YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1986 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 73.92 | 62.89 | ----- | z | 43.58 | a | 60.13 | i | ||
1987 | 44.37 | 47.79 | 51.79 | 59.91 | a | 68.66 | 76.10 | a | 80.66 | ----- | z | 71.72 | 66.55 | 53.38 | a | 44.23 | 60.47 | a | ||||||||
1988 | 41.73 | 49.26 | 55.70 | a | 63.23 | 71.61 | 78.60 | 80.48 | b | 80.05 | 74.45 | 66.93 | b | 49.89 | p | 44.16 | 64.20 | a | ||||||||
1989 | 48.00 | b | 48.55 | 60.23 | 70.40 | 79.03 | 83.43 | b | 85.08 | 82.56 | 75.55 | 68.52 | a | 54.86 | e | 41.10 | 66.44 | |||||||||
1990 | 48.15 | 52.00 | a | 55.00 | d | 59.17 | f | 77.70 | d | 89.83 | 81.43 | a | 78.17 | a | 75.50 | f | 64.98 | 55.98 | g | 45.73 | i | 68.41 | d | |||
1991 | 44.47 | 53.73 | 59.71 | 68.75 | h | 78.16 | c | 83.59 | a | 81.95 | j | 79.16 | 72.04 | c | 67.31 | d | 52.64 | b | 46.48 | b | 63.73 | b | ||||
1992 | 43.43 | j | 58.20 | g | 67.60 | 74.64 | h | 72.00 | b | 80.22 | a | 90.44 | e | 82.20 | a | 78.89 | g | 69.92 | 50.57 | a | 48.29 | 70.16 | d | |||
1993 | 47.89 | 48.96 | a | 55.29 | 67.16 | b | 73.35 | 81.12 | n | 85.69 | j | 81.63 | e | 77.46 | e | 65.46 | d | 51.46 | e | 47.90 | f | 63.19 | c | |||
1994 | 44.62 | k | 49.17 | g | 55.04 | e | 63.28 | g | 73.22 | b | 86.45 | a | 86.45 | a | 86.76 | d | 78.29 | b | 64.82 | c | 56.35 | f | 48.40 | e | 72.43 | d |
1995 | 44.12 | j | 53.29 | i | 54.70 | c | 62.48 | e | 69.83 | g | 78.64 | b | 82.62 | e | 82.03 | b | 73.14 | b | 67.26 | f | 56.77 | q | 46.22 | a | 68.55 | e |
1996 | 45.59 | i | 50.11 | f | 54.19 | j | 66.83 | f | 81.55 | b | 83.43 | 85.27 | a | 80.16 | c | 73.63 | c | 64.84 | i | 55.25 | f | 49.44 | e | 75.58 | f | |
1997 | 43.05 | a | 45.88 | b | 59.83 | b | 60.68 | 73.02 | c | 80.10 | 83.52 | a | 82.16 | 78.46 | d | 64.32 | a | 51.05 | a | 40.81 | d | 63.57 | ||||
1998 | 47.68 | a | 46.98 | b | 53.94 | ----- | z | 75.05 | 82.83 | 84.63 | a | 79.57 | a | 78.82 | b | 66.10 | a | 54.69 | a | 44.85 | d | 65.01 | a | |||
1999 | 48.42 | 53.57 | 56.69 | g | 63.97 | 70.69 | b | 78.10 | 82.57 | a | 83.02 | 74.70 | e | 63.63 | 58.95 | h | 43.25 | e | 66.19 | b | ||||||
2000 | 48.06 | g | 54.70 | f | ----- | z | 66.02 | 77.95 | b | 78.05 | 83.92 | 81.79 | 76.75 | 61.84 | b | 45.47 | a | ----- | z | 71.47 | d | |||||
2001 | 40.65 | 49.90 | d | 54.16 | f | 66.07 | a | 74.20 | f | 82.61 | b | 85.73 | ----- | z | 75.79 | a | 65.67 | e | 53.74 | e | 42.88 | b | 62.56 | c | ||
2002 | 46.16 | f | 44.64 | f | 54.28 | f | 68.30 | b | 74.02 | a | 83.21 | b | 81.23 | 83.35 | 75.55 | b | 61.76 | 49.07 | 43.76 | b | 68.92 | c | ||||
2003 | 45.94 | 48.73 | f | 56.30 | c | 65.97 | 72.80 | d | ----- | z | 82.11 | c | 82.16 | 74.48 | a | 66.55 | a | 54.68 | 45.73 | e | 64.67 | b | ||||
2004 | 46.11 | 45.14 | a | 59.30 | d | 60.79 | b | 73.47 | b | 79.32 | 81.02 | a | 78.53 | 73.02 | 64.14 | c | ----- | z | 44.70 | d | 64.14 | a | ||||
2005 | 48.64 | b | 48.60 | b | 54.12 | c | ----- | z | ----- | z | 80.00 | 81.61 | 78.50 | b | 77.20 | c | 64.11 | c | 54.17 | a | 44.70 | a | 63.17 | b | ||
2006 | ----- | z | 49.71 | 57.85 | a | ----- | z | ----- | z | 82.20 | 83.53 | ----- | z | 71.39 | c | 64.00 | c | 55.02 | b | 43.24 | d | 63.37 | d | |||
2007 | 39.24 | b | 48.54 | d | 59.39 | h | 60.75 | d | 68.50 | b | 77.27 | 78.44 | 81.05 | 76.54 | c | 66.68 | 53.48 | a | 45.44 | 63.27 | a | |||||
2008 | 42.76 | f | 51.39 | a | 56.08 | a | 63.20 | b | 72.90 | 84.24 | c | 81.10 | b | 79.89 | d | 71.85 | d | 64.70 | d | 52.16 | b | 45.74 | d | 65.75 | a | |
2009 | 45.37 | d | ----- | z | 59.15 | g | 62.89 | c | 73.04 | h | 80.95 | h | 83.02 | b | 81.83 | a | 72.39 | c | 61.61 | 53.53 | a | 39.45 | a | 62.51 | d | |
2010 | 42.22 | a | 45.22 | c | 53.60 | g | 64.25 | d | 71.83 | d | 83.66 | b | 79.22 | a | 81.97 | a | 76.50 | a | 65.12 | b | 51.73 | b | 48.13 | d | 64.53 | a |
2011 | 41.77 | a | 44.89 | a | 62.17 | e | 69.42 | d | 72.52 | h | 86.08 | 87.19 | 87.92 | 76.18 | e | 66.57 | c | 52.52 | 40.46 | d | 65.02 | a | ||||
2012 | 47.13 | 47.60 | 64.83 | k | 70.59 | b | 73.55 | 83.44 | f | 82.95 | k | 83.69 | 75.02 | 63.48 | 56.55 | b | 44.98 | a | 62.51 | c | ||||||
2013 | 42.00 | 47.04 | 57.05 | a | 63.28 | 72.32 | a | 83.24 | a | 84.50 | a | 81.97 | a | 75.80 | b | 63.63 | 51.53 | 41.56 | 63.66 | |||||||
2014 | 42.22 | a | 49.59 | 55.56 | ----- | z | 71.05 | 83.95 | 82.53 | a | 82.15 | 72.87 | 65.80 | a | 48.69 | a | 46.23 | a | 63.69 | a | ||||||
2015 | 40.23 | a | 47.00 | 55.23 | 63.55 | a | 71.05 | 78.88 | 83.48 | 83.15 | 78.58 | 65.25 | c | 52.32 | 44.93 | a | 63.64 | |||||||||
2016 | 42.74 | 56.64 | a | 58.02 | 63.84 | a | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 55.05 | 46.52 | 53.80 | f | ||||
2017 | 48.19 | 53.48 | 62.92 | 66.84 | a | 71.58 | 82.32 | 83.35 | 79.19 | 75.33 | 65.53 | 57.00 | 45.27 | 65.92 | ||||||||||||
2018 | 41.63 | 49.38 | 59.74 | 64.35 | 78.42 | 85.17 | 84.10 | 81.97 | 74.78 | n | ----- | z | ----- | z | ----- | z | 68.09 | d | ||||||||
2019 | 41.56 | 50.21 | 53.71 | 63.82 | 70.76 | 78.43 | 83.69 | 86.56 | 79.35 | 61.39 | 50.70 | 46.95 | a | 63.93 | ||||||||||||
2020 | 53.00 | 46.57 | 60.13 | 63.47 | a | 75.61 | 82.47 | 87.26 | 85.95 | 72.32 | 65.29 | 56.21 | a | 42.26 | 65.88 | |||||||||||
2021 | 42.05 | 42.54 | 55.32 | 61.30 | 73.27 | ----- | z | 79.40 | 79.47 | 76.95 | 76.67 | e | 53.35 | 52.10 | 62.95 | a | ||||||||||
2022 | 41.95 | 42.41 | 52.98 | 65.97 | 75.15 | 82.95 | 85.92 | 81.23 | 76.43 | 63.13 | 49.82 | ----- | z | 65.27 | a | |||||||||||
2023 | 47.39 | 45.96 | 54.63 | 60.20 | c | 71.24 | 81.03 | 87.31 | 85.56 | 79.62 | 66.87 | a | 53.22 | a | 47.52 | a | 65.05 | |||||||||
2024 | 41.26 | 50.81 | 55.68 | a | 61.75 | 74.27 | 85.02 | 82.68 | ----- | z | 76.12 | a | 70.74 | 55.03 | ----- | z | 65.34 | b | ||||||||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 44.50 | 48.65 | 57.09 | 64.29 | 73.67 | 81.92 | 83.40 | 81.98 | 75.38 | 65.49 | 52.79 | 44.95 | 64.76 | |||||||||||||
S.D. | 3.34 | 3.28 | 3.43 | 2.96 | 3.08 | 3.07 | 2.62 | 2.47 | 2.34 | 2.90 | 2.53 | 2.74 | 1.20 | |||||||||||||
SKEW | 0.49 | 0.28 | 1.10 | 0.55 | 0.70 | 0.20 | 0.41 | 0.63 | -0.01 | 1.71 | -0.74 | 0.21 | 0.24 | |||||||||||||
MAX | 53.00 | 56.64 | 67.60 | 70.59 | 81.55 | 89.83 | 90.44 | 87.92 | 79.62 | 76.67 | 57.00 | 52.10 | 66.44 | |||||||||||||
MIN | 39.24 | 42.41 | 51.79 | 59.91 | 68.50 | 76.10 | 78.44 | 78.17 | 71.39 | 61.39 | 45.47 | 39.45 | 63.57 | |||||||||||||
YRS | 30 | 30 | 29 | 29 | 31 | 32 | 34 | 33 | 35 | 35 | 30 | 33 | 8 |