YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1987 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 53.67 | o | ----- | z | ----- | z | ----- | z | ----- | z |
1988 | ----- | z | ----- | z | ----- | z | ----- | z | 49.94 | 58.87 | 67.65 | 68.50 | a | 57.15 | d | 40.58 | 35.14 | a | 25.06 | 50.36 | d | |||||
1989 | 29.33 | a | 22.33 | a | 35.86 | b | 46.14 | a | 51.34 | b | ----- | z | 68.04 | c | 65.77 | e | 56.41 | h | 45.87 | h | 36.61 | l | 14.35 | k | 45.55 | e |
1990 | ----- | z | 34.68 | i | 41.05 | j | 46.22 | l | 54.87 | h | 65.14 | b | 67.68 | 64.39 | 60.87 | 43.16 | 37.27 | 27.17 | h | 56.42 | f | |||||
1991 | 26.26 | d | 29.44 | c | ----- | z | 52.68 | b | 61.90 | 67.43 | 69.31 | b | ----- | z | 59.29 | f | 50.10 | b | 34.74 | g | 33.37 | l | 51.02 | e | ||
1992 | 28.65 | 35.52 | 38.52 | 49.27 | 54.29 | 61.55 | j | 69.32 | f | 64.18 | i | 56.86 | h | 44.57 | q | 39.13 | g | 28.16 | l | 41.25 | g | |||||
1993 | 29.62 | j | 25.44 | j | 36.32 | l | 47.17 | l | 57.36 | i | 66.05 | i | 73.26 | d | 70.08 | f | 57.59 | h | 43.68 | l | 36.53 | k | 32.00 | h | 73.26 | k |
1994 | 21.91 | i | 30.29 | k | 34.29 | n | 50.28 | l | 55.24 | n | 67.71 | b | 68.42 | 62.86 | i | 55.43 | b | 48.62 | b | 43.96 | g | 33.71 | 54.78 | g | ||
1995 | 27.13 | a | 26.31 | b | 38.53 | a | 45.27 | 57.32 | 64.93 | 68.93 | a | 71.79 | b | 58.55 | j | 53.00 | h | 33.37 | k | 25.89 | l | 50.03 | d | |||
1996 | 24.00 | m | 24.88 | m | 30.86 | i | 42.70 | j | 61.48 | f | 66.12 | f | 66.65 | e | 67.69 | b | ----- | z | 47.38 | g | 36.16 | e | 32.19 | e | 50.67 | h |
1997 | 21.39 | h | 34.50 | f | 42.55 | i | 41.69 | d | 52.42 | g | 66.04 | e | 69.58 | e | 66.45 | i | 59.04 | f | 47.05 | i | 36.36 | e | 30.40 | f | 53.42 | h |
1998 | 31.61 | h | 36.58 | b | 39.19 | 48.11 | b | 63.68 | f | 67.43 | 72.26 | 68.58 | 64.17 | 49.55 | 38.88 | d | 30.46 | c | 51.52 | b | ||||||
1999 | 27.81 | 35.33 | a | 34.42 | 51.27 | 56.74 | 67.00 | 71.55 | 64.58 | 55.10 | 45.48 | 40.27 | 31.10 | b | 48.39 | |||||||||||
2000 | 26.87 | 34.00 | a | 38.93 | a | 44.25 | b | 58.58 | 64.07 | 67.77 | a | 69.58 | 58.23 | 49.55 | 34.83 | 17.65 | 47.03 | |||||||||
2001 | 23.29 | 32.11 | a | 32.68 | 51.59 | a | 56.58 | 62.87 | 69.71 | 68.90 | a | 56.63 | 45.29 | 38.27 | 33.58 | 47.62 | ||||||||||
2002 | 27.45 | 28.61 | 34.60 | a | 50.03 | 56.19 | 67.40 | 71.84 | 69.20 | a | 62.00 | 48.39 | 34.30 | 29.23 | 48.27 | |||||||||||
2003 | 19.17 | b | 26.68 | 35.86 | b | 48.00 | 57.86 | b | 61.34 | a | 68.65 | 68.63 | a | 56.10 | 45.87 | 40.87 | 29.83 | a | 46.57 | |||||||
2004 | 23.48 | 26.25 | a | 40.13 | a | 46.87 | 60.84 | 64.33 | 67.73 | a | 62.50 | a | 57.77 | 50.93 | a | 42.67 | 27.06 | 47.55 | ||||||||
2005 | 32.31 | b | 34.48 | a | 34.52 | 47.40 | 53.52 | b | 65.63 | 69.16 | 70.32 | 62.27 | 47.39 | 37.33 | 25.93 | a | 48.36 | |||||||||
2006 | 33.87 | 24.86 | 36.97 | 50.53 | 55.84 | 64.77 | 68.43 | a | 69.10 | 55.07 | a | 44.65 | 36.86 | a | 32.29 | 47.77 | ||||||||||
2007 | 29.13 | 23.21 | 42.74 | 44.13 | 58.90 | 65.10 | 66.03 | 70.35 | 62.03 | 52.13 | 37.00 | 30.68 | 48.45 | |||||||||||||
2008 | 23.74 | d | 28.54 | a | 36.84 | 46.80 | 54.55 | 67.17 | 68.55 | 65.79 | b | 60.59 | a | 45.97 | 34.14 | b | 26.03 | 46.56 | ||||||||
2009 | 22.00 | e | 31.59 | f | 39.26 | 46.03 | a | 57.77 | a | 67.25 | b | 65.70 | a | 64.42 | 62.93 | 45.90 | a | 40.17 | a | 28.31 | b | 49.07 | a | |||
2010 | 22.20 | a | 24.80 | c | 38.78 | d | 51.63 | k | ----- | z | ----- | z | 75.10 | u | 70.58 | 59.20 | 45.10 | b | 38.07 | c | 22.48 | 40.15 | d | |||
2011 | 21.48 | 27.77 | b | 39.37 | a | 50.28 | a | 57.07 | a | 68.19 | d | 73.43 | j | 70.40 | a | 58.40 | 46.81 | 44.00 | b | 33.31 | b | 47.01 | a | |||
2012 | 32.75 | c | 34.04 | b | 48.29 | 49.07 | b | 60.70 | a | 60.67 | 72.46 | c | 64.20 | a | 57.93 | b | 45.54 | c | 31.67 | 34.23 | a | 49.30 | ||||
2013 | 27.37 | a | 27.86 | 31.03 | b | 43.70 | 55.39 | 65.58 | d | 65.83 | b | 66.42 | 62.04 | c | 48.77 | 35.95 | i | ----- | z | 49.40 | b | |||||
2014 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
2015 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
2016 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
2017 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
2018 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 34.80 | a | 34.80 | k |
2019 | 29.69 | b | 34.31 | o | 37.45 | b | 49.14 | a | 59.71 | c | 66.54 | b | 71.87 | 67.70 | d | 65.40 | t | 45.15 | e | 31.60 | 33.47 | a | 49.23 | b | ||
2020 | 32.97 | 32.69 | 44.62 | b | 45.90 | 56.57 | a | 66.50 | 71.45 | i | 67.37 | l | 60.14 | a | 43.44 | f | 39.79 | b | 28.68 | 45.32 | c | |||||
2021 | 30.00 | a | 23.54 | d | 44.80 | a | 48.03 | 54.45 | 66.63 | 69.45 | 69.16 | 60.28 | a | 53.69 | b | 33.23 | 38.97 | 49.35 | ||||||||
2022 | 22.77 | i | 26.39 | 39.32 | 46.53 | 59.61 | 63.10 | t | 71.52 | b | 67.17 | a | 58.93 | 43.88 | n | 33.92 | d | ----- | z | 50.43 | d | |||||
2023 | 32.12 | w | ----- | z | 40.77 | r | 48.11 | l | ----- | z | ----- | z | 68.68 | l | ----- | z | ----- | z | 50.40 | u | ----- | z | ----- | z | ----- | z |
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 27.13 | 29.15 | 38.38 | 47.61 | 56.77 | 65.36 | 69.15 | 67.74 | 59.24 | 47.21 | 37.08 | 29.96 | 47.93 | |||||||||||||
S.D. | 4.09 | 4.45 | 4.01 | 2.75 | 2.95 | 2.38 | 2.14 | 2.47 | 2.69 | 3.05 | 3.28 | 4.69 | 0.93 | |||||||||||||
SKEW | -0.15 | 0.22 | 0.56 | -0.14 | -0.41 | -1.23 | 0.26 | -0.44 | 0.02 | 0.15 | 0.23 | -0.67 | -0.03 | |||||||||||||
MAX | 33.87 | 36.58 | 48.29 | 52.68 | 61.90 | 68.19 | 73.26 | 71.79 | 64.17 | 53.69 | 44.00 | 38.97 | 49.35 | |||||||||||||
MIN | 19.17 | 22.33 | 31.03 | 41.69 | 49.94 | 58.87 | 65.70 | 62.50 | 55.07 | 40.58 | 31.60 | 17.65 | 46.56 | |||||||||||||
YRS | 22 | 22 | 23 | 24 | 23 | 24 | 26 | 24 | 22 | 22 | 23 | 22 | 12 |