YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1989 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 68.96 | b | 56.55 | a | 47.36 | a | 39.53 | 53.10 | h | |
1990 | 35.91 | d | 39.41 | e | 49.65 | 57.22 | g | 59.17 | a | 69.58 | 75.97 | b | 72.52 | a | 67.72 | c | 57.86 | b | 45.95 | b | 28.71 | c | 54.77 | a | ||
1991 | 36.46 | d | 46.08 | d | 41.52 | e | 51.93 | a | 59.25 | a | 68.97 | 78.98 | 75.93 | a | 71.78 | n | 61.19 | b | 46.15 | d | 38.89 | d | 55.03 | a | ||
1992 | 35.70 | h | 44.76 | d | 47.88 | c | 58.84 | a | 65.33 | a | 71.00 | a | 76.65 | 79.71 | c | 69.98 | c | 60.93 | d | 43.20 | b | 32.00 | h | 61.83 | b | |
1993 | 37.72 | h | 39.91 | e | 50.22 | a | 54.85 | 63.21 | 69.47 | a | 75.55 | a | 75.34 | 68.13 | c | 57.90 | b | 42.60 | d | 36.96 | d | 57.65 | a | |||
1994 | 39.19 | e | 37.86 | f | 51.21 | c | 56.24 | c | 63.77 | a | 76.37 | 80.39 | 79.75 | a | 69.73 | b | 55.25 | g | 37.38 | e | 37.66 | f | 61.56 | c | ||
1995 | 38.29 | g | 49.59 | e | 45.74 | d | 50.94 | d | 58.13 | 67.88 | a | 77.35 | 78.89 | c | 71.33 | c | 57.80 | f | 50.59 | b | 39.71 | b | 59.02 | b | ||
1996 | 37.12 | g | 45.70 | f | 49.04 | e | 55.81 | c | 66.80 | a | 74.48 | 82.28 | d | 80.19 | b | 69.45 | h | 57.38 | e | 46.40 | d | 38.32 | 61.19 | c | ||
1997 | 35.57 | a | 42.50 | d | 50.14 | c | 52.58 | e | 68.25 | a | 72.16 | a | 76.83 | a | 77.68 | f | 70.81 | d | 56.18 | a | 46.71 | b | 36.85 | 55.33 | a | |
1998 | 38.92 | 39.02 | d | 46.25 | e | 49.10 | a | 57.24 | d | 66.66 | a | 79.26 | 78.71 | l | 69.43 | c | 54.67 | p | 44.18 | e | 38.45 | b | 52.85 | b | ||
1999 | 38.83 | p | 41.02 | d | 47.54 | c | 48.85 | g | 61.37 | e | 71.76 | c | 76.67 | m | 74.56 | g | 69.91 | g | 62.45 | k | 47.61 | k | 38.35 | d | 52.01 | g |
2000 | 42.31 | o | 43.18 | g | 47.86 | b | 57.87 | c | 66.67 | d | 74.20 | c | 74.81 | g | 76.07 | d | 67.78 | c | 56.75 | c | 39.84 | b | 41.28 | d | 58.70 | c |
2001 | 38.90 | b | 39.78 | a | 49.33 | b | 52.81 | c | 67.37 | d | 71.35 | g | 77.15 | e | 77.81 | g | 67.10 | a | 62.26 | d | 50.20 | h | 36.65 | h | 56.84 | d |
2002 | 39.24 | f | 43.77 | d | 46.96 | c | 59.90 | j | 64.14 | i | 75.24 | g | 80.00 | k | 74.82 | q | 70.59 | c | 57.95 | c | 50.39 | g | 40.04 | h | 54.82 | h |
2003 | 48.30 | d | 47.24 | e | 51.20 | f | 54.02 | f | 65.23 | e | 75.09 | g | 80.62 | g | 76.32 | f | 70.50 | 63.00 | b | 42.41 | a | 37.91 | c | 53.51 | e | |
2004 | 38.69 | b | 38.80 | a | 54.24 | 56.87 | 63.87 | 72.42 | 76.58 | a | 73.05 | 66.86 | a | 53.17 | h | 45.21 | a | 39.23 | c | 56.89 | a | |||||
2005 | 42.53 | b | 43.73 | 48.74 | b | 53.68 | 63.81 | 70.98 | 79.45 | 74.52 | 66.72 | a | 58.92 | 49.43 | 39.37 | 57.66 | ||||||||||
2006 | 39.69 | 41.98 | f | 42.92 | 54.53 | 67.21 | 74.23 | 80.31 | 74.58 | 67.32 | 56.98 | 47.18 | 37.81 | 58.43 | a | |||||||||||
2007 | 35.69 | 42.75 | 51.98 | b | 56.60 | 65.39 | 72.87 | 81.42 | 77.19 | 69.05 | 56.98 | 49.88 | 34.85 | 57.89 | ||||||||||||
2008 | 36.11 | 40.95 | 48.89 | 54.03 | 60.45 | 72.32 | 79.79 | 78.81 | 70.67 | 59.13 | 51.57 | 34.53 | 57.27 | |||||||||||||
2009 | 39.48 | 41.23 | 47.42 | 57.05 | j | 69.63 | 68.87 | 80.19 | 75.90 | 72.45 | 54.72 | a | 48.48 | a | 33.65 | 57.46 | a | |||||||||
2010 | 38.71 | 42.12 | 47.11 | 52.15 | 58.32 | 72.68 | 80.31 | 75.55 | 69.93 | 59.60 | 44.45 | 41.72 | a | 56.89 | ||||||||||||
2011 | 39.10 | 39.46 | 47.47 | 53.57 | 58.95 | 69.73 | 76.23 | a | 77.66 | 71.57 | 59.13 | 43.17 | 37.85 | a | 56.16 | |||||||||||
2012 | 36.65 | r | 43.02 | i | 48.27 | 56.10 | 65.95 | 72.38 | 76.18 | 79.25 | a | 71.10 | 60.16 | 50.26 | a | 37.98 | 61.76 | b | ||||||||
2013 | 36.48 | 40.16 | 51.76 | 56.62 | 64.31 | 74.50 | 79.89 | 74.32 | 67.95 | 54.52 | 47.67 | 37.29 | b | 57.12 | ||||||||||||
2014 | 43.84 | 43.88 | 49.97 | 55.60 | 64.44 | 73.05 | 79.10 | 74.02 | 70.93 | 60.95 | 47.98 | 41.08 | 58.74 | |||||||||||||
2015 | 43.52 | 49.25 | 53.33 | a | 54.42 | 60.85 | 74.88 | 75.88 | a | 77.68 | 71.87 | 61.56 | 44.02 | 36.84 | 58.68 | |||||||||||
2016 | 37.68 | 44.83 | 51.39 | 55.45 | 61.56 | 76.38 | 77.82 | 74.82 | 68.20 | 60.02 | 49.50 | 37.15 | 57.90 | |||||||||||||
2017 | 37.95 | 44.80 | 52.56 | 55.24 | a | 63.72 | a | 75.07 | 80.73 | 76.98 | 68.12 | 58.61 | 50.27 | 42.39 | 58.87 | |||||||||||
2018 | 43.19 | 41.73 | 47.47 | 57.83 | 64.37 | 74.90 | 80.50 | 77.53 | 70.97 | 57.65 | 46.37 | 40.15 | 58.55 | |||||||||||||
2019 | 39.76 | 35.80 | 48.45 | 57.83 | 57.13 | 71.50 | 76.06 | 76.21 | 68.67 | 53.18 | 47.83 | 37.23 | 55.80 | |||||||||||||
2020 | 40.19 | 43.05 | a | 46.15 | 55.12 | 66.52 | 71.22 | a | 76.33 | a | 77.56 | 71.03 | a | 62.20 | a | 48.13 | 38.63 | 58.01 | ||||||||
2021 | 39.27 | 41.62 | 45.44 | 56.47 | 63.97 | 76.88 | 80.82 | a | 76.53 | 70.35 | 54.50 | 52.47 | 39.40 | 58.14 | ||||||||||||
2022 | 39.68 | 41.55 | 49.40 | b | 54.72 | a | 62.29 | 74.15 | d | 80.10 | a | 78.74 | 73.27 | 60.89 | 41.97 | 38.23 | 57.92 | |||||||||
2023 | 37.83 | a | 38.07 | a | 41.39 | 54.28 | 63.66 | 69.10 | 80.68 | 75.60 | 67.84 | a | 59.34 | 46.92 | 42.85 | 56.46 | ||||||||||
2024 | 39.34 | 42.74 | 47.26 | 54.37 | g | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 43.11 | i | |||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 39.33 | 42.32 | 48.38 | 54.90 | 63.28 | 72.28 | 78.63 | 76.60 | 69.59 | 58.57 | 46.42 | 38.17 | 57.63 | |||||||||||||
S.D. | 2.90 | 3.15 | 2.97 | 2.23 | 3.33 | 2.64 | 2.03 | 2.08 | 1.75 | 2.52 | 3.45 | 2.74 | 0.94 | |||||||||||||
SKEW | 1.19 | 0.46 | -0.41 | -0.54 | -0.26 | -0.18 | -0.09 | -0.03 | 0.07 | -0.23 | -0.54 | -1.21 | -0.50 | |||||||||||||
MAX | 48.30 | 49.59 | 54.24 | 58.84 | 69.63 | 76.88 | 82.28 | 80.19 | 73.27 | 63.00 | 52.47 | 42.85 | 58.87 | |||||||||||||
MIN | 35.57 | 35.80 | 41.39 | 49.10 | 57.13 | 66.66 | 75.55 | 72.52 | 66.72 | 53.18 | 37.38 | 28.71 | 55.80 | |||||||||||||
YRS | 27 | 30 | 34 | 29 | 33 | 31 | 30 | 28 | 32 | 30 | 32 | 31 | 16 |