YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1970 | ----- | z | ----- | z | 40.61 | 38.27 | 48.42 | 54.10 | 56.35 | 53.48 | 51.60 | 45.52 | 44.47 | 37.74 | 47.06 | b | ||||||||||
1971 | 36.74 | 36.00 | 38.16 | 41.50 | 47.87 | 52.43 | 58.74 | 58.81 | 53.30 | 43.97 | 39.53 | 33.13 | 45.02 | |||||||||||||
1972 | 31.84 | 38.72 | 42.94 | 42.70 | 48.13 | 53.77 | 56.90 | 58.23 | 51.60 | 49.26 | 40.33 | 32.81 | 45.60 | |||||||||||||
1973 | 35.23 | 40.57 | 38.16 | 43.73 | 50.23 | 55.93 | 57.61 | 54.39 | 52.87 | 46.74 | 43.03 | 39.81 | 46.52 | |||||||||||||
1974 | 37.42 | 34.39 | 41.61 | 40.97 | 47.16 | 53.47 | 56.65 | 56.32 | 53.63 | 48.00 | 39.20 | 35.23 | 45.34 | |||||||||||||
1975 | 32.45 | 37.89 | 40.03 | 38.47 | 48.03 | 52.77 | 55.26 | 55.13 | 53.90 | 46.42 | 37.73 | 34.97 | 44.42 | |||||||||||||
1976 | 30.77 | 36.59 | 36.03 | 40.80 | 49.48 | 53.60 | 57.68 | 54.65 | 53.90 | 46.94 | 42.23 | 31.16 | 44.49 | |||||||||||||
1977 | 32.06 | 36.86 | 36.84 | 44.80 | 45.23 | 56.70 | 57.03 | 57.52 | 52.83 | 47.42 | 41.13 | 40.84 | 45.77 | |||||||||||||
1978 | 41.68 | 41.04 | 45.48 | 43.33 | 48.94 | 52.67 | 57.39 | 58.10 | 52.00 | 48.42 | 37.90 | 30.26 | 46.43 | |||||||||||||
1979 | 33.94 | 36.57 | 42.06 | 43.33 | 49.23 | 52.20 | 57.81 | 55.16 | 53.97 | 49.10 | 39.87 | 35.84 | 45.76 | |||||||||||||
1980 | 38.00 | 42.43 | f | 38.29 | 42.17 | 45.13 | 49.27 | 55.90 | 54.35 | 51.70 | 46.81 | 39.20 | 36.58 | 45.22 | a | |||||||||||
1981 | 37.55 | 38.86 | 40.32 | 43.97 | 50.68 | 59.97 | 56.58 | 56.07 | a | 55.30 | 45.52 | 45.90 | 40.87 | 47.63 | ||||||||||||
1982 | 32.90 | 37.93 | 38.61 | 41.27 | 48.32 | 51.53 | 56.39 | 56.58 | 55.55 | a | 48.33 | a | 39.70 | 37.35 | 45.37 | |||||||||||
1983 | 35.58 | 42.29 | 42.74 | 41.73 | 47.65 | 53.17 | a | 55.29 | 56.90 | 54.67 | 48.90 | a | 42.23 | 41.58 | 46.89 | |||||||||||
1984 | 35.48 | 35.45 | 41.47 | a | 41.43 | 50.77 | 54.00 | 60.03 | 56.58 | 54.80 | 45.81 | 40.43 | 34.55 | 45.90 | ||||||||||||
1985 | 31.57 | a | 34.19 | a | 36.94 | 45.47 | 46.29 | 56.17 | 60.06 | 53.23 | 51.60 | 47.40 | a | 38.50 | 32.87 | 44.52 | ||||||||||
1986 | 39.52 | 42.21 | 44.40 | a | 43.53 | 48.68 | 54.57 | 56.00 | a | 55.71 | 49.90 | 47.45 | 39.97 | 34.81 | 46.40 | |||||||||||
1987 | 33.53 | a | 37.25 | 38.71 | 44.23 | 51.10 | 54.40 | 54.13 | 55.45 | 52.33 | 50.39 | 41.52 | a | 37.67 | a | 45.89 | ||||||||||
1988 | 35.52 | 36.10 | 39.61 | 43.43 | 45.80 | a | 53.87 | 61.07 | a | 56.19 | 53.27 | 49.06 | 43.30 | 35.27 | a | 46.04 | ||||||||||
1989 | 32.63 | a | 33.04 | 42.52 | 46.20 | 47.94 | 55.33 | 56.52 | 55.03 | 51.79 | a | 46.29 | 39.27 | 32.23 | 44.90 | |||||||||||
1990 | 33.68 | 33.00 | 39.58 | 47.27 | 48.55 | 53.67 | 59.06 | 59.23 | 54.30 | 47.84 | 38.17 | 27.26 | 45.13 | |||||||||||||
1991 | 33.97 | 39.26 | a | 39.00 | 43.03 | 46.87 | 51.97 | 58.61 | 54.65 | 55.67 | 50.71 | 41.73 | 35.58 | 45.92 | ||||||||||||
1992 | 33.87 | 41.90 | 44.37 | a | 48.20 | 52.90 | 55.70 | 57.97 | ----- | z | 54.27 | 50.68 | 41.70 | 35.55 | 47.01 | a | ||||||||||
1993 | 34.97 | b | 38.21 | 45.68 | 45.23 | 50.45 | 55.33 | 57.52 | 55.52 | 52.10 | a | 50.00 | 38.40 | 34.52 | 46.49 | |||||||||||
1994 | 35.81 | 34.93 | 41.03 | 43.60 | 49.94 | 52.40 | 56.55 | 54.24 | b | 52.93 | 45.93 | b | 35.80 | 34.27 | a | 44.79 | ||||||||||
1995 | 44.48 | 41.25 | 41.03 | 43.23 | 48.84 | ----- | z | 56.87 | 56.03 | 53.87 | 47.03 | a | 43.53 | 41.20 | a | 47.03 | a | |||||||||
1996 | 38.30 | a | 42.21 | 40.68 | 43.80 | 48.65 | 53.83 | 59.13 | a | 57.48 | 51.83 | 47.97 | 44.20 | 42.39 | 47.54 | |||||||||||
1997 | 40.20 | a | 42.18 | f | 43.10 | 45.53 | 52.57 | a | 55.73 | 57.39 | 57.65 | 55.50 | 47.39 | 45.43 | 37.19 | 48.88 | a | |||||||||
1998 | 42.58 | 40.39 | 40.81 | 42.67 | 46.42 | 52.83 | 57.61 | 57.60 | a | 57.30 | 45.35 | 42.64 | b | 32.97 | 46.60 | |||||||||||
1999 | 35.90 | 36.33 | a | 39.03 | 42.83 | 46.71 | c | 53.45 | a | 54.68 | 56.55 | 55.14 | a | 47.77 | 43.23 | 34.37 | a | 45.50 | ||||||||
2000 | 38.77 | 41.69 | 41.13 | a | 45.10 | 50.26 | 55.50 | 55.42 | 56.68 | 54.13 | 48.03 | 38.10 | 37.13 | a | 46.83 | |||||||||||
2001 | 33.39 | 37.54 | 42.35 | 41.27 | 53.40 | a | 57.10 | 56.94 | 56.84 | 54.07 | 50.35 | 44.72 | a | 39.43 | a | 47.28 | ||||||||||
2002 | 34.87 | 36.93 | 38.13 | 44.27 | 48.23 | 55.27 | 57.45 | 54.94 | 52.97 | 45.35 | 41.37 | 41.32 | 45.92 | |||||||||||||
2003 | 43.06 | 36.43 | 42.80 | a | 41.77 | 49.23 | a | 55.93 | a | 61.06 | 57.65 | 55.97 | 50.03 | 41.20 | 40.10 | 47.94 | ||||||||||
2004 | 38.45 | 38.79 | 44.47 | a | 45.14 | a | 49.74 | 54.93 | 58.03 | 57.61 | 54.67 | 49.06 | 41.43 | 39.07 | a | 47.62 | ||||||||||
2005 | 36.90 | 41.39 | 43.06 | 41.93 | a | 50.94 | 53.00 | 60.35 | 57.39 | 51.27 | 48.03 | 41.10 | a | 40.19 | 47.13 | |||||||||||
2006 | 38.84 | 36.86 | 37.90 | 44.87 | 50.32 | 55.47 | 59.39 | 53.71 | 51.77 | 45.42 | 42.17 | 34.84 | 45.96 | |||||||||||||
2007 | 30.87 | 38.59 | a | 40.58 | 42.57 | 46.63 | a | 48.20 | 53.58 | 54.77 | 51.93 | 45.42 | 40.07 | a | 34.52 | 43.98 | ||||||||||
2008 | 36.29 | 35.83 | 37.58 | 39.03 | 47.26 | 53.10 | 55.97 | 56.39 | 52.66 | a | 47.03 | 43.23 | 33.00 | 44.78 | ||||||||||||
2009 | 34.63 | a | 36.96 | ----- | z | 40.00 | 49.16 | 52.28 | a | 56.13 | 55.55 | 55.31 | a | 47.55 | 39.17 | 35.81 | 45.69 | a | ||||||||
2010 | 39.90 | 41.50 | 37.77 | 39.97 | 44.35 | 54.27 | 55.81 | 53.32 | 52.77 | 50.00 | b | 40.00 | 42.73 | a | 46.03 | |||||||||||
2011 | 35.74 | 34.29 | 39.87 | 42.03 | 44.94 | 53.27 | 56.97 | 55.55 | 55.27 | 49.00 | 39.33 | 32.68 | 44.91 | |||||||||||||
2012 | 33.27 | a | 36.83 | 38.29 | 44.10 | 48.65 | 53.20 | 54.97 | 56.57 | a | 52.38 | a | 49.58 | 43.60 | 38.23 | 45.80 | ||||||||||
2013 | 31.00 | a | 33.36 | 39.65 | 46.07 | a | 51.03 | a | 56.03 | 58.33 | a | 55.90 | 53.97 | a | 43.94 | 40.79 | a | 30.55 | 45.05 | |||||||
2014 | 34.72 | b | 40.00 | 43.16 | 45.17 | 50.35 | 55.53 | 59.71 | 57.45 | 55.21 | b | 49.45 | 42.13 | 44.97 | 48.16 | |||||||||||
2015 | 38.10 | 41.46 | 43.55 | 43.67 | 48.21 | b | 56.93 | 59.57 | a | 56.53 | a | 54.81 | d | 51.47 | a | 38.07 | 36.62 | b | 47.41 | |||||||
2016 | 41.17 | b | 39.45 | 43.03 | 45.20 | 50.48 | 54.77 | 56.13 | 55.32 | 52.37 | 45.77 | a | 43.60 | 34.19 | 46.79 | |||||||||||
2017 | 36.97 | a | 41.61 | 42.35 | 44.77 | 49.48 | 56.50 | 58.61 | 59.58 | 56.07 | 45.70 | a | 42.53 | 34.00 | 47.35 | |||||||||||
2018 | 39.31 | b | 34.82 | 37.30 | a | 43.37 | 49.87 | 54.30 | 60.42 | 56.87 | a | 52.73 | 49.17 | a | 41.30 | 38.26 | 46.48 | |||||||||
2019 | 40.00 | 36.54 | 40.19 | 47.37 | 48.16 | 55.97 | a | 57.42 | 59.00 | 54.40 | 44.16 | 39.67 | 41.00 | 46.99 | ||||||||||||
2020 | 37.63 | a | 37.69 | 39.16 | 44.87 | 50.42 | 56.30 | 56.81 | 61.67 | m | 58.33 | x | 51.26 | 37.47 | 33.90 | 44.55 | b | |||||||||
2021 | 35.87 | 36.82 | 36.61 | 41.70 | 49.19 | 55.53 | 58.48 | 57.39 | 52.97 | 45.39 | 39.50 | 33.87 | 45.28 | |||||||||||||
2022 | 32.94 | 31.43 | 35.61 | 38.73 | 44.48 | 52.43 | 54.48 | 54.81 | 53.07 | 44.74 | 30.87 | 31.13 | 42.06 | |||||||||||||
2023 | 34.00 | a | 28.39 | 32.90 | 36.53 | 43.19 | 47.23 | 52.81 | 53.94 | 47.97 | 41.81 | 35.30 | 34.29 | 40.70 | ||||||||||||
2024 | 35.23 | 34.34 | 36.30 | a | 38.00 | f | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 35.29 | i | ||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 36.11 | 37.56 | 40.25 | 43.08 | 48.61 | 54.11 | 57.29 | 56.16 | 53.44 | 47.52 | 40.69 | 36.16 | 45.86 | |||||||||||||
S.D. | 3.27 | 3.08 | 2.74 | 2.40 | 2.17 | 2.19 | 1.87 | 1.56 | 1.70 | 2.11 | 2.71 | 3.66 | 1.41 | |||||||||||||
SKEW | 0.48 | -0.40 | -0.14 | -0.42 | -0.28 | -0.67 | 0.01 | 0.10 | -0.42 | -0.23 | -0.78 | 0.20 | -1.25 | |||||||||||||
MAX | 44.48 | 42.29 | 45.68 | 48.20 | 53.40 | 59.97 | 61.07 | 59.58 | 57.30 | 51.47 | 45.90 | 44.97 | 48.16 | |||||||||||||
MIN | 30.77 | 28.39 | 32.90 | 36.53 | 43.19 | 47.23 | 52.81 | 53.23 | 47.97 | 41.81 | 30.87 | 27.26 | 40.70 | |||||||||||||
YRS | 54 | 52 | 54 | 54 | 54 | 53 | 54 | 52 | 53 | 54 | 54 | 54 | 47 |