YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1957 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 31.10 | 27.19 | 29.15 | j | ||
1958 | 24.29 | 34.39 | 34.39 | 42.23 | 55.97 | 65.17 | 68.84 | 70.32 | 59.93 | 49.19 | 34.63 | 28.19 | 47.30 | |||||||||||||
1959 | 25.97 | 30.61 | 36.29 | 48.17 | 54.23 | 66.73 | 71.94 | 67.90 | 59.67 | 47.65 | 34.48 | a | 28.23 | 47.65 | ||||||||||||
1960 | 20.55 | 28.41 | 40.03 | 45.63 | 53.74 | 65.30 | 70.13 | a | 68.65 | 62.00 | 47.32 | 36.03 | 23.40 | a | 46.77 | |||||||||||
1961 | 22.55 | 32.54 | 36.97 | 44.53 | 52.84 | 66.37 | 69.61 | 65.94 | 54.77 | 44.55 | 32.03 | 18.70 | a | 45.12 | ||||||||||||
1962 | 21.19 | 31.00 | 30.65 | 46.27 | 48.84 | 59.57 | 67.84 | 66.16 | 59.53 | 47.81 | 37.57 | 25.55 | 45.16 | |||||||||||||
1963 | 14.71 | 33.71 | 34.00 | 40.67 | 54.48 | 59.20 | 71.19 | 65.90 | a | 59.80 | 52.03 | 35.83 | 22.16 | 45.31 | ||||||||||||
1964 | 19.35 | 23.66 | 30.61 | 41.77 | 50.35 | 59.70 | 69.94 | 66.97 | 58.03 | 49.48 | 31.10 | 27.03 | 44.00 | |||||||||||||
1965 | 27.74 | 28.61 | 33.06 | 42.07 | 48.32 | 56.43 | 67.58 | 64.84 | 54.50 | 46.32 | 39.03 | 27.23 | 44.64 | |||||||||||||
1966 | 22.10 | 23.32 | 35.81 | 44.30 | 54.87 | 61.80 | 68.35 | 68.16 | 58.33 | 45.26 | 35.83 | 25.74 | 45.32 | |||||||||||||
1967 | 20.87 | 28.46 | 37.35 | 38.10 | 49.61 | 58.03 | 68.61 | 66.13 | 57.13 | 45.35 | 34.43 | 15.52 | 43.30 | |||||||||||||
1968 | 12.94 | 32.45 | 35.16 | 38.33 | 49.39 | ----- | z | 65.94 | 60.26 | 53.60 | 43.26 | 32.07 | c | 17.75 | g | 42.34 | b | |||||||||
1969 | 25.00 | e | 25.75 | d | 28.88 | e | 40.85 | d | 51.93 | d | 56.96 | e | 66.19 | e | 68.13 | 59.03 | 41.94 | 31.00 | b | 25.19 | 43.40 | |||||
1970 | 23.16 | 33.07 | 35.55 | 39.10 | 53.13 | 62.23 | 68.29 | 68.63 | a | 55.33 | 42.90 | 34.70 | 26.45 | 45.21 | ||||||||||||
1971 | 23.10 | 29.29 | 34.65 | 42.07 | 49.48 | 62.80 | 70.13 | a | 68.50 | a | 57.00 | 44.26 | 33.40 | 23.71 | 44.86 | |||||||||||
1972 | 25.87 | 29.97 | 42.74 | 45.43 | 53.52 | 63.30 | 70.10 | 66.07 | a | 57.67 | 48.32 | 33.63 | 23.61 | 46.69 | ||||||||||||
1973 | 21.26 | 30.29 | 34.71 | 41.87 | 54.42 | 61.60 | 68.16 | 67.26 | 56.24 | a | 46.24 | b | 37.10 | 28.10 | 45.60 | |||||||||||
1974 | 24.42 | 24.84 | c | 40.21 | b | 42.00 | 55.74 | 66.13 | 68.61 | 65.87 | 58.97 | 49.55 | 36.20 | 27.52 | 46.67 | |||||||||||
1975 | 24.13 | 29.36 | 36.42 | 40.53 | ----- | z | ----- | z | 69.13 | 66.32 | 60.00 | a | 44.00 | a | 33.37 | 28.03 | 43.13 | b | ||||||||
1976 | 24.77 | 34.25 | a | 35.26 | 44.17 | 56.55 | 63.13 | 70.32 | 66.06 | 58.89 | c | 45.50 | a | 35.37 | 24.10 | 46.53 | ||||||||||
1977 | 25.90 | 31.79 | 33.39 | 47.73 | 52.81 | 67.93 | 71.94 | 70.13 | a | 62.17 | 49.39 | 38.10 | 34.61 | 48.82 | ||||||||||||
1978 | 32.42 | 34.36 | 42.32 | 47.97 | 53.58 | 66.43 | 72.26 | 68.97 | 59.34 | a | 50.84 | 38.93 | 22.22 | d | 49.14 | |||||||||||
1979 | 22.52 | 26.21 | 36.68 | 46.63 | 54.28 | b | 62.43 | 69.93 | a | 65.42 | 61.77 | 50.68 | c | 33.00 | 28.23 | 46.48 | ||||||||||
1980 | 32.71 | 34.55 | 36.29 | 43.93 | 50.81 | 61.90 | 69.71 | 67.10 | 58.97 | 46.97 | 35.73 | 32.90 | 47.63 | |||||||||||||
1981 | 31.26 | 33.14 | 39.72 | b | 49.57 | 54.81 | 66.93 | a | 69.26 | 66.42 | 61.50 | 47.06 | 38.30 | 32.16 | 49.18 | |||||||||||
1982 | 25.96 | e | 30.29 | 38.84 | 44.36 | b | 53.57 | a | 61.47 | 68.32 | 67.66 | b | 60.57 | 42.06 | 36.60 | 29.35 | 46.59 | |||||||||
1983 | 28.87 | 34.16 | c | 39.34 | b | 40.43 | 52.00 | 62.77 | 69.32 | 67.94 | 62.20 | e | 48.74 | 37.63 | c | ----- | z | 49.40 | a | |||||||
1984 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1985 | ----- | z | 28.52 | a | 38.13 | 47.67 | 54.83 | a | 64.80 | 69.87 | 67.77 | 55.33 | 47.80 | a | 35.93 | a | 29.23 | 49.08 | a | |||||||
1986 | 30.81 | 36.11 | 42.55 | 46.33 | 53.94 | 65.76 | a | 67.77 | 68.87 | a | 56.23 | 45.03 | 37.40 | 29.61 | 48.37 | |||||||||||
1987 | 24.68 | 32.14 | 35.43 | a | 47.20 | 54.57 | a | 64.67 | 66.48 | 65.90 | 58.93 | 50.87 | a | 36.17 | 27.24 | b | 47.02 | |||||||||
1988 | 26.10 | a | 31.59 | 36.18 | c | 44.79 | a | 53.07 | b | 65.70 | c | 70.35 | 67.87 | a | 57.38 | a | 52.00 | 36.28 | a | 25.72 | b | 47.25 | ||||
1989 | 19.29 | 27.61 | 41.77 | 50.73 | 54.57 | a | 63.20 | 70.93 | a | 66.53 | a | 59.64 | b | 47.06 | 36.10 | 26.52 | 47.00 | |||||||||
1990 | 25.93 | c | 29.61 | 40.50 | e | 48.67 | c | 53.42 | 66.69 | a | 68.97 | a | 67.26 | 62.77 | 47.00 | 35.23 | 18.47 | a | 47.04 | |||||||
1991 | 23.84 | 30.52 | c | 35.90 | b | 41.33 | c | 49.33 | a | 63.93 | a | 69.89 | c | 68.39 | ----- | z | 49.55 | 33.67 | 26.93 | a | 44.84 | a | ||||
1992 | 22.39 | 32.64 | d | 38.25 | c | 50.21 | a | 55.48 | 61.73 | 66.73 | e | 67.42 | 59.17 | 51.06 | 33.17 | 23.13 | 46.78 | |||||||||
1993 | 29.87 | 32.86 | 39.81 | 46.53 | 54.61 | 60.63 | 68.26 | 66.16 | 58.10 | 46.61 | 32.67 | 26.23 | 46.86 | |||||||||||||
1994 | 26.65 | 28.64 | 40.48 | 45.83 | 55.13 | a | 67.10 | 71.06 | 70.45 | 60.70 | 46.61 | 31.30 | 29.13 | 47.76 | ||||||||||||
1995 | 30.42 | 36.14 | 39.87 | 42.67 | 50.81 | 59.14 | a | 67.26 | 69.65 | 61.66 | a | 46.87 | 39.23 | 31.68 | 47.95 | |||||||||||
1996 | 28.52 | 34.69 | 38.27 | a | 46.40 | 58.03 | 65.87 | 72.68 | 68.87 | 58.25 | b | 46.23 | 36.00 | 30.48 | 48.69 | |||||||||||
1997 | 29.55 | 30.37 | a | 38.74 | 42.97 | 57.29 | 63.00 | 67.90 | 67.65 | 61.20 | 45.68 | 36.70 | 27.19 | 47.35 | ||||||||||||
1998 | 30.58 | 31.82 | 36.52 | 41.47 | 52.32 | 59.97 | 70.68 | 68.81 | 60.83 | 46.00 | 35.60 | 27.03 | 46.80 | |||||||||||||
1999 | 30.10 | 31.18 | 39.48 | 39.80 | 51.81 | 63.20 | 69.10 | 65.45 | 58.37 | 47.26 | 35.55 | a | 26.70 | a | 46.50 | |||||||||||
2000 | 30.29 | 33.07 | a | 37.26 | 49.07 | 58.29 | 66.20 | 70.39 | 70.19 | 60.77 | 49.19 | 31.20 | 29.68 | 48.80 | ||||||||||||
2001 | 27.52 | 30.70 | a | 39.65 | 45.80 | 57.03 | 64.28 | a | 69.26 | 67.65 | 62.33 | 50.67 | a | 38.57 | 26.03 | 48.29 | ||||||||||
2002 | 26.06 | 27.96 | 33.68 | 49.03 | a | 54.03 | 66.80 | 73.55 | 69.26 | 60.10 | 46.60 | a | 35.31 | a | 29.57 | a | 47.66 | |||||||||
2003 | 31.77 | 32.39 | 38.63 | a | 43.73 | 56.65 | 65.47 | 74.16 | 70.87 | 60.93 | 52.10 | b | 35.48 | a | 27.42 | 49.13 | ||||||||||
2004 | 24.84 | 27.79 | 43.23 | 47.00 | 56.94 | 64.67 | 69.17 | a | 66.55 | 57.21 | a | 47.67 | a | 35.36 | b | 27.55 | 47.33 | |||||||||
2005 | 32.48 | 33.79 | 38.52 | 42.97 | 55.16 | 61.23 | 72.03 | 66.29 | 59.73 | 48.81 | 35.83 | 26.65 | 47.79 | |||||||||||||
2006 | 26.61 | 28.71 | 34.90 | 46.27 | 58.87 | 67.10 | 72.84 | 68.77 | 57.10 | 47.03 | 36.40 | 26.06 | 47.56 | |||||||||||||
2007 | 22.29 | 32.39 | 39.60 | a | 46.93 | 56.23 | 66.33 | 72.68 | 70.42 | 61.62 | a | 46.52 | 37.60 | 26.84 | 48.29 | |||||||||||
2008 | 24.39 | 30.93 | 37.71 | 42.97 | 51.13 | 63.27 | 71.63 | a | 69.55 | 60.38 | a | 47.42 | 38.13 | 28.03 | 47.13 | |||||||||||
2009 | 28.13 | 30.93 | 37.48 | 44.47 | 58.27 | a | 61.11 | b | 71.58 | 65.58 | 63.21 | a | 45.55 | 35.43 | 24.03 | 47.15 | ||||||||||
2010 | 26.71 | 31.18 | 36.58 | 43.47 | 50.61 | 63.03 | 70.58 | 66.87 | a | 60.50 | 49.13 | 33.63 | 32.16 | 47.04 | ||||||||||||
2011 | 23.55 | 26.29 | 38.45 | 43.03 | 48.39 | 63.60 | 68.94 | 70.00 | 60.30 | 45.23 | 32.23 | 26.16 | 45.51 | |||||||||||||
2012 | 27.39 | 30.34 | 37.39 | 46.87 | 58.28 | b | 59.72 | l | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 40.05 | g | ||||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 25.55 | 30.73 | 37.30 | 44.50 | 53.74 | 63.39 | 69.74 | 67.56 | 59.22 | 47.32 | 35.25 | 26.74 | 46.84 | |||||||||||||
S.D. | 4.23 | 2.96 | 3.05 | 3.12 | 2.78 | 2.83 | 1.88 | 1.87 | 2.26 | 2.48 | 2.23 | 3.49 | 1.45 | |||||||||||||
SKEW | -0.53 | -0.49 | -0.39 | -0.05 | -0.18 | -0.51 | 0.19 | -0.85 | -0.51 | -0.01 | -0.27 | -0.71 | -0.56 | |||||||||||||
MAX | 32.71 | 36.14 | 43.23 | 50.73 | 58.87 | 67.93 | 74.16 | 70.87 | 63.21 | 52.10 | 39.23 | 34.61 | 49.18 | |||||||||||||
MIN | 12.94 | 23.32 | 28.88 | 38.10 | 48.32 | 56.43 | 65.94 | 60.26 | 53.60 | 41.94 | 31.00 | 15.52 | 43.30 | |||||||||||||
YRS | 53 | 54 | 54 | 54 | 53 | 51 | 53 | 53 | 52 | 53 | 54 | 52 | 48 |