YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1970 | ----- | z | ----- | z | 52.87 | 52.85 | 64.10 | 69.95 | 75.85 | 73.40 | 69.60 | 60.55 | 53.82 | 44.58 | 61.76 | b | ||||||||||
1971 | 45.89 | 47.80 | 49.73 | 54.20 | 60.16 | 67.73 | 76.68 | 76.95 | 70.92 | 59.79 | 51.60 | 42.45 | 58.66 | |||||||||||||
1972 | 42.00 | 48.76 | 56.37 | 55.77 | 63.89 | 70.65 | 74.95 | 75.79 | 67.58 | 59.90 | 49.63 | 41.29 | 58.88 | |||||||||||||
1973 | 44.02 | 49.19 | a | 48.74 | 58.25 | 66.23 | 72.52 | 75.26 | 72.94 | 68.72 | 60.92 | 51.32 | 47.58 | 59.64 | ||||||||||||
1974 | 45.60 | 46.18 | 51.60 | 53.92 | 63.05 | 70.35 | 73.74 | 74.74 | 72.87 | 63.89 | 51.18 | 44.84 | 59.33 | |||||||||||||
1975 | 44.16 | 47.79 | 49.52 | 50.30 | 63.79 | 69.50 | 72.03 | 72.24 | 72.00 | 59.68 | 49.85 | 47.03 | 58.16 | |||||||||||||
1976 | 45.26 | 48.43 | 50.19 | 53.68 | 66.18 | 69.77 | 75.24 | 69.31 | 69.75 | 63.65 | 54.80 | 45.98 | 59.35 | |||||||||||||
1977 | 42.24 | 50.39 | 49.27 | 60.18 | 57.29 | 73.18 | 74.89 | 75.29 | 68.03 | 62.85 | 53.62 | 49.42 | 59.72 | |||||||||||||
1978 | 48.98 | 49.34 | 55.23 | 54.25 | 63.89 | 68.52 | 75.03 | 75.55 | 67.77 | 65.55 | 49.77 | 41.08 | 59.58 | |||||||||||||
1979 | 43.65 | 46.55 | 52.29 | 55.43 | 64.03 | 70.28 | 74.82 | 72.40 | 72.20 | 62.37 | 50.67 | 47.48 | 59.35 | |||||||||||||
1980 | 46.66 | 51.20 | f | 50.39 | 55.73 | 59.97 | 64.63 | 73.56 | 71.85 | 68.72 | 63.55 | 53.35 | 46.97 | 59.58 | a | |||||||||||
1981 | 45.89 | 50.23 | 51.08 | 58.42 | 65.53 | 76.57 | 75.79 | 74.57 | a | 71.78 | 59.18 | 54.87 | 49.08 | 61.08 | ||||||||||||
1982 | 42.13 | 49.23 | 48.98 | 53.38 | 64.42 | a | 66.47 | 73.24 | 73.55 | 69.72 | a | 61.48 | a | 48.73 | 46.18 | 58.13 | ||||||||||
1983 | 43.90 | 50.14 | 51.05 | 52.38 | 62.95 | 69.33 | a | 71.66 | 74.23 | 71.30 | 63.60 | a | 51.85 | 48.37 | 59.23 | |||||||||||
1984 | 46.58 | 47.19 | 55.17 | a | 55.15 | 67.15 | 70.72 | 78.47 | 74.85 | 73.07 | 59.03 | 49.63 | 43.31 | 60.03 | ||||||||||||
1985 | 41.63 | a | 48.20 | a | 48.92 | 60.50 | 61.85 | 73.98 | 77.92 | 71.69 | 66.20 | 61.93 | a | 49.10 | 42.13 | 58.67 | ||||||||||
1986 | 48.72 | a | 51.75 | 56.07 | a | 57.02 | 64.03 | 70.93 | 73.30 | a | 75.58 | 64.88 | 62.35 | 54.87 | 45.05 | 60.38 | ||||||||||
1987 | 44.29 | n | 48.70 | 51.00 | 61.40 | 66.97 | 71.93 | 70.76 | 73.95 | 70.63 | 65.79 | 51.97 | a | 45.62 | a | 61.70 | a | |||||||||
1988 | 45.67 | a | 50.78 | 54.71 | 57.23 | 60.18 | a | 69.48 | 79.42 | a | 74.15 | 71.43 | 65.61 | 52.45 | 45.73 | a | 60.57 | |||||||||
1989 | 43.88 | a | 44.41 | 52.48 | 60.48 | 62.85 | 70.45 | 75.68 | 72.90 | 68.16 | a | 60.85 | 53.63 | 44.85 | 59.22 | |||||||||||
1990 | 45.00 | 45.36 | 53.65 | 61.62 | 62.26 | 70.25 | 76.98 | 75.92 | 71.85 | 65.19 | 51.95 | 40.73 | 60.06 | |||||||||||||
1991 | 46.05 | a | 53.06 | a | 48.35 | a | 56.22 | 61.10 | 67.90 | 76.68 | 71.79 | 74.40 | 68.00 | 54.88 | 46.24 | 60.39 | ||||||||||
1992 | 43.61 | 52.38 | 54.98 | a | 61.83 | 69.87 | 71.18 | 75.02 | ----- | z | 72.47 | 65.94 | 54.18 | 44.61 | 60.55 | a | ||||||||||
1993 | 44.10 | b | 47.68 | 56.68 | 57.67 | 63.37 | 70.85 | 74.77 | 73.63 | 70.97 | a | 64.27 | 52.23 | 44.55 | 60.06 | |||||||||||
1994 | 47.29 | 46.41 | 55.31 | 58.20 | 64.16 | 70.50 | 76.31 | 74.72 | b | 71.43 | 62.00 | b | 46.87 | 43.12 | a | 59.69 | ||||||||||
1995 | 49.44 | 51.39 | 50.89 | 55.88 | 61.24 | ----- | z | 73.84 | 74.89 | 71.87 | 63.98 | a | 57.77 | 50.33 | a | 60.14 | a | |||||||||
1996 | 48.27 | a | 51.69 | 53.90 | 57.73 | 63.42 | 71.33 | 78.45 | a | 77.27 | 69.97 | 62.94 | 54.82 | 50.24 | 61.67 | |||||||||||
1997 | 47.88 | a | 53.80 | f | 56.87 | 59.52 | 69.50 | a | 71.87 | 75.76 | 74.35 | 72.53 | 62.18 | 55.23 | 47.23 | 62.99 | a | |||||||||
1998 | 48.98 | 47.84 | 52.79 | 54.88 | 56.45 | 66.07 | 75.81 | 76.45 | a | 72.73 | 60.77 | 52.27 | b | 44.34 | 59.12 | |||||||||||
1999 | 45.53 | 46.35 | a | 50.05 | 56.25 | 62.88 | c | 70.05 | a | 73.40 | 73.60 | 73.41 | a | 65.08 | 54.60 | 48.52 | a | 59.98 | ||||||||
2000 | 48.27 | 49.39 | a | 53.42 | a | 59.73 | 64.98 | 73.22 | 72.69 | 75.03 | 70.27 | 61.61 | 49.30 | 47.92 | a | 60.49 | ||||||||||
2001 | 44.92 | a | 47.57 | 55.90 | 55.25 | 70.90 | a | 73.67 | 74.47 | 76.02 | 71.95 | 66.58 | 55.24 | a | 47.32 | a | 61.65 | |||||||||
2002 | 45.15 | 50.02 | 51.79 | 58.08 | 63.60 | 72.92 | 76.71 | 74.73 | 72.43 | 62.82 | 55.13 | 49.65 | 61.09 | |||||||||||||
2003 | 51.60 | 49.09 | 55.83 | a | 53.13 | 63.98 | a | 73.14 | a | 80.24 | 75.13 | 74.67 | 68.39 | 51.47 | 48.06 | 62.06 | ||||||||||
2004 | 47.00 | 49.19 | 59.77 | a | 60.47 | a | 65.40 | 72.55 | 76.15 | 75.92 | 72.77 | 62.55 | 52.62 | 48.90 | a | 61.94 | ||||||||||
2005 | 45.42 | 51.84 | 55.45 | 56.16 | a | 63.85 | 67.58 | 79.92 | 77.18 | 69.17 | 63.44 | 55.53 | a | 49.68 | 61.27 | |||||||||||
2006 | 49.02 | 50.70 | 47.76 | 55.47 | 66.26 | 73.37 | 79.47 | 73.08 | 70.78 | 61.35 | 53.73 | 46.68 | 60.64 | |||||||||||||
2007 | 45.35 | 49.83 | a | 56.65 | 58.48 | 65.33 | a | 69.28 | 74.13 | 75.27 | 69.08 | 60.08 | 55.78 | a | 45.74 | 60.42 | ||||||||||
2008 | 45.15 | 48.74 | 53.31 | 56.10 | 64.63 | 72.28 | 76.10 | 76.97 | 72.45 | a | 64.10 | 55.87 | 44.65 | 60.86 | ||||||||||||
2009 | 48.82 | a | 47.98 | ----- | z | 56.53 | 66.27 | 68.78 | a | 76.44 | 75.37 | 74.95 | a | 61.63 | 53.32 | 45.52 | 61.42 | a | ||||||||
2010 | 47.56 | 50.89 | 52.03 | 52.50 | 58.74 | 70.70 | 75.37 | 72.66 | 71.48 | 64.07 | b | 53.23 | 49.82 | a | 59.92 | |||||||||||
2011 | 46.63 | 47.55 | 50.53 | 56.17 | 59.45 | 67.35 | 73.94 | 74.68 | 74.32 | 63.42 | 51.05 | 46.84 | 59.33 | |||||||||||||
2012 | 47.83 | a | 50.57 | 50.03 | 57.67 | 65.34 | 70.63 | 74.00 | 77.48 | a | 72.57 | a | 64.98 | 54.77 | 47.65 | 61.13 | ||||||||||
2013 | 44.08 | a | 48.73 | 54.63 | 61.33 | a | 66.17 | a | 72.13 | 77.75 | a | 74.10 | 70.57 | a | 61.47 | 54.83 | a | 46.26 | 61.00 | |||||||
2014 | 51.76 | b | 51.50 | 56.23 | 59.67 | 67.32 | 73.25 | 77.85 | 75.79 | 72.68 | b | 65.76 | 54.92 | 52.24 | 63.25 | |||||||||||
2015 | 50.27 | 54.98 | 58.71 | 59.22 | 63.53 | b | 74.63 | 76.52 | a | 75.28 | a | 72.77 | d | 67.40 | a | 51.37 | 46.67 | b | 62.61 | |||||||
2016 | 48.74 | b | 53.34 | 54.73 | 59.82 | 64.79 | 73.28 | 75.85 | 75.48 | 71.77 | 60.32 | a | 54.80 | 45.63 | 61.55 | |||||||||||
2017 | 45.80 | a | 50.29 | 54.76 | 56.77 | 65.18 | 73.33 | 78.52 | 78.39 | 72.60 | 63.27 | a | 53.32 | 48.03 | 61.69 | |||||||||||
2018 | 48.91 | b | 50.46 | 50.08 | a | 57.70 | 64.92 | 72.08 | 79.53 | 75.62 | a | 71.75 | 65.07 | a | 55.97 | 48.11 | 61.68 | |||||||||
2019 | 49.53 | 45.41 | 51.00 | 60.82 | 60.85 | 73.00 | a | 75.63 | 76.84 | 71.20 | 61.71 | 55.55 | 48.84 | 60.87 | ||||||||||||
2020 | 48.33 | a | 52.98 | 51.37 | 59.58 | 66.10 | 73.35 | 76.50 | 80.11 | m | 75.83 | x | 69.65 | 52.62 | 47.81 | 59.83 | b | |||||||||
2021 | 48.02 | 50.41 | 50.85 | 59.80 | 67.27 | 74.53 | 79.13 | 77.45 | 72.78 | 60.03 | 52.90 | 44.44 | 61.47 | |||||||||||||
2022 | 47.10 | 49.32 | 53.61 | 56.17 | 62.85 | 71.75 | 75.31 | 76.11 | 72.75 | 64.76 | 47.70 | 43.16 | 60.05 | |||||||||||||
2023 | 45.88 | a | 43.73 | 45.29 | 54.65 | 60.45 | 65.78 | 75.63 | 75.19 | 67.95 | 61.02 | 51.43 | 47.65 | 57.89 | ||||||||||||
2024 | 47.16 | 47.26 | 50.20 | a | 53.11 | k | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 48.21 | i | ||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 46.44 | 49.21 | 52.65 | 57.07 | 63.91 | 70.93 | 75.80 | 74.78 | 71.14 | 63.12 | 52.85 | 46.41 | 60.30 | |||||||||||||
S.D. | 2.38 | 2.33 | 3.02 | 2.75 | 2.89 | 2.47 | 2.14 | 1.77 | 2.13 | 2.46 | 2.36 | 2.52 | 1.22 | |||||||||||||
SKEW | 0.05 | -0.03 | 0.09 | -0.16 | -0.21 | -0.41 | 0.10 | -0.53 | -0.73 | 0.49 | -0.46 | -0.26 | 0.13 | |||||||||||||
MAX | 51.76 | 54.98 | 59.77 | 61.83 | 70.90 | 76.57 | 80.24 | 78.39 | 74.95 | 69.65 | 57.77 | 52.24 | 63.25 | |||||||||||||
MIN | 41.63 | 43.73 | 45.29 | 50.30 | 56.45 | 64.63 | 70.76 | 69.31 | 64.88 | 59.03 | 46.87 | 40.73 | 57.89 | |||||||||||||
YRS | 53 | 52 | 54 | 54 | 54 | 53 | 54 | 52 | 53 | 54 | 54 | 54 | 46 |