YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1962 | ----- | z | ----- | z | 45.46 | h | 52.82 | 53.26 | 61.88 | 69.90 | a | 65.74 | 63.68 | 51.95 | 46.52 | 40.35 | 56.23 | c | ||||||||
1963 | 34.39 | 49.16 | 44.65 | a | 47.43 | 57.90 | 62.13 | 65.10 | 66.25 | c | 64.84 | a | 53.97 | 44.80 | 39.18 | 52.48 | ||||||||||
1964 | 38.89 | 40.81 | 44.42 | 48.53 | 54.45 | 61.62 | 68.40 | 66.91 | b | 60.55 | b | 55.66 | 42.62 | 41.31 | 52.01 | |||||||||||
1965 | 38.13 | 42.09 | 46.73 | a | 51.52 | 55.55 | 63.13 | 69.65 | a | 67.60 | a | 60.34 | a | 55.55 | a | 45.87 | 37.21 | 52.78 | ||||||||
1966 | 40.34 | 41.12 | 46.47 | 54.07 | 59.34 | 62.73 | 66.27 | 69.18 | 63.26 | a | 53.63 | a | 45.60 | d | 40.84 | 53.57 | ||||||||||
1967 | 39.47 | a | 42.87 | a | 43.28 | a | 44.23 | b | 57.60 | 65.87 | 71.34 | 73.13 | 65.40 | 53.73 | 45.75 | b | 37.35 | 53.33 | ||||||||
1968 | 38.00 | 47.74 | 47.92 | a | 50.20 | 56.22 | a | 67.09 | h | 71.18 | 66.31 | 62.23 | 52.71 | 45.17 | c | 38.82 | 52.41 | a | ||||||||
1969 | 35.74 | 38.75 | 45.03 | 49.23 | 61.23 | 64.92 | 69.27 | 66.95 | 63.58 | 49.60 | 43.55 | 40.71 | 52.38 | |||||||||||||
1970 | 42.56 | 44.61 | 46.50 | 45.18 | 58.27 | 66.85 | 71.79 | 67.97 | 59.33 | a | 51.61 | 46.13 | 38.19 | 53.25 | ||||||||||||
1971 | 36.97 | 41.14 | 43.05 | 47.37 | 55.92 | 60.52 | 70.08 | 69.56 | 60.02 | 50.29 | 43.17 | 36.31 | 51.20 | |||||||||||||
1972 | 37.00 | 42.28 | 49.85 | a | 48.98 | 58.74 | 66.17 | 72.48 | b | 69.56 | f | ----- | z | ----- | z | 43.09 | n | 35.08 | 51.32 | d | ||||||
1973 | 38.84 | 44.75 | 43.31 | 51.28 | 59.83 | a | 63.85 | 69.60 | 67.06 | 63.02 | 51.53 | 43.73 | 43.02 | a | 53.32 | |||||||||||
1974 | 37.73 | 40.75 | 45.82 | 49.07 | b | 55.21 | 65.78 | 67.26 | 69.85 | 66.90 | 53.42 | 45.43 | 41.52 | 53.23 | ||||||||||||
1975 | 40.40 | 41.29 | 43.81 | 45.07 | 57.45 | 62.85 | 68.69 | 66.55 | 66.22 | 51.90 | 42.88 | 41.48 | 52.38 | |||||||||||||
1976 | 40.98 | 41.79 | 43.77 | 47.42 | 56.05 | 60.28 | 68.15 | 65.55 | 64.20 | 54.90 | 47.07 | 35.79 | 52.16 | |||||||||||||
1977 | 36.89 | 45.32 | 43.71 | 52.43 | 51.15 | 67.87 | 67.69 | 71.47 | 61.88 | 54.53 | 44.77 | 43.65 | 53.45 | |||||||||||||
1978 | 43.17 | a | 45.14 | 50.97 | 47.98 | 55.55 | 63.13 | 69.37 | 67.69 | 58.92 | 56.79 | 42.07 | 36.31 | 53.09 | ||||||||||||
1979 | 37.21 | 41.48 | 49.32 | 49.48 | 58.05 | 62.88 | 68.06 | 66.15 | 64.92 | 57.71 | 42.67 | 41.56 | 53.29 | |||||||||||||
1980 | 40.34 | 45.88 | 44.61 | 51.03 | 55.11 | 58.55 | 69.39 | 67.35 | 63.60 | 55.68 | 45.91 | a | 41.16 | 53.22 | ||||||||||||
1981 | 42.40 | 43.41 | 46.82 | 52.37 | 56.11 | 63.52 | 69.40 | 70.29 | 63.12 | 52.69 | 45.90 | 44.19 | 54.19 | |||||||||||||
1982 | 36.72 | a | 42.59 | 43.35 | 46.12 | 57.81 | 64.38 | a | 67.21 | 67.06 | 61.37 | 54.02 | 43.16 | a | 40.39 | 52.01 | ||||||||||
1983 | 40.13 | 44.20 | a | 47.19 | 47.78 | 58.10 | 61.02 | 64.42 | 68.48 | 62.07 | 55.17 | a | 45.40 | a | 40.76 | 52.89 | ||||||||||
1984 | 40.82 | 43.41 | 48.11 | 48.12 | 56.18 | a | 61.47 | 71.82 | 68.24 | 61.95 | a | 51.32 | 43.73 | 37.41 | b | 52.72 | ||||||||||
1985 | 38.31 | 43.50 | 43.35 | 53.88 | 55.33 | a | 66.53 | a | 71.95 | 67.08 | 59.67 | 53.29 | 39.35 | 36.97 | a | 52.43 | ||||||||||
1986 | 44.15 | a | 47.05 | 51.42 | a | 50.27 | 57.05 | a | 66.28 | 67.98 | 73.39 | 59.65 | 55.52 | 47.18 | 40.35 | 55.02 | ||||||||||
1987 | 39.43 | a | 43.91 | 46.63 | 54.59 | a | 59.45 | 67.10 | 66.07 | a | 71.40 | 62.25 | 57.98 | 46.93 | a | 39.36 | b | 54.59 | ||||||||
1988 | 39.92 | 45.53 | 46.69 | 52.20 | 54.63 | 62.15 | 71.87 | 70.93 | a | 65.37 | 59.43 | b | 45.21 | a | 38.55 | 54.37 | ||||||||||
1989 | 39.19 | 37.43 | 46.05 | 55.32 | 56.61 | 64.40 | 65.95 | 68.98 | 64.27 | 53.47 | 44.78 | 38.80 | a | 52.94 | ||||||||||||
1990 | 41.56 | 40.75 | 48.58 | 55.83 | 55.87 | 62.18 | 72.45 | 69.58 | 65.73 | 54.56 | 44.20 | 33.52 | a | 53.74 | ||||||||||||
1991 | 38.28 | a | 48.11 | a | 43.92 | 48.82 | 53.84 | 62.17 | 73.31 | 69.82 | 68.80 | 58.10 | 48.67 | a | 38.90 | 54.39 | ||||||||||
1992 | 41.42 | 47.45 | 51.08 | 54.07 | 63.77 | 66.62 | 71.10 | 71.55 | 64.77 | 56.53 | 45.68 | 38.38 | a | 56.03 | ||||||||||||
1993 | 36.98 | 40.16 | 50.50 | 48.78 | 57.29 | 61.75 | 66.00 | 68.42 | a | 65.45 | 57.31 | 40.83 | 39.15 | 52.72 | ||||||||||||
1994 | 42.65 | 43.11 | e | 50.47 | 52.55 | a | 59.27 | 62.35 | 73.53 | 67.34 | 65.85 | 53.61 | 39.75 | 39.95 | a | 54.20 | ||||||||||
1995 | 44.05 | 48.68 | 45.47 | 49.70 | 57.87 | 61.83 | 69.89 | 67.80 | a | 66.38 | 56.18 | 50.78 | a | 44.57 | c | 55.27 | ||||||||||
1996 | 41.74 | 46.45 | 48.06 | 51.97 | a | 55.52 | 63.88 | a | 74.74 | 71.18 | 63.22 | 55.05 | 47.27 | 42.34 | b | 55.12 | ||||||||||
1997 | 40.37 | 44.23 | 47.74 | 51.63 | 61.23 | a | 62.60 | 71.44 | 70.22 | a | 64.13 | 53.87 | a | 47.76 | a | 38.00 | a | 54.44 | ||||||||
1998 | 43.81 | 42.17 | a | 47.16 | 50.57 | a | 53.73 | 64.03 | 72.95 | 73.06 | 67.68 | 52.82 | 45.85 | 39.02 | a | 54.40 | ||||||||||
1999 | 40.27 | 40.75 | 43.97 | 50.37 | 56.32 | 63.03 | a | 69.34 | 69.77 | 66.60 | 56.31 | 49.09 | a | 39.18 | a | 53.75 | ||||||||||
2000 | 39.86 | b | 45.50 | a | 46.02 | 54.16 | a | 57.47 | 67.37 | 69.89 | 70.32 | 65.60 | 55.24 | 41.97 | 40.05 | 54.45 | ||||||||||
2001 | 39.70 | a | 42.52 | 49.05 | 48.55 | 62.95 | 62.83 | a | 71.73 | 71.03 | 66.32 | 56.39 | 46.77 | 41.45 | 54.94 | |||||||||||
2002 | 41.06 | 46.04 | 45.27 | 53.78 | 57.35 | a | 65.92 | 74.16 | 69.97 | 66.10 | a | 54.10 | 45.87 | 42.02 | 55.14 | |||||||||||
2003 | 46.42 | 43.45 | 48.81 | 47.31 | a | 58.00 | a | 68.38 | 74.48 | 71.95 | 68.48 | 57.92 | 44.02 | 42.32 | 55.96 | |||||||||||
2004 | 41.63 | 44.16 | 51.44 | 54.23 | 58.00 | a | 66.17 | 73.48 | 73.06 | 64.08 | 55.53 | 45.12 | 42.52 | 55.78 | ||||||||||||
2005 | 38.85 | 45.11 | 50.21 | 50.52 | 58.75 | a | 61.98 | a | 73.87 | 73.92 | 63.25 | 54.81 | b | 43.90 | a | 41.21 | 54.70 | |||||||||
2006 | 42.34 | 44.62 | 42.18 | 51.82 | 60.11 | 67.83 | a | 75.70 | a | 71.98 | a | 65.48 | a | 54.87 | a | 46.24 | c | 40.40 | a | 55.30 | ||||||
2007 | 37.39 | 42.35 | b | 51.20 | u | 52.34 | b | 60.59 | d | 65.34 | a | 74.89 | 73.00 | b | 65.08 | 53.60 | b | 46.72 | a | 40.34 | 55.60 | a | ||||
2008 | 38.29 | 43.46 | c | 45.74 | 50.54 | d | 60.98 | h | 66.98 | 74.89 | d | 73.02 | a | 69.07 | b | 54.40 | b | 47.94 | m | 36.87 | h | 57.38 | c | |||
2009 | 39.00 | a | 41.87 | a | 45.73 | c | 52.59 | b | 61.84 | 66.33 | 73.82 | 69.97 | 66.83 | 54.02 | c | 43.17 | 35.34 | 54.21 | ||||||||
2010 | 44.97 | b | 46.05 | 47.35 | a | 50.09 | c | 54.35 | e | 64.25 | 74.98 | 72.18 | c | 65.37 | c | 55.77 | 45.48 | 42.15 | 55.25 | |||||||
2011 | 40.90 | 41.10 | b | 45.71 | c | 49.29 | a | 54.53 | 64.37 | 71.42 | g | 73.15 | 69.00 | 55.40 | a | 44.22 | 36.19 | 52.17 | a | |||||||
2012 | 40.08 | 42.55 | 43.69 | 52.35 | 59.35 | 63.33 | a | 71.95 | b | 72.97 | b | 66.98 | b | 56.19 | 47.75 | 39.24 | 54.70 | |||||||||
2013 | 36.34 | 42.21 | 48.53 | a | 54.38 | 60.97 | 67.25 | 76.73 | 70.93 | a | 63.91 | b | 51.47 | a | 43.37 | 32.85 | a | 54.08 | ||||||||
2014 | 39.28 | a | 46.36 | 50.02 | 54.73 | 61.65 | 67.82 | 77.53 | 75.45 | 68.95 | b | 59.05 | c | 47.58 | 45.12 | a | 57.79 | |||||||||
2015 | 42.37 | 48.20 | 52.94 | 53.12 | 61.76 | 73.37 | 75.29 | 71.22 | a | 64.08 | 60.06 | 42.30 | 40.42 | 57.09 | ||||||||||||
2016 | 40.09 | d | 47.34 | 49.45 | 56.36 | b | 62.55 | 68.08 | 72.03 | 74.12 | a | 65.48 | a | 53.21 | 49.74 | i | ----- | z | 58.87 | b | ||||||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 39.96 | 43.75 | 46.83 | 50.81 | 57.65 | 64.37 | 70.94 | 69.89 | 64.36 | 54.71 | 44.99 | 39.65 | 53.95 | |||||||||||||
S.D. | 2.47 | 2.61 | 2.68 | 2.88 | 2.72 | 2.67 | 3.13 | 2.55 | 2.60 | 2.26 | 2.26 | 2.67 | 1.36 | |||||||||||||
SKEW | 0.26 | 0.09 | 0.29 | -0.19 | 0.19 | 0.59 | -0.05 | 0.10 | -0.21 | 0.15 | -0.18 | -0.35 | 0.50 | |||||||||||||
MAX | 46.42 | 49.16 | 52.94 | 56.36 | 63.77 | 73.37 | 77.53 | 75.45 | 69.07 | 60.06 | 50.78 | 45.12 | 57.79 | |||||||||||||
MIN | 34.39 | 37.43 | 42.18 | 44.23 | 51.15 | 58.55 | 64.42 | 65.55 | 58.92 | 49.60 | 39.35 | 32.85 | 51.20 | |||||||||||||
YRS | 54 | 54 | 53 | 55 | 54 | 54 | 54 | 54 | 54 | 54 | 52 | 53 | 48 |