YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1980 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 49.03 | 43.57 | 41.90 | 44.83 | i | |||
1981 | 41.71 | 41.57 | 44.79 | 46.10 | 51.66 | 54.43 | a | 58.85 | 61.34 | 54.77 | 47.65 | 44.05 | 39.02 | 48.83 | ||||||||||||
1982 | 36.18 | 39.63 | a | 40.98 | 43.02 | 50.15 | 57.57 | 58.18 | 58.28 | b | 56.62 | 48.98 | 39.95 | 39.15 | 47.39 | |||||||||||
1983 | 41.21 | b | 42.68 | 44.84 | 46.10 | a | 53.32 | 56.76 | a | 59.31 | 60.48 | 53.67 | 46.75 | a | 45.12 | a | 32.03 | 48.52 | ||||||||
1984 | 39.97 | 41.86 | 44.60 | 46.13 | 49.81 | 55.30 | 58.68 | 59.37 | 53.47 | 46.95 | 42.07 | 35.21 | 47.78 | |||||||||||||
1985 | 36.78 | a | 38.07 | 40.76 | 45.91 | a | 51.10 | a | 56.03 | 61.05 | 59.08 | 53.87 | 48.90 | 33.22 | a | 35.66 | 46.70 | |||||||||
1986 | 42.24 | 39.09 | 45.26 | 44.93 | 50.80 | a | 56.68 | 57.15 | 62.26 | 54.98 | 48.34 | 42.98 | a | 39.32 | a | 48.67 | ||||||||||
1987 | 39.39 | 43.18 | 43.94 | 47.62 | 52.69 | 56.73 | 59.44 | 59.32 | 55.80 | 48.95 | 45.79 | b | 38.98 | b | 49.32 | |||||||||||
1988 | 37.35 | a | 40.93 | 41.75 | a | 46.12 | 50.75 | a | 54.63 | 58.82 | 59.06 | 53.89 | b | 50.15 | 42.79 | b | 39.84 | 48.01 | ||||||||
1989 | 38.24 | 31.43 | 40.79 | 47.65 | 51.67 | a | 57.15 | 58.85 | 58.89 | 56.23 | 47.65 | 43.60 | 41.42 | 47.80 | ||||||||||||
1990 | 40.18 | 36.84 | 42.08 | a | 48.26 | a | 51.90 | 56.13 | 61.82 | 61.23 | 56.91 | b | 47.74 | 44.25 | b | 34.06 | 48.45 | |||||||||
1991 | 37.05 | 44.06 | b | 40.88 | a | 46.27 | 51.87 | a | 54.47 | a | 59.44 | 60.43 | a | 56.66 | b | 47.70 | a | 44.61 | c | 41.42 | a | 48.74 | ||||
1992 | 40.92 | 42.59 | a | 45.36 | c | 48.47 | 52.93 | c | 58.98 | b | 60.60 | b | 59.34 | 52.59 | b | 49.63 | 43.25 | b | 37.17 | b | 49.32 | |||||
1993 | 31.04 | c | 35.87 | b | 43.59 | b | 47.10 | 56.33 | a | 56.50 | 57.92 | a | 60.10 | 53.67 | 49.67 | d | 38.50 | c | 39.47 | a | 47.48 | |||||
1994 | 41.58 | a | 38.04 | b | 43.93 | a | 48.38 | 53.34 | 54.67 | 60.37 | 60.84 | 57.17 | 46.38 | a | 40.15 | d | 38.05 | b | 48.58 | |||||||
1995 | 38.95 | b | 41.39 | a | 42.58 | 46.32 | b | 54.15 | 57.62 | a | 61.32 | a | 57.32 | 56.98 | e | 48.71 | b | 44.82 | 39.00 | c | 49.10 | |||||
1996 | 37.12 | a | 38.26 | b | 42.17 | a | 47.89 | b | 48.92 | a | 55.13 | 60.85 | ----- | z | 53.53 | a | 46.98 | b | 40.28 | 35.79 | 46.08 | a | ||||
1997 | 39.03 | 40.36 | 41.61 | c | 45.24 | c | 54.15 | 56.78 | 61.27 | a | 62.10 | 57.19 | c | 50.02 | a | 44.67 | a | 39.87 | a | 49.36 | ||||||
1998 | 38.67 | b | 43.54 | a | 44.68 | 46.02 | b | 54.10 | a | 57.73 | 62.00 | 61.36 | b | 57.43 | 47.79 | 44.57 | 38.27 | a | 49.68 | |||||||
1999 | 39.53 | 40.59 | a | 41.95 | b | 44.43 | a | 49.27 | a | 53.77 | 56.21 | c | 60.44 | 54.04 | c | 47.25 | a | 44.52 | 40.11 | d | 47.68 | |||||
2000 | 36.81 | b | 39.15 | f | 42.02 | f | 45.95 | h | 50.93 | a | 56.69 | d | 60.35 | 58.73 | a | 53.90 | d | 47.89 | d | 40.31 | a | 38.30 | a | 49.33 | c | |
2001 | 40.66 | 37.75 | 42.05 | b | 45.06 | c | 50.44 | 54.43 | a | 55.65 | a | 56.10 | b | 52.12 | 47.24 | b | 43.23 | 37.43 | a | 46.85 | ||||||
2002 | 39.82 | i | 36.75 | n | 39.40 | 45.76 | a | 49.85 | 57.57 | 60.47 | 60.31 | 55.36 | b | 47.03 | b | 43.62 | 40.61 | 50.00 | b | |||||||
2003 | 43.20 | a | 39.98 | 44.70 | a | 47.00 | 51.19 | 58.75 | 61.55 | a | 60.94 | 57.28 | a | 50.60 | a | 40.00 | b | 39.39 | 49.55 | |||||||
2004 | 40.24 | b | 41.62 | 45.03 | 49.21 | a | 53.79 | 58.66 | a | 62.71 | 62.81 | 54.50 | 49.60 | 42.93 | 41.53 | a | 50.22 | |||||||||
2005 | 39.71 | 38.12 | 45.35 | 48.29 | a | 55.16 | 57.53 | 61.21 | 60.08 | 54.88 | 49.63 | a | 40.62 | a | 40.18 | 49.23 | ||||||||||
2006 | 41.23 | 38.38 | c | 43.10 | b | 46.42 | e | 52.42 | 58.62 | 62.05 | 58.94 | 55.63 | 47.22 | a | 41.28 | a | 38.82 | 48.67 | ||||||||
2007 | 37.08 | 40.85 | a | 43.61 | 45.57 | a | 50.98 | 55.22 | 62.10 | 60.63 | 54.73 | 46.89 | 41.15 | 38.33 | a | 48.10 | ||||||||||
2008 | 36.98 | a | 40.31 | 39.55 | 42.30 | 52.08 | 54.65 | 58.16 | 60.03 | 55.65 | 47.40 | 45.95 | 35.27 | 47.36 | ||||||||||||
2009 | 36.94 | 37.50 | 39.84 | 46.30 | 51.81 | 58.37 | 62.39 | 60.35 | 56.37 | 48.77 | 43.42 | 35.29 | 48.11 | |||||||||||||
2010 | 43.53 | 43.14 | 43.69 | 47.05 | 50.18 | 55.98 | 59.92 | 58.74 | 56.18 | 49.15 | 40.25 | 39.95 | 48.98 | |||||||||||||
2011 | 39.32 | 36.75 | 42.98 | 43.10 | 50.31 | 56.07 | 58.89 | 60.48 | 57.73 | 47.94 | 40.15 | 37.11 | 47.57 | |||||||||||||
2012 | 36.97 | 40.64 | 41.18 | 46.85 | 51.27 | 54.58 | 58.81 | 61.68 | 55.62 | 48.68 | 43.30 | 38.90 | 48.21 | |||||||||||||
2013 | 37.32 | 41.80 | 42.34 | 46.45 | 52.71 | 58.70 | 60.02 | 61.32 | 57.42 | 46.89 | 41.30 | 35.81 | 48.51 | |||||||||||||
2014 | 39.05 | 36.52 | 44.53 | 47.77 | 54.82 | 58.30 | 61.44 | 61.42 | 57.75 | 53.55 | 41.43 | a | 41.98 | 49.88 | ||||||||||||
2015 | 42.87 | 45.91 | 46.37 | 46.42 | 54.16 | 60.40 | 63.84 | 62.89 | 55.57 | 52.39 | 40.98 | 39.81 | 50.97 | |||||||||||||
2016 | 40.26 | 43.28 | 46.08 | 51.68 | 56.37 | 58.30 | 62.23 | 63.03 | 55.50 | 50.08 | 47.08 | 35.29 | 50.77 | |||||||||||||
2017 | 34.84 | 37.93 | 43.71 | 47.30 | 53.45 | 58.34 | a | 61.15 | 62.82 | 58.37 | 48.42 | 42.48 | 36.48 | 48.77 | ||||||||||||
2018 | 39.89 | l | 43.50 | x | ----- | z | ----- | z | ----- | z | 60.53 | l | 62.81 | 61.47 | a | 57.03 | 48.23 | 44.96 | b | 40.07 | h | 54.90 | g | |||
2019 | 41.76 | d | 33.62 | h | ----- | z | ----- | z | 56.25 | m | 59.04 | e | 62.10 | a | 63.60 | 58.00 | 46.18 | 39.52 | e | 40.85 | 51.38 | d | ||||
2020 | 41.15 | 40.34 | 41.19 | 48.28 | 54.35 | 57.70 | 61.13 | 61.29 | 59.48 | 50.95 | 42.75 | 40.79 | 49.95 | |||||||||||||
2021 | 41.06 | 39.62 | 41.26 | b | 48.24 | a | 53.52 | 61.50 | 62.29 | 61.90 | 57.88 | 48.73 | 45.08 | 35.84 | 49.74 | |||||||||||
2022 | 35.27 | a | 37.20 | w | 39.75 | y | ----- | z | 48.00 | r | ----- | z | 63.37 | 65.21 | 59.98 | a | 53.76 | 39.80 | 36.84 | 50.60 | e | |||||
2023 | 40.50 | e | 38.82 | i | 41.40 | u | 45.12 | m | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 46.07 | p | 40.50 | k |
2024 | 39.97 | a | 43.75 | a | 44.94 | 49.45 | 53.27 | a | 58.52 | 64.11 | 62.56 | 59.48 | 51.66 | 45.47 | 43.19 | 51.36 | ||||||||||
2025 | 41.79 | q | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 39.14 | 40.11 | 43.01 | 46.68 | 52.30 | 56.95 | 60.48 | 60.68 | 55.95 | 48.73 | 42.50 | 38.46 | 48.76 | |||||||||||||
S.D. | 2.52 | 2.82 | 1.89 | 1.81 | 1.87 | 1.80 | 1.96 | 1.75 | 1.88 | 1.77 | 2.53 | 2.43 | 1.11 | |||||||||||||
SKEW | -0.70 | -0.54 | -0.14 | -0.05 | 0.27 | 0.18 | -0.41 | -0.05 | 0.08 | 1.08 | -1.01 | -0.41 | 0.34 | |||||||||||||
MAX | 43.53 | 45.91 | 46.37 | 51.68 | 56.37 | 61.50 | 64.11 | 65.21 | 59.98 | 53.76 | 47.08 | 43.19 | 51.36 | |||||||||||||
MIN | 31.04 | 31.43 | 39.40 | 42.30 | 48.92 | 53.77 | 55.65 | 56.10 | 52.12 | 46.18 | 33.22 | 32.03 | 46.70 | |||||||||||||
YRS | 42 | 38 | 39 | 39 | 40 | 41 | 43 | 42 | 43 | 44 | 44 | 43 | 37 |