YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1988 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1989 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1990 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1991 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1992 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1993 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1994 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1995 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1996 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1997 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1998 | ----- | z | ----- | z | ----- | z | ----- | z | 55.50 | a | 63.45 | a | 72.87 | a | 71.78 | d | 68.21 | f | 54.26 | 43.37 | 36.00 | a | 56.75 | e | ||
1999 | 37.43 | a | 38.44 | a | 43.90 | 47.07 | a | 57.93 | c | 66.04 | c | 72.24 | b | 70.61 | 67.00 | c | 55.19 | 45.66 | a | 34.33 | a | 52.99 | ||||
2000 | 37.86 | c | 41.00 | 43.42 | 53.83 | a | 62.83 | a | 70.45 | a | 74.07 | b | 71.10 | a | 68.30 | 55.06 | 36.97 | a | 37.13 | a | 54.33 | |||||
2001 | 36.00 | a | 36.69 | b | 44.30 | a | 50.15 | c | 62.03 | b | 69.53 | 72.81 | 70.90 | 67.64 | b | 55.23 | 47.23 | 32.36 | c | 53.74 | ||||||
2002 | 36.83 | h | 38.12 | c | 40.04 | f | 54.30 | 57.23 | 70.87 | 73.42 | 71.74 | 67.34 | a | 53.81 | 43.79 | a | 35.59 | b | 56.62 | b | ||||||
2003 | 39.54 | c | 41.12 | b | 44.61 | 48.63 | 59.87 | a | 68.67 | c | 75.03 | a | 72.25 | c | 67.73 | 59.40 | a | 43.00 | a | 36.27 | a | 54.68 | ||||
2004 | 38.39 | c | 36.41 | g | 50.80 | a | 51.25 | b | 60.87 | 66.89 | b | 71.90 | b | 70.74 | 65.52 | a | 54.77 | a | 41.67 | 35.88 | f | 57.28 | b | |||
2005 | 39.90 | 42.96 | 45.13 | 50.79 | a | 60.66 | b | 68.67 | 75.10 | a | 70.81 | 67.67 | 56.59 | d | 45.21 | a | 36.73 | a | 55.02 | |||||||
2006 | 35.10 | 38.93 | a | 43.52 | 51.27 | 62.10 | b | 72.34 | a | 73.93 | b | 71.10 | a | 63.79 | b | 54.32 | 45.23 | 34.35 | 53.83 | |||||||
2007 | 33.55 | 39.29 | 46.52 | 52.57 | 60.18 | c | 70.10 | 74.97 | 72.71 | 67.40 | 54.50 | a | 49.57 | 35.27 | a | 54.72 | ||||||||||
2008 | 36.33 | a | 39.59 | 44.40 | a | 50.53 | 56.93 | a | 70.73 | 71.93 | a | 71.48 | 66.23 | 54.43 | c | 45.97 | a | 38.47 | a | 53.92 | ||||||
2009 | 39.45 | 40.64 | 46.61 | 49.97 | 62.74 | 66.80 | 75.13 | 72.82 | c | 67.33 | 54.43 | a | 45.47 | 35.87 | a | 54.77 | ||||||||||
2010 | 37.19 | 39.36 | 42.03 | 49.00 | l | ----- | z | 68.15 | d | 75.35 | 72.77 | 68.13 | 55.60 | a | 41.60 | 40.63 | a | 54.08 | b | |||||||
2011 | 33.50 | a | 33.50 | 45.87 | 53.83 | a | 57.16 | 67.80 | 72.60 | a | 75.19 | 67.33 | 55.27 | a | 43.83 | 34.13 | a | 53.34 | ||||||||
2012 | 37.10 | 39.24 | 42.35 | 53.28 | a | 60.23 | a | 69.82 | b | 72.58 | 73.07 | a | 66.87 | 55.00 | 46.68 | e | 37.77 | a | 54.50 | |||||||
2013 | 32.58 | 34.86 | 48.23 | 53.24 | a | 60.27 | e | 71.13 | 73.35 | 72.10 | a | 66.34 | a | 51.52 | 46.62 | a | 36.73 | a | 53.91 | |||||||
2014 | 38.34 | b | 43.07 | 47.53 | a | 51.12 | d | 59.77 | 71.90 | 73.52 | b | 70.93 | b | 68.17 | a | 57.87 | a | 44.29 | b | 38.90 | a | 55.45 | ||||
2015 | 39.17 | a | 45.32 | 48.90 | 49.97 | 55.29 | 70.53 | 72.36 | i | 72.66 | b | 68.29 | b | 58.50 | c | 39.84 | e | 36.36 | c | 53.17 | a | |||||
2016 | 36.35 | 41.21 | e | 46.04 | d | 52.00 | d | 56.67 | a | 70.97 | a | 75.60 | k | 70.83 | b | 64.89 | c | 58.10 | a | 46.46 | b | 41.71 | g | 54.35 | b | |
2017 | 37.19 | d | 43.21 | 49.03 | a | 51.45 | a | 57.36 | f | 70.82 | h | 72.25 | g | 70.30 | a | 65.68 | b | 57.87 | a | 50.89 | b | 40.10 | b | 51.75 | c | |
2018 | 39.55 | 40.40 | c | 46.03 | 53.44 | c | 57.93 | a | 68.25 | b | 73.34 | b | 72.43 | c | 68.45 | a | 54.81 | 41.63 | 38.55 | 54.57 | ||||||
2019 | 36.77 | 37.76 | c | 43.53 | a | 51.13 | 52.94 | 64.33 | 73.87 | 72.33 | a | 67.27 | 52.97 | 47.30 | 37.39 | 53.13 | ||||||||||
2020 | 36.06 | 37.45 | 43.10 | 49.73 | 60.17 | b | 67.87 | 76.81 | 75.94 | 67.07 | 55.97 | a | 45.50 | 34.48 | 54.18 | |||||||||||
2021 | 34.81 | 37.82 | 41.55 | 53.48 | e | 58.18 | c | 71.76 | a | 71.39 | 71.21 | l | 66.40 | 50.53 | a | 45.60 | 38.79 | b | 51.85 | a | ||||||
2022 | 34.00 | 33.41 | a | 40.38 | b | 49.97 | 56.48 | 68.70 | 72.10 | 71.07 | b | 67.00 | a | 53.93 | a | 37.93 | b | 36.90 | 51.82 | |||||||
2023 | 35.03 | 35.96 | 42.52 | 47.00 | b | 57.39 | c | 62.97 | 75.77 | 71.90 | a | 66.50 | 56.58 | 46.80 | 38.32 | f | 54.40 | a | ||||||||
2024 | 36.30 | a | 41.07 | 43.20 | f | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 38.68 | j | |
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 36.70 | 39.22 | 45.01 | 51.25 | 58.81 | 68.75 | 73.66 | 71.98 | 66.97 | 55.25 | 44.54 | 36.66 | 54.05 | |||||||||||||
S.D. | 2.07 | 2.97 | 2.62 | 2.03 | 2.56 | 2.57 | 1.43 | 1.35 | 1.13 | 2.03 | 3.22 | 2.03 | 0.88 | |||||||||||||
SKEW | -0.21 | -0.16 | 0.38 | -0.41 | -0.26 | -0.76 | 0.39 | 1.40 | -1.05 | -0.04 | -0.54 | 0.02 | -0.82 | |||||||||||||
MAX | 39.90 | 45.32 | 50.80 | 54.30 | 62.83 | 72.34 | 76.81 | 75.94 | 68.45 | 59.40 | 50.89 | 40.63 | 55.45 | |||||||||||||
MIN | 32.58 | 33.41 | 40.38 | 47.00 | 52.94 | 62.97 | 71.39 | 70.30 | 63.79 | 50.53 | 36.97 | 32.36 | 51.82 | |||||||||||||
YRS | 25 | 25 | 24 | 24 | 24 | 25 | 23 | 25 | 25 | 26 | 26 | 23 | 17 |