YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1980 | ----- | z | ----- | z | ----- | z | ----- | z | 50.13 | 59.80 | ----- | z | 65.32 | 57.40 | 48.65 | 38.87 | 36.58 | 50.96 | e | |||||||
1981 | 38.42 | 38.36 | 41.77 | 50.03 | 55.94 | 66.90 | 65.42 | 67.42 | 61.00 | 45.94 | 41.93 | 36.73 | a | 50.82 | ||||||||||||
1982 | 33.55 | 40.30 | a | 40.23 | 45.43 | 55.10 | 58.50 | 66.13 | 67.23 | 59.37 | 47.06 | 38.30 | 33.16 | 48.70 | ||||||||||||
1983 | 34.10 | 39.48 | a | 44.00 | 42.43 | 54.00 | 58.22 | g | 62.89 | c | 66.61 | 64.76 | a | 52.29 | 40.38 | f | 35.59 | i | 51.17 | c | ||||||
1984 | 33.90 | a | 33.59 | 39.97 | 42.20 | 57.00 | 61.73 | 71.26 | 69.28 | m | 63.04 | e | 47.23 | 35.63 | 31.39 | 46.99 | a | |||||||||
1985 | 30.23 | 31.89 | 35.03 | 46.57 | ----- | z | 61.04 | f | 69.29 | 63.16 | 54.40 | 47.19 | 35.17 | 28.87 | 44.18 | b | ||||||||||
1986 | 32.77 | a | 35.70 | a | 42.81 | 49.90 | j | 51.65 | 61.40 | 59.26 | 65.90 | 54.90 | 47.94 | 42.60 | 32.87 | a | 47.98 | a | ||||||||
1987 | 31.61 | 38.00 | 42.48 | b | 50.10 | 50.26 | 63.87 | 61.77 | 64.68 | 58.87 | 54.35 | 39.67 | 32.42 | 49.01 | ||||||||||||
1988 | 33.00 | 35.34 | 39.97 | 45.45 | a | 51.48 | 60.07 | 68.58 | 65.94 | 59.57 | 55.77 | 42.40 | 32.77 | 49.20 | ||||||||||||
1989 | 32.00 | 34.29 | 44.63 | a | 52.54 | d | 55.06 | 61.07 | 68.06 | 62.71 | 59.00 | a | 49.65 | n | 39.63 | 32.23 | 49.20 | a | ||||||||
1990 | ----- | z | 34.57 | 42.42 | 49.07 | 53.55 | 63.77 | 69.68 | 66.13 | 61.23 | 51.23 | 40.03 | 25.97 | b | 50.69 | a | ||||||||||
1991 | 32.84 | 41.79 | 37.13 | 46.32 | b | 47.97 | a | 58.30 | c | 67.23 | 66.10 | a | 62.97 | a | 55.54 | c | 42.21 | a | 34.67 | a | 49.42 | |||||
1992 | ----- | z | 42.64 | o | 44.88 | o | 50.43 | 59.17 | a | 59.73 | 65.93 | a | 69.71 | 61.10 | 52.67 | a | 40.50 | 33.13 | a | 54.71 | c | |||||
1993 | 34.55 | b | 38.61 | 47.03 | 50.76 | a | 56.77 | 60.90 | 66.52 | 67.10 | b | 60.30 | c | 54.38 | b | 40.13 | 31.90 | 50.75 | ||||||||
1994 | 34.10 | 36.79 | ----- | z | 52.87 | 54.58 | 65.97 | 72.35 | 70.48 | 62.76 | a | 50.29 | 34.07 | 26.68 | 50.99 | a | ||||||||||
1995 | 29.90 | a | 46.36 | 46.20 | a | 51.97 | 53.60 | a | 59.77 | 67.68 | 68.68 | 64.70 | 54.13 | 48.10 | 38.30 | a | 52.45 | |||||||||
1996 | 39.84 | 42.69 | 44.58 | 50.37 | 59.14 | b | 63.93 | 73.48 | 70.03 | 60.70 | 48.55 | 43.80 | 36.00 | 52.76 | ||||||||||||
1997 | 33.90 | 38.46 | 44.73 | a | 50.18 | b | 60.90 | a | 65.03 | 65.71 | 67.77 | a | 63.34 | a | 49.53 | a | 43.19 | c | 34.27 | a | 51.42 | |||||
1998 | 37.52 | 38.52 | c | 42.45 | 43.20 | j | 49.54 | c | 59.38 | q | 69.88 | f | 72.56 | f | 60.62 | d | 49.00 | 40.47 | 32.53 | p | 45.44 | e | ||||
1999 | 34.57 | c | 36.12 | c | 38.72 | b | 43.90 | a | 55.90 | 62.87 | 71.20 | a | 63.16 | 61.77 | 49.73 | a | 40.70 | 33.13 | 49.31 | |||||||
2000 | ----- | z | 40.41 | 43.45 | 51.27 | 53.74 | 64.00 | a | 67.58 | 68.13 | 60.23 | 49.39 | 38.40 | ----- | z | 53.66 | b | |||||||||
2001 | 33.93 | b | 35.89 | a | 44.71 | 46.10 | j | ----- | z | ----- | z | ----- | z | 71.13 | h | 64.37 | 55.68 | 45.07 | 34.65 | 44.90 | e | |||||
2002 | 32.94 | 37.50 | 40.84 | 49.93 | 56.03 | 66.53 | 72.84 | 69.35 | 63.90 | 51.13 | 42.63 | 35.74 | 51.61 | |||||||||||||
2003 | 39.42 | 38.75 | 44.68 | 45.60 | 58.16 | 66.30 | 74.68 | 71.65 | 66.23 | 57.03 | 39.97 | 35.23 | 53.14 | |||||||||||||
2004 | 34.48 | 36.66 | 47.77 | 51.07 | 58.39 | 66.03 | 71.13 | 69.62 | e | 59.68 | h | 51.29 | 39.73 | 35.45 | 51.06 | a | ||||||||||
2005 | 38.19 | 41.07 | 44.10 | 44.21 | b | 57.03 | 61.07 | 73.55 | 69.90 | 57.90 | 51.52 | 42.60 | 36.65 | 51.48 | ||||||||||||
2006 | 35.52 | 36.21 | 39.00 | 45.87 | 59.52 | 69.00 | a | 75.60 | a | 67.13 | 61.27 | 50.37 | a | 43.24 | a | 31.55 | 51.19 | |||||||||
2007 | 30.60 | a | 39.14 | 46.94 | 52.17 | 58.10 | 65.90 | 72.73 | a | 72.43 | a | 60.80 | 50.77 | a | 43.63 | 33.55 | 52.23 | |||||||||
2008 | 34.48 | 37.81 | b | 43.16 | 47.87 | 55.97 | 66.53 | 72.35 | 72.03 | 64.60 | 52.10 | 44.67 | 34.39 | 52.16 | ||||||||||||
2009 | 35.35 | 37.39 | 41.13 | 47.13 | 62.58 | 61.50 | 73.68 | 68.52 | 64.17 | 48.68 | 39.27 | 32.68 | 51.01 | |||||||||||||
2010 | 35.32 | 40.07 | 42.23 | 45.07 | 52.23 | 65.50 | 72.48 | 68.23 | 61.67 | 53.94 | 39.17 | 39.06 | 51.25 | |||||||||||||
2011 | 33.97 | 34.21 | 42.61 | 48.30 | 51.87 | 61.93 | 69.97 | 69.52 | 64.57 | 51.06 | 38.97 | 31.16 | 49.85 | |||||||||||||
2012 | 34.26 | 37.45 | 41.74 | 48.07 | 58.19 | 63.60 | 69.29 | 74.65 | 67.20 | 53.42 | 42.30 | 36.61 | 52.23 | |||||||||||||
2013 | 31.06 | 35.39 | 47.16 | 53.20 | 58.23 | 67.63 | 75.06 | 69.32 | 64.10 | 47.74 | 42.57 | 33.03 | 52.04 | |||||||||||||
2014 | 37.06 | 42.89 | 46.39 | 51.73 | 59.61 | 67.50 | 73.26 | 69.52 | 66.30 | 54.97 | 42.90 | 39.26 | 54.28 | |||||||||||||
2015 | 37.65 | 43.43 | 48.06 | 49.93 | a | 55.83 | a | 69.57 | 69.35 | 72.10 | 65.87 | 57.94 | 37.63 | 32.13 | 53.29 | |||||||||||
2016 | 36.90 | 39.48 | 46.68 | 52.10 | 56.77 | 70.67 | 72.65 | 71.58 | 61.83 | 54.16 | 42.37 | 36.94 | 53.51 | |||||||||||||
2017 | 37.80 | a | 43.50 | 44.94 | 50.43 | 56.52 | 68.03 | 75.19 | 72.94 | 62.63 | 50.71 | 45.80 | 34.52 | 53.58 | ||||||||||||
2018 | 38.23 | 36.89 | 44.48 | 51.67 | 57.55 | 65.63 | 77.32 | 72.23 | 63.20 | e | 51.93 | c | 41.79 | a | 36.52 | 53.12 | ||||||||||
2019 | 37.32 | 35.07 | 42.45 | 52.60 | 51.58 | 66.27 | 71.26 | 70.45 | 63.10 | 48.80 | a | 39.60 | 36.00 | 51.21 | ||||||||||||
2020 | 35.45 | 37.79 | 42.58 | 48.77 | 58.77 | 63.80 | 69.16 | 72.52 | 64.47 | 53.97 | 40.47 | 33.52 | 51.77 | |||||||||||||
2021 | 35.97 | 38.74 | a | 40.43 | h | 50.32 | b | 60.03 | a | 70.07 | 74.06 | 69.55 | 65.23 | 49.87 | 44.39 | b | 35.90 | 54.01 | a | |||||||
2022 | 34.06 | 35.15 | a | 44.23 | 50.80 | 57.84 | 67.34 | a | 73.77 | 75.13 | 68.10 | 55.42 | 37.76 | a | 35.13 | 52.89 | ||||||||||
2023 | 35.94 | 34.44 | a | 40.07 | b | 49.00 | 56.06 | 60.43 | 74.77 | 69.71 | 62.50 | 51.90 | 40.40 | 37.55 | 51.07 | |||||||||||
2024 | 37.77 | 40.55 | 43.19 | 42.50 | n | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 40.51 | i | |||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 34.89 | 38.06 | 43.09 | 48.94 | 55.77 | 64.21 | 70.35 | 68.89 | 62.23 | 51.52 | 40.99 | 34.10 | 51.56 | |||||||||||||
S.D. | 2.51 | 3.05 | 2.90 | 2.99 | 3.34 | 3.33 | 4.02 | 2.99 | 2.99 | 2.97 | 2.82 | 2.89 | 1.48 | |||||||||||||
SKEW | -0.01 | 0.48 | -0.49 | -0.62 | -0.39 | 0.02 | -0.69 | -0.10 | -0.52 | 0.19 | -0.12 | -0.72 | -0.28 | |||||||||||||
MAX | 39.84 | 46.36 | 48.06 | 53.20 | 62.58 | 70.67 | 77.32 | 75.13 | 68.10 | 57.94 | 48.10 | 39.26 | 54.28 | |||||||||||||
MIN | 29.90 | 31.89 | 35.03 | 42.20 | 47.97 | 58.30 | 59.26 | 62.71 | 54.40 | 45.94 | 34.07 | 25.97 | 48.70 | |||||||||||||
YRS | 41 | 43 | 41 | 40 | 42 | 40 | 41 | 41 | 43 | 43 | 43 | 41 | 30 |