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 | 37.81 | n | 36.47 | a | 36.47 | k |
1972 | 35.16 | 40.14 | 42.55 | 38.37 | 43.35 | 46.93 | 48.17 | a | 48.13 | a | 43.30 | 40.35 | 41.37 | 34.48 | 41.86 | |||||||||||
1973 | 35.90 | 38.57 | 37.77 | 38.00 | 43.58 | 47.33 | 48.45 | 48.32 | 47.40 | 40.55 | 39.97 | 39.48 | 42.11 | |||||||||||||
1974 | 31.48 | 34.75 | 37.29 | 38.67 | 42.23 | 46.30 | 49.32 | 50.23 | 46.63 | 38.32 | 38.83 | 37.71 | 40.98 | |||||||||||||
1975 | 37.39 | 37.11 | 37.26 | 36.67 | 42.71 | 46.10 | 50.87 | 49.81 | 47.03 | 45.13 | 36.70 | 37.77 | 42.05 | |||||||||||||
1976 | 35.42 | 34.34 | 35.42 | 36.97 | a | 41.29 | 42.97 | 48.61 | 51.42 | 48.39 | b | 41.94 | 42.17 | 31.07 | a | 40.83 | ||||||||||
1977 | 30.94 | 38.86 | 35.81 | 38.67 | 41.58 | 48.27 | 47.39 | 53.03 | 48.93 | 43.70 | a | 39.10 | 41.23 | 42.29 | ||||||||||||
1978 | 39.71 | 41.39 | 41.23 | 40.87 | 41.81 | 50.10 | 51.48 | 51.81 | 48.53 | 42.84 | 32.30 | 30.03 | 42.67 | |||||||||||||
1979 | 30.84 | 39.07 | a | 40.61 | 41.63 | 44.19 | 44.53 | 50.55 | 51.29 | 50.57 | 47.16 | 38.23 | 37.65 | 43.03 | ||||||||||||
1980 | 32.00 | 39.90 | 37.42 | 39.80 | 41.70 | a | 45.70 | 50.77 | 47.48 | 45.97 | 41.90 | 41.03 | 38.45 | 41.84 | ||||||||||||
1981 | 38.13 | 36.68 | 38.10 | 39.90 | 43.65 | 47.47 | 49.13 | 52.10 | 47.57 | 42.19 | 39.80 | 41.03 | 42.98 | |||||||||||||
1982 | 34.23 | 35.21 | 37.00 | 36.63 | 39.39 | 48.59 | a | 49.42 | 50.00 | 47.43 | b | 43.60 | a | 36.93 | 36.39 | 41.23 | ||||||||||
1983 | 37.03 | a | 40.89 | 43.13 | 38.17 | 44.10 | 47.50 | 51.26 | 50.84 | 45.33 | 43.45 | 42.80 | 38.74 | 43.60 | ||||||||||||
1984 | 35.52 | 37.75 | a | 40.55 | 39.60 | 42.26 | 45.43 | 46.47 | a | 48.65 | 44.60 | 43.13 | 39.23 | 33.57 | a | 41.40 | ||||||||||
1985 | 32.03 | 33.25 | 34.71 | 41.53 | 41.53 | a | 45.37 | 50.67 | a | 47.90 | b | 46.63 | 39.57 | a | 34.48 | a | 31.94 | 39.97 | ||||||||
1986 | 38.65 | 41.48 | a | 40.79 | b | 39.00 | 43.10 | 48.53 | 48.71 | c | 50.87 | 46.43 | 45.74 | 40.10 | 35.42 | 43.24 | ||||||||||
1987 | 34.61 | c | 36.70 | a | 39.39 | 40.67 | 46.90 | 46.73 | 50.23 | 49.39 | 47.47 | 42.52 | 41.57 | 36.03 | 42.68 | |||||||||||
1988 | 36.10 | 37.03 | 36.90 | 41.66 | a | 42.74 | 47.80 | 48.87 | 48.10 | 45.27 | 48.00 | 42.10 | 34.13 | 42.39 | ||||||||||||
1989 | 35.45 | 30.26 | a | 39.48 | 42.17 | 44.77 | 48.79 | a | 50.94 | 52.84 | 45.03 | a | 42.55 | 39.03 | a | 34.45 | 42.15 | |||||||||
1990 | 38.43 | a | 35.29 | 40.67 | a | 43.50 | 43.06 | 49.53 | 52.48 | 53.23 | 51.27 | 41.55 | 40.70 | 29.74 | 43.29 | |||||||||||
1991 | 32.23 | 41.86 | 36.68 | 40.90 | 43.55 | 46.13 | 50.52 | 52.74 | 46.27 | 40.55 | 42.47 | 35.29 | 42.43 | |||||||||||||
1992 | 37.29 | 41.10 | 42.35 | 44.63 | 44.23 | 49.69 | a | 53.00 | 49.94 | 46.73 | 42.84 | 41.33 | 36.03 | b | 44.10 | |||||||||||
1993 | 33.43 | h | 33.57 | 44.29 | 42.87 | 47.13 | 48.27 | 49.52 | 51.20 | a | 46.00 | 43.65 | 31.47 | 35.00 | 43.00 | a | ||||||||||
1994 | 37.00 | 35.04 | 37.58 | 41.60 | 46.00 | 47.47 | 49.38 | b | 50.35 | 49.57 | 40.87 | 34.37 | 38.45 | 42.31 | ||||||||||||
1995 | 41.77 | 41.71 | 38.97 | 40.57 | 45.61 | 47.47 | 53.84 | 48.48 | 51.37 | 42.10 | 45.17 | 41.65 | 44.89 | |||||||||||||
1996 | 39.45 | 40.41 | 38.39 | 42.43 | 42.71 | 46.87 | 50.26 | 49.03 | a | 45.30 | 43.48 | 41.47 | 39.42 | 43.27 | ||||||||||||
1997 | 36.29 | 36.64 | 39.26 | 40.70 | c | 46.97 | 48.53 | 50.84 | 52.27 | a | 51.87 | 45.68 | 42.62 | a | 33.10 | 43.73 | ||||||||||
1998 | 43.20 | a | 39.11 | 39.35 | 39.13 | 45.71 | 49.40 | 54.55 | 51.39 | 47.24 | a | 42.65 | 42.10 | 34.07 | a | 43.99 | ||||||||||
1999 | 36.60 | a | 38.25 | 36.19 | 37.73 | 40.45 | 47.13 | 48.84 | 53.29 | 43.93 | 39.77 | 42.90 | 36.29 | 41.78 | ||||||||||||
2000 | 36.23 | 39.59 | 34.87 | a | 40.52 | a | 45.13 | a | 47.63 | 51.23 | a | 50.29 | 47.40 | 43.67 | a | 36.47 | 35.77 | 42.40 | ||||||||
2001 | 34.48 | 33.96 | 38.35 | 38.52 | a | 41.94 | 45.57 | 49.90 | 52.31 | b | 47.50 | 41.06 | 42.00 | 38.55 | 42.01 | |||||||||||
2002 | 37.26 | 35.75 | 35.16 | 40.79 | a | 41.53 | a | 48.97 | 50.87 | 47.19 | 46.14 | a | 39.16 | 38.73 | 39.39 | 41.75 | ||||||||||
2003 | 41.53 | a | 35.33 | a | 42.68 | 40.70 | 43.52 | 46.53 | 50.23 | 50.29 | 46.23 | 45.58 | 37.97 | 38.26 | 43.24 | |||||||||||
2004 | 40.14 | b | 38.04 | a | 40.48 | 39.57 | 46.71 | c | 49.93 | b | 52.71 | 54.52 | 49.63 | 45.42 | 37.47 | 37.13 | 44.31 | |||||||||
2005 | 37.16 | 34.75 | 40.35 | 41.57 | 48.32 | 49.67 | 52.10 | 50.48 | 44.93 | 44.94 | 38.53 | 37.74 | 43.38 | |||||||||||||
2006 | 40.80 | a | 33.68 | 37.52 | 40.23 | 43.29 | 50.37 | 51.26 | 48.26 | 46.20 | 39.52 | 41.40 | 36.06 | 42.38 | ||||||||||||
2007 | 31.84 | 37.70 | a | 39.58 | 39.57 | 43.06 | 46.20 | 53.70 | a | 50.97 | 45.48 | a | 42.37 | a | 36.73 | 36.68 | c | 41.99 | ||||||||
2008 | 32.90 | 35.79 | 35.23 | 36.97 | 45.10 | a | 44.85 | j | 48.29 | c | 51.94 | 44.36 | b | 42.53 | a | 42.36 | b | 33.45 | 40.81 | a | ||||||
2009 | 33.68 | 35.46 | 36.48 | 38.00 | a | 44.03 | 50.80 | 51.90 | 51.39 | 48.07 | 43.70 | a | 37.90 | 32.00 | 41.95 | |||||||||||
2010 | 42.83 | a | 40.04 | 37.16 | 38.47 | 43.16 | 49.20 | 49.10 | 51.45 | 51.55 | a | 42.81 | 40.73 | 40.13 | 43.89 | |||||||||||
2011 | 36.23 | 33.75 | 40.94 | 38.23 | 42.10 | 47.80 | 50.87 | 51.52 | 48.62 | a | 45.65 | 38.67 | 30.16 | 42.04 | ||||||||||||
2012 | 34.74 | 36.28 | 36.71 | 43.07 | 42.90 | 47.93 | 53.42 | 50.84 | 45.53 | 44.10 | 43.17 | a | 38.55 | 43.10 | ||||||||||||
2013 | 32.87 | 35.93 | 38.97 | a | 42.93 | 46.13 | 49.60 | 51.48 | 53.84 | 52.87 | 42.29 | 38.90 | 30.33 | a | 43.01 | |||||||||||
2014 | 35.16 | 40.32 | 39.58 | 41.23 | 47.32 | 49.53 | 53.84 | 54.61 | 49.07 | 49.29 | 42.60 | 42.35 | 45.41 | |||||||||||||
2015 | 37.81 | 41.25 | 41.42 | 40.20 | 48.37 | a | 49.77 | 53.45 | 51.81 | 47.07 | 47.13 | 37.77 | 39.97 | a | 44.67 | |||||||||||
2016 | 38.90 | 41.34 | 41.32 | 43.93 | 46.84 | 49.50 | 52.87 | 50.61 | 46.83 | 50.00 | 45.60 | 32.81 | 45.05 | |||||||||||||
2017 | 33.27 | a | 40.25 | 41.84 | 41.07 | 45.94 | 50.37 | 50.97 | 53.04 | e | ----- | z | 43.43 | j | 41.13 | 33.26 | 43.11 | b | ||||||||
2018 | 40.42 | 34.57 | 36.26 | 40.80 | 47.94 | 47.43 | 52.16 | 53.23 | 45.00 | 43.45 | 38.97 | 36.45 | 43.06 | |||||||||||||
2019 | 36.61 | 33.39 | 35.06 | 43.93 | b | 46.77 | 48.20 | 53.29 | 53.29 | 52.43 | 39.48 | 36.67 | 37.74 | 43.07 | ||||||||||||
2020 | 40.13 | 34.31 | 35.77 | 41.03 | 45.61 | 50.03 | 51.65 | 51.39 | 51.20 | 43.39 | 37.67 | 34.90 | 43.09 | |||||||||||||
2021 | 37.42 | 38.18 | 35.00 | 37.00 | 43.90 | 50.73 | 53.26 | 51.97 | 46.70 | 45.13 | 41.73 | 38.39 | 43.28 | |||||||||||||
2022 | 36.00 | 34.54 | 39.81 | 37.87 | 43.94 | 49.87 | 53.71 | 55.06 | 50.93 | 47.03 | 34.31 | a | 37.19 | 43.35 | ||||||||||||
2023 | 36.29 | 32.04 | 34.45 | 39.97 | 47.19 | 47.73 | 52.87 | a | 54.23 | 48.80 | 46.13 | 39.77 | 42.29 | 43.48 | ||||||||||||
2024 | 42.84 | 41.28 | 39.32 | 39.43 | i | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 41.15 | i | |||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 36.55 | 37.24 | 38.56 | 40.18 | 44.17 | 48.01 | 50.95 | 51.13 | 47.54 | 43.33 | 39.57 | 36.31 | 42.80 | |||||||||||||
S.D. | 3.18 | 2.95 | 2.51 | 2.02 | 2.17 | 1.74 | 1.89 | 1.96 | 2.35 | 2.60 | 2.99 | 3.22 | 1.11 | |||||||||||||
SKEW | 0.19 | -0.09 | 0.20 | 0.14 | 0.17 | -0.50 | -0.11 | -0.11 | 0.56 | 0.40 | -0.56 | -0.22 | 0.10 | |||||||||||||
MAX | 43.20 | 41.86 | 44.29 | 44.63 | 48.37 | 50.80 | 54.55 | 55.06 | 52.87 | 50.00 | 45.60 | 42.35 | 45.41 | |||||||||||||
MIN | 30.84 | 30.26 | 34.45 | 36.63 | 39.39 | 42.97 | 46.47 | 47.19 | 43.30 | 38.32 | 31.47 | 29.74 | 39.97 | |||||||||||||
YRS | 52 | 53 | 53 | 52 | 52 | 51 | 52 | 52 | 51 | 51 | 52 | 53 | 49 |