YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1954 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 67.66 | 61.15 | 57.19 | 41.57 | a | 31.52 | 51.82 | |||||
1955 | 26.10 | 30.38 | 36.52 | 49.78 | 62.00 | 66.08 | 77.16 | b | 73.77 | a | 62.07 | 53.50 | 39.63 | 24.26 | 50.10 | |||||||||||
1956 | 28.89 | 30.71 | 30.31 | 42.88 | 54.83 | d | 68.41 | a | 69.81 | 69.60 | 58.30 | 51.15 | 41.97 | a | 33.32 | 48.35 | ||||||||||
1957 | 20.84 | 32.17 | b | 38.34 | 50.03 | 58.92 | 71.58 | 71.97 | 67.47 | 63.67 | 51.16 | 43.92 | 35.32 | 50.45 | ||||||||||||
1958 | 25.76 | 22.39 | 37.45 | 48.17 | 55.03 | 62.78 | 71.56 | 70.19 | 61.88 | 49.65 | 42.00 | 21.94 | 47.40 | |||||||||||||
1959 | 24.58 | 23.95 | 34.81 | 49.32 | 61.76 | 66.37 | 72.79 | 73.56 | 66.22 | 52.73 | 40.25 | 31.16 | 49.79 | |||||||||||||
1960 | 26.00 | 33.03 | 28.31 | 49.42 | 59.95 | 67.60 | 70.31 | 70.68 | 62.00 | 50.79 | 43.03 | 22.63 | 48.65 | |||||||||||||
1961 | 16.90 | 27.39 | 35.24 | 45.10 | 56.00 | 68.92 | 72.77 | 71.76 | 68.72 | 54.37 | 41.28 | 28.85 | 48.94 | |||||||||||||
1962 | 25.24 | 23.30 | 37.19 | 48.45 | a | 58.85 | 68.33 | 68.90 | 69.21 | 59.97 | 50.90 | 37.43 | 22.48 | 47.52 | ||||||||||||
1963 | 23.56 | 21.59 | 36.05 | 48.23 | 58.05 | 68.08 | 73.05 | a | 68.85 | 60.00 | 57.10 | 46.43 | 21.47 | 48.54 | ||||||||||||
1964 | 27.08 | 25.83 | 37.66 | 48.73 | 62.61 | 68.30 | 75.00 | 68.10 | 63.00 | 51.27 | 43.22 | 29.68 | 50.04 | |||||||||||||
1965 | 22.48 | 26.52 | 36.10 | 47.52 | 64.40 | 68.88 | 72.35 | 71.69 | 64.08 | 51.03 | 39.62 | 33.76 | 49.87 | |||||||||||||
1966 | 26.40 | 28.79 | 39.15 | 46.85 | 56.40 | 70.67 | 75.81 | 73.39 | 63.38 | 51.87 | 46.22 | 31.82 | 50.90 | |||||||||||||
1967 | 32.81 | 24.48 | 33.26 | 47.12 | 53.65 | 70.60 | 74.00 | 70.21 | 62.75 | 52.81 | 37.98 | 32.06 | 49.31 | |||||||||||||
1968 | 21.05 | 25.72 | 39.89 | 52.37 | 58.19 | 67.37 | 75.11 | 70.79 | 64.93 | 54.68 | 38.88 | 25.42 | 49.53 | |||||||||||||
1969 | 24.00 | 26.73 | 34.44 | 51.12 | 58.77 | 68.23 | 70.63 | 73.31 | 63.78 | 51.68 | 41.17 | 26.84 | 49.22 | |||||||||||||
1970 | 16.79 | 28.18 | 35.06 | 48.93 | 61.50 | 67.82 | 75.18 | 73.76 | 65.37 | 54.89 | 44.12 | 26.71 | 49.86 | |||||||||||||
1971 | 19.32 | 29.00 | 35.34 | 46.25 | 58.08 | 70.93 | 73.61 | 72.23 | 67.67 | 58.23 | 39.62 | 32.71 | 50.25 | |||||||||||||
1972 | 27.94 | 25.93 | 34.60 | 44.25 | 60.13 | 65.85 | 73.77 | 71.02 | 64.28 | 48.82 | 38.68 | 30.77 | 48.84 | |||||||||||||
1973 | 29.35 | 27.20 | 43.31 | 50.42 | 57.95 | 71.72 | 75.00 | 76.42 | 64.70 | 54.65 | 43.60 | 32.92 | 52.27 | |||||||||||||
1974 | 28.16 | 26.98 | 36.74 | 50.67 | 56.58 | 67.23 | 73.73 | 72.68 | 63.32 | 47.23 | 40.67 | 30.65 | 49.55 | |||||||||||||
1975 | 31.21 | 29.62 | 35.90 | 45.80 | 64.53 | 68.28 | 76.03 | 71.82 | 61.67 | 55.61 | 48.15 | 28.45 | 51.42 | |||||||||||||
1976 | 19.47 | 34.78 | 40.24 | 53.32 | 58.42 | 72.62 | 72.37 | 70.95 | 62.38 | 49.85 | 38.28 | 24.73 | 49.78 | |||||||||||||
1977 | 18.65 | 27.62 | 42.81 | 51.18 | 63.55 | 68.02 | 74.48 | 72.79 | 63.95 | 51.95 | 44.38 | 27.97 | 50.61 | |||||||||||||
1978 | 23.60 | 22.12 | 35.10 | 48.10 | 59.87 | 69.23 | 71.90 | 69.95 | 58.63 | 48.97 | 38.55 | 29.24 | 47.94 | |||||||||||||
1979 | 26.56 | 17.98 | 41.21 | 48.97 | 64.08 | 68.93 | 74.53 | 70.77 | 61.55 | 50.71 | 45.48 | 33.53 | 50.36 | |||||||||||||
1980 | 27.60 | 24.28 | 35.19 | 49.18 | 61.00 | 66.40 | 74.19 | 73.19 | 64.93 | 50.29 | 37.88 | 24.53 | 49.06 | |||||||||||||
1981 | 17.82 | 35.25 | 38.08 | 52.02 | 61.60 | 69.55 | 74.79 | 70.56 | 62.48 | 49.27 | 43.65 | 31.00 | 50.51 | |||||||||||||
1982 | 18.76 | 29.18 | 36.71 | 45.77 | 61.35 | 64.95 | 74.34 | 69.44 | 63.03 | 51.44 | 45.82 | 35.92 | 49.72 | |||||||||||||
1983 | 27.10 | 29.04 | 39.18 | 48.82 | 56.79 | 69.82 | 74.87 | 72.68 | 66.50 | 52.50 | 42.67 | 28.10 | 50.67 | |||||||||||||
1984 | 21.79 | 34.26 | 31.39 | 47.98 | 55.90 | 69.78 | 71.73 | 73.18 | 59.82 | 55.23 | 41.52 | 35.73 | 49.86 | |||||||||||||
1985 | 21.45 | 29.91 | 39.66 | 50.65 | 60.53 | 63.73 | 72.34 | 70.18 | 63.40 | 51.87 | 43.12 | 27.47 | 49.53 | |||||||||||||
1986 | 27.37 | 26.16 | 38.65 | 50.92 | 61.68 | 66.00 | 72.32 | 69.47 | 61.78 | 51.35 | 38.28 | 33.08 | 49.76 | |||||||||||||
1987 | 25.02 | 26.73 | 39.82 | 49.72 | 60.79 | 68.77 | 74.13 | 68.92 | 62.88 | 49.21 | 41.43 | 33.19 | 50.05 | |||||||||||||
1988 | 23.10 | 28.33 | 38.45 | 47.33 | 59.71 | 66.67 | 75.19 | 74.50 | 62.22 | 47.56 | 42.32 | 29.21 | 49.55 | |||||||||||||
1989 | 30.76 | 28.62 | 37.39 | 46.42 | 60.34 | 68.23 | 72.53 | 71.31 | 63.93 | 53.37 | 40.93 | 18.15 | 49.33 | |||||||||||||
1990 | 34.63 | 33.02 | 40.18 | 49.23 | 56.73 | 68.95 | 74.42 | 73.29 | 63.95 | 57.40 | 44.45 | 36.68 | 52.74 | |||||||||||||
1991 | 26.95 | 33.88 | 40.45 | 53.25 | 65.77 | 70.52 | 73.66 | 73.05 | 62.02 | 55.06 | 42.70 | 32.74 | 52.50 | |||||||||||||
1992 | 28.55 | 30.29 | 34.55 | 46.33 | 58.42 | 66.40 | 69.89 | 69.06 | 62.53 | 49.16 | 40.58 | 31.15 | 48.91 | |||||||||||||
1993 | 28.77 | 23.80 | 34.50 | 49.60 | 61.23 | 68.57 | 74.26 | 73.39 | 62.97 | 49.74 | 40.75 | 30.87 | 49.87 | |||||||||||||
1994 | 18.76 | 23.21 | 36.11 | 50.88 | 58.24 | 71.12 | 77.13 | 70.03 | 63.67 | 52.60 | 46.05 | 35.02 | 50.23 | |||||||||||||
1995 | 32.37 | 25.82 | 41.06 | 46.78 | 57.92 | 69.30 | 76.48 | 72.05 | 62.22 | 55.77 | 38.02 | 27.05 | 50.40 | |||||||||||||
1996 | 25.08 | 27.62 | 34.31 | 49.58 | 58.31 | 69.30 | 71.16 | 71.84 | 62.87 | 51.08 | 38.05 | 35.81 | 49.58 | |||||||||||||
1997 | 27.11 | 34.70 | 36.18 | 47.17 | 56.10 | 68.73 | 72.24 | 70.11 | 63.20 | 50.56 | 38.83 | 31.37 | 49.69 | |||||||||||||
1998 | 32.55 | 36.18 | 40.29 | 49.87 | 62.90 | 66.95 | 72.87 | 73.53 | 65.68 | 52.53 | 41.53 | 36.74 | 52.64 | |||||||||||||
1999 | 25.85 | 31.79 | 38.42 | 49.28 | a | 59.92 | 70.92 | 76.53 | 71.21 | 65.97 | 51.10 | 46.33 | a | 34.56 | 51.82 | |||||||||||
2000 | 24.03 | 31.03 | 43.61 | 47.73 | 59.52 | 67.72 | 69.55 | 69.56 | 62.10 | 51.79 | 41.52 | a | 25.35 | 49.46 | ||||||||||||
2001 | 25.44 | 28.32 | 34.26 | 49.65 | 59.80 | a | 69.57 | 69.69 | 75.16 | 63.42 | 53.45 | 45.85 | 36.07 | a | 50.89 | |||||||||||
2002 | 33.95 | 34.59 | 39.02 | 51.93 | 57.13 | 67.30 | 75.13 | 73.89 | 66.67 | 50.19 | 40.38 | 29.85 | 51.67 | |||||||||||||
2003 | 20.87 | 23.71 | 37.19 | 46.25 | 56.85 | 67.03 | 73.19 | 74.27 | 64.43 | 50.00 | 44.37 | 32.98 | 49.26 | |||||||||||||
2004 | 18.66 | 29.45 | 38.89 | 49.58 | 61.48 | 66.77 | 72.05 | 71.60 | 64.93 | 51.40 | 42.43 | 30.37 | 49.80 | |||||||||||||
2005 | 23.45 | 30.04 | 33.08 | 51.28 | 54.55 | 72.22 | 74.47 | 75.10 | 67.47 | 53.40 | 42.87 | 28.19 | 50.51 | |||||||||||||
2006 | 33.03 | 29.95 | 37.74 | 51.20 | 58.74 | 69.02 | 76.55 | 71.98 | 63.05 | 51.95 | 46.80 | 38.03 | 52.34 | |||||||||||||
2007 | 31.47 | 23.88 | 36.18 | 46.67 | 62.03 | 68.93 | 73.42 | 72.63 | 67.02 | 59.66 | 40.72 | 30.05 | 51.05 | |||||||||||||
2008 | 29.45 | 29.60 | 37.44 | 51.75 | 57.56 | 70.67 | 75.53 | 70.03 | 64.95 | 51.03 | 41.28 | 32.21 | 50.96 | |||||||||||||
2009 | 21.26 | 30.30 | 37.63 | 50.92 | 59.03 | 66.28 | 70.19 | 73.13 | 62.10 | 50.42 | 46.45 | 30.27 | 49.83 | |||||||||||||
2010 | 27.48 | 31.00 | 45.02 | 54.68 | 63.32 | 70.63 | 77.13 | 73.42 | 67.53 | 53.31 | 42.53 | 28.53 | 52.88 | |||||||||||||
2011 | 23.00 | 26.59 | 37.00 | 50.20 | 62.05 | 68.53 | 75.95 | 72.15 | 67.53 | 53.35 | 46.33 | 37.50 | 51.68 | |||||||||||||
2012 | 31.58 | 35.74 | 47.08 | 51.95 | 63.82 | 68.27 | 76.23 | 74.11 | 64.37 | 55.25 | k | ----- | z | ----- | z | 57.02 | ||||||||||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 25.48 | 28.43 | 37.41 | 49.10 | 59.57 | 68.46 | 73.55 | 71.71 | 63.58 | 52.24 | 42.11 | 30.31 | 50.11 | |||||||||||||
S.D. | 4.61 | 3.98 | 3.38 | 2.35 | 2.78 | 1.98 | 2.13 | 2.00 | 2.22 | 2.62 | 2.77 | 4.41 | 1.25 | |||||||||||||
SKEW | -0.01 | -0.05 | 0.22 | -0.18 | 0.07 | -0.29 | -0.27 | -0.06 | 0.11 | 0.70 | 0.20 | -0.51 | 0.40 | |||||||||||||
MAX | 34.63 | 36.18 | 47.08 | 54.68 | 65.77 | 72.62 | 77.16 | 76.42 | 68.72 | 59.66 | 48.15 | 38.03 | 52.88 | |||||||||||||
MIN | 16.79 | 17.98 | 28.31 | 42.88 | 53.65 | 62.78 | 68.90 | 67.47 | 58.30 | 47.23 | 37.43 | 18.15 | 47.40 | |||||||||||||
NO YRS | 58 | 58 | 58 | 58 | 58 | 58 | 58 | 59 | 59 | 58 | 58 | 58 | 57 |