YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1980 | 42.48 | 50.07 | 51.68 | 60.87 | 62.13 | 64.10 | 71.03 | 68.10 | 67.63 | 63.06 | 53.73 | 48.13 | 58.58 | |||||||||||||
1981 | 49.52 | 51.54 | 57.30 | a | 57.59 | a | 61.65 | 65.20 | 69.55 | 76.16 | 69.00 | 59.35 | 53.50 | 47.19 | 59.80 | |||||||||||
1982 | 43.65 | 48.21 | 51.97 | 54.87 | 62.81 | 67.57 | 68.55 | 72.90 | 70.43 | 61.00 | 49.17 | 45.71 | 58.07 | |||||||||||||
1983 | 49.81 | 52.68 | 55.65 | 60.80 | 64.97 | 66.40 | 70.45 | 72.84 | 67.10 | 60.48 | 52.41 | a | 40.97 | 59.55 | ||||||||||||
1984 | 49.19 | 50.72 | 56.00 | 56.27 | 60.00 | 64.30 | 72.52 | 72.71 | 69.10 | 57.77 | 51.00 | 44.03 | 58.63 | |||||||||||||
1985 | 45.45 | 47.29 | 52.10 | 57.70 | 62.26 | 67.03 | 75.45 | 72.65 | 67.27 | 59.87 | 44.32 | b | 43.06 | 57.87 | ||||||||||||
1986 | 50.90 | 49.21 | 57.10 | a | 56.67 | 62.13 | 70.00 | 66.03 | 74.23 | e | 67.13 | 63.68 | 53.03 | 48.06 | 59.85 | |||||||||||
1987 | 47.39 | 53.44 | a | 57.39 | 61.57 | 65.42 | 68.83 | 68.93 | a | 73.58 | 72.10 | 67.52 | 54.20 | 46.94 | 61.44 | |||||||||||
1988 | 47.87 | 52.38 | 55.61 | 59.67 | 62.26 | 66.30 | 72.06 | 72.19 | 69.17 | 62.81 | 52.07 | 47.42 | 59.98 | |||||||||||||
1989 | 46.68 | 42.64 | 50.35 | 62.20 | 63.23 | 69.73 | 69.00 | 70.61 | 74.77 | 61.23 | 52.87 | 50.52 | 59.49 | |||||||||||||
1990 | 51.10 | 47.04 | 56.68 | 58.63 | 61.06 | 65.37 | 75.16 | 73.81 | 72.83 | 60.58 | 55.33 | 41.74 | 59.94 | |||||||||||||
1991 | 47.29 | 56.64 | 51.27 | a | 56.27 | 59.26 | 62.83 | 71.00 | 70.32 | 73.70 | 63.03 | 53.10 | 48.97 | 59.47 | ||||||||||||
1992 | 49.87 | 55.83 | 60.71 | 61.13 | 68.97 | 71.00 | 73.00 | 74.19 | 68.37 | 61.94 | 51.83 | 44.65 | 61.79 | |||||||||||||
1993 | 41.71 | 50.71 | 56.48 | 56.83 | 66.42 | 66.37 | 66.48 | 72.90 | a | 71.63 | 63.03 | 49.00 | 46.10 | a | 58.97 | |||||||||||
1994 | 51.03 | 46.54 | 57.48 | 58.17 | 64.97 | 66.03 | 70.81 | 73.03 | 72.30 | 60.48 | 47.57 | 46.06 | 59.54 | |||||||||||||
1995 | 50.45 | 52.75 | 55.52 | 57.63 | 64.84 | 67.23 | 72.55 | 70.06 | 72.62 | a | 60.52 | 55.07 | 47.65 | 60.57 | ||||||||||||
1996 | 45.71 | 51.03 | 55.19 | 58.63 | 59.06 | 66.30 | 74.94 | 74.32 | 67.27 | 59.48 | 49.57 | 46.68 | 59.02 | |||||||||||||
1997 | 47.06 | 50.75 | 52.61 | 57.97 | 67.19 | 66.73 | 72.03 | 75.03 | 71.97 | 59.13 | 56.03 | 47.61 | 60.34 | |||||||||||||
1998 | 47.74 | 52.04 | 54.45 | 58.73 | 61.03 | 64.47 | 70.97 | 74.90 | 72.07 | 60.68 | 51.60 | 45.45 | 59.51 | |||||||||||||
1999 | 47.58 | 48.18 | 50.71 | 57.97 | 59.94 | 63.13 | 68.58 | 71.00 | 70.93 | 60.42 | 53.17 | 47.23 | 58.24 | |||||||||||||
2000 | 45.00 | 49.86 | 52.71 | 59.67 | 61.06 | 67.73 | 70.68 | 70.52 | 68.50 | 59.77 | 48.63 | 46.35 | 58.37 | |||||||||||||
2001 | 47.23 | 50.00 | 54.35 | 55.20 | 63.94 | 64.13 | 67.52 | 70.35 | 68.30 | 57.68 | 51.89 | b | 46.52 | b | 58.09 | |||||||||||
2002 | 46.50 | e | 50.14 | 49.70 | a | 57.97 | a | 60.80 | a | 67.93 | b | 72.48 | 72.94 | 70.30 | 59.71 | 54.27 | 48.23 | a | 59.25 | |||||||
2003 | 52.24 | b | 51.33 | a | 53.90 | 55.90 | 63.03 | 70.90 | 75.35 | 74.39 | 71.93 | 61.83 | a | 48.31 | a | 46.71 | c | 60.49 | ||||||||
2004 | 46.34 | b | 51.66 | 56.55 | 64.17 | a | 63.13 | 69.14 | a | 75.06 | 73.23 | 66.83 | 59.68 | 51.07 | a | 48.03 | a | 60.41 | ||||||||
2005 | 48.50 | a | 52.89 | 57.68 | 57.17 | 64.57 | a | 66.00 | a | 72.61 | 72.84 | 67.13 | 59.29 | 48.93 | b | 45.87 | a | 59.46 | ||||||||
2006 | 49.81 | d | 49.19 | a | 52.39 | 58.13 | 64.32 | 69.23 | 72.68 | 70.97 | 70.43 | 59.65 | 51.17 | 46.58 | 59.55 | |||||||||||
2007 | 46.23 | 49.29 | 53.81 | 56.20 | 62.52 | 65.03 | 72.61 | 70.65 | 66.37 | 57.45 | 50.00 | 45.94 | 58.01 | |||||||||||||
2008 | 44.26 | 50.76 | 49.48 | 54.53 | 62.84 | 62.24 | a | 70.06 | 71.77 | 71.30 | 58.30 | a | 54.13 | 43.84 | 57.79 | |||||||||||
2009 | 47.90 | a | 48.32 | 49.39 | 57.77 | 63.13 | 68.33 | 72.86 | b | 70.52 | 71.63 | 59.50 | a | 52.37 | 43.54 | e | 58.77 | |||||||||
2010 | 51.06 | 53.14 | 55.06 | 55.70 | 58.55 | 63.63 | 67.26 | 69.06 | 67.23 | 60.16 | 49.23 | 47.67 | a | 58.15 | ||||||||||||
2011 | 47.10 | 46.15 | b | 51.39 | 52.87 | 58.77 | 63.70 | 69.32 | 71.32 | 71.87 | 59.19 | 49.93 | 43.48 | 57.09 | ||||||||||||
2012 | 45.68 | 49.79 | 50.13 | 57.47 | 62.52 | 62.73 | 68.29 | 73.47 | a | 71.03 | 59.97 | 52.47 | 45.61 | 58.26 | ||||||||||||
2013 | 42.97 | 49.04 | 54.39 | 56.30 | 63.13 | 68.07 | 69.61 | 72.26 | 68.57 | 61.74 | 52.57 | 43.63 | a | 58.52 | ||||||||||||
2014 | 49.84 | 47.32 | 55.68 | 58.80 | 65.71 | 66.27 | 73.61 | 74.84 | 74.03 | 65.32 | 53.57 | 50.26 | 61.27 | |||||||||||||
2015 | 53.42 | 56.68 | 59.13 | 59.73 | 62.29 | 72.47 | 75.94 | 77.16 | 68.69 | a | 64.61 | 50.63 | 49.06 | 62.48 | ||||||||||||
2016 | 50.03 | 54.38 | 56.42 | 63.23 | 66.35 | 68.97 | 69.74 | 74.52 | 68.47 | 60.10 | 55.00 | 44.19 | 60.95 | |||||||||||||
2017 | 44.16 | 48.75 | 51.68 | 57.00 | 63.19 | 68.10 | 71.90 | 76.29 | 72.40 | 61.71 | 51.43 | 46.58 | 59.43 | |||||||||||||
2018 | 50.03 | 47.75 | 52.68 | 58.20 | 64.97 | 66.20 | 73.32 | 73.16 | 69.13 | 61.35 | 53.60 | 49.35 | 59.98 | |||||||||||||
2019 | 51.45 | 43.18 | 57.06 | 57.83 | 66.17 | a | 66.63 | 70.58 | 73.84 | 67.03 | 57.77 | 53.79 | a | 47.61 | 59.41 | |||||||||||
2020 | 49.81 | 51.31 | 51.42 | 59.60 | 65.23 | 66.80 | 70.06 | 72.65 | 72.80 | 61.68 | 52.07 | 50.10 | 60.29 | |||||||||||||
2021 | 49.29 | 46.39 | 52.13 | 60.60 | 61.39 | 73.00 | 70.16 | 72.32 | 70.30 | 58.52 | 54.10 | 44.32 | 59.38 | |||||||||||||
2022 | 48.68 | 49.96 | 53.35 | 53.47 | 58.19 | 66.53 | 74.06 | 76.23 | 73.47 | 66.45 | 49.57 | 45.32 | 59.61 | |||||||||||||
2023 | 48.16 | 47.00 | 51.39 | 54.40 | 66.45 | 66.30 | 74.13 | 76.97 | 69.43 | 61.65 | 50.83 | 50.58 | 59.77 | |||||||||||||
2024 | 47.06 | 50.52 | 53.45 | 56.76 | m | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 50.34 | i | |||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 47.89 | 50.10 | 54.03 | 58.00 | 63.00 | 66.80 | 71.34 | 72.90 | 70.10 | 60.89 | 51.78 | 46.44 | 59.44 | |||||||||||||
S.D. | 2.68 | 3.01 | 2.78 | 2.45 | 2.50 | 2.53 | 2.53 | 2.08 | 2.31 | 2.25 | 2.39 | 2.27 | 1.14 | |||||||||||||
SKEW | -0.32 | -0.05 | 0.19 | 0.31 | 0.05 | 0.38 | -0.07 | 0.00 | 0.11 | 0.97 | -0.67 | -0.23 | 0.41 | |||||||||||||
MAX | 53.42 | 56.68 | 60.71 | 64.17 | 68.97 | 73.00 | 75.94 | 77.16 | 74.77 | 67.52 | 56.03 | 50.58 | 62.48 | |||||||||||||
MIN | 41.71 | 42.64 | 49.39 | 52.87 | 58.19 | 62.24 | 66.03 | 68.10 | 66.37 | 57.45 | 44.32 | 40.97 | 57.09 | |||||||||||||
YRS | 45 | 45 | 45 | 44 | 44 | 44 | 44 | 44 | 44 | 44 | 44 | 44 | 44 |