YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1982 | ----- | z | ----- | z | 54.29 | e | 62.88 | b | 67.22 | b | 75.70 | 78.84 | 77.02 | 73.75 | 64.00 | 51.83 | a | 44.56 | d | 65.01 | b | |||||
1983 | 45.46 | c | 48.93 | a | 51.36 | b | 55.08 | 67.81 | 74.40 | 78.81 | 76.27 | a | 73.66 | b | 63.21 | 52.18 | b | 48.95 | c | 61.34 | ||||||
1984 | 45.47 | a | 48.27 | a | 55.43 | a | 58.32 | 72.85 | 75.83 | a | 75.65 | a | 73.97 | 71.65 | 60.40 | 52.41 | a | 45.30 | d | 61.30 | ||||||
1985 | 43.50 | d | 45.00 | e | 53.61 | 61.55 | b | 68.81 | 77.10 | a | 79.23 | a | 76.35 | 70.10 | 61.87 | 52.96 | d | 47.39 | d | 61.46 | ||||||
1986 | 50.22 | b | 50.41 | f | 57.30 | c | 63.12 | b | 69.68 | 77.68 | 76.60 | a | 76.92 | a | 71.13 | 63.00 | f | 52.85 | d | 45.39 | d | 64.09 | b | |||
1987 | 46.24 | f | 48.12 | b | 51.42 | a | 62.04 | b | 66.16 | 78.13 | 79.06 | 75.06 | 71.74 | c | 68.30 | a | 52.85 | c | 44.75 | i | 65.29 | b | ||||
1988 | 46.26 | f | 51.52 | d | 54.84 | b | 60.55 | b | 69.05 | 77.88 | 78.95 | 76.00 | a | 72.05 | a | 67.19 | 54.40 | d | 45.40 | e | 64.35 | a | ||||
1989 | 43.79 | g | 53.33 | d | 60.35 | d | 67.85 | 71.03 | 79.21 | d | 80.23 | 75.94 | 73.48 | a | 62.53 | b | 54.59 | b | 46.48 | c | 65.91 | a | ||||
1990 | 45.09 | c | 45.03 | i | 56.38 | c | 63.24 | a | 68.02 | b | 82.72 | 76.03 | 73.80 | c | 73.14 | b | 65.33 | b | 54.59 | c | 46.54 | f | 65.83 | b | ||
1991 | 45.44 | e | 51.07 | e | 47.63 | h | 60.46 | b | 67.85 | 74.17 | 77.74 | b | 76.33 | a | 71.98 | c | 67.16 | c | 53.26 | g | 45.29 | e | 63.75 | b | ||
1992 | 43.08 | e | 49.83 | h | 52.91 | d | 63.76 | c | 66.92 | 76.48 | a | 77.40 | a | 75.65 | 74.52 | 67.00 | c | 50.64 | b | 47.09 | c | 63.22 | a | |||
1993 | 48.79 | 49.46 | 55.75 | a | 63.11 | c | 70.50 | 77.59 | a | 79.19 | w | 75.41 | n | 72.50 | f | 65.40 | a | 53.23 | b | 48.40 | b | 59.14 | c | |||
1994 | 49.19 | 50.57 | e | 55.17 | a | 61.73 | b | 69.13 | a | 82.68 | b | 81.57 | a | 79.90 | b | 73.72 | g | 64.33 | g | 53.70 | e | 48.82 | i | 64.85 | c | |
1995 | 47.22 | d | 54.23 | f | 56.62 | g | 59.78 | e | 66.50 | i | 76.71 | i | 79.66 | f | 80.04 | h | 74.87 | k | 68.40 | j | 58.30 | e | 49.83 | k | 55.10 | i |
1996 | 50.14 | i | 55.17 | e | 55.35 | h | 64.17 | f | 72.86 | f | 80.42 | e | 79.55 | c | 77.37 | 70.73 | 65.43 | c | 56.32 | e | 49.86 | f | 69.28 | e | ||
1997 | 46.96 | f | 49.03 | i | 59.11 | c | 59.96 | c | 72.74 | d | 77.03 | a | 79.54 | c | 77.96 | c | 76.98 | e | 65.10 | k | 56.25 | b | ----- | z | 69.95 | d |
1998 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 79.76 | b | 78.98 | b | 76.29 | d | 66.75 | c | 56.77 | f | 47.44 | e | 69.84 | g |
1999 | 49.90 | b | 54.40 | b | 56.98 | e | 58.54 | d | 68.95 | 76.48 | 75.85 | d | 76.52 | 75.02 | 66.83 | b | 60.45 | 46.46 | e | 63.86 | ||||||
2000 | 51.86 | c | 54.39 | b | 54.81 | d | 65.89 | c | 74.15 | d | 77.29 | a | 78.17 | a | 77.52 | d | 75.09 | a | 62.40 | a | 47.93 | a | 49.53 | 64.09 | ||
2001 | 44.00 | d | 49.58 | d | 55.04 | c | 61.38 | b | 72.65 | a | 79.00 | a | 77.00 | a | 77.55 | a | 75.55 | 66.18 | 56.71 | a | 46.04 | f | 64.97 | a | ||
2002 | 47.93 | b | 51.04 | c | 56.18 | c | 66.26 | a | 70.64 | b | 82.10 | a | 79.29 | c | 77.74 | b | 74.57 | a | 63.31 | b | 55.69 | d | 44.71 | b | 64.12 | |
2003 | 52.38 | b | 49.36 | f | 53.83 | a | 60.69 | c | 69.53 | 77.40 | 81.67 | a | 78.07 | c | 75.14 | b | 67.57 | c | 54.19 | c | 49.11 | d | 65.42 | a | ||
2004 | 46.96 | e | 45.53 | k | 60.48 | c | 59.31 | a | 69.60 | b | 76.11 | b | 77.55 | a | 74.65 | a | 71.90 | a | 63.36 | b | 50.92 | d | 47.10 | a | 63.45 | a |
2005 | 48.95 | c | 49.55 | 54.52 | c | 62.12 | b | 71.34 | 77.88 | b | 82.82 | 76.23 | 75.41 | a | 65.90 | b | 57.27 | 50.02 | a | 64.33 | ||||||
2006 | 49.52 | a | 53.07 | 54.12 | b | 64.50 | 72.47 | 80.45 | a | 80.67 | a | 74.69 | 69.98 | 63.48 | a | 57.68 | 45.50 | b | 63.84 | |||||||
2007 | 43.23 | 51.06 | a | 56.68 | 61.91 | a | 70.77 | 79.74 | a | 79.68 | 77.98 | 74.17 | 66.11 | 59.72 | 45.77 | 63.90 | ||||||||||
2008 | 46.06 | 50.04 | a | 56.22 | a | 62.09 | a | 67.67 | d | 80.11 | b | 77.18 | c | 75.85 | a | 72.22 | 65.24 | 56.32 | b | 48.53 | b | 63.13 | ||||
2009 | 50.07 | a | 52.55 | 57.69 | d | 61.68 | h | 72.70 | c | 76.28 | e | 80.54 | e | 79.22 | h | 75.30 | c | 65.36 | i | 56.95 | 46.03 | 63.12 | c | |||
2010 | 46.37 | 48.18 | c | 52.31 | 58.89 | g | 69.17 | h | 78.74 | k | 79.76 | j | 78.04 | f | 75.86 | i | 65.89 | m | 50.90 | j | 52.39 | c | 49.81 | h | ||
2011 | 44.83 | k | 46.52 | g | 58.76 | h | 63.82 | b | 66.34 | f | 80.19 | n | 78.67 | k | 80.46 | h | 75.82 | k | 67.11 | h | 53.27 | f | 45.82 | i | 63.82 | k |
2012 | 50.89 | l | 49.89 | j | 57.25 | s | 65.95 | h | 72.07 | j | 81.28 | j | 77.69 | m | 79.50 | f | 73.77 | o | 67.73 | g | 58.47 | l | 50.69 | m | ----- | z |
2013 | 43.12 | f | 45.37 | e | 58.89 | i | 63.40 | i | 70.09 | h | 81.75 | l | 77.63 | e | 77.56 | d | 74.67 | f | 64.02 | e | 58.09 | g | 49.67 | p | 66.14 | h |
2014 | 52.18 | c | 54.36 | g | 57.79 | j | 62.93 | i | 69.62 | k | 81.27 | h | 79.67 | h | 75.48 | j | 72.30 | o | 67.82 | n | 55.50 | l | 51.05 | l | 52.18 | k |
2015 | 48.76 | l | 55.13 | i | 56.81 | m | 61.95 | j | 63.88 | w | 79.35 | f | 77.18 | a | 79.14 | f | 73.93 | g | 67.38 | g | 54.35 | m | 47.55 | j | 77.18 | k |
2016 | 46.22 | d | 52.39 | k | 59.54 | c | 60.73 | h | 68.29 | l | 79.54 | g | 80.45 | l | 76.68 | i | 72.40 | j | 69.62 | g | 56.93 | p | 53.00 | u | 52.88 | j |
2017 | ----- | z | 46.50 | x | 59.23 | c | 62.78 | 67.43 | a | 80.13 | 77.16 | 75.52 | 73.05 | 67.84 | 60.20 | 47.42 | 67.08 | b | ||||||||
2018 | 48.00 | 49.32 | 54.89 | 64.68 | 69.68 | 78.70 | 78.80 | a | 76.35 | 73.93 | 60.75 | a | 50.50 | 44.13 | a | 62.48 | ||||||||||
2019 | 43.30 | a | 43.75 | 53.85 | 60.98 | 62.82 | 75.34 | a | 80.42 | 78.89 | 72.09 | a | 62.52 | 54.30 | 44.95 | 61.10 | ||||||||||
2020 | 45.78 | a | 46.14 | 52.77 | 60.48 | 70.85 | 77.60 | 80.08 | 82.13 | 74.18 | 67.17 | a | 56.47 | 42.41 | c | 63.01 | ||||||||||
2021 | 43.61 | 47.89 | a | 50.97 | 62.27 | 68.53 | 80.78 | 76.69 | 75.77 | a | 72.65 | 61.81 | 56.57 | 49.26 | 62.23 | |||||||||||
2022 | 43.92 | 43.80 | 52.68 | 63.20 | 70.00 | 78.18 | 78.57 | a | 75.11 | 72.63 | 60.42 | 48.02 | a | 45.60 | a | 61.01 | ||||||||||
2023 | 42.19 | 43.93 | 52.47 | b | 60.74 | a | 66.37 | a | 74.34 | a | 84.00 | 79.23 | c | 75.57 | a | 66.47 | 54.25 | 46.35 | g | 63.60 | a | |||||
2024 | 42.76 | 47.67 | 50.74 | d | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 47.06 | i | ||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 46.73 | 49.40 | 55.11 | 61.97 | 69.50 | 78.03 | 78.85 | 76.81 | 73.43 | 64.71 | 54.58 | 46.81 | 62.75 | |||||||||||||
S.D. | 2.98 | 3.25 | 2.66 | 2.47 | 2.40 | 2.29 | 1.94 | 1.77 | 1.81 | 2.35 | 3.13 | 2.15 | 1.25 | |||||||||||||
SKEW | 0.31 | -0.12 | 0.35 | -0.15 | -0.34 | 0.33 | 0.52 | 0.76 | -0.08 | -0.32 | -0.16 | 0.47 | -0.17 | |||||||||||||
MAX | 52.38 | 55.17 | 60.48 | 67.85 | 74.15 | 82.72 | 84.00 | 82.13 | 76.98 | 68.30 | 60.45 | 52.39 | 64.33 | |||||||||||||
MIN | 42.19 | 43.75 | 50.74 | 55.08 | 62.82 | 74.17 | 75.65 | 73.80 | 69.98 | 60.40 | 47.93 | 42.41 | 61.01 | |||||||||||||
YRS | 31 | 28 | 34 | 33 | 32 | 33 | 35 | 33 | 32 | 31 | 33 | 28 | 15 |