YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1982 | ----- | z | ----- | z | 68.71 | 78.75 | b | 82.39 | 92.97 | 92.39 | 90.03 | 87.80 | 80.97 | 65.57 | 57.55 | 79.71 | b | |||||||||
1983 | 60.20 | a | 62.18 | 64.07 | a | 68.73 | 83.48 | 90.10 | 93.87 | 89.52 | 86.63 | 76.13 | 66.72 | a | 63.32 | 75.41 | ||||||||||
1984 | 58.87 | 64.97 | 71.87 | 73.70 | 89.00 | 89.48 | a | 88.84 | 86.55 | 86.13 | 74.35 | 67.83 | 59.52 | 75.93 | ||||||||||||
1985 | 56.29 | 59.86 | 68.29 | 75.87 | 84.10 | 93.80 | 93.94 | 90.06 | 84.57 | 76.10 | 68.37 | 63.48 | 76.23 | |||||||||||||
1986 | 67.52 | 66.29 | 70.68 | 78.17 | 85.45 | 91.97 | 88.87 | 88.81 | 85.23 | 77.35 | 66.23 | 58.23 | 77.07 | |||||||||||||
1987 | 61.59 | b | 60.79 | 65.23 | 76.17 | 80.29 | 93.67 | 93.16 | 87.26 | 84.90 | a | 81.90 | 67.24 | a | 59.79 | b | 76.00 | |||||||||
1988 | 59.97 | 66.03 | 70.32 | 76.03 | a | 84.94 | 93.27 | 92.13 | 87.06 | 86.53 | 80.81 | 69.80 | 61.30 | a | 77.35 | |||||||||||
1989 | 58.35 | 68.63 | a | 76.45 | 85.40 | 88.23 | 96.88 | d | 96.55 | 90.74 | 90.83 | 79.35 | 71.93 | 63.13 | 80.54 | |||||||||||
1990 | 62.87 | 62.56 | a | 70.10 | 77.37 | 81.87 | 97.13 | 86.84 | 85.48 | 84.70 | 79.53 | a | 68.77 | 59.42 | 76.39 | |||||||||||
1991 | 57.48 | 64.32 | 62.87 | 75.60 | 82.71 | 90.07 | 89.71 | 87.77 | 84.07 | 80.61 | 68.28 | a | 56.57 | a | 75.00 | |||||||||||
1992 | 53.81 | 60.93 | 65.35 | 78.27 | 79.77 | 90.90 | 89.94 | 87.13 | 88.43 | 81.13 | 64.79 | a | 58.53 | a | 74.92 | |||||||||||
1993 | 59.48 | 61.00 | 70.03 | a | 78.29 | b | 84.84 | 93.17 | a | 91.25 | w | 86.75 | k | 85.96 | e | 78.13 | a | 66.38 | a | 62.10 | b | 73.94 | b | |||
1994 | 64.77 | 63.92 | d | 68.67 | a | 76.32 | b | 83.90 | a | 95.75 | b | 95.20 | a | 91.90 | b | 86.39 | g | 78.00 | g | 66.76 | e | 61.46 | g | 78.58 | c | |
1995 | 59.37 | d | 67.55 | f | 71.15 | e | 74.85 | c | 81.04 | h | 92.59 | h | 93.77 | a | 92.64 | f | 88.42 | k | 83.91 | h | 72.15 | d | 64.00 | j | 74.26 | g |
1996 | 66.91 | h | 67.96 | d | 70.00 | h | 78.76 | e | 88.89 | d | 94.92 | e | 91.72 | b | 88.87 | 82.90 | 78.55 | b | 70.16 | e | 64.52 | f | 82.53 | c | ||
1997 | 58.96 | f | 63.45 | h | 73.14 | c | 72.66 | a | 86.81 | d | 90.93 | a | 92.07 | c | 88.38 | b | 88.88 | d | 79.50 | k | 69.82 | b | ----- | z | 82.84 | d |
1998 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 91.23 | 90.87 | 89.73 | 80.68 | 71.89 | b | 61.97 | 81.06 | f | |||||
1999 | 66.35 | 70.14 | 72.97 | 73.31 | a | 84.74 | 90.37 | 86.22 | d | 88.23 | 87.90 | 82.00 | b | 76.50 | 60.62 | e | 78.28 | |||||||||
2000 | 67.57 | c | 69.67 | b | 69.85 | d | 82.44 | c | 90.33 | d | 90.00 | 91.90 | a | 89.89 | d | 90.21 | a | 74.40 | a | 61.17 | a | 64.94 | 78.53 | |||
2001 | 56.52 | d | 63.92 | d | 69.41 | b | 76.68 | b | 87.10 | a | 93.52 | a | 87.73 | a | 90.23 | a | 89.03 | 80.71 | 70.38 | a | 61.60 | f | 78.66 | a | ||
2002 | 62.00 | b | 65.92 | c | 72.29 | c | 82.45 | a | 87.38 | b | 96.41 | a | 91.11 | c | 90.21 | b | 86.69 | a | 77.62 | b | 70.38 | d | 58.52 | b | 78.41 | |
2003 | 67.52 | b | 62.36 | f | 68.77 | a | 76.56 | c | 87.84 | 93.53 | 96.17 | a | 90.29 | c | 88.61 | b | 81.25 | c | 68.41 | c | 64.81 | d | 80.34 | a | ||
2004 | 59.42 | e | 59.73 | g | 74.36 | c | 72.76 | a | 85.59 | b | 93.32 | b | 91.57 | a | 88.33 | a | 87.10 | a | 77.62 | b | 64.00 | d | 60.60 | a | 77.70 | a |
2005 | 61.14 | c | 60.57 | 67.93 | c | 78.18 | b | 86.39 | 93.50 | b | 95.65 | 87.23 | 88.24 | a | 79.34 | b | 72.90 | 65.17 | a | 78.02 | ||||||
2006 | 66.20 | a | 68.82 | 67.90 | a | 80.80 | 88.39 | 94.90 | a | 93.33 | a | 85.16 | 82.13 | 77.50 | a | 73.57 | 60.10 | b | 78.23 | |||||||
2007 | 55.26 | 65.37 | a | 71.97 | 77.66 | a | 86.00 | 94.31 | a | 92.16 | 89.84 | 88.13 | 82.52 | 75.00 | 60.35 | 78.21 | ||||||||||
2008 | 59.58 | 64.57 | a | 71.65 | 78.17 | 83.00 | b | 94.63 | 88.63 | a | 86.77 | 84.70 | 80.03 | 70.55 | a | 61.90 | a | 77.02 | ||||||||
2009 | 64.00 | a | 68.14 | 72.48 | d | 76.26 | g | 87.07 | c | 89.58 | d | 93.23 | e | 92.30 | d | 88.30 | c | 78.64 | i | 72.23 | 57.77 | 78.51 | b | |||
2010 | 59.26 | 60.15 | b | 65.52 | 74.57 | g | 84.91 | h | 94.53 | k | 92.52 | j | 91.20 | f | 88.38 | i | 80.83 | m | 65.85 | j | 67.71 | c | 63.16 | h | ||
2011 | 60.15 | k | 61.86 | f | 75.00 | g | 78.25 | b | 80.84 | f | 97.31 | n | 92.20 | k | 93.48 | h | 91.52 | i | 84.12 | e | 68.08 | f | 58.70 | h | 81.18 | j |
2012 | 68.86 | j | 65.75 | i | 76.33 | s | 82.64 | h | 88.29 | j | 97.05 | h | 90.79 | l | 92.76 | f | 87.00 | o | 84.58 | g | 74.17 | l | 66.56 | m | ----- | z |
2013 | 57.68 | f | 60.78 | e | 75.00 | h | 79.42 | f | 85.67 | g | 97.17 | l | 90.00 | e | 90.30 | d | 89.08 | f | 80.35 | e | 74.57 | g | 65.33 | p | 80.36 | h |
2014 | 69.21 | c | 69.57 | g | 72.90 | j | 79.10 | i | 84.25 | k | 95.48 | g | 93.04 | h | 88.48 | j | 83.73 | o | 83.12 | n | 72.78 | l | 66.32 | l | 69.21 | k |
2015 | 63.74 | l | 70.16 | i | 70.50 | m | 77.05 | j | 79.38 | w | 94.17 | f | 89.30 | a | 92.56 | f | 86.17 | g | 80.58 | g | 71.76 | m | 63.67 | j | 89.30 | k |
2016 | 61.78 | d | 69.56 | k | 75.54 | c | 75.68 | h | 83.95 | l | 94.35 | g | 94.42 | l | 90.73 | i | 86.10 | j | 85.08 | g | 72.43 | p | 68.10 | u | 68.66 | j |
2017 | ----- | z | 63.25 | x | 77.43 | c | 81.63 | 85.53 | a | 98.97 | 91.03 | 90.35 | 89.57 | 86.71 | 78.97 | 63.65 | 84.38 | b | ||||||||
2018 | 66.00 | 65.29 | 71.77 | 82.97 | 89.19 | 96.67 | 92.90 | a | 90.00 | 89.37 | 74.63 | a | 67.87 | 58.63 | a | 78.77 | ||||||||||
2019 | 58.53 | a | 58.50 | 70.58 | 77.93 | 79.87 | 93.86 | a | 96.68 | 93.06 | 86.14 | a | 79.58 | 68.20 | 58.81 | 76.81 | ||||||||||
2020 | 61.73 | a | 62.14 | 66.87 | 78.37 | 90.26 | 95.83 | 94.84 | 98.61 | 90.73 | 86.03 | a | 74.20 | 59.64 | c | 79.94 | ||||||||||
2021 | 60.23 | 66.07 | a | 67.48 | 79.37 | 87.39 | 98.10 | 89.35 | 89.47 | a | 87.63 | 79.32 | 73.87 | 64.48 | 78.56 | |||||||||||
2022 | 60.68 | 61.39 | 69.84 | 81.53 | 89.23 | 94.43 | 93.10 | a | 87.42 | 87.20 | 75.19 | 64.52 | a | 60.83 | a | 77.11 | ||||||||||
2023 | 57.55 | 58.57 | 68.21 | b | 79.07 | a | 84.50 | a | 92.10 | a | 100.97 | 94.52 | b | 92.03 | a | 83.16 | 70.50 | 62.52 | 78.64 | |||||||
2024 | 57.55 | 63.52 | 65.11 | c | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 62.06 | i | ||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 61.14 | 63.97 | 69.86 | 77.74 | 85.65 | 93.61 | 92.11 | 89.49 | 87.30 | 79.63 | 69.60 | 61.16 | 77.45 | |||||||||||||
S.D. | 3.89 | 3.31 | 3.39 | 3.36 | 2.92 | 2.54 | 3.06 | 2.62 | 2.34 | 3.07 | 3.77 | 2.67 | 1.49 | |||||||||||||
SKEW | 0.39 | 0.17 | 0.11 | -0.19 | -0.35 | 0.10 | 0.44 | 1.22 | -0.19 | 0.21 | 0.23 | 0.43 | 0.06 | |||||||||||||
MAX | 69.21 | 70.14 | 77.43 | 85.40 | 90.33 | 98.97 | 100.97 | 98.61 | 92.03 | 86.71 | 78.97 | 67.71 | 80.54 | |||||||||||||
MIN | 53.81 | 58.50 | 62.87 | 68.73 | 79.77 | 89.48 | 86.22 | 85.16 | 82.13 | 74.35 | 61.17 | 56.57 | 74.92 | |||||||||||||
YRS | 34 | 31 | 36 | 34 | 33 | 33 | 36 | 34 | 33 | 33 | 35 | 31 | 23 |