YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1952 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 71.00 | 78.71 | 79.48 | 76.63 | 70.39 | 48.47 | 44.81 | 67.07 | e | |||||||
1953 | 49.58 | 46.04 | 50.74 | 55.33 | 59.45 | 70.60 | 80.26 | 77.10 | 74.97 | 60.19 | 53.97 | 43.35 | 60.13 | |||||||||||||
1954 | 43.84 | 55.14 | 49.52 | 61.90 | 65.10 | 71.60 | 78.29 | 75.84 | 74.53 | 66.52 | 57.30 | 49.45 | 62.42 | |||||||||||||
1955 | 41.77 | 44.25 | 52.39 | 56.50 | 62.52 | 71.50 | 75.42 | 76.32 | 74.39 | b | 69.29 | 53.10 | 49.39 | 60.57 | ||||||||||||
1956 | 50.13 | 42.03 | 54.26 | 55.93 | 65.03 | 74.23 | 76.13 | 76.35 | 78.97 | 62.71 | 55.27 | 49.45 | 61.71 | |||||||||||||
1957 | 45.77 | 54.14 | 52.77 | 56.33 | 60.71 | 76.00 | 82.65 | 78.29 | 75.37 | 61.61 | 49.20 | 50.90 | 61.98 | |||||||||||||
1958 | 48.45 | 51.29 | 47.68 | 57.43 | 70.81 | 74.57 | 78.87 | 78.40 | a | 74.37 | 68.81 | 54.03 | 53.58 | 63.19 | ||||||||||||
1959 | 49.29 | 46.54 | 56.16 | 63.07 | 63.97 | 77.13 | 81.84 | 77.45 | 71.40 | 65.77 | 57.30 | 48.10 | 63.17 | |||||||||||||
1960 | 42.19 | 45.41 | 54.71 | 58.63 | 65.26 | 78.43 | 80.32 | 78.39 | 74.33 | 64.06 | 54.43 | 46.71 | 61.91 | |||||||||||||
1961 | 51.48 | 50.93 | 51.26 | 58.70 | 63.48 | 76.53 | 79.10 | 77.87 | 70.10 | 62.48 | 49.37 | 45.77 | 61.42 | |||||||||||||
1962 | 45.48 | 46.54 | 46.06 | 63.00 | 61.10 | 71.50 | 78.32 | 80.58 | 73.87 | 63.81 | 56.53 | 48.87 | 61.31 | |||||||||||||
1963 | 41.90 | 55.57 | 51.23 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 49.57 | i | |||
1964 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 71.60 | 69.06 | 49.14 | a | 46.10 | 58.97 | h | |||
1965 | 47.45 | 47.75 | 46.35 | 55.40 | 59.35 | 62.73 | 75.10 | 71.94 | 63.27 | 62.00 | 49.60 | 38.42 | 56.61 | |||||||||||||
1966 | 35.10 | 44.11 | 52.77 | 60.43 | 67.29 | 72.47 | 77.16 | 76.90 | 71.17 | 61.87 | 51.13 | 40.93 | a | 59.28 | ||||||||||||
1967 | 45.65 | 50.11 | 52.00 | m | 49.73 | h | 63.45 | 68.53 | 78.97 | 78.68 | 71.47 | 66.00 | a | 56.31 | a | 40.52 | f | 64.35 | c | |||||||
1968 | 48.67 | s | 53.06 | k | 53.00 | h | ----- | z | ----- | z | ----- | z | ----- | z | 72.76 | n | 74.00 | h | ----- | z | 51.82 | h | 40.43 | j | ----- | z |
1969 | ----- | z | 42.10 | r | ----- | z | 55.48 | g | 66.73 | a | 69.30 | ----- | z | 83.30 | d | 76.89 | b | 60.61 | 55.33 | 47.87 | 65.72 | e | ||||
1970 | 45.00 | a | 52.75 | 50.23 | 53.33 | 67.16 | ----- | z | 81.13 | 79.25 | c | ----- | z | 59.57 | a | 52.81 | c | 44.23 | 58.55 | b | ||||||
1971 | 44.77 | 47.43 | 53.26 | ----- | z | 59.87 | a | 72.03 | 80.19 | 76.52 | 73.13 | 58.77 | 51.63 | 42.23 | 59.99 | a | ||||||||||
1972 | 43.65 | 51.45 | 60.06 | 57.97 | 65.55 | 73.60 | 81.19 | 75.23 | 72.50 | 59.87 | 48.40 | 43.74 | 61.10 | |||||||||||||
1973 | 42.31 | b | 47.00 | 44.55 | 54.77 | ----- | z | 76.57 | 78.61 | 76.94 | 70.93 | a | 64.81 | 51.07 | 48.16 | 59.61 | a | |||||||||
1974 | 43.16 | 47.14 | 51.74 | 58.40 | 64.06 | 77.67 | 78.23 | 77.03 | 73.60 | 63.60 | a | 53.50 | 41.68 | 60.82 | ||||||||||||
1975 | 43.77 | 44.57 | 47.32 | 49.10 | 62.00 | 71.40 | 78.42 | 78.19 | d | 74.86 | b | 62.87 | 53.57 | 47.97 | 59.50 | |||||||||||
1976 | 48.35 | 48.93 | 49.26 | 53.60 | 66.96 | h | ----- | z | 78.58 | 75.58 | 68.79 | a | 60.93 | a | 54.07 | 47.68 | c | 58.58 | b | |||||||
1977 | 44.68 | 51.54 | ----- | z | 57.57 | 58.03 | 75.87 | 80.10 | a | 77.77 | a | 71.70 | ----- | z | ----- | z | ----- | z | 64.66 | d | ||||||
1978 | 44.47 | a | 47.54 | 53.90 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 48.64 | i | ||
1979 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 73.63 | d | 73.93 | a | 78.33 | 63.23 | 48.83 | 45.06 | 63.84 | f | ||||
1980 | 44.43 | a | 49.64 | a | 45.10 | 53.55 | a | 58.83 | a | 72.70 | 82.68 | 79.13 | a | 73.53 | 65.42 | 54.43 | 50.97 | 60.87 | ||||||||
1981 | 48.57 | a | 48.82 | 50.19 | 58.03 | 62.40 | a | 78.30 | 80.94 | 81.45 | 75.77 | 59.71 | 53.97 | a | 45.65 | 61.98 | ||||||||||
1982 | 42.84 | 49.21 | 48.16 | 56.13 | 62.74 | 70.00 | 78.06 | 79.29 | 71.73 | 63.33 | a | 51.37 | 44.32 | 59.77 | ||||||||||||
1983 | 47.90 | 47.68 | 50.35 | 51.87 | 64.97 | 70.60 | 79.61 | 74.32 | 74.23 | 63.06 | 51.43 | 46.77 | 60.23 | |||||||||||||
1984 | 48.32 | 50.38 | e | 54.20 | a | 56.27 | 70.39 | 71.70 | 76.84 | 76.39 | 75.27 | 59.53 | a | 50.73 | 44.52 | 61.21 | ||||||||||
1985 | 44.52 | 44.54 | 48.90 | 61.27 | 66.00 | 75.47 | 79.65 | 79.13 | 66.70 | 62.19 | 49.14 | a | 46.00 | 60.29 | ||||||||||||
1986 | 51.74 | 51.07 | 58.58 | 60.00 | 66.19 | 76.30 | 77.71 | 80.97 | 68.90 | 62.29 | 55.67 | 46.58 | 63.00 | |||||||||||||
1987 | 44.32 | 48.82 | 51.00 | 63.77 | 65.94 | 75.00 | 76.42 | 78.29 | 73.17 | 68.23 | 53.20 | 42.42 | 61.71 | |||||||||||||
1988 | 46.06 | 52.10 | 54.68 | 57.53 | 64.74 | ----- | z | 80.48 | 77.55 | 73.33 | 69.19 | 53.30 | 47.03 | 61.46 | a | |||||||||||
1989 | 45.52 | 49.96 | 57.06 | 65.97 | 66.58 | 75.23 | 81.97 | 77.03 | 75.50 | 64.68 | 56.67 | 48.90 | a | 63.76 | ||||||||||||
1990 | 45.42 | 45.64 | 55.06 | 61.20 | 63.71 | 77.63 | 80.16 | 75.97 | 73.70 | 66.39 | 56.60 | 44.19 | 62.14 | |||||||||||||
1991 | 46.68 | 56.18 | 47.61 | 57.53 | 63.48 | 71.10 | 78.58 | 79.39 | 75.03 | 69.74 | 55.03 | 48.19 | 62.38 | |||||||||||||
1992 | 49.16 | 52.59 | 51.35 | 62.00 | 68.16 | 74.57 | 79.00 | 79.32 | 77.03 | 66.90 | 52.87 | 44.68 | 63.14 | |||||||||||||
1993 | 47.94 | 47.64 | 54.45 | 60.80 | 67.48 | 74.43 | 75.65 | 78.48 | 73.57 | 66.16 | 52.03 | 47.42 | 62.17 | |||||||||||||
1994 | 48.68 | 46.82 | 54.23 | 59.23 | 63.16 | 77.00 | 79.26 | 80.97 | 76.07 | 62.74 | 48.27 | 47.32 | 61.98 | |||||||||||||
1995 | 46.23 | 54.64 | 53.42 | 56.73 | 61.32 | 71.90 | 80.94 | 82.65 | 77.67 | 67.10 | 58.83 | 50.13 | 63.46 | |||||||||||||
1996 | 48.94 | 53.41 | 54.26 | 62.63 | 67.61 | 75.62 | a | 82.61 | 79.58 | 72.67 | 64.68 | 56.50 | 47.97 | 63.87 | ||||||||||||
1997 | 47.87 | 48.89 | 58.84 | 58.50 | 72.71 | 72.07 | 78.71 | 80.29 | 76.40 | 63.35 | 55.47 | 44.68 | 63.15 | |||||||||||||
1998 | 46.48 | 44.50 | 49.81 | 53.43 | 60.61 | 69.73 | 80.48 | 81.87 | 74.20 | 63.10 | 54.03 | 46.55 | 60.40 | |||||||||||||
1999 | 49.77 | 49.93 | 52.00 | 53.30 | 64.87 | 72.73 | 77.65 | 79.68 | 76.50 | 69.87 | 59.33 | 49.77 | 62.95 | |||||||||||||
2000 | 50.97 | 50.90 | 53.39 | 62.13 | 70.58 | 76.93 | 81.32 | 81.35 | 76.83 | 63.45 | 49.20 | 50.13 | 63.93 | |||||||||||||
2001 | 45.68 | 46.11 | 54.29 | 57.00 | 72.90 | 76.40 | 79.42 | 79.65 | 78.47 | 67.68 | 59.23 | 44.81 | 63.47 | |||||||||||||
2002 | 47.19 | 52.25 | 52.23 | 60.87 | 65.74 | 76.50 | 81.77 | 79.55 | 76.80 | 62.77 | 59.17 | 47.16 | 63.50 | |||||||||||||
2003 | 55.71 | 50.18 | 54.42 | 55.77 | 67.81 | 74.47 | 82.45 | 80.81 | 77.70 | 72.52 | 52.53 | 49.00 | 64.45 | |||||||||||||
2004 | 49.16 | 47.52 | 63.19 | 60.97 | 69.00 | 74.17 | 80.52 | 79.77 | 73.77 | 62.10 | 49.87 | 47.77 | 63.15 | |||||||||||||
2005 | 49.03 | 49.89 | 51.32 | 57.33 | 67.19 | 73.17 | 81.19 | 77.74 | ----- | z | 65.13 | 58.40 | 49.68 | 61.83 | a | |||||||||||
2006 | 48.81 | 53.00 | 49.58 | 57.17 | 68.35 | 78.90 | 82.13 | 78.81 | 73.17 | 63.45 | 58.07 | 47.58 | 63.25 | |||||||||||||
2007 | 45.39 | 49.82 | 57.74 | 59.50 | 67.45 | 75.13 | 80.35 | 80.55 | 74.30 | 64.97 | 60.00 | 43.94 | 63.26 | |||||||||||||
2008 | 45.74 | 48.62 | 55.26 | 60.90 | 64.26 | 77.60 | 80.55 | 79.74 | 77.60 | 68.16 | 59.67 | 47.10 | 63.77 | |||||||||||||
2009 | 51.94 | 49.36 | 54.55 | 58.07 | 71.16 | 72.30 | 83.35 | 80.48 | 77.30 | 62.39 | 57.80 | 46.87 | 63.80 | |||||||||||||
2010 | 49.48 | 49.54 | 52.13 | 55.17 | 62.74 | 73.27 | 82.23 | 78.52 | 76.93 | 64.74 | 53.87 | 51.42 | 62.50 | |||||||||||||
2011 | 47.84 | 45.43 | 55.00 | 59.90 | 62.81 | 74.20 | 80.32 | 83.68 | 77.83 | 68.42 | 52.90 | 44.35 | 62.72 | |||||||||||||
2012 | 51.00 | 50.03 | 52.48 | 60.73 | 69.48 | 76.00 | 80.23 | 80.74 | 75.37 | 66.87 | 58.43 | 47.55 | 64.08 | |||||||||||||
2013 | 45.90 | 46.46 | 58.71 | 61.63 | 67.58 | 77.50 | 81.06 | 79.81 | 72.87 | 61.32 | 56.37 | 47.52 | 63.06 | |||||||||||||
2014 | 53.29 | 54.18 | 57.45 | 60.33 | 67.45 | 76.17 | 80.10 | 75.61 | 76.53 | 68.58 | 56.93 | 49.74 | 64.70 | |||||||||||||
2015 | 51.19 | 54.75 | 61.23 | 60.17 | 61.81 | 76.97 | 78.23 | 82.52 | 78.13 | 68.74 | 52.70 | 46.19 | 64.38 | |||||||||||||
2016 | 46.87 | 56.55 | 57.97 | 60.87 | 63.68 | 79.57 | 81.71 | 80.39 | 73.73 | 69.19 | 59.20 | 49.55 | 64.94 | |||||||||||||
2017 | 46.48 | 51.68 | 58.58 | 61.77 | 66.81 | 77.10 | 82.65 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 63.58 | e | |||||||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 46.91 | 49.46 | 52.97 | 58.38 | 65.17 | 74.17 | 79.64 | 78.67 | 74.26 | 64.70 | 54.06 | 46.81 | 62.25 | |||||||||||||
S.D. | 3.33 | 3.36 | 4.01 | 3.31 | 3.46 | 3.11 | 2.10 | 2.31 | 2.97 | 3.25 | 3.37 | 2.79 | 1.65 | |||||||||||||
SKEW | -0.35 | 0.15 | 0.16 | -0.31 | 0.11 | -0.86 | -0.58 | -0.29 | -1.09 | 0.26 | -0.03 | -0.41 | -0.90 | |||||||||||||
MAX | 55.71 | 56.55 | 63.19 | 65.97 | 72.90 | 79.57 | 83.35 | 83.68 | 78.97 | 72.52 | 60.00 | 53.58 | 64.94 | |||||||||||||
MIN | 35.10 | 42.03 | 44.55 | 49.10 | 58.03 | 62.73 | 73.63 | 71.94 | 63.27 | 58.77 | 48.27 | 38.42 | 56.61 | |||||||||||||
YRS | 61 | 61 | 59 | 57 | 58 | 58 | 61 | 61 | 60 | 61 | 61 | 60 | 50 |