YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1988 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 53.46 | f | 44.80 | f | ----- | z |
1989 | 43.48 | b | 43.42 | b | 59.85 | d | 69.56 | e | 72.80 | f | 82.96 | e | 91.23 | e | 85.26 | d | 81.14 | i | 68.88 | f | 59.82 | b | 52.90 | b | 65.39 | c |
1990 | 47.19 | d | 44.42 | d | 61.78 | d | 70.42 | d | 69.64 | i | 82.80 | e | 90.77 | e | 88.79 | c | 83.00 | b | 74.59 | i | 57.81 | d | 39.04 | f | 69.66 | c |
1991 | 46.48 | d | 61.38 | d | 51.41 | d | 63.48 | e | 69.13 | h | 80.43 | g | 92.32 | c | 89.45 | b | 85.59 | c | 75.70 | h | 58.28 | e | 46.96 | d | 66.15 | c |
1992 | 50.37 | d | 55.84 | d | 61.11 | c | 71.75 | f | 82.28 | b | 81.85 | d | 88.38 | b | 90.00 | e | 83.89 | b | 72.67 | d | 55.04 | b | 44.50 | c | 69.63 | a |
1993 | 36.46 | g | 44.75 | d | 62.15 | e | 64.92 | f | 75.08 | g | 78.35 | g | 86.38 | g | 87.42 | g | 82.74 | c | 69.62 | g | 53.70 | c | 47.66 | b | 58.20 | g |
1994 | 51.80 | a | 51.48 | c | 64.80 | f | 67.62 | d | 73.96 | d | 85.70 | c | 94.17 | a | 91.54 | c | 81.50 | d | 68.15 | d | 44.09 | h | 45.27 | a | 71.12 | b |
1995 | 45.89 | c | 62.17 | d | 53.59 | d | 60.43 | g | 69.00 | g | 77.74 | g | 87.78 | d | 88.72 | f | 83.93 | c | 74.88 | g | 66.34 | a | 50.66 | b | 64.34 | e |
1996 | 50.97 | b | 53.72 | d | 59.50 | g | 67.90 | i | 70.77 | e | 84.88 | d | 93.42 | e | 91.32 | c | 81.00 | e | ----- | z | 56.79 | a | 49.92 | g | 72.86 | d |
1997 | 46.03 | a | 52.00 | d | 64.60 | f | 63.68 | e | 79.07 | a | ----- | z | 88.00 | c | ----- | z | 81.74 | c | 70.04 | d | 55.52 | a | ----- | z | 67.01 | d |
1998 | 49.41 | b | 46.62 | d | ----- | z | 59.78 | g | 64.04 | f | 77.60 | e | ----- | z | 92.82 | c | 80.28 | e | 66.24 | f | 54.14 | a | 46.10 | b | 63.85 | e |
1999 | 49.38 | b | 51.35 | e | 58.59 | d | 59.70 | c | 73.63 | d | 82.85 | c | 89.62 | b | 85.56 | d | 84.32 | e | 77.40 | f | 63.73 | 50.60 | a | 68.12 | a | |
2000 | 49.13 | a | 52.22 | b | 59.77 | e | 69.21 | f | 74.96 | d | 87.42 | f | 89.46 | c | 90.67 | d | 81.44 | e | 51.19 | o | 51.72 | a | 52.47 | a | 66.87 | c |
2001 | 46.31 | b | 50.88 | c | 64.55 | b | 63.10 | a | 82.50 | w | 85.31 | d | 88.89 | d | 93.36 | c | ----- | z | 77.38 | g | 58.48 | a | 45.03 | b | 66.21 | c |
2002 | 48.44 | f | 56.96 | a | 60.68 | c | 66.31 | d | 74.66 | b | 87.89 | c | 96.81 | e | 90.36 | c | 84.60 | e | 72.48 | f | 59.11 | c | 48.70 | a | 72.61 | b |
2003 | 57.27 | a | 52.91 | e | 62.30 | a | 57.73 | d | 75.79 | b | 88.61 | b | 96.36 | f | 90.96 | c | 86.67 | c | 78.56 | f | 53.23 | d | 47.48 | b | 67.30 | b |
2004 | 48.43 | c | 49.52 | b | 67.07 | d | 68.15 | c | 75.85 | d | 85.90 | 93.90 | 90.29 | c | 84.15 | d | 66.26 | 53.11 | c | 46.71 | c | 69.11 | ||||
2005 | 37.55 | b | 47.15 | a | 59.93 | a | 63.04 | c | 71.75 | c | 79.54 | d | 95.10 | a | 91.89 | c | 80.35 | d | 71.82 | c | 59.96 | e | 48.19 | d | 67.19 | |
2006 | 49.93 | c | 54.38 | b | 51.32 | f | 63.93 | c | 77.67 | d | 87.77 | d | 94.21 | c | 89.72 | b | 84.80 | e | 71.27 | e | 57.31 | d | 48.68 | f | 73.10 | b |
2007 | 45.93 | b | 54.00 | d | 66.58 | e | 65.34 | a | 78.31 | e | 86.22 | c | 94.74 | 91.82 | c | 79.13 | 66.87 | 59.93 | b | 44.10 | a | 69.41 | ||||
2008 | 42.32 | c | 52.46 | c | 58.50 | e | 64.52 | i | 72.21 | c | 86.04 | c | 93.50 | a | 92.85 | d | 86.24 | e | 74.48 | d | 62.07 | c | 47.23 | e | 69.81 | a |
2009 | 52.54 | c | 51.71 | d | 57.94 | 66.70 | 79.55 | b | 80.29 | f | 93.27 | a | 88.52 | f | 86.81 | d | 67.96 | e | 59.13 | 38.41 | d | 65.40 | b | |||
2010 | 45.61 | 52.54 | b | 59.16 | f | 59.20 | 65.93 | b | 82.50 | d | 92.89 | c | 89.32 | f | 86.46 | b | 67.96 | e | 54.61 | b | 49.69 | b | 65.74 | b | ||
2011 | 50.50 | c | 49.92 | b | 55.37 | a | 61.83 | 67.61 | 77.93 | 88.66 | b | 89.81 | d | 85.43 | 72.27 | a | 55.90 | j | 48.10 | 67.95 | a | |||||
2012 | 53.45 | 51.83 | 57.61 | 66.57 | 76.87 | a | 84.24 | a | 92.52 | 95.48 | 88.35 | d | 74.32 | 61.30 | 46.06 | 70.72 | ||||||||||
2013 | 42.45 | 53.54 | 63.26 | 68.20 | 74.40 | a | 87.20 | 95.06 | 89.71 | 82.07 | 69.23 | 56.93 | 41.58 | 68.64 | ||||||||||||
2014 | 55.48 | 56.96 | 62.00 | 69.63 | 75.81 | 86.33 | 94.48 | 87.45 | 84.53 | 76.48 | 58.97 | 49.45 | 71.47 | |||||||||||||
2015 | 54.77 | 61.46 | 67.10 | 66.63 | 71.10 | 88.43 | 87.77 | 90.42 | 85.07 | 74.06 | 49.87 | 45.19 | 70.16 | |||||||||||||
2016 | 45.97 | 59.03 | 60.74 | 67.37 | 71.52 | 86.60 | 91.55 | 91.68 | 82.37 | 68.81 | 60.03 | 47.35 | 69.42 | |||||||||||||
2017 | 40.68 | 50.14 | 61.58 | 63.37 | 76.16 | 86.50 | 94.90 | 92.71 | 79.33 | 70.45 | 59.72 | a | 49.52 | 68.76 | ||||||||||||
2018 | 53.14 | b | 51.07 | 53.20 | a | 67.21 | b | 73.83 | b | 86.07 | a | 95.00 | e | 92.71 | c | 85.00 | b | 68.45 | b | 58.57 | 45.80 | a | 69.17 | |||
2019 | 48.97 | a | 41.70 | a | 50.69 | b | 67.68 | b | 68.69 | b | 83.55 | a | 90.32 | 91.90 | a | 79.83 | 64.72 | b | 61.11 | b | 45.62 | b | 66.23 | |||
2020 | 49.72 | b | 57.81 | c | 54.63 | a | 66.24 | a | 75.25 | c | 83.32 | b | 92.96 | c | 94.04 | c | 85.96 | g | 78.58 | e | 56.27 | d | 48.96 | c | 68.89 | a |
2021 | 48.30 | a | 52.65 | b | 56.07 | a | 69.10 | a | 76.10 | a | 91.10 | 97.52 | b | 91.87 | a | 86.13 | 64.74 | 61.46 | b | 46.33 | a | 70.12 | ||||
2022 | 50.67 | m | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 48.37 | 52.36 | 59.56 | 65.45 | 74.37 | 84.80 | 92.31 | 90.87 | 83.56 | 70.46 | 57.87 | 47.13 | 69.20 | |||||||||||||
S.D. | 4.41 | 5.00 | 4.47 | 3.34 | 3.75 | 3.18 | 2.78 | 2.28 | 2.48 | 3.74 | 3.61 | 3.01 | 1.44 | |||||||||||||
SKEW | -0.25 | -0.03 | -0.22 | -0.66 | -0.28 | -0.56 | -0.18 | -0.66 | -0.16 | 0.38 | -0.08 | -0.56 | -0.57 | |||||||||||||
MAX | 57.27 | 62.17 | 67.10 | 70.42 | 82.28 | 91.10 | 97.52 | 95.48 | 88.35 | 78.58 | 66.34 | 52.90 | 71.47 | |||||||||||||
MIN | 37.55 | 41.70 | 50.69 | 57.73 | 65.93 | 77.60 | 87.77 | 85.26 | 79.13 | 64.72 | 49.87 | 38.41 | 66.23 | |||||||||||||
YRS | 31 | 33 | 27 | 26 | 26 | 27 | 30 | 28 | 30 | 21 | 31 | 29 | 12 |