YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1989 | ----- | z | ----- | z | ----- | z | ----- | z | 59.90 | 66.47 | 78.65 | 71.52 | 66.17 | 53.13 | a | 37.17 | 24.57 | a | 57.20 | d | ||||||
1990 | 28.71 | 31.64 | 39.23 | 49.13 | 58.26 | 74.23 | 73.52 | 73.61 | 69.63 | 50.90 | 39.13 | 23.97 | 51.00 | |||||||||||||
1991 | 24.71 | 33.71 | 35.48 | 43.93 | 61.19 | 70.70 | 74.35 | 72.52 | 65.83 | 54.68 | 32.87 | 27.39 | 49.78 | |||||||||||||
1992 | 26.48 | 32.68 | a | 39.71 | 53.43 | 62.64 | c | 67.40 | 71.77 | ----- | z | 64.13 | 54.10 | b | 28.89 | c | 26.15 | d | 47.95 | a | ||||||
1993 | 28.31 | b | 29.85 | b | 39.08 | f | 43.93 | a | 59.61 | 68.34 | a | 75.33 | a | 71.71 | 62.83 | 49.90 | 33.29 | b | 26.48 | b | 49.96 | a | ||||
1994 | 28.24 | b | 30.63 | a | 41.75 | c | 48.17 | a | 65.74 | 75.03 | a | 75.20 | a | 76.17 | a | 66.90 | 53.83 | a | 38.86 | a | 31.65 | 52.68 | ||||
1995 | 30.50 | a | 39.52 | a | 42.71 | 46.76 | a | 54.50 | e | 66.66 | a | ----- | z | 76.83 | a | 64.97 | a | 54.39 | 42.17 | 31.74 | 50.07 | a | ||||
1996 | 27.40 | a | 36.10 | 39.03 | 48.96 | b | 65.52 | d | 72.03 | a | 77.68 | 75.32 | 62.73 | 55.03 | 37.19 | i | 31.13 | 53.72 | a | |||||||
1997 | 29.71 | 33.86 | 45.74 | 44.56 | c | 62.83 | y | 70.48 | g | 75.57 | a | 72.13 | 68.25 | b | 55.19 | 37.14 | b | 29.61 | 49.18 | b | ||||||
1998 | 32.97 | a | 33.46 | 40.39 | 46.19 | i | 65.44 | f | 67.77 | 76.39 | 72.71 | 71.21 | a | 54.24 | b | 42.07 | 34.47 | a | 52.57 | b | ||||||
1999 | 32.13 | a | 37.78 | a | 48.96 | c | 47.16 | e | 64.29 | q | 68.93 | b | 75.03 | 72.30 | a | 64.87 | 59.23 | 50.63 | 31.55 | 53.51 | a | |||||
2000 | 31.60 | a | 38.86 | 40.97 | 56.14 | a | 68.15 | k | 72.90 | 77.40 | a | 75.61 | 69.23 | 58.04 | c | 31.52 | a | 29.65 | 52.90 | a | ||||||
2001 | 31.16 | 36.00 | 40.57 | a | 53.16 | e | 62.81 | d | 74.27 | 76.70 | a | 73.58 | 68.62 | a | 57.13 | 45.33 | 30.48 | 54.15 | ||||||||
2002 | 29.77 | 31.59 | a | 39.13 | 57.10 | 62.31 | b | 76.83 | 79.73 | a | 74.74 | 65.80 | 51.35 | 36.90 | 30.84 | 53.01 | ||||||||||
2003 | 35.50 | a | 31.52 | a | 40.90 | a | 50.53 | 62.32 | 68.07 | 80.65 | 74.93 | b | 66.40 | 63.55 | 37.73 | 33.32 | 53.79 | |||||||||
2004 | 31.23 | 33.22 | b | 49.23 | 53.30 | 64.00 | a | 68.79 | a | 73.87 | 70.74 | 65.30 | 54.52 | 40.90 | 31.26 | 53.03 | ||||||||||
2005 | 35.60 | a | 35.96 | 39.21 | b | 51.54 | b | 63.72 | b | 68.63 | 78.71 | 72.70 | a | 69.17 | a | 56.76 | b | 40.14 | a | 27.48 | 53.30 | |||||
2006 | 30.48 | 32.70 | a | 39.71 | 57.30 | c | 64.86 | b | 75.81 | d | 77.65 | 74.13 | 61.46 | b | 51.76 | b | 41.23 | 32.34 | b | 53.29 | ||||||
2007 | 28.83 | a | 35.00 | 45.65 | 53.66 | a | 61.42 | 74.53 | 78.17 | g | 75.61 | 67.60 | 57.97 | 47.77 | 26.42 | 52.22 | a | |||||||||
2008 | 24.84 | 32.57 | a | 36.84 | 47.13 | 58.24 | f | 71.45 | a | 77.47 | a | 73.55 | 66.83 | 56.77 | 43.30 | 29.97 | 50.97 | a | ||||||||
2009 | 31.65 | 37.22 | a | 43.97 | 49.31 | a | 63.10 | a | 65.61 | b | 75.90 | 74.29 | 67.37 | 49.58 | 46.43 | 25.32 | 52.48 | |||||||||
2010 | 32.39 | 30.00 | 43.74 | 51.13 | 58.32 | 73.93 | 77.13 | 75.29 | 72.77 | 57.65 | 38.20 | 34.39 | 53.74 | |||||||||||||
2011 | 28.48 | 30.11 | 42.84 | 48.54 | b | 57.84 | 72.50 | 76.34 | b | 77.63 | d | 67.26 | c | 52.15 | d | 39.78 | c | 32.04 | d | 52.13 | ||||||
2012 | 35.41 | d | 33.93 | a | 50.52 | 58.21 | a | 65.77 | 78.47 | 76.63 | a | 77.24 | f | 67.06 | l | 55.83 | b | 46.90 | 29.86 | c | 53.15 | b | ||||
2013 | 27.00 | 30.82 | 40.14 | c | 47.47 | 59.26 | d | 75.52 | a | 76.37 | a | 73.74 | 66.31 | a | 53.20 | a | 42.00 | c | 28.66 | b | 51.71 | |||||
2014 | 30.18 | c | 32.23 | f | 42.53 | a | 48.25 | b | 60.20 | a | 71.66 | a | 78.40 | f | 70.41 | b | 70.33 | c | 57.76 | f | 40.68 | h | 30.27 | a | 52.98 | d |
2015 | 34.96 | c | 39.22 | e | 47.93 | a | 52.52 | a | 56.52 | b | 75.24 | a | 73.21 | c | 74.90 | a | 69.71 | b | 58.20 | a | 38.77 | d | 28.19 | d | 54.11 | |
2016 | 28.48 | f | 36.96 | b | 41.93 | d | 50.00 | 59.78 | h | 76.61 | b | 77.24 | b | 71.39 | 68.15 | d | 59.12 | g | 49.00 | d | 31.52 | f | 58.91 | d | ||
2017 | 27.77 | e | 40.33 | d | 49.53 | a | 52.97 | a | 60.10 | a | 74.82 | b | 77.73 | a | 72.48 | 67.54 | b | 57.38 | b | 47.54 | b | 35.76 | b | 55.33 | ||
2018 | 35.17 | b | 35.22 | a | 41.77 | a | 52.61 | b | 66.54 | e | 76.34 | a | 79.38 | b | 75.79 | b | 71.07 | b | 53.13 | a | 35.00 | d | 27.50 | g | 56.55 | a |
2019 | 29.75 | g | 32.58 | d | 39.89 | d | 51.46 | b | 55.87 | h | 68.96 | c | 77.39 | c | 76.32 | 70.67 | c | 49.70 | a | 39.79 | b | 27.46 | e | 53.42 | b | |
2020 | 29.04 | d | 31.60 | d | 43.71 | j | ----- | z | 70.83 | s | 73.25 | j | 77.21 | c | 77.70 | k | 67.72 | e | 58.04 | g | 43.45 | h | 28.91 | i | 51.39 | h |
2021 | 29.32 | c | 29.83 | d | 38.79 | g | 48.43 | g | 60.14 | j | 75.81 | c | 77.96 | e | 76.35 | e | 72.74 | g | 56.69 | e | 47.73 | d | 38.40 | k | 56.24 | e |
2022 | 30.47 | n | 32.09 | f | 42.27 | i | 48.95 | j | 62.90 | k | 73.29 | f | 77.23 | i | 73.62 | b | 71.40 | 54.81 | 37.63 | 28.97 | 53.29 | g | ||||
2023 | 27.71 | 29.78 | a | 32.90 | 47.21 | a | 64.74 | 66.28 | a | 77.45 | 74.52 | 68.33 | 56.52 | 43.13 | 32.00 | 51.71 | ||||||||||
2024 | 27.06 | 33.46 | a | 39.44 | f | 49.29 | m | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 30.26 | j | |
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 30.14 | 33.87 | 42.10 | 50.52 | 61.65 | 71.89 | 76.63 | 73.97 | 67.47 | 54.92 | 40.59 | 29.79 | 52.83 | |||||||||||||
S.D. | 3.03 | 3.09 | 4.20 | 3.85 | 3.16 | 3.76 | 1.97 | 1.87 | 2.66 | 3.08 | 5.31 | 2.95 | 1.36 | |||||||||||||
SKEW | 0.32 | 0.49 | 0.30 | 0.21 | -0.35 | -0.12 | -0.39 | -0.07 | -0.20 | 0.32 | -0.07 | -0.09 | -0.43 | |||||||||||||
MAX | 35.60 | 40.33 | 50.52 | 58.21 | 66.54 | 78.47 | 80.65 | 77.63 | 72.77 | 63.55 | 50.63 | 35.76 | 55.33 | |||||||||||||
MIN | 24.71 | 29.78 | 32.90 | 43.93 | 54.50 | 65.61 | 71.77 | 70.41 | 61.46 | 49.58 | 28.89 | 23.97 | 49.78 | |||||||||||||
YRS | 32 | 33 | 30 | 30 | 25 | 32 | 31 | 32 | 33 | 32 | 32 | 31 | 16 |