YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1971 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 46.88 | n | 43.34 | b | 43.34 | k |
1972 | 43.35 | 48.38 | 51.60 | a | 47.79 | a | 54.13 | 58.80 | 61.93 | a | 62.09 | c | 59.05 | a | 54.34 | 50.70 | 43.03 | 52.93 | ||||||||
1973 | 44.74 | 50.09 | 46.90 | 51.55 | 55.94 | 59.72 | 61.20 | a | 60.56 | 61.30 | 53.77 | 46.77 | 47.03 | 53.30 | ||||||||||||
1974 | 40.85 | 43.93 | 46.85 | 48.45 | 52.94 | 56.60 | 60.42 | 61.73 | 60.48 | 53.37 | 48.77 | 45.37 | 51.65 | |||||||||||||
1975 | 45.19 | 45.12 | 45.35 | 45.15 | 52.90 | 56.82 | 61.06 | 60.18 | 59.15 | 53.92 | 45.98 | 45.02 | 51.32 | |||||||||||||
1976 | 44.79 | 43.50 | 44.52 | 46.55 | a | 52.58 | 54.12 | 60.03 | 60.84 | 59.91 | b | 54.47 | 52.05 | 43.13 | a | 51.37 | ||||||||||
1977 | 43.81 | 50.00 | 44.98 | 50.10 | 51.11 | 58.35 | 59.45 | 63.24 | 58.52 | 55.18 | a | 47.75 | 48.35 | 52.57 | ||||||||||||
1978 | 47.53 | 48.80 | 51.82 | 49.72 | 52.65 | 60.30 | 61.48 | a | 62.90 | 59.60 | 56.34 | 44.90 | 39.92 | 53.00 | ||||||||||||
1979 | 41.05 | 45.19 | a | 49.94 | 50.82 | 54.35 | 57.15 | 62.19 | 62.42 | 63.25 | 57.24 | 48.32 | 47.31 | 53.27 | ||||||||||||
1980 | 42.05 | 49.69 | 46.84 | 50.68 | 52.53 | a | 55.78 | 61.40 | 59.60 | 59.18 | 55.79 | 50.90 | 48.05 | 52.71 | ||||||||||||
1981 | 49.23 | 47.79 | 49.03 | 50.37 | 53.53 | 58.17 | 60.45 | 62.56 | 60.37 | 53.89 | 50.00 | 47.84 | 53.60 | |||||||||||||
1982 | 42.23 | 45.23 | 46.37 | 47.45 | 52.31 | 57.60 | a | 59.76 | 61.53 | 59.68 | b | 55.60 | a | 47.00 | 44.79 | 51.63 | ||||||||||
1983 | 46.23 | a | 49.02 | 51.02 | 49.90 | 54.31 | 57.85 | 60.87 | 62.73 | 59.42 | 55.65 | 50.42 | 44.92 | 53.53 | ||||||||||||
1984 | 46.05 | 47.20 | a | 50.24 | 48.68 | 53.47 | 56.17 | 59.90 | a | 61.94 | 59.67 | 53.40 | 48.30 | 42.08 | a | 52.26 | ||||||||||
1985 | 43.98 | 44.02 | 44.58 | 51.28 | 53.35 | a | 57.98 | 62.67 | a | 60.62 | b | 58.63 | 53.33 | a | 42.66 | a | 43.65 | 51.40 | ||||||||
1986 | 47.94 | 48.87 | a | 51.43 | b | 49.47 | 53.98 | 59.47 | 60.71 | c | 62.44 | 58.23 | 56.05 | 50.30 | 45.65 | 53.71 | ||||||||||
1987 | 44.43 | c | 46.41 | a | 49.48 | 52.52 | 56.69 | 58.07 | 59.92 | 61.53 | 59.57 | 56.45 | 50.82 | 43.53 | 53.28 | |||||||||||
1988 | 44.73 | 47.60 | 47.76 | 51.16 | a | 52.74 | 57.00 | 60.70 | a | 60.00 | 58.83 | 58.79 | 49.87 | 44.39 | 52.80 | |||||||||||
1989 | 44.00 | 39.85 | a | 47.71 | 53.72 | 54.29 | 58.84 | a | 60.24 | 62.05 | 59.86 | a | 54.89 | 50.02 | a | 46.06 | 52.63 | |||||||||
1990 | 46.25 | a | 43.88 | 49.88 | a | 52.45 | 53.39 | 58.05 | 62.85 | 63.65 | 62.58 | 53.87 | 49.27 | 38.73 | 52.90 | |||||||||||
1991 | 43.63 | 51.95 | 45.69 | 49.23 | 51.50 | 55.42 | 61.60 | 62.60 | 61.53 | 56.11 | 51.38 | 44.16 | 52.90 | |||||||||||||
1992 | 46.65 | 51.76 | 52.24 | 54.50 | 56.67 | a | 59.45 | a | 62.42 | 62.40 | 59.83 | 56.18 | 49.55 | 43.55 | b | 54.60 | ||||||||||
1993 | 42.63 | h | 44.62 | 52.05 | 51.12 | 56.68 | 58.10 | 59.50 | 62.02 | a | 58.13 | 55.85 | 44.23 | 44.37 | 53.33 | a | ||||||||||
1994 | 47.27 | 44.55 | 49.24 | 51.00 | 55.63 | 56.92 | 60.16 | b | 62.34 | 61.13 | 53.94 | 43.75 | 45.89 | 52.65 | ||||||||||||
1995 | 48.56 | 50.93 | 48.35 | 49.85 | 54.40 | 57.02 | a | 63.15 | 60.79 | 61.60 | a | 55.10 | 53.10 | a | 49.21 | 54.34 | ||||||||||
1996 | 46.37 | 49.60 | 49.16 | 52.19 | a | 52.61 | 57.52 | 61.44 | 61.12 | a | 58.77 | 54.68 | 49.97 | 47.08 | 53.37 | |||||||||||
1997 | 45.21 | 46.75 | 48.85 | 50.46 | c | 58.50 | 58.38 | 61.71 | 63.70 | a | 62.72 | 55.47 | 50.95 | a | 43.48 | 53.85 | ||||||||||
1998 | 48.75 | a | 46.89 | 48.50 | 49.08 | 53.06 | 57.02 | 62.55 | 61.77 | 59.84 | a | 55.18 | 49.63 | 41.57 | b | 52.82 | ||||||||||
1999 | 44.85 | a | 45.34 | 45.26 | 48.63 | 50.63 | 56.77 | 58.40 | 61.79 | 57.83 | 54.23 | 51.50 | 45.35 | 51.72 | ||||||||||||
2000 | 44.32 | 47.48 | 45.10 | a | 51.60 | a | 54.58 | a | 58.58 | 60.60 | a | 60.66 | 60.57 | 54.65 | a | 46.33 | 46.10 | 52.55 | ||||||||
2001 | 45.11 | 44.61 | 48.50 | 47.67 | a | 53.97 | 56.07 | 59.84 | 61.62 | b | 59.53 | 53.82 | 50.92 | 45.47 | 52.26 | |||||||||||
2002 | 44.32 | 46.68 | 44.85 | 50.34 | a | 51.72 | a | 58.12 | 62.03 | 60.45 | 60.41 | a | 52.34 | 51.43 | 47.76 | 52.54 | ||||||||||
2003 | 50.03 | a | 46.43 | a | 50.58 | 48.73 | 54.42 | 59.23 | 62.13 | 62.02 | 60.37 | 57.53 | a | 46.87 | 45.71 | 53.67 | ||||||||||
2004 | 46.78 | b | 46.71 | a | 50.95 | 51.87 | 55.88 | c | 58.93 | b | 63.76 | 65.08 | 60.62 | 55.39 | 47.68 | 46.47 | 54.18 | |||||||||
2005 | 45.40 | 47.89 | 51.27 | 50.42 | 56.71 | 58.37 | 63.05 | 62.03 | 58.52 | 55.65 | 48.55 | 46.24 | 53.67 | |||||||||||||
2006 | 47.72 | a | 45.96 | a | 45.18 | 49.75 | 54.73 | 59.62 | 61.92 | 59.56 | 59.57 | 53.27 | 48.97 | 45.34 | 52.63 | |||||||||||
2007 | 41.79 | 45.65 | a | 49.63 | 49.78 | 53.60 | 56.80 | 63.50 | a | 62.23 | 58.10 | a | 53.18 | a | 47.85 | 43.41 | c | 52.13 | ||||||||
2008 | 41.27 | 44.74 | 45.03 | 46.95 | 54.47 | a | 55.27 | j | 60.18 | c | 62.03 | 57.96 | b | 54.07 | b | 52.07 | b | 42.24 | 51.00 | a | ||||||
2009 | 45.31 | 45.62 | 45.32 | 48.19 | a | 54.30 | a | 58.80 | 62.19 | 62.47 | 61.17 | a | 54.13 | a | 48.38 | 42.23 | 52.34 | |||||||||
2010 | 49.38 | a | 48.80 | 47.88 | a | 47.80 | 52.00 | 57.27 | 59.40 | 60.90 | 61.95 | a | 54.58 | 47.78 | 47.26 | 52.92 | ||||||||||
2011 | 46.26 | 43.21 | 47.66 | 47.07 | 50.61 | 56.92 | 60.56 | 62.48 | 61.17 | a | 55.89 | 47.47 | 41.87 | 51.76 | ||||||||||||
2012 | 45.24 | 45.22 | 44.92 | 51.33 | 52.81 | 56.78 | 61.34 | 61.19 | 57.93 | 54.98 | 51.28 | a | 44.39 | 52.29 | ||||||||||||
2013 | 42.73 | 45.04 | 48.65 | a | 52.57 | 56.58 | 60.50 | 61.81 | 64.16 | 62.58 | 53.53 | 49.80 | 40.48 | a | 53.20 | |||||||||||
2014 | 47.24 | 48.96 | 50.79 | 52.60 | 58.38 | a | 59.93 | 64.21 | 65.15 | 63.02 | 59.97 | 52.00 | 49.50 | 55.98 | ||||||||||||
2015 | 48.68 | 51.77 | 52.77 | 50.95 | 56.97 | a | 60.43 | 65.31 | 64.26 | 59.98 | 59.44 | 48.78 | 47.25 | a | 55.55 | |||||||||||
2016 | 46.87 | 51.40 | 50.82 | 55.98 | 56.68 | 60.23 | 62.31 | 62.08 | a | 59.23 | 57.84 | 53.15 | 41.76 | 54.86 | ||||||||||||
2017 | 42.37 | a | 47.66 | 49.95 | 51.03 | 55.95 | 60.12 | 61.66 | 64.58 | e | ----- | z | 55.26 | j | 50.10 | 43.98 | 52.74 | b | ||||||||
2018 | 48.42 | 44.82 | 46.19 | 51.17 | 56.47 | 58.83 | 63.13 | 63.16 | 59.28 | 55.18 | 49.93 | 46.11 | 53.56 | |||||||||||||
2019 | 46.82 | 41.32 | 46.89 | 53.48 | b | 56.29 | 59.73 | 63.66 | 64.76 | 61.90 | 52.89 | 48.50 | 45.68 | 53.49 | ||||||||||||
2020 | 47.23 | 45.26 | 45.79 | 51.73 | 56.08 | 60.03 | 62.34 | 63.60 | a | 63.77 | 55.81 | 48.27 | 45.39 | 53.77 | ||||||||||||
2021 | 46.26 | 45.64 | 45.37 | 50.30 | 54.69 | 61.52 | 62.60 | 63.40 | 60.43 | 54.84 | 51.00 | 44.66 | 53.39 | |||||||||||||
2022 | 46.87 | 46.14 | 49.42 | 48.23 | 53.40 | 59.95 | 63.65 | 65.23 | 62.36 | a | 57.71 | 45.84 | a | 45.06 | 53.66 | |||||||||||
2023 | 45.24 | 42.64 | 42.94 | 49.12 | 56.12 | a | 57.85 | 63.58 | a | 65.74 | 60.83 | 57.19 | 50.12 | 49.74 | 53.43 | |||||||||||
2024 | 49.11 | 48.41 | 48.56 | 50.46 | f | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 48.70 | i | |||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 45.59 | 46.70 | 48.13 | 50.24 | 54.31 | 58.20 | 61.59 | 62.31 | 60.20 | 55.23 | 49.08 | 44.92 | 53.06 | |||||||||||||
S.D. | 2.31 | 2.67 | 2.51 | 2.10 | 1.92 | 1.52 | 1.45 | 1.49 | 1.52 | 1.67 | 2.33 | 2.39 | 1.00 | |||||||||||||
SKEW | -0.18 | 0.03 | -0.03 | 0.13 | 0.14 | -0.17 | 0.17 | 0.38 | 0.47 | 0.84 | -0.67 | -0.24 | 0.57 | |||||||||||||
MAX | 50.03 | 51.95 | 52.77 | 55.98 | 58.50 | 61.52 | 65.31 | 65.74 | 63.77 | 59.97 | 53.15 | 49.74 | 55.98 | |||||||||||||
MIN | 40.85 | 39.85 | 42.94 | 45.15 | 50.61 | 54.12 | 58.40 | 59.56 | 57.83 | 52.34 | 42.66 | 38.73 | 51.32 | |||||||||||||
YRS | 52 | 53 | 53 | 52 | 52 | 51 | 52 | 52 | 51 | 51 | 52 | 53 | 49 |