YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1980 | ----- | z | 40.29 | 45.76 | 54.13 | 64.76 | 80.83 | 81.95 | a | 77.10 | 70.67 | 56.37 | 42.68 | 42.81 | 59.76 | a | ||||||||||
1981 | 39.90 | 43.21 | 47.94 | 60.70 | 66.29 | 77.48 | 78.37 | 73.23 | 67.95 | 58.16 | 50.32 | 41.79 | 58.78 | |||||||||||||
1982 | 37.36 | b | 37.82 | 49.28 | b | 56.67 | a | 65.47 | a | 72.78 | a | 78.39 | 78.29 | e | 71.75 | 56.71 | 44.71 | b | 36.65 | g | 59.02 | a | ||||
1983 | 33.57 | a | 40.77 | 47.50 | 50.00 | 63.48 | c | 71.58 | 78.94 | 78.57 | d | 73.34 | a | 60.52 | 49.52 | a | 30.48 | b | 56.52 | |||||||
1984 | 36.14 | c | 41.89 | a | 45.73 | a | 54.45 | b | 67.77 | a | 74.90 | 76.32 | 74.79 | e | 66.48 | a | 54.81 | b | 48.29 | f | 41.56 | e | 57.71 | a | ||
1985 | 34.05 | a | 36.42 | c | 50.87 | a | 59.81 | a | 66.03 | 73.48 | 76.65 | d | 78.71 | c | 68.58 | 56.73 | 47.22 | a | 34.26 | d | 56.90 | |||||
1986 | 40.44 | 41.52 | d | 51.25 | a | 60.57 | 65.77 | 72.33 | 78.31 | b | 76.06 | e | 69.20 | 56.32 | a | 44.60 | 37.02 | 57.78 | ||||||||
1987 | 35.18 | a | 41.88 | 43.17 | k | 54.30 | 65.87 | a | 74.00 | 77.27 | 75.90 | a | 68.21 | a | 60.47 | 48.64 | a | 37.98 | d | 58.15 | a | |||||
1988 | 35.02 | a | 42.41 | 48.18 | 55.98 | 64.20 | a | 72.55 | 74.84 | 75.82 | 68.70 | 60.72 | a | 51.30 | b | 38.32 | 57.34 | |||||||||
1989 | 41.61 | 38.98 | 52.82 | 61.19 | a | 70.73 | 72.18 | 76.77 | 75.08 | 66.18 | 59.69 | 47.94 | e | 33.48 | 58.06 | |||||||||||
1990 | 39.50 | 42.45 | 47.42 | 56.83 | 64.34 | 80.58 | 73.97 | a | 73.90 | 69.62 | b | 57.28 | a | 48.48 | b | 36.52 | a | 57.57 | ||||||||
1991 | 34.90 | 45.41 | 50.47 | 57.90 | 70.00 | b | 75.17 | 75.95 | b | 75.11 | c | 65.07 | c | 59.50 | 42.97 | 39.16 | 57.63 | |||||||||
1992 | 36.68 | 45.38 | a | 51.35 | 58.55 | 64.05 | b | 71.84 | b | 76.79 | 74.40 | b | 68.61 | c | 60.14 | b | 42.35 | 38.75 | a | 57.41 | ||||||
1993 | 37.13 | a | 39.50 | b | 48.66 | b | 56.26 | a | 66.39 | 75.36 | b | 80.03 | 76.89 | 68.43 | b | 55.97 | a | 42.62 | 40.22 | a | 57.29 | |||||
1994 | 37.55 | a | 40.07 | a | 50.45 | 56.95 | 65.66 | 79.25 | 78.71 | b | 76.71 | 70.12 | a | 59.21 | 48.75 | 42.85 | a | 58.86 | ||||||||
1995 | 40.18 | 46.73 | 48.31 | 56.05 | 65.47 | 74.52 | 78.23 | 77.26 | 67.95 | a | 58.81 | 48.83 | a | 46.69 | m | 60.21 | a | |||||||||
1996 | 42.15 | k | 46.87 | c | 45.65 | 58.13 | 74.11 | 77.48 | 79.16 | 76.03 | 68.41 | b | 57.35 | a | 47.45 | b | 40.66 | c | 61.03 | a | ||||||
1997 | 37.26 | b | 38.11 | 50.32 | 51.02 | a | 65.23 | a | 74.09 | a | 77.88 | b | 75.50 | 72.80 | 58.95 | c | 44.90 | 35.84 | c | 56.82 | ||||||
1998 | 41.37 | a | 42.48 | a | 45.90 | 54.58 | 70.34 | 78.25 | 81.29 | 76.45 | 75.05 | 62.27 | a | 50.92 | 39.83 | b | 59.89 | |||||||||
1999 | 43.28 | b | 47.54 | 48.22 | a | 56.70 | 63.43 | c | 73.91 | a | 77.15 | 77.77 | 67.58 | d | 60.02 | b | 52.32 | 39.03 | b | 58.91 | ||||||
2000 | 41.34 | 48.45 | 50.87 | a | 58.97 | 71.58 | 74.30 | 78.77 | 78.40 | 72.40 | 60.91 | b | 41.27 | 35.45 | c | 59.39 | ||||||||||
2001 | 34.40 | 44.30 | 46.73 | 60.22 | 67.21 | 76.47 | 81.45 | 76.90 | 70.42 | 58.50 | 49.80 | b | 40.47 | 58.91 | ||||||||||||
2002 | 39.91 | b | 39.95 | 45.82 | a | 60.87 | 67.69 | 78.12 | 77.69 | 78.97 | 68.83 | 57.37 | 44.47 | 39.17 | b | 58.24 | ||||||||||
2003 | 41.58 | a | 41.45 | 49.74 | 58.76 | a | 69.16 | 72.88 | a | 78.52 | 78.81 | 67.96 | b | 62.63 | a | 48.43 | a | 41.07 | b | 59.25 | ||||||
2004 | 40.32 | 39.57 | 54.47 | 57.36 | b | 68.77 | a | 74.17 | 74.63 | 72.10 | a | 66.88 | 59.22 | a | 44.48 | 39.98 | 57.66 | |||||||||
2005 | 41.85 | 43.02 | 47.03 | 56.13 | 65.03 | a | 75.62 | 77.03 | 74.12 | b | 71.82 | 59.29 | 48.09 | a | 38.13 | 58.10 | ||||||||||
2006 | 42.27 | a | 41.91 | 49.32 | 61.18 | 70.15 | 76.90 | 78.19 | 76.50 | 66.18 | 57.58 | 48.52 | 39.50 | b | 59.02 | |||||||||||
2007 | 33.41 | b | 41.44 | b | 51.29 | 52.50 | 62.53 | a | 71.54 | c | 74.65 | 77.60 | 71.67 | a | 61.85 | 47.42 | 39.70 | a | 57.13 | |||||||
2008 | 36.08 | 42.54 | b | 49.48 | 55.18 | 65.71 | 77.70 | 75.10 | 74.42 | 65.30 | 57.47 | 47.87 | 39.66 | 57.21 | ||||||||||||
2009 | 40.61 | 45.77 | 50.24 | 55.72 | 65.97 | 75.53 | 77.55 | 76.24 | 66.50 | 55.35 | 48.40 | 33.06 | 57.58 | |||||||||||||
2010 | 36.26 | 35.55 | 46.11 | 57.07 | b | 64.18 | 77.97 | 75.26 | 76.00 | 72.63 | 59.66 | 45.82 | 41.85 | 57.36 | ||||||||||||
2011 | 36.50 | 37.29 | 52.19 | 60.78 | 66.27 | 80.10 | 81.44 | 82.16 | 69.88 | 59.15 | 47.12 | 34.18 | 58.92 | |||||||||||||
2012 | 41.13 | 41.05 | 54.05 | 62.57 | 68.32 | 77.63 | 77.95 | 78.52 | 69.35 | 57.29 | 50.10 | 40.89 | 59.90 | |||||||||||||
2013 | 37.76 | 39.45 | 48.42 | 54.18 | 66.26 | 76.18 | 75.19 | 76.16 | 70.98 | 57.31 | 43.68 | 36.65 | 56.85 | |||||||||||||
2014 | 36.97 | 40.04 | 45.92 | 56.13 | 64.45 | 75.62 | a | 75.94 | 75.81 | 67.97 | 60.32 | 42.88 | 40.45 | 56.87 | ||||||||||||
2015 | 35.15 | 41.45 | 46.85 | 56.27 | 61.55 | 73.08 | 76.89 | 75.74 | 72.43 | 59.76 | 45.98 | 40.08 | 57.10 | |||||||||||||
2016 | 37.97 | 43.29 | 51.06 | 55.95 | 61.98 | 73.70 | 81.16 | 74.18 | 68.70 | 61.13 | 49.73 | 37.52 | 58.03 | |||||||||||||
2017 | 38.65 | 46.59 | 53.08 | 57.28 | 62.92 | 75.22 | 76.44 | 72.40 | 67.38 | 57.77 | 50.67 | 38.45 | 58.07 | |||||||||||||
2018 | 34.48 | 40.29 | 50.15 | 54.17 | 70.65 | 78.53 | 77.21 | 75.56 | 67.42 | 56.44 | 41.45 | 37.19 | 56.96 | |||||||||||||
2019 | 37.92 | 41.00 | 45.81 | 56.17 | 61.94 | 72.33 | a | 77.71 | 79.24 | 72.92 | 53.35 | 43.17 | 40.79 | 56.86 | ||||||||||||
2020 | 39.48 | 37.79 | 52.16 | 55.23 | 67.94 | 75.72 | 81.11 | 79.29 | 65.68 | 56.40 | a | 50.48 | 37.84 | 58.26 | ||||||||||||
2021 | 36.21 | 35.32 | 47.79 | 55.33 | 66.15 | 76.03 | 74.61 | 75.18 | 71.73 | 60.11 | 48.68 | 45.55 | 57.73 | |||||||||||||
2022 | 34.44 | 34.93 | 46.00 | 58.85 | 69.35 | 76.97 | 80.92 | 76.68 | 70.78 | 57.27 | 43.45 | 38.76 | 57.37 | |||||||||||||
2023 | 39.58 | 40.75 | 48.97 | 55.27 | 66.92 | 73.53 | 80.69 | 81.05 | 73.02 | 59.08 | 47.63 | 41.29 | 58.98 | |||||||||||||
2024 | 35.06 | 44.97 | 48.89 | 57.38 | d | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 46.58 | h | |||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 37.92 | 41.51 | 49.06 | 56.90 | 66.41 | 75.42 | 77.80 | 76.49 | 69.40 | 58.53 | 46.89 | 38.77 | 57.93 | |||||||||||||
S.D. | 2.74 | 3.29 | 2.44 | 2.71 | 2.81 | 2.50 | 2.15 | 2.10 | 2.47 | 2.04 | 3.00 | 2.93 | 0.92 | |||||||||||||
SKEW | 0.12 | 0.08 | 0.30 | -0.10 | 0.51 | 0.36 | 0.24 | 0.32 | 0.24 | -0.18 | -0.26 | -0.57 | 0.52 | |||||||||||||
MAX | 43.28 | 48.45 | 54.47 | 62.57 | 74.11 | 80.83 | 81.95 | 82.16 | 75.05 | 62.63 | 52.32 | 45.55 | 59.90 | |||||||||||||
MIN | 33.41 | 34.93 | 45.65 | 50.00 | 61.55 | 71.54 | 73.97 | 72.10 | 65.07 | 53.35 | 41.27 | 30.48 | 56.52 | |||||||||||||
YRS | 43 | 45 | 44 | 45 | 44 | 44 | 44 | 44 | 44 | 44 | 43 | 42 | 38 |