YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1988 | ----- | z | ----- | z | ----- | z | ----- | z | 53.14 | c | 59.96 | d | 70.56 | m | 68.16 | f | 59.69 | d | 55.66 | 43.20 | e | 28.65 | e | 50.05 | f | |
1989 | 26.34 | f | 31.89 | 42.88 | c | 51.04 | c | 52.00 | d | 60.80 | e | 70.12 | a | 65.20 | a | 58.92 | 48.89 | 40.97 | 33.17 | b | 50.53 | a | ||||
1990 | 29.59 | b | 27.50 | 41.89 | 48.62 | a | 50.71 | 62.61 | b | 68.42 | e | 65.34 | b | 60.52 | e | 53.38 | a | 40.11 | h | 30.05 | l | 50.86 | b | |||
1991 | 31.15 | h | 40.48 | d | 32.30 | d | 41.94 | e | ----- | z | 58.97 | a | 69.68 | 67.96 | f | 61.38 | d | 53.20 | d | 42.50 | g | 30.44 | f | 51.14 | e | |
1992 | 24.25 | c | 35.34 | d | 40.69 | b | 51.38 | d | 58.15 | a | 59.56 | d | 65.46 | e | 67.77 | g | 61.79 | b | 53.82 | c | 37.34 | e | 25.71 | e | 46.68 | a |
1993 | 24.68 | k | 26.20 | e | 37.96 | c | 47.22 | c | 54.32 | f | 58.50 | h | 66.29 | c | 66.23 | e | ----- | z | 46.81 | o | 37.24 | g | 29.41 | h | 48.78 | g |
1994 | 33.12 | b | 30.65 | b | 42.77 | c | 46.82 | b | 53.25 | a | 64.82 | e | 71.10 | e | 69.88 | b | 60.34 | b | 47.63 | 31.34 | e | 30.29 | b | 48.50 | ||
1995 | 29.57 | a | 36.75 | 35.62 | b | 43.32 | 48.38 | e | 56.52 | a | 66.00 | a | 67.41 | c | 62.27 | b | 52.72 | a | 47.00 | c | 34.70 | c | 48.35 | |||
1996 | 36.13 | d | 34.91 | a | 38.50 | c | 46.18 | e | 53.63 | d | 61.71 | b | 69.95 | a | 67.36 | c | 59.63 | d | 50.00 | 39.00 | a | 35.92 | e | 49.41 | ||
1997 | 29.41 | c | 33.59 | a | 45.00 | b | 45.31 | f | 56.93 | b | 60.30 | b | 64.71 | b | 66.85 | 60.31 | f | 49.60 | a | ----- | z | 27.67 | e | 48.23 | c | |
1998 | 31.89 | d | 28.05 | f | 35.71 | e | 40.75 | 46.39 | c | ----- | z | 68.08 | 69.23 | c | 58.14 | b | 46.73 | e | 40.02 | g | 30.58 | f | 49.62 | d | ||
1999 | 33.36 | b | 33.08 | d | ----- | z | 38.12 | f | 52.83 | a | 61.94 | d | 67.78 | b | 64.57 | c | 60.53 | a | 54.18 | 45.24 | a | 34.80 | c | 50.83 | b | |
2000 | 35.91 | b | 35.52 | 40.13 | 47.98 | 57.13 | 64.32 | 67.42 | a | 67.50 | b | 59.98 | a | 49.33 | a | 36.35 | c | 36.09 | b | 49.80 | ||||||
2001 | 27.35 | 28.04 | 41.32 | a | 43.18 | 59.17 | a | 64.65 | 67.06 | 69.82 | 63.25 | b | 55.06 | 41.95 | b | 30.89 | d | 49.31 | ||||||||
2002 | 30.97 | a | 37.30 | 37.52 | a | 46.98 | a | 51.88 | a | 64.77 | b | 71.43 | a | 66.68 | 61.25 | b | 49.23 | a | 40.38 | 31.54 | e | 49.16 | ||||
2003 | 30.13 | 31.80 | a | 41.00 | 41.59 | c | 53.50 | a | 64.60 | 70.89 | 67.43 | d | 62.38 | d | 56.09 | b | 36.98 | 32.75 | a | 49.09 | ||||||
2004 | 32.13 | d | 29.82 | a | 44.74 | d | 46.77 | f | 54.32 | f | 63.03 | a | 68.64 | c | 65.35 | 59.76 | c | 46.97 | b | 36.28 | a | 32.11 | 47.88 | b | ||
2005 | 23.64 | c | 30.21 | 36.56 | 42.46 | b | 53.45 | a | 57.95 | 71.39 | 67.00 | 56.57 | 50.43 | c | 42.58 | d | 34.33 | d | 47.21 | |||||||
2006 | 27.02 | d | 32.34 | f | 33.69 | g | 43.23 | 55.24 | 64.55 | 71.11 | 65.50 | 59.27 | 47.57 | a | 41.94 | e | 31.23 | a | 50.67 | b | ||||||
2007 | 28.04 | d | 35.35 | b | 45.63 | e | 47.10 | 55.94 | 64.36 | b | 72.34 | 69.13 | a | 58.93 | b | 48.98 | d | 43.93 | g | 31.33 | g | 52.58 | b | |||
2008 | 26.50 | d | 27.71 | a | 37.54 | c | 46.50 | b | 51.40 | 62.47 | 70.77 | 70.12 | a | 61.10 | 49.36 | b | 42.17 | a | 30.35 | a | 48.00 | |||||
2009 | 33.43 | d | 32.44 | c | 38.11 | 44.00 | 57.77 | 58.12 | 69.69 | 65.82 | 63.43 | 47.10 | 40.93 | 25.98 | e | 48.07 | ||||||||||
2010 | 28.79 | 31.59 | 36.85 | 40.52 | 46.56 | 61.77 | 69.52 | b | 66.69 | 61.52 | 50.13 | 38.30 | c | 35.64 | f | 48.39 | a | |||||||||
2011 | 27.28 | b | 29.73 | 37.05 | c | 43.70 | 47.60 | a | 59.04 | c | 67.67 | a | 69.03 | a | 63.45 | 51.77 | 38.20 | 30.18 | a | 47.06 | ||||||
2012 | 35.65 | a | 33.98 | 39.74 | 49.63 | 55.47 | 63.65 | 70.47 | a | 70.69 | 64.42 | 52.95 | 43.07 | 33.16 | 51.07 | |||||||||||
2013 | 21.73 | 32.88 | 43.81 | 47.35 | 54.24 | 65.20 | 70.74 | 66.97 | 59.72 | 46.63 | 40.98 | 30.68 | 48.41 | |||||||||||||
2014 | 36.77 | 38.54 | 40.84 | 46.97 | 54.60 | 63.90 | 70.38 | a | 65.92 | 62.73 | 55.02 | 43.90 | 35.47 | a | 51.25 | |||||||||||
2015 | 37.60 | 42.80 | 46.00 | 46.28 | 50.08 | 65.42 | 65.39 | 68.63 | 63.62 | 53.31 | 36.27 | 31.52 | 50.58 | |||||||||||||
2016 | 32.82 | 39.48 | 43.52 | 48.13 | 50.98 | 64.91 | a | 69.55 | 68.89 | 60.00 | 51.37 | 42.48 | 34.53 | 50.56 | ||||||||||||
2017 | 25.85 | 34.54 | 42.94 | 45.75 | 54.81 | 64.52 | 71.32 | 69.15 | 58.35 | 49.39 | 46.08 | 35.03 | 49.81 | |||||||||||||
2018 | 38.32 | a | 34.11 | 36.18 | 48.11 | b | 53.52 | a | 65.17 | 71.82 | 68.73 | 62.45 | 48.55 | 41.37 | 31.97 | 50.02 | ||||||||||
2019 | 32.79 | 27.12 | 36.05 | 48.65 | 49.13 | 61.42 | 68.16 | 69.44 | 59.68 | 46.89 | 40.75 | 32.26 | 47.69 | |||||||||||||
2020 | 35.53 | 37.16 | 36.65 | 46.32 | 55.45 | 61.12 | 69.71 | 68.65 | 63.13 | 53.47 | 39.63 | 32.87 | 49.97 | |||||||||||||
2021 | 32.03 | 31.93 | 37.06 | 47.38 | 54.53 | a | 67.47 | 72.26 | 69.34 | 63.32 | 46.47 | 44.62 | a | 31.68 | 49.84 | |||||||||||
2022 | 30.97 | a | 33.32 | 41.55 | b | 45.86 | e | 51.34 | c | 62.22 | a | 71.77 | 69.59 | d | 63.82 | b | 52.02 | 31.59 | g | 29.23 | a | 50.15 | a | |||
2023 | 22.95 | a | 21.98 | b | 28.06 | 41.48 | a | 53.40 | 57.81 | a | 71.94 | 67.05 | a | 60.08 | 50.35 | 39.69 | a | 36.32 | 45.93 | |||||||
2024 | 33.81 | 31.16 | 37.61 | 46.21 | f | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 34.19 | i | |||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 30.77 | 32.91 | 39.41 | 45.83 | 53.11 | 62.34 | 69.40 | 67.73 | 61.04 | 50.69 | 40.65 | 32.04 | 49.05 | |||||||||||||
S.D. | 4.39 | 4.37 | 3.94 | 2.90 | 3.22 | 2.70 | 2.14 | 1.69 | 1.92 | 2.90 | 3.42 | 2.81 | 1.37 | |||||||||||||
SKEW | -0.24 | -0.06 | -0.47 | -0.19 | -0.32 | -0.39 | -0.60 | -0.12 | -0.11 | 0.20 | -0.47 | -0.47 | -0.39 | |||||||||||||
MAX | 38.32 | 42.80 | 46.00 | 51.38 | 59.17 | 67.47 | 72.34 | 70.69 | 64.42 | 56.09 | 47.00 | 36.32 | 51.25 | |||||||||||||
MIN | 21.73 | 21.98 | 28.06 | 40.52 | 46.39 | 56.52 | 64.71 | 64.57 | 56.57 | 46.47 | 31.34 | 25.71 | 45.93 | |||||||||||||
YRS | 33 | 34 | 34 | 32 | 33 | 34 | 35 | 33 | 34 | 35 | 29 | 30 | 22 |