YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1977 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 55.02 | 47.52 | 37.77 | 36.42 | 44.18 | h | ||||
1978 | 33.26 | 37.38 | 44.52 | 46.42 | 50.19 | 60.73 | 64.71 | 62.98 | 55.08 | 48.81 | d | 34.00 | a | 31.50 | b | 47.47 | ||||||||||
1979 | 25.44 | g | 34.98 | c | 41.40 | 45.35 | 53.10 | 59.22 | 63.31 | 62.84 | 59.12 | 50.69 | 37.10 | 36.32 | 49.40 | a | ||||||||||
1980 | 29.29 | g | 33.41 | 37.98 | 47.32 | 51.37 | 54.68 | 62.90 | 58.92 | 56.64 | a | 48.12 | a | 41.41 | a | 36.58 | a | 48.12 | a | |||||||
1981 | 37.05 | 36.67 | b | 42.98 | 45.52 | 51.89 | 55.22 | 62.22 | a | 66.52 | a | 57.90 | 46.21 | 41.38 | 35.78 | a | 48.28 | |||||||||
1982 | 33.53 | a | 34.00 | 39.98 | a | 42.45 | 51.10 | 61.42 | ----- | z | 63.53 | a | 56.33 | 46.17 | a | 36.13 | 33.44 | 45.28 | a | |||||||
1983 | 35.08 | 37.35 | a | 43.53 | a | 46.40 | 54.42 | 55.60 | a | 59.68 | 63.61 | ----- | z | 46.67 | a | 41.35 | 27.63 | d | 46.48 | a | ||||||
1984 | 31.44 | 35.88 | 42.40 | 43.48 | 48.79 | 55.13 | 62.77 | 63.34 | 54.97 | 45.26 | 37.27 | 30.95 | b | 45.97 | ||||||||||||
1985 | 28.58 | 33.44 | b | 38.57 | a | 46.12 | 51.85 | 57.32 | 67.21 | 60.31 | 52.52 | 45.97 | a | 29.45 | 23.48 | 44.57 | ||||||||||
1986 | 34.02 | 34.50 | a | 42.34 | 44.43 | 52.56 | 62.27 | 59.02 | 67.39 | 54.98 | 50.56 | 41.83 | 32.55 | 48.04 | ||||||||||||
1987 | 30.94 | 37.18 | 41.65 | a | 50.25 | 55.42 | 61.58 | 62.61 | 63.92 | 60.90 | 51.82 | 42.55 | 31.48 | 49.19 | ||||||||||||
1988 | 32.05 | 37.24 | 41.71 | ----- | z | 52.32 | 57.67 | 63.89 | 62.55 | a | 58.45 | a | 53.68 | 41.03 | 33.60 | a | 48.56 | a | ||||||||
1989 | 34.68 | 31.64 | f | 37.47 | 48.60 | 52.44 | 60.30 | 60.50 | 61.74 | 58.57 | 48.50 | 42.10 | 35.34 | 49.11 | a | |||||||||||
1990 | 36.52 | a | 32.72 | a | 40.97 | 49.98 | 51.34 | 57.98 | a | 66.98 | 65.10 | b | 61.83 | 46.21 | 41.90 | 33.38 | g | 50.14 | a | |||||||
1991 | 31.40 | 41.45 | 39.71 | 45.00 | 49.52 | a | 54.70 | 64.77 | 66.27 | a | 60.37 | 48.87 | 40.43 | 35.60 | a | 48.17 | ||||||||||
1992 | 36.55 | 41.68 | a | 47.38 | a | 49.35 | 57.19 | 63.02 | a | 65.37 | 65.15 | 55.53 | 49.57 | a | 39.28 | 31.06 | 50.09 | |||||||||
1993 | 26.85 | 31.16 | 38.53 | 44.37 | 56.55 | 57.43 | 58.50 | 62.56 | 59.18 | 51.50 | 33.67 | 32.68 | 46.08 | |||||||||||||
1994 | 37.74 | 33.43 | 42.95 | 48.55 | 54.77 | 57.10 | a | 65.84 | 63.66 | 60.45 | 47.26 | 34.98 | 33.31 | 48.34 | ||||||||||||
1995 | 32.63 | 39.84 | 41.67 | a | 44.78 | 54.98 | a | 57.83 | 64.60 | a | 60.62 | a | 61.28 | 47.77 | a | 44.17 | 34.21 | b | 48.70 | |||||||
1996 | 34.68 | a | 32.17 | c | 39.71 | 47.42 | 49.48 | a | 57.98 | 66.97 | a | 64.29 | 55.30 | b | 47.74 | 38.70 | 32.45 | 47.24 | ||||||||
1997 | 32.18 | 35.31 | a | 38.82 | a | 43.60 | 55.71 | 57.37 | 62.36 | b | 65.98 | a | 59.16 | a | 47.92 | 41.52 | a | 33.95 | 47.82 | |||||||
1998 | 34.33 | b | 38.25 | 42.33 | a | 46.33 | 52.26 | 59.53 | 68.69 | 66.06 | 62.13 | 47.32 | 42.57 | 32.91 | b | 49.39 | ||||||||||
1999 | 36.34 | 35.80 | 39.40 | 44.72 | 48.38 | a | 56.07 | a | 62.63 | 66.23 | 58.09 | a | 47.81 | 43.52 | 36.13 | a | 47.93 | |||||||||
2000 | 33.26 | 34.74 | 38.29 | 48.20 | 52.42 | a | 58.63 | 62.32 | 62.73 | 57.23 | b | 47.90 | b | 35.02 | 31.95 | c | 46.89 | |||||||||
2001 | 32.97 | 34.33 | a | 41.11 | 44.08 | 54.40 | a | 55.26 | c | 62.32 | a | 64.60 | 59.82 | 47.39 | 42.10 | a | 34.34 | 47.73 | ||||||||
2002 | 34.00 | 35.61 | 37.66 | 44.72 | 50.56 | 59.12 | b | 65.24 | 62.88 | a | 58.53 | a | 46.47 | a | 39.37 | 35.69 | 47.49 | |||||||||
2003 | 37.87 | a | 38.07 | 42.72 | a | 45.82 | 52.45 | 60.26 | a | 67.06 | 65.47 | 60.80 | 52.24 | 36.35 | 33.72 | b | 49.40 | |||||||||
2004 | 31.04 | d | 35.66 | a | 43.83 | a | 49.47 | 53.06 | 60.08 | 67.37 | 67.30 | a | 57.43 | 50.03 | a | 39.77 | 35.89 | 49.24 | ||||||||
2005 | 32.00 | b | 36.11 | a | 44.70 | a | 46.98 | 55.40 | a | 56.64 | a | ----- | z | 65.76 | 56.20 | 49.94 | 37.63 | 29.47 | 46.44 | a | ||||||
2006 | 36.82 | 33.96 | 39.71 | 46.93 | ----- | z | 61.33 | a | 67.34 | 64.18 | 59.38 | 48.61 | i | 39.67 | g | 31.94 | 49.07 | c | ||||||||
2007 | 30.81 | d | 36.27 | 41.62 | f | 45.62 | f | 53.83 | e | 58.21 | f | 68.12 | g | 63.30 | d | 56.61 | c | 45.50 | i | 37.71 | d | 33.50 | a | 44.58 | e | |
2008 | 30.38 | c | 36.35 | c | 36.93 | b | 40.88 | b | 52.79 | 55.83 | 64.65 | 64.47 | 58.02 | 47.35 | 42.20 | 30.02 | 46.65 | |||||||||
2009 | 31.15 | a | 33.65 | b | 36.18 | 44.14 | a | 53.53 | 61.15 | 68.27 | 66.24 | 60.89 | b | 43.88 | w | 39.07 | a | 28.58 | 47.53 | a | ||||||
2010 | 35.28 | a | 39.84 | 41.32 | c | 44.38 | 49.60 | 55.87 | 64.19 | 63.42 | 57.55 | 49.12 | b | 38.12 | 33.21 | 47.66 | ||||||||||
2011 | 31.81 | 33.07 | 37.16 | 40.57 | 47.65 | 55.42 | 59.96 | e | 64.67 | h | 61.03 | 48.45 | j | 37.68 | 31.84 | 43.62 | b | |||||||||
2012 | 33.35 | 35.66 | 36.63 | 45.63 | 50.63 | 52.81 | v | 63.60 | u | 67.15 | a | 60.88 | 48.24 | 41.17 | 35.35 | 45.47 | b | |||||||||
2013 | 29.58 | 35.11 | n | 41.27 | c | 46.53 | 53.74 | 59.43 | 66.60 | 66.90 | b | 59.95 | 46.71 | s | 38.34 | a | 29.18 | 49.15 | b | |||||||
2014 | 34.35 | 34.46 | o | 39.07 | p | 43.64 | w | 54.94 | g | 57.62 | 67.60 | 68.10 | 60.94 | d | 50.88 | o | 38.30 | 35.85 | 51.82 | e | ||||||
2015 | 36.58 | 41.98 | 46.27 | 49.12 | m | 55.92 | 65.17 | 68.31 | 66.60 | 56.78 | 53.27 | a | 36.71 | m | 34.15 | 52.50 | b | |||||||||
2016 | 28.38 | r | 41.25 | k | 42.32 | 52.33 | 56.82 | 60.98 | 64.03 | 66.69 | 56.78 | 49.95 | 45.33 | 31.13 | p | 55.03 | c | |||||||||
2017 | ----- | z | 34.33 | v | 38.90 | 44.68 | 55.89 | 60.58 | 67.10 | 69.82 | 61.37 | 47.44 | 39.67 | 32.40 | 51.78 | b | ||||||||||
2018 | 37.05 | 36.04 | 38.69 | 46.67 | 58.11 | 58.33 | 67.76 | 66.97 | 56.63 | 49.69 | 40.18 | 35.84 | 49.33 | |||||||||||||
2019 | 35.21 | 30.79 | 35.56 | 47.13 | 55.77 | 59.47 | 63.55 | 66.32 | 58.55 | 43.97 | 39.27 | 35.21 | 47.57 | |||||||||||||
2020 | 36.00 | 37.71 | ----- | z | ----- | z | 55.62 | n | 58.57 | a | 64.05 | 65.60 | 60.77 | 49.85 | 39.40 | 35.27 | 49.69 | c | ||||||||
2021 | 37.24 | 33.66 | 39.73 | 47.68 | 53.11 | 64.83 | 68.87 | 66.84 | 58.57 | 47.19 | 42.08 | 33.92 | e | 49.48 | ||||||||||||
2022 | 32.42 | 34.32 | 42.23 | 41.55 | 49.48 | 58.45 | 68.82 | 69.57 | a | 61.98 | 54.82 | 34.12 | 29.82 | 48.13 | ||||||||||||
2023 | 33.45 | 32.62 | 36.90 | 43.47 | 57.84 | 60.72 | 67.31 | 68.21 | 58.65 | 49.02 | 39.12 | 37.66 | 48.75 | |||||||||||||
2024 | 34.06 | e | 36.38 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 35.22 | j | |
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 33.64 | 35.73 | 40.56 | 45.91 | 52.99 | 58.73 | 64.72 | 64.95 | 58.46 | 48.68 | 39.25 | 33.16 | 47.99 | |||||||||||||
S.D. | 2.59 | 2.66 | 2.75 | 2.53 | 2.67 | 2.62 | 2.83 | 2.35 | 2.31 | 2.32 | 3.14 | 2.79 | 1.25 | |||||||||||||
SKEW | -0.33 | 0.55 | 0.28 | 0.14 | 0.00 | 0.42 | -0.39 | -0.27 | -0.33 | 0.66 | -0.71 | -1.07 | -0.68 | |||||||||||||
MAX | 37.87 | 41.98 | 47.38 | 52.33 | 58.11 | 65.17 | 68.87 | 69.82 | 62.13 | 54.82 | 45.33 | 37.66 | 50.09 | |||||||||||||
MIN | 26.85 | 30.79 | 35.56 | 40.57 | 47.65 | 54.68 | 58.50 | 58.92 | 52.52 | 43.97 | 29.45 | 23.48 | 44.57 | |||||||||||||
YRS | 43 | 42 | 43 | 41 | 43 | 44 | 42 | 45 | 46 | 41 | 45 | 45 | 27 |