YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1965 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 73.00 | c | 81.88 | a | 80.55 | 76.17 | 68.90 | ----- | z | 50.02 | 71.75 | f | ||||
1966 | 44.85 | 44.86 | 55.21 | ----- | z | 74.09 | t | 77.83 | 83.03 | a | 80.52 | 75.25 | 63.97 | 57.65 | 47.03 | 63.02 | b | |||||||||
1967 | 46.89 | 51.55 | 59.05 | a | 58.52 | a | 67.08 | 76.85 | 82.68 | 80.82 | 76.38 | 66.11 | 57.52 | 45.35 | 64.07 | |||||||||||
1968 | 47.94 | 54.53 | 54.98 | 59.10 | 67.42 | 77.18 | 81.00 | 78.03 | 75.42 | 67.05 | 53.98 | 46.10 | 63.56 | |||||||||||||
1969 | 52.00 | 49.16 | 51.61 | 62.20 | 70.56 | 76.17 | 83.85 | 83.79 | 78.18 | 63.18 | 54.33 | 49.77 | 64.57 | |||||||||||||
1970 | 45.79 | 52.96 | 52.18 | 56.00 | 69.92 | 78.88 | 84.35 | 82.47 | 74.23 | 61.13 | 55.58 | 49.65 | 63.60 | |||||||||||||
1971 | 47.16 | 48.62 | 55.16 | 59.92 | 65.03 | 76.37 | 84.69 | 79.18 | 75.85 | 62.18 | 53.72 | 45.29 | 62.76 | |||||||||||||
1972 | 46.65 | 51.57 | a | 61.56 | 62.07 | 67.48 | d | 76.72 | 82.32 | 79.18 | 74.32 | 64.95 | 49.02 | a | 45.87 | 63.48 | ||||||||||
1973 | 43.76 | 49.29 | 49.42 | 56.15 | 68.18 | 75.26 | a | 80.50 | a | 80.34 | 73.45 | 65.05 | 53.93 | 47.05 | 61.86 | |||||||||||
1974 | 47.92 | 46.75 | 56.47 | 60.35 | 68.19 | 80.13 | 79.68 | 77.60 | 73.15 | 64.97 | 53.17 | 43.50 | 62.66 | |||||||||||||
1975 | 46.89 | ----- | z | 52.50 | 55.03 | 64.39 | 74.08 | 80.81 | 80.08 | 74.17 | 64.19 | 53.23 | 47.68 | 63.00 | a | |||||||||||
1976 | 46.56 | 53.02 | 53.05 | 59.80 | 67.87 | 76.02 | 80.27 | 78.94 | 73.37 | 61.92 | 52.95 | 46.29 | 62.50 | |||||||||||||
1977 | 46.31 | 50.84 | 50.60 | a | 61.72 | 65.13 | 77.82 | 82.66 | 82.26 | 73.94 | u | 69.13 | e | 56.62 | 50.45 | a | 63.05 | a | ||||||||
1978 | ----- | z | ----- | z | 56.60 | 58.85 | 66.50 | 78.08 | 83.85 | 81.18 | 76.23 | 68.73 | 54.93 | 45.60 | 67.06 | b | ||||||||||
1979 | 44.69 | 49.61 | 52.60 | 60.63 | 66.87 | 76.87 | 82.24 | 79.05 | 77.63 | 67.74 | 50.62 | 49.84 | 63.20 | |||||||||||||
1980 | 49.60 | 53.76 | 53.44 | 61.03 | 65.50 | 79.00 | 83.98 | a | 79.58 | 76.00 | 64.05 | 53.77 | 52.73 | 64.37 | ||||||||||||
1981 | 50.81 | 52.95 | 53.73 | 65.22 | 68.44 | 80.67 | 82.50 | 81.60 | 76.93 | 63.79 | 57.48 | 50.56 | 65.39 | |||||||||||||
1982 | 48.26 | 51.54 | 54.44 | 60.83 | 66.89 | 74.58 | 81.87 | 81.74 | 76.22 | 63.18 | a | 53.72 | 46.27 | a | 63.29 | |||||||||||
1983 | 47.61 | 49.39 | 52.18 | 54.92 | 66.61 | 74.18 | 82.50 | 80.47 | 77.95 | 65.55 | 52.98 | a | 48.40 | 62.73 | ||||||||||||
1984 | 46.77 | 47.43 | 54.45 | 58.69 | a | 72.31 | 77.67 | 81.63 | 79.73 | 75.78 | 62.08 | 53.58 | 48.55 | 63.22 | ||||||||||||
1985 | 46.26 | 48.50 | 55.27 | 63.25 | 70.27 | 78.79 | a | 83.19 | 80.31 | 72.58 | 64.52 | 52.97 | a | 47.68 | 63.63 | |||||||||||
1986 | 51.76 | 51.71 | 58.00 | a | 63.14 | a | 69.10 | a | 79.67 | a | 80.02 | 81.48 | c | 72.30 | 63.08 | 53.36 | a | 47.53 | 64.26 | |||||||
1987 | 46.15 | a | 48.70 | a | 51.21 | 63.55 | 68.10 | 78.48 | 80.97 | 78.98 | 72.85 | 68.94 | 52.67 | 45.68 | a | 63.02 | ||||||||||
1988 | 46.89 | 51.88 | 52.95 | a | 61.76 | a | 69.08 | 78.63 | 82.84 | 80.58 | 73.62 | 69.69 | 53.93 | 45.80 | a | 63.97 | ||||||||||
1989 | 46.02 | 53.11 | 58.97 | a | 66.81 | a | 70.30 | a | 78.10 | a | 84.23 | 80.23 | 77.05 | 64.84 | 54.58 | 46.44 | 65.06 | |||||||||
1990 | 45.98 | 48.21 | 56.52 | 63.91 | b | 69.28 | a | 81.58 | 80.94 | 77.29 | 77.52 | 66.08 | 56.13 | 45.60 | 64.09 | |||||||||||
1991 | 47.13 | a | 53.70 | 51.52 | 59.08 | 66.69 | 74.98 | 82.76 | 81.56 | 75.25 | 66.69 | 52.25 | 48.47 | 63.34 | ||||||||||||
1992 | 45.68 | 51.09 | b | 53.65 | 63.67 | 70.53 | 76.97 | 81.07 | a | 80.23 | 76.35 | 67.45 | 49.40 | a | 47.84 | 63.66 | ||||||||||
1993 | 50.90 | b | 50.11 | 55.21 | 60.85 | 70.45 | 77.62 | a | 81.11 | 80.94 | 75.05 | 65.31 | 52.38 | 48.73 | a | 64.05 | ||||||||||
1994 | 47.74 | 49.88 | 57.00 | b | 62.55 | 68.73 | 82.10 | 83.76 | 83.97 | 76.98 | 64.32 | 52.84 | b | 49.16 | 64.92 | |||||||||||
1995 | 47.66 | 54.48 | 54.63 | 57.52 | 65.32 | 74.93 | 81.45 | 83.71 | 77.27 | 66.53 | 58.70 | 49.19 | 64.28 | |||||||||||||
1996 | 49.00 | 55.17 | 56.15 | 63.38 | a | 72.65 | 81.88 | 85.68 | 82.80 | a | 74.37 | 65.94 | 56.82 | 48.29 | 66.01 | |||||||||||
1997 | 47.61 | 49.34 | 57.76 | 59.55 | 72.92 | a | 75.97 | 81.87 | 81.65 | 79.03 | 63.26 | 55.38 | a | 44.44 | 64.06 | |||||||||||
1998 | 48.16 | 46.62 | 52.95 | 56.50 | 66.73 | 74.80 | 82.92 | a | 81.34 | 77.23 | b | 65.26 | 55.35 | 47.76 | 62.97 | |||||||||||
1999 | 49.02 | a | 52.57 | a | 56.33 | b | 57.50 | a | 67.65 | 76.98 | 79.61 | 79.32 | 75.50 | 66.44 | 58.93 | 45.19 | 63.75 | |||||||||
2000 | 49.72 | a | 53.09 | 54.18 | a | 63.97 | 73.11 | 78.88 | b | 82.76 | 80.69 | 77.79 | b | 63.98 | 48.30 | 48.77 | 64.60 | |||||||||
2001 | 45.74 | 48.39 | 53.94 | 62.57 | 71.34 | 78.60 | 81.21 | 80.75 | a | 76.38 | 67.17 | a | 57.63 | 44.33 | a | 64.00 | ||||||||||
2002 | 46.39 | 50.25 | 53.48 | 65.52 | 69.61 | 81.30 | 82.84 | 81.20 | c | 74.67 | l | 64.48 | 55.10 | 46.18 | 63.30 | a | ||||||||||
2003 | 53.62 | c | 50.35 | b | 54.48 | b | 59.52 | b | 70.71 | 77.88 | 84.39 | 82.48 | d | 77.88 | 71.45 | 55.90 | e | 49.26 | j | 67.15 | a | |||||
2004 | 49.33 | k | 44.05 | i | 61.85 | d | 59.47 | a | 69.84 | 77.17 | a | 79.12 | a | 77.85 | d | 73.33 | d | 62.69 | 48.72 | 46.13 | 65.62 | b | ||||
2005 | 49.15 | a | 50.70 | c | 51.94 | 59.40 | 69.47 | 77.10 | 83.05 | b | 79.11 | 74.93 | 64.25 | a | 54.38 | ----- | z | 64.86 | a | |||||||
2006 | 47.42 | 49.98 | 52.06 | 61.28 | 70.16 | 80.93 | 82.85 | 78.27 | 71.20 | 62.32 | 55.20 | 44.84 | 63.04 | |||||||||||||
2007 | 42.98 | 49.04 | 55.73 | 61.85 | 70.35 | ----- | z | 80.65 | d | 83.24 | 77.02 | ----- | z | ----- | z | 43.90 | 62.75 | c | ||||||||
2008 | 45.00 | 49.90 | 50.25 | u | 59.28 | 65.35 | 78.13 | 80.55 | 80.23 | 74.57 | 63.97 | 58.07 | 47.42 | 63.86 | a | |||||||||||
2009 | 48.52 | 48.31 | t | 57.72 | v | 59.11 | b | 71.61 | 75.96 | q | 83.16 | b | ----- | z | 74.08 | 62.73 | 56.32 | 43.76 | 62.41 | d | ||||||
2010 | 47.23 | 47.64 | 51.42 | 58.05 | a | 65.50 | 77.03 | 84.03 | b | 82.33 | h | 73.43 | i | 62.94 | d | 50.07 | a | 49.93 | a | 59.39 | b | |||||
2011 | 44.03 | b | 45.02 | a | 56.58 | 62.73 | 64.96 | f | 77.83 | r | 81.39 | d | 83.87 | a | 72.92 | k | 64.40 | b | 51.40 | a | 42.63 | a | 59.12 | c | ||
2012 | 47.69 | 49.46 | b | ----- | z | ----- | z | 71.17 | d | 79.76 | a | 80.39 | i | 81.59 | h | ----- | z | ----- | z | ----- | z | ----- | z | 62.02 | h | |
2013 | 42.45 | 44.00 | ----- | z | ----- | z | ----- | z | 81.06 | v | 82.18 | 80.56 | 74.90 | 60.69 | 55.43 | 44.86 | b | 60.64 | d | |||||||
2014 | 48.39 | 53.05 | 56.73 | 61.12 | 67.92 | 79.62 | 79.73 | c | 77.71 | 75.52 | 66.97 | 53.32 | 48.24 | 64.03 | ||||||||||||
2015 | 48.87 | 55.82 | 58.35 | 59.82 | 65.47 | 79.45 | 81.06 | 82.11 | 76.73 | 66.27 | 51.97 | 44.53 | 64.21 | |||||||||||||
2016 | 44.97 | 52.07 | 56.63 | 60.00 | 66.34 | 80.42 | 83.65 | 79.45 | 73.75 | 68.94 | 56.05 | 49.90 | 64.35 | |||||||||||||
2017 | 46.48 | 52.95 | 59.90 | 61.42 | 67.53 | 80.57 | 81.92 | 78.23 | c | 72.90 | 68.16 | 61.13 | 49.68 | 65.07 | ||||||||||||
2018 | 50.39 | 50.82 | 55.60 | 63.04 | d | 66.41 | b | 76.38 | a | 82.27 | 80.77 | 76.57 | 63.63 | 51.73 | 46.47 | 63.67 | ||||||||||
2019 | 46.23 | 46.82 | 54.52 | 60.87 | 63.68 | ----- | z | 82.82 | 83.52 | e | 74.73 | f | 61.85 | e | 56.67 | 47.81 | 60.48 | b | ||||||||
2020 | 47.45 | 47.97 | 54.97 | 61.75 | 71.53 | 78.68 | b | 81.94 | g | 83.95 | a | 73.14 | i | 66.10 | 56.27 | 44.39 | 61.30 | b | ||||||||
2021 | 46.32 | 49.14 | 52.40 | 63.15 | 68.50 | 80.13 | 81.52 | 80.69 | 75.42 | 63.22 | a | 57.72 | 50.47 | 64.06 | ||||||||||||
2022 | 46.31 | 46.66 | 53.62 | a | 62.33 | 69.69 | 80.80 | 83.35 | 79.08 | 75.58 | 62.62 | a | 48.36 | b | 46.20 | c | 62.88 | |||||||||
2023 | 43.55 | b | 45.68 | c | 53.00 | b | 61.12 | 68.08 | 74.65 | 86.71 | 82.69 | 75.72 | 66.90 | a | 55.38 | a | 47.15 | 63.39 | ||||||||
2024 | 45.19 | b | 50.57 | 52.19 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 49.32 | i | ||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 47.20 | 50.22 | 54.74 | 60.75 | 68.46 | 77.90 | 82.28 | 80.68 | 75.46 | 65.12 | 54.28 | 47.17 | 63.80 | |||||||||||||
S.D. | 2.21 | 2.72 | 2.67 | 2.57 | 2.32 | 2.20 | 1.55 | 1.77 | 1.74 | 2.38 | 2.79 | 2.18 | 0.84 | |||||||||||||
SKEW | 0.47 | -0.15 | 0.60 | -0.19 | 0.06 | -0.07 | 0.27 | 0.14 | -0.26 | 0.44 | -0.20 | 0.15 | 0.26 | |||||||||||||
MAX | 53.62 | 55.82 | 61.85 | 66.81 | 73.11 | 82.10 | 86.71 | 83.97 | 79.03 | 71.45 | 61.13 | 52.73 | 66.01 | |||||||||||||
MIN | 42.45 | 44.00 | 49.42 | 54.92 | 63.68 | 73.00 | 79.12 | 77.29 | 71.20 | 60.69 | 48.30 | 42.63 | 61.86 | |||||||||||||
YRS | 57 | 55 | 55 | 55 | 55 | 54 | 57 | 56 | 52 | 57 | 56 | 56 | 41 |