YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1966 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 83.25 | g | 76.47 | b | 72.25 | 59.87 | 52.05 | a | 41.81 | 60.49 | g | |||
1967 | 42.61 | 48.84 | 58.40 | 64.63 | 68.67 | a | 80.15 | 83.82 | c | 79.18 | 73.85 | 64.62 | a | 53.32 | 42.74 | d | 63.40 | |||||||||
1968 | 44.55 | 51.52 | 53.87 | 61.33 | 71.39 | 82.05 | 79.63 | 78.45 | a | 71.31 | d | 66.39 | 52.17 | 42.48 | d | 62.93 | ||||||||||
1969 | 48.86 | c | 49.72 | a | 50.54 | c | 65.35 | 73.59 | n | 79.90 | e | 83.75 | a | 83.50 | 75.62 | 66.03 | a | 52.12 | a | 46.82 | l | 65.54 | b | |||
1970 | 46.27 | c | 49.75 | d | 54.53 | 62.31 | l | ----- | z | ----- | z | 83.38 | g | 79.90 | a | 69.24 | a | 51.65 | a | 51.93 | a | 48.85 | 56.52 | d | ||
1971 | 44.84 | 49.46 | 56.58 | 61.55 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 49.00 | q | ----- | z | 53.11 | h | ||||
1972 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 77.59 | a | ----- | z | 77.39 | 73.37 | 65.68 | a | 47.68 | 43.69 | 64.23 | f | ||||
1973 | 40.13 | 43.00 | 51.40 | ----- | z | ----- | z | ----- | z | 79.82 | 77.31 | 74.53 | 62.69 | 52.00 | 42.52 | b | 58.16 | c | ||||||||
1974 | 43.00 | 44.12 | 57.97 | 64.17 | 72.60 | 82.77 | 82.16 | 78.82 | 71.17 | 65.33 | b | 51.08 | 41.60 | b | 62.90 | |||||||||||
1975 | 41.22 | b | 46.16 | 52.89 | 57.40 | 66.98 | 78.83 | 79.55 | 79.76 | 70.86 | a | 63.24 | 49.93 | 42.11 | 60.75 | |||||||||||
1976 | 40.50 | a | 50.95 | 55.47 | 62.45 | 68.45 | 80.55 | 78.21 | 79.29 | 70.72 | 57.84 | 44.43 | a | 38.38 | a | 60.60 | ||||||||||
1977 | 41.27 | a | 46.75 | 50.13 | d | 62.45 | a | 71.02 | 81.28 | 81.85 | 82.98 | 78.76 | c | 65.43 | b | 53.30 | c | 48.08 | 63.61 | |||||||
1978 | 44.32 | c | 45.58 | i | 56.27 | 65.17 | d | 71.23 | 82.81 | f | 83.90 | b | 80.09 | b | 72.08 | e | 63.86 | b | 54.20 | 42.64 | b | 63.38 | b | |||
1979 | 40.65 | a | 46.69 | a | 52.74 | b | 61.31 | a | 69.73 | 78.15 | 84.42 | a | 78.94 | 74.91 | a | 66.42 | 49.62 | 43.37 | d | 62.24 | ||||||
1980 | 46.32 | 49.74 | 54.54 | g | 60.93 | b | 71.83 | j | 84.78 | 84.27 | 78.98 | 72.48 | a | ----- | z | ----- | z | ----- | z | 68.22 | e | |||||
1981 | ----- | z | 46.44 | a | ----- | z | 63.62 | e | 70.86 | j | 80.98 | 82.34 | 76.44 | 72.83 | c | 63.77 | 52.08 | 45.27 | 64.87 | c | ||||||
1982 | 42.18 | c | 48.07 | e | 56.02 | a | 61.74 | c | 68.02 | b | 78.45 | b | 81.69 | g | 78.66 | f | 73.48 | a | 59.03 | b | 47.81 | a | 39.38 | b | 57.42 | b |
1983 | 41.29 | b | 48.81 | b | 53.62 | k | 56.14 | a | 65.20 | k | 76.22 | 81.26 | b | 79.53 | l | 79.77 | o | 64.28 | b | 50.91 | b | 41.81 | 57.59 | d | ||
1984 | 41.08 | a | 44.35 | c | 53.55 | a | 60.58 | 74.41 | b | 78.45 | 79.58 | 76.93 | d | 68.83 | f | 58.46 | f | 47.77 | 45.81 | b | 60.25 | b | ||||
1985 | 40.53 | b | 44.81 | a | 55.48 | b | 64.05 | 72.90 | a | 79.05 | a | 80.36 | c | 79.58 | g | 72.28 | 61.97 | a | 53.71 | d | 41.95 | 60.65 | a | |||
1986 | 45.35 | 51.77 | 56.60 | 66.35 | 71.19 | 77.00 | l | 78.77 | 78.17 | h | 73.78 | a | 62.68 | c | 49.95 | a | 41.53 | 59.80 | b | |||||||
1987 | 40.98 | 46.98 | a | 51.05 | a | 60.22 | 69.98 | 77.25 | 80.58 | f | 78.00 | f | 71.50 | 66.15 | 51.26 | a | 41.00 | d | 57.64 | b | ||||||
1988 | 41.97 | 47.67 | 53.90 | a | 60.85 | 71.40 | a | 78.60 | 79.34 | 77.24 | 71.78 | 65.75 | c | 53.22 | a | 42.13 | e | 61.99 | ||||||||
1989 | 42.98 | j | 47.59 | f | 54.96 | g | 66.33 | a | 72.66 | b | 79.06 | f | 79.63 | h | 77.31 | ----- | z | ----- | z | ----- | z | 41.12 | a | 64.35 | h | |
1990 | 42.35 | a | 47.54 | 56.60 | 65.98 | 71.53 | 83.72 | 77.97 | 75.15 | 73.35 | d | 62.13 | a | 53.59 | b | 44.10 | 62.83 | |||||||||
1991 | 43.05 | a | 50.34 | 54.42 | 61.45 | 72.13 | 78.18 | 77.00 | 77.30 | a | 70.23 | 63.19 | 48.20 | 44.48 | a | 61.67 | ||||||||||
1992 | 40.29 | 46.36 | a | 53.79 | 62.00 | 69.15 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 54.32 | g | ||||
1993 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 73.00 | 61.74 | 48.89 | c | 45.03 | b | 57.17 | h | ||
1994 | 44.24 | 49.07 | 57.02 | b | 64.13 | 73.85 | a | 85.00 | 82.87 | 81.81 | 74.34 | a | ----- | z | 52.55 | 46.58 | a | 64.68 | a | |||||||
1995 | 44.08 | a | 52.59 | a | 58.18 | 61.12 | b | 71.11 | 79.02 | 80.45 | a | 80.18 | 74.32 | b | 64.74 | 54.12 | 45.82 | a | 63.81 | |||||||
1996 | 43.53 | 53.24 | 52.94 | 63.41 | b | 75.87 | 82.28 | 82.34 | 78.02 | 72.12 | a | 66.37 | a | 52.73 | 43.55 | 63.87 | ||||||||||
1997 | 43.18 | a | 48.07 | 58.30 | a | 61.48 | 73.87 | 79.38 | 81.50 | 79.10 | 77.45 | 62.47 | 50.82 | 40.27 | 62.99 | |||||||||||
1998 | 44.66 | 47.62 | 53.98 | a | 60.13 | 71.18 | 79.71 | a | 82.87 | 78.97 | 76.72 | 66.24 | 54.87 | 44.62 | a | 63.46 | ||||||||||
1999 | 45.92 | ----- | z | ----- | z | ----- | z | 72.41 | h | 79.36 | e | 80.21 | c | 79.93 | d | 74.89 | h | 59.62 | k | 53.88 | f | 42.17 | m | 71.35 | h | |
2000 | 47.45 | k | 51.25 | k | 56.07 | i | 64.97 | j | 76.21 | g | 80.06 | d | 82.50 | c | 80.07 | a | 76.11 | h | 63.26 | n | 46.61 | g | 43.78 | h | 80.87 | i |
2001 | 41.45 | k | 48.77 | m | 55.14 | j | 64.97 | k | 72.92 | e | 80.30 | e | 82.00 | c | 79.44 | e | 74.69 | f | 65.26 | j | 54.28 | g | 41.78 | f | 78.67 | h |
2002 | 42.32 | l | 43.62 | k | 53.88 | n | 68.40 | i | 72.27 | i | 83.39 | g | 81.05 | a | 82.22 | f | 74.98 | i | 63.85 | g | 50.88 | j | 41.70 | i | 81.05 | k |
2003 | 45.92 | g | 48.50 | k | 53.79 | g | 62.95 | k | 72.46 | h | 80.69 | f | 83.77 | a | 81.73 | a | 74.60 | i | 66.14 | i | 53.45 | k | 40.09 | n | 82.75 | j |
2004 | 44.88 | k | 45.07 | h | 57.06 | f | 62.38 | j | 72.93 | h | 78.81 | d | 81.11 | d | 78.67 | d | 71.90 | j | 64.69 | m | 49.85 | g | 41.03 | m | 79.53 | i |
2005 | 46.42 | k | 48.92 | j | 52.80 | i | 61.67 | l | 71.00 | h | 79.12 | f | 84.79 | c | 79.38 | c | 77.55 | h | 63.77 | g | 53.00 | h | 43.95 | i | 82.08 | j |
2006 | 44.57 | j | 49.00 | k | 56.45 | i | 64.97 | j | 74.41 | c | 80.69 | d | 82.07 | d | 78.22 | b | 71.14 | e | 62.33 | k | 54.25 | h | 39.71 | n | 77.31 | g |
2007 | 40.47 | m | 47.06 | l | 55.95 | l | 61.18 | m | 71.61 | i | 79.50 | i | 81.13 | d | 80.80 | d | 75.34 | e | 64.95 | j | 53.45 | k | 43.31 | j | 79.09 | i |
2008 | 42.34 | l | 47.72 | k | 52.95 | l | 58.83 | l | 70.29 | j | 82.34 | h | 78.67 | d | 77.73 | g | 69.88 | d | 61.98 | k | 50.36 | h | 44.76 | n | 74.28 | j |
2009 | 43.36 | j | 49.38 | p | 55.20 | k | 58.94 | n | 73.04 | e | 78.33 | j | 83.75 | a | 80.33 | e | 72.04 | g | 61.55 | k | 51.96 | p | 39.53 | l | 79.04 | i |
2010 | 40.26 | j | 45.11 | i | 49.82 | l | 61.72 | l | 69.78 | k | 81.57 | g | 80.48 | e | 81.03 | a | 75.30 | e | 64.62 | g | 49.43 | i | 47.08 | m | 78.94 | i |
2011 | 38.97 | l | 40.33 | j | 59.03 | m | 64.74 | m | 69.08 | l | 81.79 | i | 83.84 | b | 83.54 | e | 74.27 | h | 64.05 | l | 49.66 | k | 38.29 | l | 83.69 | j |
2012 | 43.16 | l | 47.19 | k | 53.15 | n | 65.76 | i | 70.46 | f | 82.11 | h | 80.19 | e | 81.93 | i | 72.80 | j | 64.92 | e | 54.68 | k | 43.48 | 62.87 | i | |
2013 | 39.50 | 43.45 | 56.07 | a | 62.58 | 70.21 | 83.42 | 80.08 | 81.35 | 75.28 | a | 63.06 | 52.12 | a | 41.81 | 62.41 | ||||||||||
2014 | 42.03 | 50.50 | 56.05 | 62.37 | 68.56 | 84.03 | 83.08 | a | 78.79 | 74.38 | a | 66.47 | 49.91 | a | 46.87 | 63.59 | ||||||||||
2015 | 41.47 | 50.34 | 55.97 | 62.60 | 70.63 | 81.98 | 83.55 | 83.69 | 78.52 | 67.32 | 52.88 | 44.18 | 64.43 | |||||||||||||
2016 | 43.00 | a | 50.52 | 59.18 | 63.63 | 70.38 | a | 81.86 | a | 86.50 | 78.94 | 75.80 | 68.69 | 56.70 | 46.82 | 65.17 | ||||||||||
2017 | 46.95 | 52.77 | 62.35 | 66.83 | 71.45 | 82.00 | 82.11 | 79.85 | 76.13 | 67.56 | 57.90 | 45.82 | 65.98 | |||||||||||||
2018 | 43.13 | 52.46 | 57.63 | 66.77 | 75.34 | 84.23 | 83.26 | 82.24 | 76.40 | 64.92 | 51.05 | 45.79 | 65.27 | |||||||||||||
2019 | 45.03 | 49.12 | 56.65 | 64.65 | 69.40 | 78.95 | 84.18 | 85.05 | 78.28 | 64.08 | 52.90 | a | 45.37 | 64.47 | ||||||||||||
2020 | 45.90 | 47.91 | 59.16 | 66.57 | 75.20 | a | 82.12 | 85.79 | 85.31 | 73.37 | 64.34 | 57.82 | 41.40 | b | 65.41 | |||||||||||
2021 | 42.44 | 47.88 | 56.11 | 64.30 | 74.00 | 82.90 | 81.42 | 80.55 | 76.17 | a | 66.00 | 54.33 | 51.18 | 64.77 | ||||||||||||
2022 | 43.10 | 44.29 | 53.19 | 66.38 | 74.42 | 83.45 | 84.23 | 80.13 | 75.15 | 62.61 | 49.70 | 46.34 | 63.58 | |||||||||||||
2023 | 45.68 | 47.70 | 57.00 | 63.45 | 73.13 | 81.45 | 87.66 | 83.61 | 80.30 | 69.13 | 54.87 | 45.40 | 65.78 | |||||||||||||
2024 | 44.85 | 50.83 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 47.84 | j | ||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 43.23 | 48.45 | 55.46 | 62.99 | 71.69 | 80.70 | 81.95 | 79.83 | 73.95 | 64.07 | 51.91 | 43.83 | 63.52 | |||||||||||||
S.D. | 2.17 | 2.66 | 2.65 | 2.49 | 2.23 | 2.23 | 2.28 | 2.30 | 2.57 | 3.16 | 2.77 | 2.63 | 1.45 | |||||||||||||
SKEW | 0.38 | -0.20 | 0.04 | -0.45 | -0.06 | 0.17 | 0.10 | 0.50 | 0.38 | -1.68 | -0.15 | 0.43 | -0.19 | |||||||||||||
MAX | 48.86 | 53.24 | 62.35 | 66.83 | 75.87 | 85.00 | 87.66 | 85.31 | 80.30 | 69.13 | 57.90 | 51.18 | 65.98 | |||||||||||||
MIN | 39.50 | 43.00 | 50.13 | 56.14 | 66.98 | 76.22 | 77.00 | 75.15 | 69.24 | 51.65 | 44.43 | 38.38 | 60.60 | |||||||||||||
YRS | 41 | 40 | 37 | 39 | 37 | 40 | 49 | 47 | 43 | 39 | 40 | 41 | 25 |