YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1960 | ----- | z | ----- | z | 44.16 | 48.37 | 55.00 | d | 69.63 | 74.03 | 73.94 | 65.17 | a | 52.26 | 38.03 | 30.39 | 55.10 | b | ||||||||
1961 | 33.74 | 35.93 | 39.87 | 46.31 | a | 52.06 | 70.10 | 76.23 | 72.68 | 61.83 | 47.00 | 36.03 | 32.94 | 50.39 | ||||||||||||
1962 | 30.81 | 37.00 | 36.83 | a | 51.30 | 54.52 | 63.57 | 74.55 | 75.03 | a | 68.80 | 52.48 | 42.23 | 36.06 | 51.93 | |||||||||||
1963 | 30.13 | 40.68 | 40.71 | 45.90 | 58.77 | 61.10 | 76.74 | 73.58 | 67.40 | 55.68 | 43.40 | 29.06 | 51.93 | |||||||||||||
1964 | 27.03 | 27.10 | 36.20 | a | 46.87 | 54.80 | a | 63.27 | 76.33 | a | 69.81 | 64.53 | 54.90 | 35.87 | 34.55 | 49.27 | ||||||||||
1965 | 37.03 | 35.86 | 39.32 | 46.70 | 52.13 | 56.67 | 75.61 | 73.58 | 61.97 | 49.26 | 43.87 | 38.65 | 50.89 | |||||||||||||
1966 | 31.13 | 34.46 | 40.84 | 47.97 | 58.07 | b | 66.13 | 76.06 | 75.13 | 67.50 | 50.55 | 41.13 | 31.23 | 51.68 | ||||||||||||
1967 | 27.94 | 34.36 | 43.77 | 44.97 | 55.52 | 65.03 | 77.06 | 74.77 | 67.03 | 50.65 | 41.97 | 32.42 | 51.29 | |||||||||||||
1968 | 33.03 | 42.59 | 41.35 | 45.73 | 54.32 | 62.43 | 70.20 | a | 68.17 | a | 59.17 | 49.60 | a | 40.57 | 28.55 | 49.64 | ||||||||||
1969 | 38.19 | 35.96 | 38.13 | 48.26 | c | 57.03 | 64.20 | 76.81 | 72.16 | 62.40 | 48.68 | 44.03 | 36.10 | 51.83 | ||||||||||||
1970 | 29.84 | 38.33 | a | 42.00 | a | 41.10 | 57.71 | 68.93 | 77.26 | 76.58 | 64.39 | b | 48.32 | 40.77 | 33.74 | 51.58 | ||||||||||
1971 | 29.87 | 36.04 | 42.53 | a | 47.73 | 57.26 | 67.13 | 80.84 | 74.42 | 64.70 | 51.10 | 38.03 | 31.55 | 51.77 | ||||||||||||
1972 | 27.94 | 37.32 | a | 47.90 | 50.73 | 58.19 | 70.43 | 79.90 | 73.71 | 66.33 | 56.94 | 38.53 | 33.23 | 53.43 | ||||||||||||
1973 | 33.06 | 40.07 | 40.29 | c | 45.97 | 53.61 | 59.80 | 71.71 | 71.45 | 59.77 | 46.48 | 37.40 | 30.06 | 49.14 | ||||||||||||
1974 | 33.52 | 30.89 | 44.10 | 47.40 | 56.32 | 70.47 | 76.80 | a | 70.39 | 67.43 | 57.13 | 39.27 | 30.06 | 51.98 | ||||||||||||
1975 | 29.97 | 33.07 | 41.23 | 42.33 | 51.77 | 62.63 | 76.55 | 71.52 | 67.23 | 48.55 | 36.00 | 35.16 | 49.67 | |||||||||||||
1976 | 31.23 | 40.34 | 39.26 | 45.73 | 58.29 | 65.43 | 75.97 | 71.10 | 64.67 | 52.26 | 40.00 | 31.65 | 51.33 | |||||||||||||
1977 | 36.32 | 33.93 | 38.10 | 48.83 | 52.68 | 66.17 | 78.71 | 78.58 | 68.53 | 57.74 | 40.67 | 37.87 | 53.18 | |||||||||||||
1978 | 39.03 | 41.64 | 48.16 | 47.30 | 54.58 | 67.17 | 74.35 | 71.97 | 65.73 | 56.87 | 44.80 | 35.10 | 53.89 | |||||||||||||
1979 | 37.13 | a | 36.89 | 40.90 | 46.27 | 57.71 | 65.67 | 71.90 | 68.48 | 68.70 | 52.06 | 35.67 | 33.77 | 51.26 | ||||||||||||
1980 | 40.10 | 43.14 | 43.52 | 46.93 | 54.29 | 64.70 | 77.87 | 74.77 | 65.87 | 51.32 | 38.77 | 35.58 | 53.07 | |||||||||||||
1981 | 39.61 | 37.79 | 43.71 | 52.20 | 58.42 | 71.20 | 78.10 | 75.58 | 68.23 | 50.55 | 39.90 | 34.74 | 54.17 | |||||||||||||
1982 | 35.03 | 40.64 | 41.58 | 48.66 | a | 56.45 | 64.00 | 74.94 | 77.66 | b | 67.37 | 47.45 | 43.83 | 36.90 | 52.88 | |||||||||||
1983 | 34.58 | 40.18 | 44.90 | 44.40 | 55.65 | 62.93 | 75.26 | 74.03 | 73.37 | 58.10 | b | 43.17 | 38.97 | 53.79 | ||||||||||||
1984 | 35.06 | 33.34 | 41.03 | 47.17 | 61.13 | 65.77 | 76.26 | 74.16 | 69.53 | 51.32 | 40.03 | 38.23 | 52.75 | |||||||||||||
1985 | 36.77 | 36.54 | 42.48 | 50.53 | 59.39 | 67.60 | 76.52 | 75.03 | 61.27 | 55.35 | 41.50 | 33.84 | 53.07 | |||||||||||||
1986 | 36.03 | 40.93 | 47.45 | 50.73 | 58.39 | 70.80 | 74.19 | 78.29 | 61.97 | 51.16 | 42.03 | 35.65 | 53.97 | |||||||||||||
1987 | 32.13 | 39.50 | 42.29 | 52.20 | 60.19 | 70.10 | 70.23 | 73.45 | 65.17 | 58.10 | 41.70 | 32.94 | 53.17 | |||||||||||||
1988 | 34.71 | 38.93 | a | 40.87 | 49.80 | 56.13 | 68.67 | 76.77 | 75.71 | 62.33 | 59.90 | 41.33 | 33.06 | 53.19 | ||||||||||||
1989 | 34.13 | 39.43 | 45.81 | 55.00 | 59.71 | 67.10 | 75.48 | 72.81 | 64.03 | 52.35 | 38.53 | 29.48 | 52.82 | |||||||||||||
1990 | 32.65 | 34.68 | 43.48 | 51.23 | 57.84 | 70.37 | 76.06 | 71.57 | a | 68.00 | 51.19 | 41.77 | 31.52 | 52.53 | ||||||||||||
1991 | 34.65 | 38.96 | 38.03 | 44.37 | 52.00 | 61.33 | 72.94 | 74.32 | 66.87 | 55.13 | 41.23 | 40.71 | 51.71 | |||||||||||||
1992 | 36.61 | 43.31 | 45.00 | 51.63 | 62.77 | 66.90 | 74.19 | 75.03 | 65.14 | a | 53.03 | a | 36.43 | 37.32 | 53.95 | |||||||||||
1993 | 44.32 | 42.04 | 43.94 | 49.53 | 61.94 | 66.30 | 72.35 | 73.90 | 64.67 | 55.00 | a | 40.50 | 32.87 | 53.95 | ||||||||||||
1994 | 30.65 | 37.00 | 44.94 | 49.97 | 58.07 | b | 71.17 | 76.84 | 79.71 | 68.20 | 52.00 | 40.03 | 38.94 | 53.96 | ||||||||||||
1995 | 39.74 | 43.07 | 45.23 | 46.77 | 57.06 | 63.33 | 75.39 | 78.58 | 71.53 | 50.45 | 45.37 | 34.42 | 54.25 | |||||||||||||
1996 | 32.00 | 44.21 | 43.68 | 52.13 | 60.61 | 69.73 | 79.67 | a | 76.74 | 65.93 | 53.35 | 42.37 | 33.45 | 54.49 | ||||||||||||
1997 | 37.65 | 36.75 | 45.35 | 50.60 | 65.71 | 66.03 | 73.65 | 77.65 | 72.83 | 51.84 | 41.50 | 35.10 | 54.55 | |||||||||||||
1998 | 36.35 | 39.36 | 43.94 | 45.33 | 56.35 | 64.57 | 77.71 | 79.58 | 70.37 | 53.32 | 39.33 | 33.84 | 53.34 | |||||||||||||
1999 | 33.77 | 38.89 | 43.43 | a | 47.70 | 57.19 | 70.17 | 77.06 | 75.42 | 69.47 | 54.16 | 40.77 | 31.20 | a | 53.27 | |||||||||||
2000 | 35.81 | 40.14 | 45.74 | 52.93 | 62.74 | 71.67 | 77.94 | 77.90 | 70.47 | 56.20 | a | 36.73 | 32.65 | 55.08 | ||||||||||||
2001 | 36.16 | 37.50 | 44.03 | 51.83 | 62.58 | 69.80 | 78.84 | 76.45 | 69.43 | 55.84 | 47.87 | 32.68 | 55.25 | |||||||||||||
2002 | 33.84 | 35.54 | 40.03 | 52.67 | 57.68 | 68.83 | 78.77 | 75.13 | 69.70 | 52.10 | 43.03 | 35.16 | 53.54 | |||||||||||||
2003 | 38.90 | 41.61 | 44.06 | 49.03 | 60.55 | 67.27 | 79.84 | 79.29 | 69.87 | 59.42 | 42.07 | 35.06 | 55.58 | |||||||||||||
2004 | 38.61 | 37.00 | 51.03 | 53.60 | 60.16 | 66.53 | 75.81 | 73.71 | 66.73 | 53.68 | 43.77 | 36.90 | 54.79 | |||||||||||||
2005 | 41.61 | 45.29 | 44.48 | 48.10 | 60.23 | 67.73 | 76.94 | 75.32 | 67.87 | 55.87 | 41.37 | 31.39 | 54.68 | |||||||||||||
2006 | 31.97 | 35.21 | 43.94 | 50.27 | 60.26 | 72.60 | 81.90 | 76.00 | 66.93 | 53.42 | 41.43 | 31.77 | 53.81 | |||||||||||||
2007 | 32.26 | 38.71 | 46.35 | 50.97 | 60.48 | 69.80 | 78.71 | 79.26 | 70.50 | 54.87 | 45.53 | 34.40 | a | 55.15 | ||||||||||||
2008 | 36.55 | 37.55 | 42.35 | 50.57 | 55.87 | 70.60 | 78.61 | 78.61 | 69.83 | a | 53.93 | a | 43.87 | 37.81 | 54.68 | |||||||||||
2009 | 37.61 | 38.93 | 45.03 | b | 49.07 | 65.32 | 68.60 | 80.61 | 75.68 | 69.20 | 51.52 | 42.43 | 33.16 | 54.76 | ||||||||||||
2010 | 38.06 | 41.00 | 42.55 | 48.43 | 55.58 | 67.23 | 80.47 | a | 77.94 | 68.43 | 56.77 | 38.63 | 37.26 | 54.36 | ||||||||||||
2011 | 32.52 | 33.07 | 44.07 | a | 53.30 | 57.52 | 66.00 | 77.10 | a | 80.94 | 68.87 | 54.03 | 42.33 | 33.81 | 53.63 | |||||||||||
2012 | 35.23 | 36.31 | 40.45 | 51.67 | 59.16 | 71.47 | 77.87 | 78.71 | 70.70 | 54.61 | 42.63 | 36.29 | 54.59 | |||||||||||||
2013 | 32.16 | 35.75 | 44.48 | 51.90 | 61.45 | 70.33 | 79.97 | 75.58 | 67.12 | v | ----- | z | ----- | z | ----- | z | 56.45 | d | ||||||||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 34.62 | 38.01 | 42.87 | 48.83 | 57.76 | 66.99 | 76.53 | 75.03 | 66.87 | 53.13 | 40.94 | 34.14 | 52.98 | |||||||||||||
S.D. | 3.65 | 3.50 | 2.92 | 2.96 | 3.25 | 3.41 | 2.60 | 2.92 | 3.19 | 3.19 | 2.70 | 2.78 | 1.62 | |||||||||||||
SKEW | 0.15 | -0.39 | 0.02 | -0.27 | 0.21 | -0.65 | -0.38 | -0.20 | -0.40 | 0.02 | -0.09 | 0.15 | -0.65 | |||||||||||||
MAX | 44.32 | 45.29 | 51.03 | 55.00 | 65.71 | 72.60 | 81.90 | 80.94 | 73.37 | 59.90 | 47.87 | 40.71 | 55.58 | |||||||||||||
MIN | 27.03 | 27.10 | 36.20 | 41.10 | 51.77 | 56.67 | 70.20 | 68.17 | 59.17 | 46.48 | 35.67 | 28.55 | 49.14 | |||||||||||||
YRS | 53 | 53 | 54 | 54 | 54 | 54 | 54 | 54 | 53 | 53 | 53 | 53 | 52 |