YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1977 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 48.33 | i | 44.45 | 44.45 | k | |
1978 | 42.84 | 45.50 | 52.37 | a | 54.17 | 62.13 | 73.93 | 77.71 | 77.43 | c | 70.53 | 61.52 | 46.00 | 35.71 | 58.32 | |||||||||||
1979 | 36.61 | 38.25 | 47.52 | 53.38 | a | 64.58 | 72.20 | 75.67 | a | 74.71 | 71.40 | 58.23 | a | 43.93 | 41.45 | 56.49 | ||||||||||
1980 | 46.65 | 47.75 | a | 46.94 | 54.17 | a | 59.87 | 69.13 | 80.87 | a | 76.40 | a | 70.27 | 58.45 | 49.83 | 44.79 | b | 58.76 | ||||||||
1981 | 41.80 | a | 43.29 | 51.23 | 60.70 | 65.71 | 77.83 | 78.13 | 79.81 | 73.27 | 56.19 | 48.33 | 41.00 | a | 59.77 | |||||||||||
1982 | 38.80 | a | 46.96 | c | 48.50 | a | 54.50 | d | 64.48 | 70.70 | 78.03 | a | 79.68 | 70.23 | 57.07 | b | 47.93 | b | 38.73 | a | 57.97 | |||||
1983 | 42.72 | b | 46.37 | a | 49.87 | a | 52.77 | 63.48 | 71.03 | a | 76.73 | a | 77.13 | 74.47 | 60.61 | 49.45 | a | 42.33 | a | 58.91 | ||||||
1984 | 46.93 | a | 44.55 | 49.55 | 55.87 | 68.45 | 72.33 | 81.39 | 78.71 | 73.14 | b | 56.10 | 45.30 | 40.68 | 59.42 | |||||||||||
1985 | 43.47 | a | 45.23 | b | 45.68 | 56.80 | 64.13 | 72.97 | 80.26 | 75.71 | 65.23 | 59.71 | 47.04 | c | 43.27 | e | 58.29 | |||||||||
1986 | 44.87 | 48.64 | 53.58 | 58.25 | b | 65.87 | 77.33 | 78.84 | 83.00 | 67.20 | 57.67 | d | 53.30 | 43.93 | b | 61.04 | ||||||||||
1987 | 41.90 | a | 47.11 | 48.19 | 58.47 | 67.07 | a | 73.63 | 74.58 | 79.06 | 69.23 | 61.58 | 50.60 | 40.19 | 59.30 | |||||||||||
1988 | 42.03 | a | 47.34 | 48.77 | a | 56.27 | 64.00 | a | 73.53 | 81.03 | 77.32 | 69.10 | 62.23 | 49.80 | 43.81 | 59.60 | ||||||||||
1989 | 43.13 | 45.46 | 52.74 | 63.47 | 66.43 | a | 74.20 | 80.58 | 78.10 | 69.90 | 59.13 | 53.23 | 44.23 | 60.88 | ||||||||||||
1990 | 41.10 | 44.39 | 51.45 | 59.00 | a | 64.71 | 76.97 | 81.00 | 77.68 | 73.87 | 60.16 | 51.70 | 38.19 | 60.02 | ||||||||||||
1991 | 42.19 | 48.68 | 44.35 | 52.57 | 61.30 | a | 69.30 | 78.00 | 77.97 | 73.50 | 62.29 | 53.03 | 44.48 | 58.97 | ||||||||||||
1992 | 44.94 | 49.90 | 50.47 | a | 56.50 | 67.61 | c | 72.43 | 79.13 | a | 81.32 | 71.47 | 62.07 | a | 50.20 | 42.07 | a | 60.67 | ||||||||
1993 | 44.87 | 46.54 | 50.10 | 55.73 | 65.26 | 71.03 | 74.52 | 76.39 | 68.57 | 59.77 | 45.50 | 41.32 | 58.30 | |||||||||||||
1994 | 43.10 | 44.29 | 52.10 | 57.23 | 64.84 | 75.50 | 80.00 | 82.32 | 74.43 | 56.84 | 45.47 | 45.10 | 60.10 | |||||||||||||
1995 | 45.65 | 48.96 | 50.26 | 55.07 | 62.65 | 71.77 | 77.97 | 81.26 | 74.10 | 58.03 | 52.93 | 45.23 | e | 60.32 | ||||||||||||
1996 | 43.74 | 51.66 | 53.35 | 58.87 | 67.16 | 72.70 | 84.58 | 82.84 | 71.60 | 60.74 | 51.67 | 44.84 | 61.98 | |||||||||||||
1997 | 46.19 | 47.29 | 52.35 | 58.17 | 71.97 | 73.90 | 77.06 | 81.90 | 76.30 | 60.13 | 50.07 | 43.23 | 61.55 | |||||||||||||
1998 | 42.29 | 45.46 | 50.06 | 51.43 | 60.94 | 69.13 | 81.23 | 82.52 | 73.10 | 59.52 | 46.83 | 44.45 | 58.91 | |||||||||||||
1999 | 45.19 | 47.04 | 50.48 | 53.90 | 62.48 | 70.53 | 79.43 | a | 79.00 | b | 73.83 | 59.71 | 50.90 | 42.48 | 59.58 | |||||||||||
2000 | 45.06 | 48.45 | 52.00 | 59.47 | 69.77 | 76.27 | 79.42 | 81.52 | 70.77 | 60.90 | 43.77 | 43.43 | a | 60.90 | ||||||||||||
2001 | 42.23 | 44.14 | 51.55 | 55.97 | 69.26 | 74.63 | 78.48 | 81.26 | 71.67 | 61.55 | 53.80 | 41.29 | 60.49 | |||||||||||||
2002 | 41.63 | d | 44.11 | 49.13 | 58.43 | 63.71 | 73.88 | f | 82.61 | 77.03 | 72.50 | 58.03 | a | 52.97 | 40.90 | a | 58.28 | a | ||||||||
2003 | 49.29 | 46.68 | 50.90 | 53.89 | b | 65.87 | a | 75.14 | p | 82.48 | 82.16 | 75.90 | a | 65.65 | h | 45.48 | g | 40.09 | h | 63.40 | d | |||||
2004 | 42.97 | a | 42.43 | f | 57.13 | h | 57.15 | d | 64.71 | n | 73.40 | j | 79.50 | y | 80.26 | d | 71.17 | f | 59.46 | c | 47.12 | e | 45.91 | h | 57.39 | g |
2005 | 44.20 | f | 49.23 | f | 48.69 | o | 55.96 | d | 65.46 | g | 71.17 | l | 80.33 | g | 79.61 | c | 70.80 | 64.46 | c | 57.80 | 44.20 | a | 62.14 | f | ||
2006 | 44.20 | a | 48.07 | a | 47.60 | a | 56.48 | c | 69.77 | 77.17 | a | 86.30 | a | 81.71 | 71.48 | a | 62.40 | f | 51.96 | f | 44.10 | 62.69 | b | |||
2007 | 42.39 | 46.30 | a | 53.13 | 58.93 | 67.47 | a | 72.34 | a | 83.13 | 83.87 | 73.70 | 60.32 | 52.17 | 48.65 | 61.87 | ||||||||||
2008 | 46.84 | 43.69 | 46.32 | c | 56.83 | g | 63.23 | 72.73 | 82.39 | 81.21 | b | 72.45 | a | 60.72 | b | 54.67 | 45.35 | 60.87 | a | |||||||
2009 | 50.70 | a | 44.64 | 46.94 | 56.57 | 70.68 | 73.20 | 83.00 | a | 76.43 | a | 72.57 | b | 59.20 | a | 50.00 | c | 43.26 | d | 60.60 | ||||||
2010 | 45.46 | c | 47.50 | b | 48.74 | 53.50 | d | 61.35 | 72.23 | 84.00 | c | 79.27 | a | 69.77 | 63.94 | 49.85 | d | 47.77 | 60.28 | |||||||
2011 | 43.83 | h | 41.85 | b | 49.00 | c | 55.93 | a | 61.04 | c | 70.79 | a | 80.03 | b | 80.88 | f | 72.67 | c | 60.76 | j | 46.83 | 41.68 | c | 57.76 | c | |
2012 | 42.41 | b | 46.81 | b | 48.50 | c | 57.38 | a | 67.36 | c | 72.48 | g | 79.89 | d | 83.52 | d | 74.44 | c | 60.54 | e | 50.00 | j | 42.88 | f | 62.32 | c |
2013 | 41.88 | g | 40.72 | j | 51.93 | c | 57.85 | d | 68.81 | e | 74.74 | c | 84.67 | d | 77.82 | c | 71.04 | g | 57.91 | i | 49.36 | p | 43.17 | h | 69.30 | f |
2014 | 46.52 | j | 47.89 | j | 51.83 | m | 57.59 | h | 65.31 | o | 73.00 | n | 81.83 | m | 76.60 | k | 72.72 | l | 61.21 | l | 54.25 | n | 46.31 | r | ----- | z |
2015 | 47.73 | i | 48.07 | n | 55.04 | e | 56.59 | c | 63.89 | d | 76.92 | e | 78.54 | c | 82.55 | b | 76.19 | d | 66.52 | f | 47.77 | h | 39.83 | h | 69.96 | e |
2016 | 43.55 | 49.93 | b | 52.61 | 58.07 | 64.97 | 79.67 | 80.71 | 80.90 | 70.48 | a | 62.63 | a | 51.50 | 44.74 | 61.65 | ||||||||||
2017 | 42.62 | g | 48.86 | 49.23 | 54.70 | 61.71 | 70.57 | 81.68 | 80.60 | a | 73.17 | 61.16 | 52.60 | o | 44.61 | 62.63 | b | |||||||||
2018 | 44.79 | q | 42.43 | 48.35 | 55.83 | 63.38 | r | 70.56 | u | 80.10 | u | 81.25 | w | 72.57 | w | 58.12 | w | ----- | z | ----- | z | 48.87 | i | |||
2019 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
2020 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
2021 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 58.68 | c | 52.67 | c | 42.35 | n | 55.67 | j |
2022 | 44.24 | b | 46.54 | 50.55 | 60.07 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 43.17 | a | 48.91 | g | |||
2023 | 42.90 | 46.29 | 48.13 | 59.93 | 70.10 | a | 73.80 | 88.61 | 85.65 | 76.00 | 65.97 | 54.50 | 47.48 | 63.28 | ||||||||||||
2024 | 44.00 | 48.55 | 50.77 | 58.60 | 68.74 | 81.63 | 89.55 | 83.39 | 76.83 | 67.68 | 48.47 | 47.19 | 63.78 | |||||||||||||
2025 | 44.58 | 50.82 | 53.03 | 58.57 | 70.06 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 55.41 | g | |||||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 43.78 | 46.41 | 50.08 | 56.68 | 65.57 | 73.58 | 80.57 | 79.97 | 72.21 | 60.35 | 49.98 | 43.26 | 60.07 | |||||||||||||
S.D. | 2.55 | 2.59 | 2.36 | 2.46 | 3.13 | 2.94 | 3.34 | 2.61 | 2.57 | 2.52 | 3.33 | 2.64 | 1.58 | |||||||||||||
SKEW | 0.10 | -0.61 | -0.21 | 0.17 | 0.14 | 0.71 | 0.64 | -0.04 | -0.37 | 0.75 | -0.01 | -0.48 | 0.25 | |||||||||||||
MAX | 50.70 | 51.66 | 55.04 | 63.47 | 71.97 | 81.63 | 89.55 | 85.65 | 76.83 | 67.68 | 57.80 | 48.65 | 63.78 | |||||||||||||
MIN | 36.61 | 38.25 | 44.35 | 51.43 | 59.87 | 69.13 | 74.52 | 74.71 | 65.23 | 56.10 | 43.77 | 35.71 | 56.49 | |||||||||||||
YRS | 38 | 40 | 42 | 43 | 40 | 36 | 39 | 40 | 39 | 37 | 36 | 38 | 30 |