YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1951 | ----- | z | ----- | z | ----- | z | 42.00 | x | 47.05 | k | 52.72 | e | 59.40 | p | 58.96 | c | 48.83 | 39.26 | 27.63 | 17.29 | 40.78 | f | ||||
1952 | 12.87 | 26.52 | 31.90 | 37.23 | 49.29 | ----- | z | ----- | z | ----- | z | 49.83 | 39.10 | 23.10 | 29.97 | 33.31 | c | |||||||||
1953 | 33.74 | 30.89 | 34.13 | 37.37 | 43.58 | 50.43 | 57.29 | 56.16 | 48.33 | 39.32 | 31.93 | 30.10 | 41.11 | |||||||||||||
1954 | 17.39 | 32.32 | 27.87 | 35.77 | 46.23 | 47.93 | 55.90 | a | 55.74 | 46.97 | 34.61 | 35.90 | 23.29 | 38.33 | ||||||||||||
1955 | 23.77 | 23.50 | 26.74 | 33.73 | 44.58 | 53.47 | 56.87 | a | 53.90 | 47.70 | 40.16 | 22.83 | 20.06 | 37.28 | ||||||||||||
1956 | 24.45 | 16.83 | 33.19 | 39.13 | 49.32 | 49.33 | 61.52 | 58.26 | 47.80 | 39.61 | 29.50 | 27.39 | 39.69 | |||||||||||||
1957 | 8.07 | b | 21.50 | b | 34.52 | 40.80 | 51.45 | 54.47 | 56.10 | 53.77 | 48.73 | 40.26 | 26.90 | 29.52 | 38.84 | |||||||||||
1958 | 30.13 | 36.57 | 31.27 | a | 38.77 | 52.45 | 57.70 | 62.74 | 62.19 | 47.53 | 36.55 | 30.86 | a | 29.16 | 42.99 | |||||||||||
1959 | 24.32 | 26.96 | 34.65 | 38.67 | 42.97 | a | 54.17 | 61.26 | 57.77 | 49.00 | 39.42 | 24.20 | 25.38 | b | 39.90 | |||||||||||
1960 | 13.68 | 27.38 | 30.97 | 37.53 | 45.67 | a | 54.00 | 62.35 | 58.17 | a | 49.47 | 39.42 | 30.13 | 23.48 | 39.35 | |||||||||||
1961 | 26.93 | a | 35.18 | 34.94 | 40.17 | 46.13 | 55.63 | 60.55 | 62.37 | a | 46.23 | 34.16 | 20.83 | 23.55 | 40.56 | |||||||||||
1962 | 19.97 | 27.32 | 28.90 | 39.60 | 43.71 | 52.80 | 56.29 | 54.23 | 44.40 | ----- | z | 34.59 | a | 30.19 | 39.27 | a | ||||||||||
1963 | 16.63 | a | 29.07 | 34.90 | 38.40 | 44.45 | b | 55.77 | 56.58 | 57.61 | 52.50 | 41.74 | 33.07 | a | 25.26 | 40.50 | ||||||||||
1964 | 27.07 | b | 25.86 | a | 31.58 | 37.83 | 45.65 | 55.80 | 58.32 | 55.06 | 45.27 | 37.27 | a | 32.38 | a | 19.52 | b | 39.30 | ||||||||
1965 | 26.13 | 31.04 | 29.16 | 40.77 | 46.77 | 53.70 | 58.48 | 59.55 | 46.90 | 39.97 | a | 34.45 | a | 25.00 | 40.99 | |||||||||||
1966 | 26.23 | 30.39 | 32.35 | 39.80 | 46.10 | 52.90 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 37.96 | f | ||||||
1967 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1968 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1969 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1970 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 45.03 | 33.97 | 28.66 | a | 20.29 | 31.99 | h | |||
1971 | 24.97 | 27.68 | 29.00 | 36.77 | 48.32 | 50.00 | 58.03 | 60.81 | 45.00 | 36.13 | 30.10 | 20.32 | 38.93 | |||||||||||||
1972 | 20.03 | 24.64 | a | 34.84 | 36.10 | 48.32 | 54.53 | 56.97 | 58.26 | 44.80 | 34.87 | 31.43 | 19.13 | 38.66 | ||||||||||||
1973 | 20.13 | 28.25 | 34.06 | 38.83 | 47.13 | 54.00 | 58.68 | 56.48 | 49.13 | 39.58 | 30.73 | 30.30 | a | 40.61 | ||||||||||||
1974 | 19.58 | 29.74 | a | 33.16 | 41.53 | 43.90 | 54.90 | 56.94 | 55.29 | 45.83 | 33.87 | 32.63 | 28.81 | 39.68 | ||||||||||||
1975 | 22.26 | 23.39 | 29.94 | 34.87 | 45.89 | c | 52.54 | f | 63.06 | 56.55 | 46.50 | 40.47 | a | 29.43 | 25.32 | 37.97 | a | |||||||||
1976 | 24.87 | 28.45 | 30.06 | 38.17 | 44.87 | 50.93 | 57.87 | 55.16 | 49.70 | 33.74 | 26.03 | 20.48 | 38.36 | |||||||||||||
1977 | 17.81 | 27.50 | 32.71 | 40.10 | a | 44.39 | 55.53 | 56.94 | 60.68 | 46.60 | 35.19 | 28.10 | 26.45 | 39.33 | ||||||||||||
1978 | 25.48 | 28.79 | 34.90 | 41.23 | 45.65 | 52.97 | 58.77 | 56.55 | 48.73 | 32.55 | 22.50 | 18.58 | 38.89 | |||||||||||||
1979 | 4.74 | 22.22 | a | 31.29 | 34.60 | 47.83 | b | ----- | z | 58.29 | 56.16 | 48.60 | 39.97 | 25.73 | 29.55 | 36.27 | a | |||||||||
1980 | 15.16 | 27.59 | 33.26 | 40.47 | 45.77 | 51.57 | 55.03 | 52.32 | 48.30 | 35.13 | 31.77 | 28.58 | 38.75 | |||||||||||||
1981 | 32.87 | 29.18 | 32.81 | 39.03 | 45.65 | 50.97 | a | 56.00 | 56.48 | 45.70 | 35.74 | 30.27 | 23.19 | 39.82 | ||||||||||||
1982 | 18.87 | 24.67 | a | 30.46 | c | 32.24 | a | 42.74 | 54.90 | a | 56.50 | a | 56.07 | b | 47.44 | c | 35.32 | 26.79 | a | 24.16 | 37.51 | |||||
1983 | 28.18 | c | 30.46 | 36.39 | 34.75 | f | 46.03 | a | 51.57 | 55.97 | b | 57.68 | c | 43.52 | a | 33.43 | c | 34.32 | b | 12.74 | 39.12 | a | ||||
1984 | 24.87 | a | 30.36 | a | 34.80 | a | 37.76 | a | 41.17 | a | 50.66 | a | 56.58 | 55.35 | 43.48 | a | 32.07 | a | 30.21 | b | 14.23 | 37.63 | ||||
1985 | 21.84 | 16.32 | 28.10 | 39.37 | 45.94 | 52.52 | a | 60.17 | b | 52.38 | e | 44.03 | a | 34.16 | 16.72 | a | 12.67 | a | 35.35 | |||||||
1986 | 24.06 | 27.00 | 35.13 | a | 37.37 | 47.16 | 56.41 | a | 55.33 | a | 59.41 | b | 47.30 | 36.04 | c | 33.70 | c | 25.13 | 40.34 | |||||||
1987 | 21.32 | 28.32 | 33.41 | b | 40.53 | 48.40 | a | 52.22 | c | 58.77 | 54.00 | b | 44.96 | b | 32.68 | 29.07 | a | 22.03 | b | 38.81 | ||||||
1988 | 21.90 | 24.79 | 30.71 | 39.03 | 45.52 | 52.93 | 58.32 | 54.13 | 45.39 | b | 40.17 | a | 33.41 | a | 21.90 | 39.02 | ||||||||||
1989 | 25.61 | 16.21 | 31.90 | 40.67 | 45.39 | 55.23 | 56.32 | 57.19 | 44.30 | 37.67 | a | 34.43 | 26.61 | 39.30 | ||||||||||||
1990 | 30.68 | 23.75 | 30.03 | 40.73 | 45.48 | 54.03 | 60.61 | 58.42 | 49.90 | 37.39 | 32.07 | 13.29 | 39.70 | |||||||||||||
1991 | 16.68 | 30.14 | 30.06 | 38.20 | 45.52 | 50.80 | 58.47 | a | 58.50 | a | 46.90 | 34.71 | 32.60 | 29.07 | a | 39.30 | ||||||||||
1992 | 29.55 | 31.00 | b | ----- | z | ----- | z | 45.39 | 57.97 | ----- | z | 56.80 | a | 46.53 | 37.42 | 33.20 | 19.10 | 39.66 | c | |||||||
1993 | 15.52 | 22.15 | a | 30.06 | 39.47 | 49.35 | 54.13 | 56.10 | 54.39 | 45.83 | 38.42 | 21.07 | 29.06 | 37.96 | ||||||||||||
1994 | 29.87 | 27.50 | 30.00 | 43.97 | 48.45 | 52.20 | 60.45 | 57.73 | a | 49.37 | 38.19 | 29.97 | 26.58 | 41.19 | ||||||||||||
1995 | 26.06 | 32.07 | 32.71 | 38.23 | 45.87 | 51.17 | 59.37 | a | 52.65 | 49.80 | 38.07 | a | 32.66 | a | 26.57 | a | 40.43 | |||||||||
1996 | 18.23 | 20.59 | 31.26 | 40.80 | 44.16 | 51.93 | a | 57.50 | a | 54.00 | 46.55 | a | 38.26 | 26.80 | 18.53 | a | 37.38 | |||||||||
1997 | 22.81 | 28.82 | 35.16 | 36.87 | 47.35 | 53.83 | 57.03 | 58.07 | a | 50.77 | 39.90 | 31.03 | 26.35 | 40.67 | ||||||||||||
1998 | 25.17 | b | 31.81 | a | 34.68 | 37.17 | 47.68 | 54.67 | 64.26 | 58.71 | 51.90 | 36.97 | 36.37 | 22.84 | 41.85 | |||||||||||
1999 | 30.10 | 32.14 | 33.84 | 35.57 | 43.29 | 54.17 | 55.39 | 59.58 | 43.60 | 36.68 | 36.47 | 31.45 | 41.02 | |||||||||||||
2000 | 24.87 | 29.69 | 32.87 | 40.28 | a | 47.06 | 52.67 | 57.74 | 56.90 | 47.73 | 37.81 | 25.37 | 23.77 | 39.73 | ||||||||||||
2001 | 26.81 | 25.04 | a | 32.81 | 38.60 | 44.87 | 52.07 | 58.97 | 57.52 | 47.37 | 38.03 | 33.50 | 28.29 | 40.32 | ||||||||||||
2002 | 29.58 | 26.82 | 29.39 | 38.00 | 44.48 | 54.67 | 59.71 | ----- | z | 47.43 | 31.48 | 28.30 | 32.87 | a | 38.43 | a | ||||||||||
2003 | 32.19 | 28.21 | 35.84 | 40.03 | 45.32 | 55.73 | 59.58 | 56.90 | 50.07 | 41.37 | a | 24.13 | 27.16 | 41.38 | ||||||||||||
2004 | 25.26 | 27.76 | 34.52 | 37.40 | 48.13 | 52.43 | 60.81 | 60.13 | 49.80 | 42.34 | b | 28.93 | a | 29.10 | a | 41.38 | ||||||||||
2005 | 22.68 | 22.54 | 33.26 | 38.23 | 47.90 | 55.18 | b | 57.52 | 55.27 | a | 47.23 | 40.97 | 30.77 | 22.32 | 39.49 | |||||||||||
2006 | 31.23 | a | 24.75 | 31.67 | a | 38.40 | 44.32 | 54.00 | 60.87 | 54.58 | 45.67 | 35.90 | a | 29.93 | 21.77 | 39.42 | ||||||||||
2007 | 20.00 | a | 29.61 | 33.94 | 37.07 | 44.29 | 51.13 | 62.19 | 54.29 | 48.03 | 36.13 | 25.77 | 25.44 | m | 40.22 | a | ||||||||||
2008 | 13.78 | d | 27.52 | 28.68 | 31.63 | 47.84 | 48.56 | l | 57.07 | q | 54.16 | 42.91 | g | 36.12 | e | 33.80 | e | 18.73 | t | 34.19 | d | |||||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 22.96 | 27.15 | 32.21 | 38.33 | 46.14 | 53.31 | 58.48 | 56.73 | 47.33 | 37.16 | 29.58 | 24.19 | 39.56 | |||||||||||||
S.D. | 6.18 | 4.24 | 2.35 | 2.33 | 2.15 | 2.09 | 2.27 | 2.42 | 2.15 | 2.72 | 4.31 | 5.02 | 1.42 | |||||||||||||
SKEW | -0.64 | -0.63 | -0.31 | -0.67 | 0.54 | -0.14 | 0.62 | 0.27 | 0.14 | -0.16 | -0.74 | -0.57 | -0.32 | |||||||||||||
MAX | 33.74 | 36.57 | 36.39 | 43.97 | 52.45 | 57.97 | 64.26 | 62.37 | 52.50 | 42.34 | 36.47 | 32.87 | 42.99 | |||||||||||||
MIN | 4.74 | 16.21 | 26.74 | 31.63 | 41.17 | 47.93 | 55.03 | 52.32 | 43.48 | 31.48 | 16.72 | 12.67 | 35.35 | |||||||||||||
YRS | 53 | 53 | 52 | 51 | 53 | 50 | 49 | 51 | 53 | 53 | 54 | 52 | 43 |