YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1978 | ----- | z | 40.74 | c | 53.24 | 59.27 | 65.38 | a | 80.30 | b | 86.48 | ----- | z | 72.15 | 63.30 | a | 46.87 | 24.61 | q | 63.08 | c | |||||
1979 | 25.17 | e | 28.94 | d | 45.15 | e | 57.44 | c | 65.00 | c | 75.79 | i | 84.55 | j | 79.86 | i | 75.30 | h | 63.74 | j | 39.68 | h | 35.18 | n | 44.34 | g |
1980 | 39.54 | f | 43.40 | h | 47.12 | o | 59.42 | k | 64.60 | j | 79.25 | f | 86.29 | c | 82.57 | d | 73.23 | f | 58.19 | e | 50.12 | q | 42.68 | t | 75.68 | i |
1981 | 41.97 | 41.64 | n | 46.76 | j | 61.98 | e | 66.97 | b | 83.02 | b | 85.60 | b | 83.27 | g | 75.67 | x | 54.48 | k | 51.74 | e | 40.10 | j | 65.21 | f | |
1982 | 34.77 | k | 38.44 | a | 48.78 | d | 56.83 | a | 68.07 | b | 77.41 | b | 83.71 | c | 81.10 | a | 74.26 | c | 58.50 | c | 43.09 | h | 37.32 | 62.44 | b | |
1983 | 36.45 | c | 43.64 | g | 48.66 | c | 52.32 | 63.55 | t | 77.37 | k | 84.27 | g | 84.06 | g | 76.21 | b | 62.40 | g | 48.57 | 37.27 | t | 52.44 | g | ||
1984 | 31.33 | s | 38.12 | c | 47.60 | a | 53.73 | 72.39 | d | 76.78 | a | 85.92 | a | 83.19 | 76.09 | b | 55.22 | b | 46.98 | d | 37.21 | c | 61.20 | a | ||
1985 | 37.30 | a | 35.81 | b | 47.50 | b | 59.48 | a | 69.75 | c | 80.85 | 85.73 | 84.65 | 70.67 | a | 59.41 | b | 48.46 | b | 39.88 | n | 61.78 | a | |||
1986 | 40.50 | g | 45.12 | c | 54.58 | 58.45 | a | 67.19 | 79.80 | 82.20 | a | 84.03 | a | 69.45 | 57.34 | 47.83 | 36.22 | b | 62.02 | a | ||||||
1987 | 31.97 | 42.09 | e | 46.23 | 61.45 | 69.30 | f | 81.41 | c | 82.50 | 81.52 | a | 74.52 | a | 66.08 | f | 46.02 | 36.52 | f | 60.85 | c | |||||
1988 | 30.03 | a | 41.06 | b | 47.85 | a | 57.20 | 68.19 | 81.62 | 88.06 | 83.97 | 72.92 | 67.84 | 50.20 | b | 38.32 | c | 60.60 | ||||||||
1989 | 31.21 | 38.30 | c | 54.34 | b | 64.71 | a | 71.93 | b | 78.95 | a | 87.38 | a | 81.56 | 76.24 | a | 66.41 | o | 51.00 | k | ----- | z | 64.96 | c | ||
1990 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 85.40 | 82.80 | c | 76.22 | a | ----- | z | 46.58 | l | 33.46 | f | 81.48 | i | |
1991 | 31.77 | p | 43.62 | c | 46.90 | b | 54.91 | b | 66.27 | c | 76.30 | 85.48 | f | 82.29 | b | 76.64 | i | 61.66 | c | 44.69 | f | 36.15 | k | 61.71 | e | |
1992 | 27.50 | i | 43.04 | d | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 43.04 | k |
1993 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1994 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1995 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1996 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1997 | ----- | z | ----- | z | 52.48 | b | 54.43 | a | 71.59 | b | 80.97 | 85.13 | 82.21 | b | 74.41 | b | 59.24 | h | 48.41 | c | 37.93 | h | 68.70 | d | ||
1998 | 41.52 | d | 42.00 | b | 50.02 | c | 55.52 | b | 68.54 | c | 76.13 | c | 87.92 | a | 86.89 | 75.75 | b | 60.34 | b | 47.12 | e | 36.23 | e | 60.66 | ||
1999 | 42.69 | b | 45.07 | 55.43 | b | 53.42 | f | 67.40 | b | 78.98 | b | 85.37 | d | ----- | z | 73.27 | d | 63.37 | a | 50.86 | b | 38.43 | d | 60.09 | b | |
2000 | 41.35 | a | 44.67 | b | 48.38 | f | 62.70 | c | 74.45 | a | 82.81 | c | 88.53 | b | 87.92 | a | 76.98 | a | 56.71 | s | 42.22 | c | 41.83 | a | 64.35 | b |
2001 | 38.29 | 43.87 | b | 52.92 | 60.66 | b | 73.02 | d | 81.84 | b | 86.77 | 84.62 | b | 79.50 | a | 66.25 | c | 53.43 | 38.29 | b | 63.29 | |||||
2002 | 37.66 | b | 41.19 | a | 48.68 | 64.53 | a | 70.73 | a | 85.05 | 90.50 | b | 85.37 | a | 74.78 | 61.35 | a | 47.87 | 41.00 | b | 62.39 | |||||
2003 | 43.82 | a | 43.54 | 52.50 | d | 59.89 | b | 72.17 | a | 82.62 | a | 92.24 | 86.57 | c | 76.67 | c | 67.41 | n | 48.59 | c | 39.09 | o | 65.86 | b | ||
2004 | 35.40 | k | 39.52 | b | 58.56 | f | 59.87 | 71.85 | 82.20 | g | 87.25 | c | 84.13 | a | 74.92 | 61.47 | a | 47.05 | a | 39.48 | f | 65.76 | d | |||
2005 | 43.98 | b | 45.43 | 51.97 | a | 60.33 | c | 71.55 | a | 77.98 | 90.03 | a | 82.37 | 76.60 | a | 64.16 | 52.00 | h | 39.82 | a | 64.02 | a | ||||
2006 | 40.56 | d | 44.12 | 49.50 | a | 62.13 | 74.60 | 85.17 | 89.90 | 84.06 | 72.22 | a | 59.10 | a | 52.35 | j | 35.61 | v | 66.14 | b | ||||||
2007 | ----- | z | ----- | z | ----- | z | 61.28 | l | 74.71 | j | 82.53 | l | 90.60 | k | 87.18 | c | 75.97 | j | ----- | z | ----- | z | 36.55 | j | 87.18 | k |
2008 | 36.28 | o | 42.29 | l | 51.14 | m | 60.04 | q | 67.02 | j | 81.52 | f | 88.93 | h | 86.00 | b | 76.78 | g | 63.90 | k | 52.05 | i | 39.50 | j | 86.00 | k |
2009 | 40.24 | n | 42.07 | 51.70 | k | 58.59 | m | 74.78 | f | 77.45 | j | 89.17 | h | 85.03 | b | 76.91 | h | 59.43 | p | 49.81 | n | 32.91 | n | 63.55 | j | |
2010 | 34.50 | i | 38.64 | j | 49.29 | l | 60.97 | o | 64.14 | m | 81.55 | i | 87.81 | j | 82.18 | f | 77.90 | j | 61.94 | n | 49.00 | p | 46.27 | t | ----- | z |
2011 | 35.77 | g | 42.31 | j | 51.82 | q | 59.07 | g | 67.90 | k | 81.00 | g | 86.14 | i | 87.37 | e | 76.63 | d | 64.58 | f | 49.46 | q | 37.44 | w | 82.00 | j |
2012 | 40.62 | w | ----- | z | ----- | z | ----- | z | 72.94 | v | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 37.92 | r | ----- | z |
2013 | 31.17 | y | ----- | z | ----- | z | 52.38 | v | 73.27 | t | 86.23 | q | 88.75 | e | 83.50 | b | ----- | z | ----- | z | ----- | z | ----- | z | 86.12 | j |
2014 | 38.77 | c | 47.79 | b | 53.47 | a | 59.67 | a | 67.98 | b | 81.43 | 88.79 | 82.27 | a | 78.75 | 65.50 | 48.06 | c | 42.00 | 62.87 | ||||||
2015 | 37.03 | ----- | z | 56.92 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 48.20 | 36.32 | 44.62 | h | ||||
2016 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 87.33 | 88.44 | e | 83.85 | a | 75.67 | a | 66.32 | 61.05 | s | 37.79 | n | 80.32 | g | ||
2017 | 38.87 | l | 45.91 | q | 55.98 | g | 61.17 | f | 67.41 | o | 83.06 | u | 88.81 | b | 84.76 | b | 76.64 | b | 61.66 | b | 54.63 | 41.13 | a | 67.94 | f | |
2018 | 42.32 | 44.61 | 51.63 | 62.58 | 71.65 | 82.47 | a | 90.42 | 86.84 | 80.38 | 58.04 | d | 46.88 | a | 37.60 | 62.95 | ||||||||||
2019 | 36.71 | 36.79 | 49.43 | a | 61.17 | 60.89 | 79.12 | b | 87.97 | 86.94 | 77.27 | 56.66 | 47.23 | 38.29 | 59.87 | |||||||||||
2020 | 34.47 | 41.21 | 49.37 | 54.52 | b | 67.62 | e | 75.41 | a | 87.10 | a | 90.94 | 76.87 | 65.69 | 50.05 | 37.67 | a | 60.91 | ||||||||
2021 | 38.00 | 43.46 | 48.45 | 58.92 | 65.00 | a | 80.59 | c | 86.07 | d | 81.90 | b | 74.62 | d | 59.55 | 50.60 | 42.47 | 60.80 | ||||||||
2022 | 39.79 | 39.93 | 50.54 | c | 55.14 | e | 67.21 | s | 80.35 | t | 88.67 | p | 85.48 | 81.00 | 63.55 | 45.38 | 39.11 | 55.55 | c | |||||||
2023 | 39.77 | 37.93 | 45.35 | 57.78 | e | 73.16 | 78.82 | 91.34 | 85.21 | 77.28 | 64.43 | d | 50.19 | a | 41.85 | 61.93 | ||||||||||
2024 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 37.86 | 41.37 | 50.35 | 58.84 | 69.36 | 80.51 | 87.35 | 84.52 | 75.63 | 61.62 | 48.54 | 39.01 | 61.63 | |||||||||||||
S.D. | 4.73 | 3.81 | 3.15 | 3.30 | 3.38 | 2.94 | 2.42 | 2.24 | 2.60 | 3.45 | 2.58 | 2.12 | 1.20 | |||||||||||||
SKEW | -0.98 | -1.20 | 0.24 | -0.14 | -0.43 | 0.26 | -0.13 | 0.64 | -0.22 | 0.01 | 0.22 | 0.32 | 0.07 | |||||||||||||
MAX | 43.98 | 47.79 | 56.92 | 64.71 | 74.60 | 87.33 | 92.24 | 90.94 | 81.00 | 67.84 | 54.63 | 42.47 | 63.29 | |||||||||||||
MIN | 25.17 | 28.94 | 45.15 | 52.32 | 60.89 | 75.41 | 82.20 | 81.10 | 69.45 | 55.22 | 42.22 | 36.22 | 59.87 | |||||||||||||
YRS | 23 | 28 | 27 | 28 | 26 | 26 | 30 | 33 | 30 | 24 | 25 | 19 | 10 |