YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1987 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 37.23 | a | 37.23 | k |
1988 | 38.00 | 45.57 | a | 46.13 | 56.13 | 61.42 | 72.23 | 79.03 | 76.52 | d | 67.50 | 64.48 | 46.73 | 38.80 | a | 57.71 | ||||||||||
1989 | 37.29 | 43.54 | 51.74 | 60.27 | 63.74 | 71.07 | 80.03 | 76.23 | 71.38 | a | 59.17 | a | 48.60 | 38.87 | a | 58.49 | ||||||||||
1990 | 38.39 | 40.54 | 49.32 | 56.72 | a | 61.67 | a | 73.57 | 76.83 | b | 73.71 | 72.48 | a | 59.86 | b | 48.80 | 39.40 | a | 57.61 | |||||||
1991 | 40.83 | b | 47.36 | f | 43.40 | a | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 41.44 | l | 43.26 | 42.50 | i | |
1992 | 40.26 | 45.72 | 46.55 | b | 54.96 | b | 63.41 | d | 70.30 | 75.57 | a | 75.40 | f | 72.33 | 60.11 | c | 41.82 | b | 39.90 | 55.54 | a | |||||
1993 | 45.66 | b | 43.29 | 46.67 | a | 51.90 | 62.63 | a | 67.45 | a | 74.97 | b | 76.07 | a | 68.27 | 59.90 | 44.83 | a | 38.81 | 56.70 | ||||||
1994 | 37.03 | ----- | z | 49.17 | a | 55.57 | 60.69 | b | 74.66 | a | 77.80 | a | 80.77 | 72.04 | e | 57.81 | 43.63 | 40.90 | a | 59.10 | a | |||||
1995 | 41.58 | 46.93 | 46.77 | a | 51.03 | a | 58.39 | 67.22 | c | 77.31 | b | 79.29 | c | 73.97 | a | 58.13 | a | 50.50 | 41.73 | a | 57.74 | |||||
1996 | 39.32 | 48.52 | 47.40 | a | 55.31 | a | 65.39 | 74.90 | a | 80.94 | 77.67 | a | 68.62 | a | 58.75 | c | 48.90 | 40.79 | b | 58.87 | ||||||
1997 | 42.53 | a | 42.26 | a | 51.50 | c | 57.48 | g | 69.19 | 71.10 | 78.16 | 78.17 | b | 74.66 | a | 58.77 | 48.63 | 38.62 | b | 59.42 | a | |||||
1998 | 41.58 | 39.85 | b | 44.58 | 47.59 | a | 57.35 | 66.90 | 77.26 | 78.68 | 72.93 | b | 57.81 | 45.83 | 38.84 | 55.77 | ||||||||||
1999 | 39.07 | b | 43.61 | 47.26 | 50.36 | b | 61.77 | 71.77 | 76.94 | 76.35 | 71.90 | 59.97 | b | 50.33 | 38.10 | 57.28 | ||||||||||
2000 | 41.67 | a | 43.61 | a | 48.13 | a | 57.00 | 66.63 | a | 73.69 | a | 79.55 | 77.13 | 72.70 | 59.33 | a | 41.20 | 39.07 | d | 58.31 | ||||||
2001 | 39.29 | 39.85 | b | 47.14 | b | 54.30 | 66.71 | 72.53 | 78.50 | e | 76.20 | a | 73.63 | 61.97 | 52.89 | b | 37.30 | a | 58.36 | |||||||
2002 | 39.61 | 42.04 | 44.65 | 58.10 | 61.19 | 74.72 | a | 77.55 | 77.29 | 73.00 | 57.61 | 47.93 | a | 39.67 | a | 57.78 | ||||||||||
2003 | 43.35 | 44.43 | 48.00 | 51.83 | 63.19 | 70.17 | 79.61 | c | 77.90 | 72.76 | a | 65.84 | 47.21 | a | 39.80 | a | 58.67 | |||||||||
2004 | 42.00 | a | 39.88 | c | 53.79 | b | 57.04 | b | 63.87 | a | 70.80 | 76.48 | 76.87 | a | 69.57 | 57.76 | b | 45.73 | 40.52 | b | 57.86 | |||||
2005 | 43.19 | 45.71 | 45.55 | b | 52.52 | a | 62.29 | 71.03 | a | 77.81 | 71.83 | a | 70.47 | 60.58 | 48.00 | c | 38.21 | b | 57.27 | |||||||
2006 | 39.03 | a | 43.32 | 46.84 | 53.93 | a | 64.77 | 74.97 | a | 77.97 | b | 74.68 | 68.43 | 58.87 | a | 49.74 | c | 38.38 | b | 57.58 | ||||||
2007 | 38.29 | 43.71 | 50.71 | 55.63 | c | 65.45 | b | 72.03 | a | 78.72 | b | 79.06 | 70.91 | g | 59.23 | a | 53.16 | e | 38.17 | b | 57.65 | a | ||||
2008 | 40.13 | a | 41.08 | d | 45.35 | e | 52.15 | d | 59.58 | 72.90 | a | 78.30 | d | 76.81 | 72.80 | 59.52 | b | 50.24 | a | 41.21 | c | 57.51 | ||||
2009 | 41.59 | b | 42.85 | b | 48.80 | f | 53.59 | m | 69.70 | d | 71.72 | a | 80.45 | 78.90 | 73.83 | a | 58.77 | a | 51.88 | e | 40.24 | f | 63.30 | c | ||
2010 | 41.97 | 44.22 | a | 44.48 | b | 51.70 | 58.40 | a | 70.59 | a | 80.48 | b | 79.10 | b | 73.00 | e | 61.74 | 47.82 | b | 43.57 | a | 58.09 | ||||
2011 | 37.52 | d | 36.46 | d | 49.35 | e | 57.22 | c | 60.17 | b | 72.54 | b | 79.61 | 81.63 | a | 73.88 | e | 63.11 | c | 48.15 | d | 38.17 | b | 58.15 | ||
2012 | 43.12 | e | 43.79 | e | 47.07 | a | 56.56 | c | 66.92 | f | 75.30 | c | 77.81 | d | 79.39 | c | 72.74 | c | 61.83 | b | 51.56 | c | 41.86 | b | 59.18 | a |
2013 | 37.43 | c | 39.93 | 51.04 | f | 54.58 | f | 61.96 | f | 77.50 | x | 78.17 | g | 78.30 | k | 71.00 | i | 56.87 | 51.12 | d | 38.96 | f | 46.34 | h | ||
2014 | 40.81 | 47.04 | b | 51.27 | i | 57.52 | a | 66.00 | g | 76.04 | d | 79.65 | e | 76.57 | c | 73.21 | b | 63.37 | d | 51.11 | b | 43.11 | c | 60.84 | b | |
2015 | 43.00 | b | 49.12 | d | 53.12 | g | 55.30 | 60.22 | d | 75.95 | h | 78.41 | d | 80.03 | b | 74.04 | b | 63.15 | d | 45.50 | f | 38.10 | j | 62.91 | d | |
2016 | 40.45 | k | 46.87 | f | 51.04 | d | 56.59 | c | 63.11 | c | 76.12 | e | 81.00 | g | 74.96 | f | 71.48 | c | 65.93 | d | 53.25 | f | 44.26 | d | 61.22 | e |
2017 | 43.19 | e | 48.20 | c | 53.80 | a | 56.68 | e | 63.79 | b | 75.48 | a | 77.96 | c | 77.45 | 70.96 | b | 65.82 | c | 55.33 | c | 44.93 | a | 61.13 | ||
2018 | 45.63 | a | 45.96 | a | 50.55 | b | 60.12 | m | 65.12 | f | 74.50 | h | 78.96 | c | 78.41 | d | 74.82 | b | 61.35 | 47.75 | b | 42.03 | a | 58.39 | c | |
2019 | 41.88 | e | 40.43 | 45.96 | d | 56.92 | d | 58.04 | d | 72.54 | d | 78.50 | a | 78.48 | d | 68.22 | c | 55.81 | d | 51.90 | a | 42.74 | 57.62 | |||
2020 | 39.90 | b | 41.48 | d | 48.81 | d | 54.63 | c | 67.38 | g | 71.64 | e | 81.56 | d | 81.00 | b | 73.33 | c | 62.52 | b | 53.07 | b | 39.59 | b | 58.87 | a |
2021 | 41.07 | d | 44.46 | 48.13 | a | 59.07 | a | 64.52 | b | 77.90 | a | 78.16 | 75.83 | b | 72.57 | 58.08 | e | 53.10 | a | 44.97 | b | 59.82 | ||||
2022 | 41.61 | c | 40.61 | 47.07 | c | 57.62 | a | 63.15 | d | 76.64 | e | 80.03 | 75.83 | b | 74.68 | e | 61.28 | b | 43.81 | c | 40.30 | a | 58.55 | |||
2023 | 37.45 | 37.89 | 43.55 | 50.93 | 63.67 | a | 68.07 | a | 83.17 | a | 80.53 | a | 71.20 | 63.03 | 52.83 | 43.29 | 57.97 | |||||||||
2024 | 40.74 | 45.00 | 46.03 | 49.16 | k | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 43.92 | i | |||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 40.69 | 43.26 | 47.77 | 54.94 | 62.80 | 72.46 | 78.61 | 77.64 | 72.04 | 60.52 | 48.91 | 40.48 | 58.04 | |||||||||||||
S.D. | 2.26 | 3.02 | 2.69 | 2.90 | 3.05 | 2.80 | 1.69 | 2.14 | 2.03 | 2.64 | 3.44 | 2.23 | 1.04 | |||||||||||||
SKEW | 0.21 | -0.07 | 0.55 | -0.55 | 0.28 | -0.20 | 0.34 | -0.39 | -0.82 | 0.51 | -0.42 | 0.52 | 0.87 | |||||||||||||
MAX | 45.66 | 49.12 | 53.80 | 60.27 | 69.70 | 77.90 | 83.17 | 81.63 | 74.82 | 65.93 | 55.33 | 44.97 | 61.13 | |||||||||||||
MIN | 37.03 | 36.46 | 43.40 | 47.59 | 57.35 | 66.90 | 74.97 | 71.83 | 67.50 | 55.81 | 41.20 | 37.23 | 55.77 | |||||||||||||
YRS | 36 | 34 | 33 | 31 | 30 | 32 | 33 | 32 | 33 | 35 | 33 | 34 | 23 |