YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1986 | ----- | z | ----- | z | ----- | z | 43.77 | 51.93 | b | 65.60 | a | 65.59 | b | 69.70 | c | 52.84 | b | 46.69 | b | 36.02 | b | 27.97 | a | 51.12 | c | |
1987 | 23.52 | b | 31.42 | b | 36.79 | 50.28 | a | 55.24 | b | 63.02 | 64.92 | 64.43 | a | 59.25 | 50.90 | a | 36.98 | 26.17 | a | 46.91 | ||||||
1988 | 23.92 | 33.18 | a | 36.77 | a | 46.52 | a | 50.66 | b | 65.53 | 70.34 | b | 66.77 | 56.68 | 53.74 | 33.95 | a | 25.58 | 46.97 | |||||||
1989 | 20.92 | 22.48 | a | 40.22 | a | 47.63 | 51.63 | 60.67 | a | 72.03 | a | 64.50 | 58.02 | c | 46.84 | 37.21 | a | 31.77 | 46.16 | |||||||
1990 | 26.65 | a | 24.65 | a | ----- | z | 49.41 | b | 49.73 | a | 59.87 | 69.40 | a | 66.47 | b | 63.03 | 47.42 | a | 36.64 | b | 16.66 | c | 46.36 | a | ||
1991 | 25.50 | a | 38.54 | a | 36.18 | 40.05 | a | 47.83 | b | 56.87 | 69.40 | 69.95 | 58.43 | b | 46.64 | c | 33.61 | c | 28.83 | g | 47.55 | a | ||||
1992 | 28.57 | c | 36.81 | b | 41.00 | d | 48.50 | 56.92 | 61.36 | a | 64.59 | c | 67.69 | 57.30 | 51.20 | a | 30.59 | c | 21.29 | c | 47.15 | |||||
1993 | 18.70 | a | 22.25 | f | 37.60 | a | 41.62 | a | 53.89 | d | 54.98 | f | 59.02 | c | 62.13 | a | 56.55 | b | 46.40 | b | 29.09 | a | 26.83 | b | 43.18 | b |
1994 | 31.50 | b | 27.31 | a | 39.16 | b | 45.13 | c | 53.60 | 62.03 | a | 69.89 | d | 69.19 | d | 59.83 | c | 44.45 | 27.07 | 29.73 | a | 46.57 | ||||
1995 | 28.77 | 38.13 | b | 36.72 | b | 42.71 | a | 48.33 | a | 56.48 | a | 67.05 | 67.12 | a | 59.28 | a | 45.02 | a | 41.52 | b | 32.45 | c | 46.96 | |||
1996 | 29.30 | a | 31.63 | b | 38.17 | a | 44.23 | b | 49.88 | b | 62.30 | 69.98 | 67.90 | 55.48 | 45.53 | 36.78 | a | 28.16 | b | 46.61 | ||||||
1997 | 26.97 | 29.58 | b | 39.21 | 41.16 | a | 54.66 | 60.81 | c | 66.57 | a | 69.05 | 60.86 | b | 45.07 | a | 36.71 | b | 26.00 | 46.39 | ||||||
1998 | 32.66 | b | 30.67 | b | ----- | z | 41.48 | 50.38 | a | 55.65 | 72.48 | 70.24 | 62.34 | a | 44.05 | b | 37.32 | 25.89 | c | 47.56 | a | |||||
1999 | 30.82 | 31.36 | c | 37.02 | a | 38.77 | 48.81 | d | 60.69 | f | 69.88 | g | 70.10 | k | 56.93 | h | 49.74 | h | 40.56 | l | 25.98 | h | 37.36 | g | ||
2000 | 29.85 | g | 35.33 | e | 36.02 | e | 48.15 | d | 55.48 | f | 63.38 | 70.68 | 70.72 | b | 57.50 | f | 45.75 | i | 26.83 | l | 29.33 | b | 50.52 | e | ||
2001 | 25.60 | f | 29.16 | c | 39.72 | d | 41.88 | b | 55.48 | h | 61.15 | j | 70.52 | i | 72.14 | i | 60.75 | h | 47.57 | h | 37.66 | k | 24.94 | e | 33.92 | h |
2002 | 25.70 | f | 24.32 | h | 34.81 | j | 45.20 | c | 50.09 | d | 63.22 | 73.98 | a | 64.78 | f | 58.73 | f | 41.07 | h | 35.02 | d | 30.90 | e | 49.74 | f | |
2003 | 34.76 | f | 27.31 | j | 37.94 | g | 42.00 | g | 53.39 | q | 63.63 | o | 74.67 | k | 71.29 | g | 61.20 | j | 51.73 | c | 28.83 | g | 31.73 | k | 51.73 | k |
2004 | 26.21 | l | 25.69 | h | 40.82 | f | 45.43 | i | 52.06 | g | 61.87 | c | 69.76 | h | 67.62 | g | 56.35 | d | 48.31 | m | 34.85 | j | 29.22 | o | 59.11 | j |
2005 | 24.75 | m | 25.58 | j | 37.26 | h | 43.08 | l | 52.81 | g | 55.70 | b | 71.73 | p | 67.88 | g | 57.48 | c | 46.11 | d | 35.77 | b | 25.79 | c | 44.17 | g |
2006 | 28.59 | i | 27.60 | b | 33.59 | d | 44.39 | b | 51.75 | y | 63.62 | 71.91 | t | 66.78 | a | 55.93 | a | 46.37 | e | ----- | z | 26.91 | b | 45.65 | d | |
2007 | 21.81 | e | 35.52 | 39.75 | e | 44.92 | d | 55.48 | 64.48 | a | 74.33 | b | 66.69 | e | 54.61 | k | 41.94 | e | 33.12 | f | 20.60 | f | 49.44 | c | ||
2008 | 18.73 | k | 28.79 | l | 36.57 | a | 41.03 | a | 51.67 | y | 57.03 | 67.40 | b | 66.13 | 54.88 | a | 45.21 | 39.54 | d | 22.68 | 47.83 | c | ||||
2009 | 27.47 | o | 28.79 | 32.52 | a | 39.70 | 51.83 | k | 56.04 | b | 65.62 | g | 62.00 | e | 58.27 | b | 39.37 | 32.34 | a | 18.03 | 40.78 | c | ||||
2010 | 27.24 | d | 26.84 | 30.74 | b | 35.85 | q | 40.67 | d | 54.72 | u | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 31.37 | h | |
2011 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 69.97 | ----- | z | ----- | z | ----- | z | ----- | z | 31.94 | w | 69.97 | k | |
2012 | 28.50 | l | 28.25 | e | 37.24 | 45.81 | a | 52.12 | b | 61.59 | a | 69.71 | j | 68.63 | 58.40 | 44.89 | 37.88 | 26.67 | a | 46.15 | b | |||||
2013 | 14.12 | f | 27.80 | 36.13 | d | 40.32 | p | 49.59 | c | 61.30 | 71.77 | a | 66.91 | t | 57.64 | b | 41.25 | a | 34.67 | 23.61 | 44.86 | c | ||||
2014 | 30.63 | 32.91 | 37.21 | 41.47 | a | 51.42 | a | 57.62 | a | 69.70 | h | 64.74 | 54.04 | b | 45.29 | 32.66 | a | 30.13 | 43.46 | a | ||||||
2015 | 31.02 | 35.55 | 39.42 | 41.80 | c | 53.85 | d | 64.17 | 67.83 | h | 65.25 | a | 58.45 | a | 49.71 | 29.22 | a | 26.43 | b | 44.99 | a | |||||
2016 | 21.43 | a | 33.07 | 38.33 | b | 44.67 | 50.34 | 64.19 | d | 66.81 | 64.26 | 55.69 | c | 48.43 | d | 38.83 | 23.48 | 45.79 | ||||||||
2017 | 18.13 | 32.77 | 41.32 | 42.33 | d | 50.62 | a | 63.00 | 71.65 | 67.79 | 56.67 | 42.73 | a | 36.90 | a | 25.24 | 45.76 | |||||||||
2018 | 33.52 | 27.07 | 34.40 | 42.15 | 52.94 | 60.65 | 70.94 | 66.18 | 57.17 | 44.34 | 30.93 | 22.47 | 45.23 | |||||||||||||
2019 | 24.35 | 26.20 | 34.73 | a | 45.05 | 48.11 | 58.25 | 68.16 | 66.87 | 58.08 | 39.29 | 35.30 | b | 26.35 | 44.23 | |||||||||||
2020 | 26.55 | l | 28.30 | d | 35.98 | 41.17 | 52.27 | 57.93 | 66.42 | 68.76 | 58.33 | 45.02 | 33.90 | 24.74 | 46.62 | a | ||||||||||
2021 | 27.81 | 30.02 | 33.82 | a | 39.52 | 50.81 | 66.37 | 72.66 | 64.69 | 56.82 | 46.58 | 39.00 | a | 27.90 | 46.33 | |||||||||||
2022 | 25.98 | 28.88 | 39.00 | 38.59 | a | 48.13 | 58.43 | 70.95 | 70.55 | 62.20 | 46.15 | a | 26.33 | 25.56 | 45.06 | |||||||||||
2023 | 23.26 | 23.45 | 27.73 | 38.53 | 53.23 | a | 55.59 | a | 70.55 | 67.69 | 57.82 | 47.06 | 33.78 | 31.15 | 44.15 | |||||||||||
2024 | 29.06 | 31.83 | 35.58 | 43.95 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 35.11 | h | ||||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 26.48 | 30.49 | 36.73 | 43.38 | 51.14 | 60.77 | 69.17 | 67.00 | 57.80 | 45.98 | 34.67 | 26.16 | 46.02 | |||||||||||||
S.D. | 4.26 | 4.09 | 2.97 | 3.18 | 3.13 | 3.27 | 3.35 | 2.35 | 2.32 | 3.28 | 3.72 | 3.62 | 0.97 | |||||||||||||
SKEW | -0.29 | 0.16 | -0.98 | 0.40 | -0.98 | -0.16 | -0.97 | -0.32 | 0.36 | 0.17 | -0.56 | -0.59 | -0.76 | |||||||||||||
MAX | 33.52 | 38.54 | 41.32 | 50.28 | 56.92 | 66.37 | 74.33 | 70.72 | 63.03 | 53.74 | 41.52 | 32.45 | 47.15 | |||||||||||||
MIN | 18.13 | 22.48 | 27.73 | 38.53 | 40.67 | 55.59 | 59.02 | 62.00 | 52.84 | 39.29 | 26.33 | 16.66 | 44.15 | |||||||||||||
YRS | 25 | 31 | 31 | 33 | 29 | 32 | 27 | 29 | 30 | 31 | 29 | 31 | 15 |