YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1956 | 39.47 | 35.29 | 41.82 | 48.79 | b | 55.25 | a | 56.25 | 61.50 | 60.15 | 56.17 | 49.56 | 41.67 | 39.58 | 48.79 | |||||||||||
1957 | 29.76 | 37.38 | 44.55 | 50.05 | 57.03 | 59.47 | 60.29 | 61.17 | b | 60.00 | 50.34 | 43.00 | 43.76 | 49.73 | ||||||||||||
1958 | 43.92 | 47.66 | 44.85 | 49.53 | 58.40 | 63.53 | 66.77 | 64.48 | 58.31 | a | 51.89 | 42.90 | 44.89 | 53.10 | ||||||||||||
1959 | 41.02 | b | 40.66 | 44.72 | f | 49.28 | 53.95 | 60.00 | 63.31 | 60.42 | 56.68 | 50.81 | 42.52 | a | 40.44 | 50.83 | a | |||||||||
1960 | 38.79 | 42.67 | h | 43.85 | 49.78 | 53.66 | 58.07 | 63.06 | 61.30 | a | 55.80 | 52.56 | 43.67 | 39.73 | a | 50.94 | a | |||||||||
1961 | 43.68 | a | 45.59 | 46.55 | 48.48 | 54.63 | 60.75 | 63.77 | 64.27 | 55.75 | 48.42 | 41.60 | 39.87 | 51.11 | ||||||||||||
1962 | 38.66 | 43.05 | 42.52 | 49.72 | 52.03 | 58.28 | 60.71 | 61.95 | 58.38 | 52.35 | 46.57 | 42.66 | 50.57 | |||||||||||||
1963 | 33.56 | 46.80 | 44.35 | 48.58 | 54.61 | 58.45 | a | 60.24 | b | 62.55 | 60.98 | c | 54.02 | 45.02 | b | 42.03 | 50.93 | |||||||||
1964 | 41.48 | b | 40.12 | 43.03 | 45.33 | 51.27 | 57.17 | 60.23 | 59.68 | 54.78 | 50.43 | a | 40.67 | 35.21 | c | 48.28 | ||||||||||
1965 | 38.26 | 40.70 | c | 42.74 | 48.85 | 50.92 | 56.88 | 61.87 | 61.97 | a | 53.71 | b | 53.00 | a | 47.16 | a | 39.56 | 49.64 | ||||||||
1966 | 40.38 | a | 41.85 | a | 44.37 | 48.05 | 52.11 | 56.83 | a | 59.66 | 61.03 | 59.30 | 49.18 | 45.58 | 44.43 | a | 50.23 | |||||||||
1967 | 42.55 | 42.19 | a | 42.25 | a | 45.98 | 53.52 | a | 60.65 | 61.98 | 64.77 | 60.22 | a | 52.82 | 44.53 | 39.90 | 50.95 | |||||||||
1968 | 40.10 | 44.05 | 46.90 | 46.68 | 54.42 | 57.50 | 63.18 | 61.10 | 56.53 | a | 49.61 | 44.73 | 35.90 | 50.06 | ||||||||||||
1969 | 30.15 | 40.04 | 44.32 | 48.05 | a | 55.63 | a | 61.92 | 60.13 | 58.97 | 57.33 | 49.23 | 45.07 | 42.17 | a | 49.42 | ||||||||||
1970 | 38.95 | 44.06 | a | 43.81 | 46.17 | 52.11 | 58.95 | 60.95 | 60.40 | b | 54.58 | 47.66 | 43.47 | a | 38.69 | b | 49.15 | |||||||||
1971 | 38.74 | d | 40.81 | a | 41.34 | 47.93 | a | 53.08 | 55.43 | 61.02 | 64.23 | 55.33 | a | 47.89 | 44.81 | a | 35.53 | 48.84 | ||||||||
1972 | 34.40 | 40.52 | 45.81 | 45.67 | 55.08 | 57.17 | 61.29 | 62.72 | b | 54.00 | c | 48.30 | a | 45.07 | a | 36.89 | 48.91 | |||||||||
1973 | 38.78 | a | 42.70 | 45.13 | 48.07 | 54.98 | 58.58 | 61.18 | a | 59.73 | 59.15 | 50.98 | 42.05 | 43.27 | a | 50.38 | ||||||||||
1974 | 37.65 | a | 42.27 | 44.79 | 49.03 | 51.27 | 58.32 | 60.24 | 62.00 | 60.73 | 50.77 | 46.33 | 43.21 | 50.55 | ||||||||||||
1975 | 38.76 | 39.81 | a | 42.90 | 45.45 | 53.73 | 56.70 | 62.06 | 60.73 | a | 58.00 | 51.06 | 44.63 | 41.26 | 49.59 | |||||||||||
1976 | 41.90 | 41.00 | 41.79 | 48.63 | 54.08 | 55.97 | 62.00 | 60.27 | 59.30 | 50.95 | 44.43 | 42.83 | a | 50.26 | ||||||||||||
1977 | 36.47 | a | 45.50 | a | 43.35 | 49.52 | a | 52.74 | b | 59.12 | a | 60.47 | a | 64.92 | 56.27 | 50.32 | 42.52 | 40.67 | a | 50.15 | ||||||
1978 | 41.19 | 44.61 | 46.94 | 49.79 | b | 53.58 | a | 61.29 | a | 63.74 | b | 63.34 | 57.42 | 51.34 | 39.57 | 36.32 | a | 50.76 | ||||||||
1979 | 32.58 | 40.38 | 45.87 | 48.42 | 55.11 | 57.58 | 62.85 | 61.82 | 60.70 | 52.44 | 41.60 | 44.11 | 50.29 | |||||||||||||
1980 | 34.24 | 44.03 | 43.98 | 50.50 | 53.27 | 56.62 | 60.45 | 59.50 | 56.55 | 51.02 | 45.81 | a | 43.11 | 49.92 | ||||||||||||
1981 | 43.21 | 42.57 | 47.11 | 48.10 | 53.66 | 56.13 | 61.05 | 63.42 | 58.03 | 49.31 | 46.97 | 40.26 | 50.82 | |||||||||||||
1982 | 37.19 | 41.43 | 43.18 | 46.07 | 52.71 | 60.07 | a | 59.63 | 60.98 | 58.90 | 51.53 | b | 41.74 | a | 40.38 | b | 49.48 | |||||||||
1983 | 44.00 | 44.94 | b | 48.27 | 48.72 | 55.97 | 58.65 | 61.03 | 63.21 | 56.27 | 49.50 | 47.45 | 34.43 | c | 51.04 | |||||||||||
1984 | 41.85 | 44.35 | b | 47.63 | 48.70 | 52.97 | 58.33 | 61.55 | 62.27 | 56.55 | 48.32 | 43.97 | 34.03 | 50.04 | ||||||||||||
1985 | 33.84 | b | 38.59 | 42.74 | 48.70 | 54.10 | 57.75 | 64.71 | 62.05 | 55.78 | 50.58 | 33.03 | 35.35 | 48.10 | ||||||||||||
1986 | 45.84 | 40.91 | 48.53 | 46.77 | 54.76 | 59.40 | 59.71 | 64.32 | 57.08 | 51.61 | 43.97 | 40.95 | 51.15 | |||||||||||||
1987 | 39.95 | b | 45.36 | 48.35 | 50.72 | 54.82 | 59.40 | 61.47 | 62.10 | 58.55 | 50.18 | 48.27 | b | 39.31 | b | 51.54 | ||||||||||
1988 | 39.15 | 42.16 | 43.61 | 48.15 | 53.71 | 57.47 | 60.68 | 61.37 | 56.17 | 52.40 | 44.62 | 41.19 | 50.06 | |||||||||||||
1989 | 39.67 | a | 33.85 | b | 43.55 | a | 50.78 | 53.44 | 59.83 | 60.44 | 61.15 | 58.02 | 50.53 | 45.45 | 40.94 | 49.80 | ||||||||||
1990 | 41.19 | 37.07 | 44.97 | 50.50 | 53.84 | 58.48 | 64.19 | 64.06 | 58.37 | 49.77 | 45.04 | b | 34.10 | 50.13 | ||||||||||||
1991 | 38.29 | b | 46.50 | 42.47 | 47.93 | 53.15 | 56.22 | 61.79 | 62.97 | 58.28 | 48.02 | 45.65 | 44.25 | a | 50.46 | |||||||||||
1992 | 43.95 | a | 45.66 | 48.15 | ----- | z | 57.27 | 61.90 | 63.24 | 63.03 | 56.82 | 52.61 | 44.58 | 37.20 | d | 52.22 | a | |||||||||
1993 | 33.61 | 39.88 | 46.69 | 51.30 | 59.19 | 60.05 | i | 60.61 | 62.47 | 57.12 | 53.06 | 39.30 | c | 40.69 | 49.45 | a | ||||||||||
1994 | 44.77 | 40.50 | 46.65 | 51.35 | 56.48 | 57.77 | 63.89 | 63.79 | 60.50 | 50.00 | 41.38 | a | 41.16 | 51.52 | ||||||||||||
1995 | 42.52 | a | 43.88 | 46.18 | 49.33 | 56.24 | 60.62 | 64.39 | 61.50 | 61.57 | 51.19 | 48.95 | 41.83 | a | 52.35 | |||||||||||
1996 | 39.24 | 41.98 | a | 46.29 | 51.93 | 52.73 | 58.65 | 63.71 | 63.39 | 56.68 | 50.32 | 43.12 | 37.65 | 50.47 | ||||||||||||
1997 | 41.42 | 42.07 | 45.85 | 49.93 | 57.95 | 59.97 | 62.84 | 65.89 | 61.10 | 51.68 | 47.63 | 41.97 | 52.36 | |||||||||||||
1998 | 42.65 | 46.46 | 47.10 | 49.20 | 55.00 | 59.58 | ----- | z | 64.34 | 59.93 | 51.60 | 47.48 | 39.95 | 51.21 | a | |||||||||||
1999 | 42.61 | 43.75 | 44.92 | 47.68 | 51.95 | 57.72 | 60.97 | 62.92 | 57.50 | a | 50.05 | 48.17 | 41.37 | 50.80 | ||||||||||||
2000 | 40.26 | ----- | z | 45.11 | 50.63 | 54.16 | 59.97 | ----- | z | 61.71 | 58.25 | ----- | z | ----- | z | 40.08 | 51.27 | d | ||||||||
2001 | 42.45 | b | 39.45 | 45.16 | 47.72 | a | 54.31 | 57.37 | ----- | z | 63.29 | 57.85 | 49.76 | 47.28 | 40.82 | 49.59 | a | |||||||||
2002 | 41.26 | ----- | z | 40.95 | 48.58 | 53.02 | ----- | z | 62.74 | 62.92 | a | 58.00 | 49.65 | 47.20 | 44.02 | h | 51.59 | c | ||||||||
2003 | 44.06 | d | 40.77 | 46.84 | 49.65 | 54.97 | 61.62 | ----- | z | ----- | z | 60.07 | 54.53 | 41.00 | b | 42.43 | a | 49.59 | b | |||||||
2004 | 41.24 | 43.90 | 47.92 | 52.47 | 56.50 | 61.55 | 65.00 | f | 66.47 | 57.62 | a | 50.79 | 43.43 | 40.98 | 51.17 | a | ||||||||||
2005 | 39.56 | d | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 39.56 | k |
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 39.58 | 42.11 | 44.92 | 48.78 | 54.27 | 58.72 | 61.85 | 62.36 | 57.78 | 50.71 | 44.18 | 40.15 | 50.30 | |||||||||||||
S.D. | 3.70 | 2.98 | 2.04 | 1.67 | 1.83 | 1.84 | 1.61 | 1.71 | 1.93 | 1.59 | 2.87 | 2.89 | 1.06 | |||||||||||||
SKEW | -0.84 | -0.47 | 0.01 | -0.16 | 0.58 | 0.42 | 0.80 | 0.19 | 0.03 | 0.17 | -1.17 | -0.59 | 0.30 | |||||||||||||
MAX | 45.84 | 47.66 | 48.53 | 52.47 | 59.19 | 63.53 | 66.77 | 66.47 | 61.57 | 54.53 | 48.95 | 44.89 | 53.10 | |||||||||||||
MIN | 29.76 | 33.85 | 40.95 | 45.33 | 50.92 | 55.43 | 59.63 | 58.97 | 53.71 | 47.66 | 33.03 | 34.03 | 48.10 | |||||||||||||
YRS | 50 | 46 | 48 | 48 | 49 | 47 | 44 | 48 | 49 | 48 | 48 | 48 | 39 |