YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1970 | ----- | z | 44.95 | r | 42.79 | 43.97 | 53.39 | 61.10 | 63.11 | 62.26 | 54.83 | 49.31 | 42.10 | 33.31 | 50.62 | b | ||||||||||
1971 | 33.26 | 37.41 | 37.77 | 46.67 | 54.39 | 54.59 | a | 63.11 | 64.84 | 55.43 | i | 47.31 | 40.15 | 32.81 | 46.57 | a | ||||||||||
1972 | 30.87 | 36.57 | 40.70 | h | 43.10 | 55.61 | 57.58 | 62.47 | 63.34 | 51.84 | h | 47.13 | 40.42 | 31.22 | a | 46.83 | b | |||||||||
1973 | 33.58 | 41.70 | 43.11 | h | 47.03 | 53.98 | 57.00 | 62.37 | 59.39 | 58.31 | d | 48.82 | 36.25 | 38.94 | d | 48.85 | a | |||||||||
1974 | 32.82 | 38.27 | 40.71 | g | 46.97 | 50.03 | 58.60 | 60.84 | 62.95 | 62.36 | h | 51.24 | 42.20 | 38.16 | 48.21 | b | ||||||||||
1975 | 34.08 | a | 36.21 | 39.58 | g | 44.18 | 53.18 | a | 56.10 | 63.98 | 59.85 | 60.62 | f | 47.71 | 38.25 | 37.71 | 47.13 | b | ||||||||
1976 | 36.85 | 37.07 | 39.61 | h | 47.15 | 53.37 | a | 55.00 | 61.08 | 60.10 | 58.66 | h | 50.11 | 43.45 | 38.39 | 48.26 | b | |||||||||
1977 | 33.27 | 43.41 | 40.37 | h | 50.93 | 51.35 | 60.25 | 60.08 | 65.53 | 56.52 | g | 49.32 | 38.05 | 36.74 | 48.90 | b | ||||||||||
1978 | 38.10 | 41.46 | 45.76 | 48.35 | g | 52.19 | 61.42 | 63.82 | 61.77 | 55.31 | f | 52.48 | b | 36.62 | 31.00 | 48.46 | b | |||||||||
1979 | 31.16 | 35.02 | 45.48 | f | 47.55 | 55.15 | 57.97 | 63.62 | b | 63.17 | b | 61.09 | g | 51.74 | 41.08 | 39.42 | 48.59 | b | ||||||||
1980 | 30.71 | 40.60 | 40.98 | h | 51.62 | 54.10 | 56.55 | 62.27 | 60.83 | a | 58.50 | h | 52.31 | 42.65 | 38.81 | 49.04 | b | |||||||||
1981 | 43.34 | 40.12 | 46.59 | h | 46.92 | 53.66 | 55.52 | 62.69 | 66.15 | 61.20 | h | 47.65 | a | 43.02 | 35.89 | 49.50 | b | |||||||||
1982 | 33.08 | 35.57 | a | 41.85 | h | 45.17 | 53.19 | 60.97 | 61.11 | 62.45 | a | 58.52 | h | 50.13 | 38.09 | a | 35.75 | a | 47.55 | b | ||||||
1983 | 39.30 | a | 41.70 | 45.17 | g | 48.80 | 56.39 | 56.92 | 60.11 | 63.29 | 54.54 | g | 49.27 | 41.67 | 29.93 | a | 48.74 | b | ||||||||
1984 | 37.19 | 40.29 | 45.18 | 46.28 | g | 50.71 | 57.27 | 62.60 | 62.76 | 56.14 | h | 46.47 | 38.48 | b | 32.32 | 47.33 | b | |||||||||
1985 | 35.32 | 34.38 | 40.31 | g | 47.28 | 54.19 | b | 58.50 | 66.68 | a | 62.63 | 55.04 | g | 46.89 | 31.75 | 33.18 | 47.08 | b | ||||||||
1986 | 40.85 | 38.34 | 46.52 | h | 45.50 | 53.48 | 60.31 | a | 60.02 | a | 65.60 | 55.76 | k | 52.47 | a | 41.22 | a | 36.88 | b | 49.47 | b | |||||
1987 | 35.62 | a | 42.26 | a | 44.48 | g | 51.27 | 54.38 | a | 61.75 | b | 62.19 | 62.95 | 60.43 | g | 51.73 | 44.62 | 33.60 | b | 50.04 | b | |||||
1988 | 35.15 | a | 40.97 | 42.42 | g | 48.41 | a | 53.98 | 57.62 | 62.05 | 62.34 | 58.87 | g | 53.38 | a | 40.08 | 36.63 | 49.06 | b | |||||||
1989 | 35.45 | a | 31.84 | 39.59 | h | 50.05 | 52.19 | 60.31 | a | 60.98 | 60.89 | 59.43 | h | 49.27 | 42.18 | 37.92 | 48.11 | b | ||||||||
1990 | 36.70 | c | 34.79 | 42.94 | f | 50.95 | 52.21 | 57.78 | 66.00 | 65.73 | 61.26 | g | 46.65 | 42.46 | c | 30.67 | a | 48.39 | b | |||||||
1991 | 34.21 | 44.29 | 40.92 | g | 47.02 | 51.15 | d | 55.90 | 64.27 | 65.38 | a | 60.67 | g | 49.21 | 42.09 | a | 40.13 | 49.36 | b | |||||||
1992 | 38.65 | 44.90 | 49.23 | g | 51.45 | 58.11 | 61.67 | 63.74 | 64.21 | 57.50 | g | 51.19 | 42.23 | d | 33.05 | 50.92 | b | |||||||||
1993 | 31.81 | 38.18 | 44.29 | g | 47.88 | 58.60 | 57.25 | 58.92 | 63.37 | 61.57 | g | 53.53 | 37.45 | 35.32 | 48.23 | b | ||||||||||
1994 | 41.19 | 35.64 | c | 45.13 | 50.16 | h | 55.20 | a | 57.48 | 64.30 | a | 63.84 | 60.70 | g | 49.35 | 35.57 | 34.65 | 48.24 | b | |||||||
1995 | 39.71 | 41.59 | 43.12 | g | 48.74 | a | 56.71 | 59.20 | 64.65 | 59.95 | 61.73 | h | 48.35 | a | 44.23 | b | 37.22 | a | 50.03 | b | ||||||
1996 | 34.35 | 38.43 | 43.42 | g | 49.40 | a | 49.58 | a | 57.90 | 65.26 | 63.53 | 55.27 | h | 48.55 | 39.28 | 33.07 | a | 47.94 | b | |||||||
1997 | 34.40 | 38.48 | 41.39 | h | 46.37 | 56.24 | b | 57.32 | b | 63.00 | b | 66.13 | a | 62.37 | g | 48.72 | b | 44.37 | 38.22 | b | 49.33 | b | ||||
1998 | 35.68 | 41.70 | a | 45.04 | h | 50.45 | 54.82 | 59.55 | a | 67.26 | b | 65.63 | a | 62.36 | h | 51.05 | a | 41.57 | 34.80 | d | 50.25 | b | ||||
1999 | 37.11 | i | 39.03 | k | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 39.39 | c | 39.39 | k |
2000 | 35.74 | b | 40.62 | 42.54 | c | 50.80 | c | 53.27 | a | 59.50 | c | 62.13 | a | 61.68 | c | 50.05 | a | ----- | z | 39.30 | b | 36.98 | b | 48.42 | a | |
2001 | 38.92 | 38.48 | 44.26 | 45.90 | a | ----- | z | 55.85 | d | ----- | z | 64.39 | ----- | z | ----- | z | 43.19 | f | 35.83 | j | 47.96 | f | ||||
2002 | 36.72 | a | 39.09 | 38.97 | b | 47.30 | b | 52.21 | 60.80 | 64.73 | 64.20 | a | 58.62 | a | 49.60 | 45.40 | 40.47 | a | 49.84 | |||||||
2003 | 42.31 | 40.55 | 42.68 | 48.40 | 54.71 | 61.82 | 65.26 | 65.27 | a | 61.07 | 52.30 | a | 39.15 | 37.92 | a | 50.95 | ||||||||||
2004 | 34.60 | 41.10 | 46.02 | 52.20 | 55.76 | 61.55 | 66.84 | 67.03 | 58.18 | 51.27 | a | 42.38 | b | 39.26 | b | 51.35 | ||||||||||
2005 | 38.23 | a | 42.12 | 46.61 | 50.25 | 57.72 | a | 58.32 | 64.50 | 65.85 | a | 57.33 | 52.26 | 41.40 | 37.65 | 51.02 | ||||||||||
2006 | 39.37 | a | 38.00 | a | 42.47 | 49.42 | 55.27 | a | 60.97 | 66.29 | 63.98 | a | 60.13 | 49.52 | 39.39 | c | 36.57 | b | 50.11 | |||||||
2007 | 34.67 | a | 40.75 | 43.82 | a | 48.64 | a | 55.17 | a | 58.73 | 65.74 | 63.56 | 57.90 | 48.83 | a | 41.25 | 35.15 | a | 49.52 | |||||||
2008 | 33.03 | 39.06 | b | 40.85 | a | 43.93 | 54.89 | 56.45 | a | 63.71 | 64.63 | a | 59.20 | 50.00 | 45.13 | 32.52 | 48.62 | |||||||||
2009 | 36.08 | a | 38.52 | 38.23 | 46.60 | a | 54.56 | 62.17 | 68.02 | a | 64.92 | a | 61.87 | 48.34 | 41.62 | 33.58 | 49.54 | |||||||||
2010 | 41.87 | 42.80 | 45.19 | 47.68 | 51.92 | 57.53 | 64.21 | 64.26 | 59.48 | 52.45 | 39.32 | 37.02 | 50.31 | |||||||||||||
2011 | 36.29 | 36.29 | 40.87 | 42.90 | 51.08 | 57.23 | 61.52 | 64.44 | 61.85 | 49.84 | 38.68 | 35.98 | 48.08 | |||||||||||||
2012 | 35.87 | 39.28 | 39.35 | 49.65 | 54.18 | 56.18 | 65.05 | 66.45 | 60.93 | 50.05 | 42.78 | 35.55 | 49.61 | |||||||||||||
2013 | 33.98 | 39.02 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 42.05 | 32.45 | 36.88 | h | ||||
2014 | 39.66 | 35.29 | 42.55 | 49.18 | 57.23 | 58.98 | 67.21 | 67.73 | 61.87 | 54.79 | 43.17 | 39.98 | 51.47 | |||||||||||||
2015 | 40.26 | b | 45.46 | 48.55 | 48.68 | 57.92 | 65.17 | 68.08 | 66.44 | 57.65 | 55.39 | 40.93 | 36.60 | 52.59 | ||||||||||||
2016 | 37.05 | 44.47 | 45.31 | 54.85 | 57.03 | 61.78 | 64.08 | 66.05 | 57.98 | 50.02 | 45.82 | 31.97 | 51.37 | |||||||||||||
2017 | 31.44 | 36.36 | 40.92 | 47.22 | 56.56 | 60.45 | 65.13 | 67.85 | 61.17 | 48.26 | 40.92 | 36.45 | 49.39 | |||||||||||||
2018 | 39.53 | 35.93 | 41.13 | 48.20 | 58.97 | 58.67 | 66.94 | 66.26 | 58.02 | 49.90 | 43.68 | 37.52 | 50.39 | |||||||||||||
2019 | 39.79 | 31.80 | 42.94 | 48.17 | 57.81 | 59.95 | 63.39 | 65.79 | 59.45 | 46.15 | 41.82 | 38.08 | 49.59 | |||||||||||||
2020 | 35.52 | 38.36 | 41.39 | 49.92 | 56.42 | 58.43 | 64.40 | 64.87 | 62.35 | 50.77 | 41.63 | 39.16 | 50.27 | |||||||||||||
2021 | 38.40 | 35.39 | 41.74 | 50.28 | 54.15 | 64.80 | 66.58 | 65.97 | 59.40 | 48.42 | 43.68 | 33.47 | 50.19 | |||||||||||||
2022 | 34.42 | 37.29 | 43.68 | 43.80 | 50.35 | 59.13 | 67.05 | 69.00 | 62.06 | f | 54.76 | 39.43 | i | ----- | z | 51.05 | c | |||||||||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 36.28 | 38.96 | 42.84 | 48.10 | 54.37 | 58.90 | 63.87 | 64.15 | 58.98 | 50.09 | 41.02 | 35.87 | 50.22 | |||||||||||||
S.D. | 3.14 | 3.17 | 2.66 | 2.55 | 2.33 | 2.36 | 2.27 | 2.17 | 2.73 | 2.24 | 2.73 | 2.78 | 1.07 | |||||||||||||
SKEW | 0.24 | -0.06 | -0.01 | -0.01 | -0.04 | 0.49 | -0.06 | -0.26 | -1.57 | 0.43 | -0.86 | -0.32 | 0.16 | |||||||||||||
MAX | 43.34 | 45.46 | 48.55 | 54.85 | 58.97 | 65.17 | 68.08 | 69.00 | 62.35 | 55.39 | 45.82 | 40.47 | 52.59 | |||||||||||||
MIN | 30.71 | 31.80 | 37.77 | 42.90 | 49.58 | 54.59 | 58.92 | 59.39 | 50.05 | 46.15 | 31.75 | 29.93 | 48.08 | |||||||||||||
YRS | 51 | 51 | 27 | 48 | 50 | 51 | 50 | 51 | 22 | 49 | 50 | 51 | 19 |