YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1979 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 28.42 | 28.42 | k | |
1980 | 36.16 | 38.45 | 36.74 | 44.57 | 53.28 | b | 58.59 | m | 65.41 | b | 65.57 | j | 57.64 | e | 43.77 | e | 34.00 | g | 30.29 | c | 45.14 | c | ||||
1981 | 31.39 | c | 32.95 | h | ----- | z | 47.35 | g | 54.55 | i | 63.79 | f | 72.67 | g | 64.18 | i | 58.68 | b | 41.85 | d | ----- | z | 30.11 | d | 40.51 | h |
1982 | 29.41 | d | 34.50 | j | 38.81 | e | 44.00 | i | 53.41 | d | 57.77 | h | 67.08 | f | 67.68 | f | 57.10 | i | 40.32 | l | 33.06 | l | 29.83 | g | 40.54 | i |
1983 | 28.07 | p | 35.19 | g | 41.00 | 39.05 | k | 49.77 | e | 58.88 | m | 63.29 | g | 69.17 | b | 59.96 | e | 44.26 | l | 31.17 | f | 26.79 | b | 49.34 | g | |
1984 | 23.56 | d | 25.73 | c | 32.07 | d | 38.54 | d | 52.10 | j | 58.11 | l | 67.70 | h | 62.76 | j | 53.85 | j | 36.77 | 29.42 | f | 26.83 | g | 31.33 | g | |
1985 | 24.12 | g | 27.42 | b | 38.38 | b | 44.76 | e | 53.93 | a | 57.93 | c | 68.45 | b | 63.90 | a | 54.54 | f | 43.37 | d | 31.40 | e | 28.63 | l | 47.73 | c |
1986 | 24.18 | i | 21.67 | y | 36.33 | a | 38.56 | l | 47.86 | c | 55.40 | 63.37 | d | 63.72 | b | 47.96 | e | 30.80 | p | 29.87 | o | 29.18 | n | 52.44 | f | |
1987 | 29.68 | l | 35.65 | b | 36.82 | c | 46.38 | i | 57.03 | a | 63.33 | c | 66.07 | a | 68.48 | b | 59.43 | b | 49.64 | c | 39.31 | d | 27.52 | f | 52.86 | c |
1988 | 28.40 | a | 32.00 | a | 33.96 | c | 45.35 | d | 51.14 | c | 58.56 | e | 69.97 | a | 66.07 | d | 54.38 | f | 51.52 | f | 37.08 | f | ----- | z | 48.18 | d |
1989 | 26.48 | d | 28.47 | i | 40.75 | c | 49.76 | a | 55.43 | c | 65.33 | f | 71.85 | d | 66.38 | e | 56.73 | h | 44.19 | e | 34.68 | e | 25.88 | e | 46.16 | c |
1990 | 28.24 | j | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 78.00 | u | 73.89 | v | 61.43 | w | 54.00 | y | 37.44 | u | ----- | z | ----- | z |
1991 | ----- | z | ----- | z | ----- | z | 43.21 | b | 48.76 | j | ----- | z | 68.95 | k | ----- | z | ----- | z | ----- | z | 37.48 | i | 32.45 | b | 37.83 | j |
1992 | 28.34 | b | ----- | z | 42.75 | g | ----- | z | ----- | z | 61.24 | a | ----- | z | 70.73 | a | 60.16 | e | ----- | z | ----- | z | ----- | z | 55.12 | h |
1993 | 34.23 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 34.23 | k | |
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 | 31.21 | c | 31.21 | k |
1996 | 28.00 | a | 38.31 | 39.06 | 48.00 | d | 55.48 | ----- | z | 59.95 | l | 60.71 | x | 53.38 | i | ----- | z | 39.77 | d | 32.57 | c | 40.17 | e | |||
1997 | 34.68 | 34.27 | b | 38.37 | a | 45.10 | a | 58.19 | 63.00 | c | 68.33 | d | 71.57 | a | 65.97 | 45.52 | b | ----- | z | 29.20 | a | 50.38 | a | |||
1998 | 33.07 | b | 37.15 | b | 40.03 | b | 43.60 | 52.40 | a | ----- | z | 70.57 | a | 71.82 | c | 62.33 | c | 47.60 | f | 36.62 | a | 27.90 | a | 47.55 | b | |
1999 | 30.87 | a | 32.87 | e | 38.55 | b | 44.82 | b | ----- | z | 59.96 | d | 71.53 | a | 68.86 | b | 61.29 | b | 44.94 | 35.55 | a | 27.90 | 47.01 | a | ||
2000 | ----- | z | 38.00 | c | 37.95 | k | 49.37 | c | 60.57 | a | 65.83 | g | 68.48 | d | 71.21 | g | 59.29 | b | 50.94 | 31.93 | c | 29.57 | a | 48.52 | d | |
2001 | 30.60 | a | 35.80 | c | 38.00 | v | 49.36 | s | 58.43 | a | 64.11 | b | 69.96 | c | 69.96 | c | 60.40 | 49.60 | a | ----- | z | 27.87 | 51.86 | c | ||
2002 | 28.71 | 29.52 | e | 33.57 | a | 47.76 | e | 47.64 | c | 60.56 | c | 63.88 | g | 56.50 | o | 42.62 | i | 48.72 | b | 36.93 | c | 30.00 | 40.38 | c | ||
2003 | ----- | z | 37.00 | 41.69 | b | 47.92 | d | 56.36 | c | 65.41 | a | 73.07 | b | 73.39 | c | 62.80 | 53.06 | ----- | z | 30.77 | a | 54.15 | b | |||
2004 | 28.66 | b | 33.86 | a | ----- | z | 44.62 | n | 54.86 | i | 65.12 | n | 70.68 | f | 68.74 | d | 59.69 | a | 52.26 | 38.96 | e | 32.64 | c | 44.97 | e | |
2005 | 38.90 | b | 40.71 | g | 41.36 | c | 43.95 | h | 57.00 | e | 63.89 | b | 71.46 | g | 71.79 | g | 58.88 | f | 52.50 | e | 39.82 | h | 27.15 | k | 50.73 | g |
2006 | 30.65 | h | 32.37 | i | 38.35 | e | 45.93 | p | 56.94 | m | 68.19 | i | 76.39 | h | 72.40 | u | 58.07 | p | 47.37 | l | 32.50 | n | 25.10 | u | 38.35 | k |
2007 | 19.94 | o | 27.08 | o | 37.08 | r | 45.00 | r | 52.71 | x | 63.50 | v | ----- | z | ----- | z | ----- | z | 46.74 | 38.23 | d | 29.30 | h | 42.49 | j | |
2008 | 29.76 | f | 32.27 | c | 36.59 | b | 37.78 | g | 48.52 | d | 59.64 | h | 70.94 | 69.16 | 58.37 | 46.33 | g | 41.89 | u | 29.16 | 49.29 | e | ||||
2009 | 30.06 | 35.75 | l | 37.50 | a | 44.36 | b | 56.95 | j | 61.97 | 72.29 | 65.17 | b | 62.13 | 45.43 | a | 31.50 | p | 29.53 | l | 52.36 | d | ||||
2010 | 30.16 | 37.43 | 39.74 | 42.83 | 51.13 | 61.86 | b | 71.58 | 69.94 | 56.77 | 53.10 | 33.90 | 34.10 | 48.54 | ||||||||||||
2011 | 29.03 | a | 31.11 | 39.19 | 43.70 | 49.90 | 58.77 | 69.59 | d | 70.29 | 61.77 | 47.48 | 34.83 | 27.16 | 46.90 | |||||||||||
2012 | 26.52 | 33.24 | 38.21 | c | 47.77 | 57.90 | 63.33 | 70.65 | 73.77 | 62.50 | 49.47 | a | 36.67 | 31.77 | 49.32 | |||||||||||
2013 | 23.77 | 28.52 | a | 39.74 | 45.61 | b | 57.23 | e | 65.65 | j | 74.68 | f | 68.24 | f | 64.22 | u | 42.81 | 36.59 | c | 25.85 | e | 37.51 | d | |||
2014 | 25.10 | ----- | z | 42.17 | y | 47.41 | a | 56.13 | p | 71.33 | r | 74.23 | a | 69.43 | a | 64.93 | a | 49.08 | e | 35.54 | q | 35.16 | 52.19 | e | ||
2015 | 32.30 | d | ----- | z | ----- | z | ----- | z | 56.64 | t | 71.35 | d | 77.33 | p | ----- | z | ----- | z | 50.30 | u | 37.36 | e | 28.21 | g | 47.00 | i |
2016 | 33.60 | a | 36.42 | c | 41.88 | g | 50.56 | c | 60.50 | a | 72.80 | 77.35 | 73.97 | 62.88 | f | 55.07 | a | 42.33 | 32.43 | h | 55.84 | c | ||||
2017 | 35.05 | k | 42.39 | 44.52 | 49.60 | 57.35 | 74.60 | t | 79.26 | 78.87 | 78.25 | v | ----- | z | ----- | z | ----- | z | 58.67 | f | ||||||
2018 | ----- | z | 36.36 | n | 42.42 | 54.13 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 48.28 | j | ||
2019 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
2020 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
2021 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
2022 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 51.33 | g | 35.73 | d | 32.16 | f | 35.73 | k |
2023 | 35.10 | b | 33.35 | b | 40.18 | c | 47.50 | 60.29 | 65.43 | 76.76 | b | 72.39 | 62.45 | a | 50.25 | c | 39.34 | a | 33.74 | d | 51.40 | |||||
2024 | 33.11 | c | 39.18 | a | 42.89 | d | 47.47 | o | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 38.39 | i |
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 30.39 | 34.35 | 38.77 | 46.36 | 54.61 | 62.72 | 70.94 | 69.81 | 60.23 | 47.68 | 36.67 | 30.02 | 49.04 | |||||||||||||
S.D. | 3.81 | 4.11 | 2.84 | 3.26 | 4.07 | 4.34 | 3.86 | 3.56 | 3.70 | 4.42 | 2.78 | 2.63 | 1.87 | |||||||||||||
SKEW | 0.15 | -0.30 | -0.38 | 0.06 | -0.25 | 0.77 | 0.28 | 0.35 | -1.66 | -0.45 | -0.08 | 0.19 | 0.19 | |||||||||||||
MAX | 38.90 | 42.39 | 44.52 | 54.13 | 60.57 | 72.80 | 79.26 | 78.87 | 65.97 | 55.07 | 42.33 | 35.16 | 51.40 | |||||||||||||
MIN | 23.56 | 25.73 | 32.07 | 38.54 | 47.64 | 55.40 | 63.37 | 63.72 | 47.96 | 36.77 | 31.40 | 25.85 | 46.90 | |||||||||||||
YRS | 26 | 23 | 27 | 23 | 24 | 18 | 21 | 22 | 20 | 23 | 18 | 23 | 4 |