YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1982 | ----- | z | ----- | z | 46.39 | 49.55 | b | 56.14 | b | 64.04 | f | 64.62 | c | 65.43 | d | 61.69 | c | 54.09 | b | 44.52 | b | 39.91 | d | 53.59 | c | |
1983 | 42.79 | b | 45.46 | b | 48.21 | b | 49.69 | a | 58.73 | c | 62.28 | a | 64.31 | d | 66.84 | c | 58.54 | c | 51.69 | b | 47.77 | b | 35.90 | b | 52.68 | |
1984 | 43.48 | c | 44.40 | 48.85 | a | 49.97 | 54.22 | a | 60.37 | c | 66.00 | 65.42 | 61.00 | a | 51.00 | b | 44.69 | a | 37.00 | b | 52.20 | |||||
1985 | 37.03 | a | 40.65 | a | 43.92 | a | 51.12 | 56.47 | a | 61.69 | a | 69.03 | 65.57 | c | 58.47 | 52.74 | 37.41 | a | 36.08 | 50.85 | ||||||
1986 | 44.40 | 43.54 | a | 50.45 | 49.90 | 56.87 | 64.10 | 62.61 | 68.48 | 59.93 | 54.03 | 46.45 | 41.10 | 53.49 | ||||||||||||
1987 | 40.55 | 45.70 | 48.24 | 53.82 | 58.39 | 62.98 | a | 65.89 | 65.79 | 62.55 | b | 54.21 | 48.67 | a | 39.79 | b | 53.88 | |||||||||
1988 | 39.98 | a | 44.64 | a | 46.16 | 51.95 | b | 56.21 | 60.48 | 64.79 | 64.68 | 60.18 | 56.13 | 46.78 | 42.42 | 52.87 | ||||||||||
1989 | 42.52 | 36.61 | 44.43 | a | 53.92 | 56.82 | 62.70 | b | 64.22 | a | 64.31 | 61.73 | 52.81 | 47.67 | 42.58 | 52.53 | ||||||||||
1990 | 43.68 | 41.23 | 47.24 | 53.07 | 55.90 | 61.04 | c | 67.87 | a | 67.03 | a | 62.88 | a | 52.37 | a | 47.69 | a | 36.05 | b | 53.00 | ||||||
1991 | 40.53 | b | 47.35 | a | 44.80 | a | 49.97 | 54.87 | 58.79 | f | 66.40 | 66.55 | c | 61.91 | a | 52.45 | a | 47.70 | c | 43.47 | b | 52.36 | a | |||
1992 | 44.56 | 45.62 | d | 49.66 | b | 53.98 | a | 59.28 | a | 64.90 | 66.47 | a | 66.68 | 60.12 | 54.60 | 46.63 | 40.45 | a | 54.41 | |||||||
1993 | 38.20 | a | 41.25 | 47.65 | a | 51.52 | 60.57 | a | 61.45 | 62.45 | 65.00 | g | 60.93 | a | 55.26 | 41.69 | a | 42.23 | a | 51.20 | a | |||||
1994 | 45.70 | d | 41.76 | a | 48.47 | a | 52.88 | 57.73 | a | 60.24 | a | 66.88 | b | 66.83 | b | 63.27 | 52.31 | 42.98 | a | 41.76 | 53.40 | |||||
1995 | 43.60 | 45.40 | b | 47.63 | 51.17 | 59.08 | a | 61.87 | 67.24 | b | 63.43 | a | 63.63 | 53.23 | 49.70 | 42.55 | 54.04 | |||||||||
1996 | 41.73 | 42.88 | 47.58 | a | 52.43 | a | 54.18 | ----- | z | 66.60 | 66.02 | 58.75 | 52.18 | 44.14 | a | 40.97 | 51.59 | a | ||||||||
1997 | 42.65 | 43.54 | 46.52 | ----- | z | ----- | z | 61.66 | h | 65.90 | e | 68.28 | b | 62.72 | 52.82 | 49.03 | 41.85 | 52.59 | c | |||||||
1998 | 43.52 | 46.96 | 47.94 | 51.47 | 56.52 | 62.03 | ----- | z | 66.87 | 63.02 | ----- | z | 47.58 | 41.23 | 52.71 | b | ||||||||||
1999 | 43.26 | 43.61 | 45.18 | a | 49.93 | a | 53.50 | a | 59.88 | 63.97 | 65.95 | b | 60.10 | 52.73 | a | 49.23 | 43.32 | 52.56 | ||||||||
2000 | 41.20 | a | 43.89 | a | ----- | z | 52.13 | 56.37 | 62.42 | 65.19 | ----- | z | 60.80 | ----- | z | ----- | z | 42.94 | m | 54.57 | e | |||||
2001 | 43.13 | 41.71 | 47.90 | 50.77 | 57.60 | a | 60.33 | 65.37 | a | 66.35 | 61.30 | 52.84 | 48.15 | 42.48 | 53.16 | |||||||||||
2002 | ----- | z | 43.38 | b | 44.42 | 50.58 | 55.84 | 63.53 | 66.65 | 66.44 | 61.40 | a | 52.21 | 47.97 | 44.27 | a | 54.24 | a | ||||||||
2003 | 46.03 | 43.48 | a | 49.52 | 51.60 | a | 57.27 | 64.21 | a | 68.02 | a | 68.17 | a | 64.26 | a | 57.65 | 43.31 | a | 42.90 | b | 54.70 | |||||
2004 | 41.53 | 46.76 | 51.17 | a | 56.60 | a | 60.94 | d | 65.22 | 70.70 | a | 69.59 | b | 61.80 | 56.31 | b | 48.13 | 46.00 | 56.23 | |||||||
2005 | 45.60 | a | 44.08 | c | 51.35 | d | 53.74 | a | 61.42 | a | 63.15 | 67.95 | b | 67.08 | y | 60.17 | j | 57.50 | c | 45.96 | c | 42.04 | e | 53.28 | b | |
2006 | 47.03 | b | 43.31 | a | 48.61 | c | 53.14 | b | 57.15 | g | 63.32 | m | ----- | z | ----- | z | 62.76 | m | 55.72 | o | 46.20 | o | 44.17 | e | 47.25 | g |
2007 | 41.37 | e | 46.86 | 50.83 | b | 53.34 | b | 58.38 | e | 62.92 | 68.62 | a | 66.30 | h | 61.47 | 53.06 | 45.98 | a | 42.55 | 53.22 | a | |||||
2008 | 41.12 | a | 45.24 | 45.72 | a | 49.27 | b | 58.63 | 59.80 | 66.00 | 66.34 | b | 61.13 | 53.74 | 50.33 | 39.88 | a | 53.10 | ||||||||
2009 | 41.30 | a | 42.50 | 44.53 | b | 51.55 | a | 57.77 | 64.40 | a | 67.77 | g | 66.64 | c | 63.91 | b | 54.48 | 49.18 | 41.33 | g | 53.63 | b | ||||
2010 | 48.27 | 48.04 | 49.61 | 51.60 | i | 54.84 | 59.90 | 65.72 | a | 65.82 | a | 61.44 | d | 53.82 | a | 44.29 | a | 43.31 | 54.10 | a | ||||||
2011 | 42.52 | 40.61 | 45.84 | 47.25 | 53.68 | 60.55 | 64.82 | 65.94 | 65.88 | q | 53.37 | 43.50 | 40.10 | 50.74 | a | |||||||||||
2012 | 40.81 | 44.48 | 44.85 | 52.38 | 56.31 | 59.68 | 65.68 | 67.72 | b | 61.63 | 53.61 | 47.83 | 42.53 | 53.13 | ||||||||||||
2013 | 39.26 | 44.86 | 47.87 | 51.72 | 58.53 | 64.18 | 67.50 | 68.63 | 62.68 | 50.37 | 45.57 | 39.42 | 53.38 | |||||||||||||
2014 | 42.66 | 41.04 | 48.90 | 52.45 | 60.13 | 62.70 | 69.13 | 68.47 | 63.93 | b | 58.21 | 45.58 | 44.10 | 54.77 | ||||||||||||
2015 | 45.06 | 48.79 | 50.92 | 52.13 | 59.55 | 67.50 | 70.90 | 68.32 | 60.38 | 56.85 | 44.17 | 43.23 | 55.65 | |||||||||||||
2016 | 42.50 | 47.33 | 49.06 | 56.35 | 60.27 | 63.93 | 67.52 | 68.23 | 61.12 | 54.68 | 50.97 | 39.23 | 55.10 | |||||||||||||
2017 | 38.10 | 42.05 | 47.40 | 51.37 | 58.66 | 63.42 | 67.50 | 68.82 | a | 63.48 | 52.50 | 47.48 | 39.29 | 53.34 | ||||||||||||
2018 | 45.42 | 42.52 | 46.61 | 51.87 | 61.13 | 62.83 | 69.81 | 67.89 | 61.50 | 52.44 | 47.75 | 43.42 | 54.43 | |||||||||||||
2019 | 43.33 | a | 37.12 | 46.61 | 52.62 | 60.27 | 63.45 | 67.47 | 68.44 | 62.83 | 50.40 | 45.23 | b | 44.00 | 53.48 | |||||||||||
2020 | 46.83 | h | 43.72 | 44.77 | 52.35 | 59.06 | 62.25 | 66.68 | 67.34 | 64.55 | 54.95 | 46.60 | 43.32 | 55.05 | a | |||||||||||
2021 | 43.60 | 41.98 | 45.63 | 53.38 | 57.24 | 66.68 | 68.44 | 67.95 | 62.42 | 53.05 | 48.23 | 39.58 | 54.02 | |||||||||||||
2022 | 41.73 | 42.32 | 47.58 | 48.35 | 54.18 | 62.02 | 68.81 | 69.60 | 63.65 | 57.11 | 41.55 | 39.79 | 53.06 | |||||||||||||
2023 | 43.27 | 41.75 | 44.82 | 48.87 | 61.63 | 63.00 | 68.35 | 68.73 | 62.03 | 53.97 | 44.27 | 44.73 | 53.78 | |||||||||||||
2024 | 41.26 | 44.93 | 47.11 | 50.97 | 56.44 | 61.63 | 69.61 | 66.65 | 62.83 | 54.19 | 46.62 | 43.71 | 53.83 | |||||||||||||
2025 | 39.89 | 36.36 | q | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 39.89 | k | |
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 42.54 | 43.65 | 47.40 | 51.73 | 57.60 | 62.52 | 66.79 | 67.01 | 61.80 | 53.80 | 46.32 | 41.53 | 53.61 | |||||||||||||
S.D. | 2.39 | 2.60 | 2.05 | 1.92 | 2.24 | 1.88 | 2.01 | 1.45 | 1.53 | 1.91 | 2.67 | 2.43 | 1.10 | |||||||||||||
SKEW | 0.00 | -0.43 | 0.16 | 0.20 | -0.02 | 0.50 | -0.05 | -0.25 | -0.32 | 0.57 | -0.96 | -0.73 | 0.16 | |||||||||||||
MAX | 48.27 | 48.79 | 51.35 | 56.60 | 61.63 | 67.50 | 70.90 | 69.60 | 64.55 | 58.21 | 50.97 | 46.00 | 56.23 | |||||||||||||
MIN | 37.03 | 36.61 | 43.92 | 47.25 | 53.50 | 59.68 | 62.45 | 63.43 | 58.47 | 50.37 | 37.41 | 35.90 | 50.85 | |||||||||||||
YRS | 41 | 42 | 42 | 41 | 41 | 38 | 40 | 38 | 40 | 40 | 41 | 41 | 28 |