a | 49.40 | 47.35 | 52.05 | 54.08 | 57.10 | 63.39 | 61.56 | 62.90 | 57.03 | 50.40 | 46.31 | 53.54 | ||||||||||||
1981 | 46.89 | 48.39 | 49.29 | 51.90 | 54.60 | a | 59.57 | 63.23 | 65.85 | a | 63.17 | 55.28 | a | 49.83 | 46.38 | a | 54.53 | |||||||||
1982 | 41.07 | b | 45.11 | 46.85 | 47.83 | 56.10 | 59.68 | 62.00 | 63.95 | 63.14 | a | 55.57 | b | 45.87 | 43.32 | a | 52.54 | |||||||||
1983 | 45.77 | 47.71 | 50.11 | 50.67 | d | 55.83 | b | 60.36 | a | 68.56 | m | ----- | z | 63.81 | c | 56.79 | 49.95 | a | 42.16 | b | 52.32 | b | ||||
1984 | 46.82 | 48.60 | 51.35 | 49.97 | 54.00 | a | 56.15 | 62.73 | a | 64.47 | 61.70 | 55.40 | f | 47.43 | 37.20 | c | 52.77 | a | ||||||||
1985 | 38.82 | a | 39.52 | a | 41.10 | 46.02 | a | 50.07 | b | 60.46 | b | 65.55 | 64.42 | a | 61.24 | a | 55.63 | d | 42.14 | a | 40.12 | a | 50.42 | |||
1986 | 48.43 | d | 48.13 | e | 54.33 | a | 50.72 | a | 56.20 | a | 62.42 | 62.25 | a | 65.13 | a | 60.33 | 58.44 | 51.71 | a | 45.60 | a | 55.31 | ||||
1987 | 44.42 | a | 48.12 | b | 49.82 | 54.32 | 58.78 | b | 60.66 | a | 62.24 | 64.90 | a | 62.20 | 59.13 | 51.61 | c | 42.50 | b | 54.89 | ||||||
1988 | 43.20 | a | 49.41 | 48.03 | 51.43 | a | 54.40 | 58.16 | a | 63.28 | a | 63.55 | 61.43 | 59.06 | 48.66 | a | 43.70 | a | 53.69 | |||||||
1989 | 44.20 | a | 40.46 | b | 47.34 | 55.81 | a | 55.74 | 60.92 | 61.92 | 63.27 | 63.27 | 55.63 | a | 49.17 | 44.65 | 53.53 | |||||||||
1990 | 45.00 | 44.46 | b | 50.65 | 53.93 | b | 54.45 | b | 60.15 | 65.37 | 66.52 | a | 64.77 | 55.25 | c | 47.39 | b | 36.43 | a | 53.70 | ||||||
1991 | 41.71 | 51.31 | a | 46.66 | b | 48.31 | a | 50.71 | 57.80 | 64.39 | 64.85 | a | 66.14 | a | 56.32 | 48.93 | c | 44.03 | 53.43 | |||||||
1992 | 45.43 | c | 51.27 | a | 53.20 | a | 54.87 | 59.85 | a | 62.93 | 65.21 | 65.90 | 61.63 | c | 57.27 | a | 50.91 | b | 43.57 | c | 56.00 | |||||
1993 | 42.58 | a | 46.38 | 52.96 | d | 52.95 | a | 60.10 | b | 61.57 | a | 63.15 | a | 66.33 | b | 63.40 | a | 58.45 | b | 45.57 | a | 44.43 | c | 54.82 | ||
1994 | 48.45 | b | 46.06 | b | 51.59 | c | 55.46 | b | 57.60 | a | 59.43 | a | 64.40 | b | 66.65 | a | 65.79 | b | 57.14 | b | 46.02 | 46.05 | a | 55.39 | ||
1995 | 49.21 | b | 52.37 | a | 50.28 | d | 51.65 | 57.55 | 61.29 | a | 66.27 | a | 65.11 | 65.76 | a | 57.03 | b | ----- | z | ----- | z | 57.65 | 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 | 58.82 | 64.53 | b | 64.26 | b | 61.86 | b | 55.60 | p | 49.68 | m | 39.53 | n | 62.37 | h | |
1999 | 43.78 | o | 44.50 | a | 45.75 | c | 49.36 | i | 53.12 | j | 57.04 | g | 60.36 | t | ----- | z | 60.25 | p | 54.65 | k | 52.14 | p | ----- | z | 45.12 | j |
2000 | 46.00 | r | 46.35 | e | 46.38 | a | 52.32 | b | 54.60 | f | 59.60 | e | 61.24 | l | 61.50 | k | ----- | z | ----- | z | ----- | z | ----- | z | 51.16 | h |
2001 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
2002 | ----- | z | ----- | z | ----- | z | ----- | z | 53.17 | y | 61.89 | k | 63.85 | 62.87 | ----- | z | ----- | z | ----- | z | ----- | z | 63.36 | j | ||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 42.76 | 46.08 | 47.69 | 50.81 | 55.22 | 59.40 | 63.16 | 63.97 | 62.11 | 55.98 | 48.06 | 43.62 | 53.16 | |||||||||||||
S.D. | 3.53 | 3.13 | 2.96 | 2.47 | 2.26 | 1.85 | 1.53 | 1.80 | 2.03 | 1.99 | 2.42 | 2.81 | 1.34 | |||||||||||||
SKEW | -0.77 | 0.06 | 0.21 | -0.17 | -0.01 | -0.01 | 0.16 | 0.45 | 0.26 | -0.18 | -0.61 | -0.51 | 0.01 | |||||||||||||
MAX | 49.21 | 52.98 | 54.33 | 55.81 | 60.10 | 63.62 | 66.89 | 69.48 | 66.14 | 59.56 | 52.77 | 49.45 | 56.00 | |||||||||||||
MIN | 32.06 | 38.91 | 41.10 | 45.10 | 50.07 | 55.10 | 58.71 | 59.52 | 58.47 | 51.55 | 40.47 | 36.43 | 50.26 | |||||||||||||
YRS | 52 | 55 | 54 | 55 | 53 | 56 | 55 | 55 | 54 | 51 | 53 | 52 | 42 |