YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1988 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 68.56 | f | 72.28 | a | 67.69 | 57.84 | a | 53.34 | 37.18 | 24.29 | b | 52.11 | f | |||
1989 | 18.43 | b | 26.13 | a | 42.29 | 51.07 | 54.50 | 61.32 | 72.35 | a | 67.50 | 60.17 | 48.42 | 37.42 | 27.85 | 47.29 | ||||||||||
1990 | 28.55 | 25.98 | c | 40.32 | 48.69 | a | 52.35 | a | 64.82 | b | 71.92 | a | 67.89 | 64.03 | a | 48.22 | b | 35.59 | b | 18.00 | b | 47.20 | ||||
1991 | 21.87 | 33.21 | 35.60 | a | 42.71 | a | 50.85 | a | 61.54 | b | 70.02 | 68.92 | a | 59.40 | a | 49.02 | 35.02 | a | 27.83 | a | 46.33 | |||||
1992 | 27.02 | b | 35.09 | 41.20 | a | 51.77 | b | 57.12 | a | 62.88 | 68.21 | b | 69.05 | 60.20 | 51.40 | a | 30.84 | a | 23.66 | 48.20 | ||||||
1993 | 26.57 | c | 29.50 | a | 40.10 | b | 44.87 | 55.27 | a | 59.40 | a | 67.65 | 66.63 | 57.38 | a | 46.04 | c | 29.60 | f | 24.67 | a | 47.10 | a | |||
1994 | 28.63 | e | 26.84 | 41.03 | a | 45.92 | 57.04 | c | 67.50 | 73.38 | a | 71.18 | 62.50 | a | 46.55 | b | 29.65 | 29.70 | a | 48.33 | ||||||
1995 | 30.33 | d | 39.30 | c | 39.58 | a | 41.50 | c | 48.64 | b | 56.61 | c | 67.35 | a | 70.03 | 60.45 | 47.09 | d | 40.89 | g | 33.30 | f | 50.09 | b | ||
1996 | 31.25 | i | 35.07 | b | 37.79 | b | 44.33 | a | 55.03 | a | 65.65 | c | 72.32 | 69.21 | 57.55 | a | 45.08 | a | 38.26 | a | 29.63 | a | 49.99 | a | ||
1997 | 26.72 | a | 29.87 | b | 41.55 | b | 40.25 | b | 55.03 | b | 60.92 | l | 68.13 | l | 69.89 | 62.11 | b | ----- | z | ----- | z | 26.04 | c | 43.93 | d | |
1998 | 32.38 | c | 33.93 | e | 39.13 | 42.86 | b | 52.71 | 58.29 | a | 73.45 | 70.21 | 62.00 | a | 47.83 | b | 41.58 | d | 29.62 | e | 48.66 | |||||
1999 | 33.61 | c | 34.55 | g | 42.93 | b | 42.87 | c | 53.18 | c | 63.26 | a | 70.57 | b | 69.45 | a | 59.97 | a | ----- | z | 41.25 | n | 29.28 | d | 51.68 | c |
2000 | 30.73 | e | 35.40 | d | 39.93 | a | 47.94 | c | 57.36 | b | 65.18 | b | 72.35 | a | 71.60 | b | 61.25 | b | 48.62 | a | 28.94 | c | 31.41 | d | 49.23 | |
2001 | 27.70 | a | 33.83 | a | 42.35 | a | 46.85 | d | 58.23 | a | 66.26 | a | 69.76 | 71.41 | c | 63.81 | a | 52.32 | 38.29 | a | 26.76 | b | 49.80 | |||
2002 | 26.74 | f | 29.30 | a | 35.15 | a | 49.95 | b | 54.97 | 68.74 | a | 74.50 | b | 69.75 | c | 59.82 | 46.48 | a | 35.79 | b | 29.62 | b | 50.37 | a | ||
2003 | 35.64 | f | 31.60 | c | 39.45 | a | 45.11 | b | 56.78 | b | 64.22 | 77.03 | 72.41 | b | 61.91 | a | ----- | z | 34.83 | a | 30.33 | h | 53.70 | c | ||
2004 | 24.29 | b | 26.74 | 44.63 | 48.88 | 55.77 | 65.02 | 71.03 | a | 67.82 | c | 60.84 | a | 49.90 | 38.03 | a | 30.98 | a | 48.66 | |||||||
2005 | 30.62 | a | 33.52 | a | 39.59 | b | 43.23 | j | 52.78 | f | 58.41 | h | 74.07 | b | 66.18 | a | 57.72 | a | 49.21 | c | 41.33 | d | 29.50 | a | 46.86 | c |
2006 | 31.26 | f | 29.83 | d | 34.15 | a | 46.53 | a | 55.47 | b | 65.04 | e | 71.57 | c | 66.59 | c | 55.50 | a | 46.37 | a | 38.73 | f | 22.58 | g | 52.34 | c |
2007 | 19.21 | e | 33.50 | b | 40.58 | a | 46.57 | h | 55.02 | d | 63.37 | g | 72.52 | f | 69.95 | i | 58.87 | g | 46.33 | h | 41.32 | e | 24.71 | g | 37.93 | g |
2008 | 22.95 | j | 29.20 | g | 36.12 | f | 40.63 | d | 49.02 | f | 61.38 | f | 70.56 | d | 69.40 | g | 58.40 | d | 46.78 | a | 39.03 | 25.00 | f | 51.08 | g | |
2009 | 29.34 | i | 31.85 | a | 37.61 | d | 43.45 | 56.77 | 59.55 | 70.16 | 66.74 | 63.00 | j | 44.83 | d | 36.42 | 21.03 | 46.84 | b | |||||||
2010 | 27.68 | 31.02 | h | 38.44 | d | 42.92 | 49.18 | 62.59 | a | 70.58 | 65.71 | 60.14 | a | 48.41 | b | 32.37 | 32.92 | 48.27 | a | |||||||
2011 | 25.69 | 28.05 | 38.23 | 42.07 | 48.27 | 59.42 | d | 68.08 | 68.29 | 59.33 | 47.30 | a | 34.87 | 23.44 | 45.25 | |||||||||||
2012 | 30.32 | 29.81 | 39.65 | 46.17 | 55.88 | a | 65.35 | d | 68.87 | a | 69.18 | a | 59.65 | 48.74 | 39.73 | 28.31 | 48.47 | |||||||||
2013 | 18.55 | 26.41 | 39.77 | 42.02 | 52.03 | a | 65.57 | 71.02 | a | 67.47 | 59.30 | 44.19 | 36.50 | b | 23.05 | 45.49 | ||||||||||
2014 | 30.61 | 35.95 | 39.05 | 44.79 | a | 53.05 | 63.90 | 71.79 | 64.98 | 62.43 | 50.73 | 36.41 | b | 31.16 | 48.74 | |||||||||||
2015 | 32.50 | 38.33 | a | 41.90 | 44.72 | 51.45 | 65.57 | 67.60 | 68.78 | a | 63.32 | 52.40 | 34.02 | a | 25.52 | 48.84 | ||||||||||
2016 | 26.16 | 31.55 | 41.98 | 45.02 | a | 50.90 | 67.48 | 71.34 | 67.23 | 58.45 | 51.79 | 38.95 | 26.44 | 48.11 | ||||||||||||
2017 | 26.16 | 37.27 | 42.29 | 43.43 | 52.34 | 66.60 | 72.18 | 68.29 | 56.92 | 46.06 | 42.10 | 29.60 | 48.60 | |||||||||||||
2018 | 31.92 | 31.07 | 35.98 | d | 47.07 | 54.11 | 66.60 | 72.71 | 70.15 | 62.82 | 45.34 | 32.60 | a | 27.06 | 48.12 | |||||||||||
2019 | 25.44 | 26.23 | 37.28 | a | 46.43 | 48.02 | 60.73 | 69.47 | 69.37 | 61.12 | 40.76 | 36.82 | 29.19 | 45.90 | ||||||||||||
2020 | 29.48 | 30.33 | 38.79 | 44.38 | 55.84 | 63.08 | 69.48 | 72.29 | 60.17 | 49.50 | 36.50 | 24.56 | 47.87 | |||||||||||||
2021 | 27.23 | 30.91 | 35.79 | 45.18 | 54.48 | 68.73 | 72.15 | 68.02 | 61.53 | 45.03 | 41.08 | 30.55 | 48.39 | |||||||||||||
2022 | 26.85 | 26.91 | 37.40 | 43.97 | 53.32 | 65.02 | 72.89 | 68.82 | 63.98 | 48.37 | 30.43 | 26.74 | 47.06 | |||||||||||||
2023 | 27.23 | 23.16 | 31.87 | 41.78 | 53.84 | 59.05 | 72.18 | 66.73 | 59.52 | 48.29 | 37.18 | 30.11 | 45.91 | |||||||||||||
2024 | 27.85 | 33.57 | 36.76 | 42.08 | l | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 32.73 | i | |||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 27.34 | 31.21 | 39.15 | 45.03 | 53.78 | 63.71 | 71.20 | 68.69 | 60.34 | 47.95 | 36.42 | 27.37 | 47.75 | |||||||||||||
S.D. | 3.91 | 3.97 | 2.74 | 2.88 | 2.74 | 3.17 | 2.16 | 1.85 | 2.14 | 2.72 | 3.55 | 3.36 | 1.27 | |||||||||||||
SKEW | -0.79 | 0.08 | -0.48 | 0.55 | -0.57 | -0.46 | 0.19 | 0.18 | -0.11 | -0.14 | -0.39 | -0.79 | -0.61 | |||||||||||||
MAX | 33.61 | 39.30 | 44.63 | 51.77 | 58.23 | 68.74 | 77.03 | 72.41 | 64.03 | 53.34 | 42.10 | 32.92 | 49.80 | |||||||||||||
MIN | 18.43 | 23.16 | 31.87 | 40.25 | 48.02 | 56.61 | 67.35 | 64.98 | 55.50 | 40.76 | 28.94 | 18.00 | 45.25 | |||||||||||||
YRS | 30 | 33 | 35 | 33 | 33 | 31 | 34 | 34 | 34 | 32 | 31 | 31 | 22 |