YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1970 | ----- | z | 58.90 | r | 52.90 | 53.13 | 66.26 | 73.23 | 75.81 | 74.32 | 64.40 | 59.71 | 47.70 | 37.10 | 60.46 | b | ||||||||||
1971 | 37.97 | 43.25 | 44.10 | 58.30 | 67.42 | 64.31 | a | 76.16 | 77.97 | 66.71 | i | 55.35 | 44.93 | 36.68 | 55.13 | a | ||||||||||
1972 | 36.35 | 43.48 | 49.58 | g | 52.90 | 69.35 | 68.23 | 75.81 | 75.68 | 62.26 | g | 58.35 | 46.77 | 36.35 | 56.33 | b | ||||||||||
1973 | 38.90 | 50.89 | 52.65 | h | 59.30 | 66.97 | 67.10 | 75.74 | 70.26 | 70.12 | d | 56.90 | 40.47 | 42.81 | d | 58.13 | a | |||||||||
1974 | 38.13 | 43.82 | 48.79 | g | 55.63 | 59.87 | 70.30 | 71.65 | 74.52 | 76.50 | h | 61.90 | 47.50 | 42.61 | 56.59 | b | ||||||||||
1975 | 37.97 | 41.64 | 47.54 | g | 54.90 | 65.77 | 65.50 | 74.71 | 69.26 | 74.46 | f | 53.55 | 43.27 | 43.13 | 54.97 | b | ||||||||||
1976 | 42.16 | 43.48 | 46.88 | g | 59.00 | 65.83 | a | 66.10 | 73.10 | 67.90 | 69.70 | g | 59.97 | 51.13 | 43.65 | 57.23 | b | |||||||||
1977 | 39.87 | 51.57 | 47.71 | g | 64.30 | 60.94 | 71.63 | 70.94 | 77.87 | 66.52 | g | 59.61 | 43.77 | 41.55 | 58.20 | b | ||||||||||
1978 | 43.10 | 48.54 | 54.94 | 58.35 | g | 62.39 | 73.97 | 75.23 | 72.06 | 62.88 | e | 64.55 | b | 43.33 | 35.29 | 57.84 | a | |||||||||
1979 | 36.45 | 40.61 | 57.73 | e | 58.33 | 66.94 | 70.17 | 76.79 | b | 74.07 | b | 71.96 | g | 60.39 | 49.07 | 44.32 | 57.71 | a | ||||||||
1980 | 36.84 | 48.00 | 47.13 | h | 64.07 | 63.84 | 65.77 | 73.65 | 70.70 | a | 68.95 | h | 63.16 | 47.83 | 42.90 | 57.68 | b | |||||||||
1981 | 50.03 | 47.71 | 58.35 | h | 56.47 | 63.29 | 64.27 | 72.16 | 78.42 | 72.77 | h | 56.37 | a | 49.53 | 39.84 | 57.81 | b | |||||||||
1982 | 37.26 | 41.79 | 51.26 | h | 57.53 | 65.68 | 73.47 | 71.81 | 72.67 | a | 69.36 | h | 59.35 | 43.76 | a | 40.68 | 56.40 | b | ||||||||
1983 | 45.50 | a | 48.89 | 54.29 | g | 61.27 | 68.81 | 65.77 | 69.55 | 73.87 | 64.35 | g | 59.26 | 46.30 | 33.84 | 57.30 | b | |||||||||
1984 | 43.13 | 47.24 | 54.42 | 56.26 | g | 60.39 | 67.70 | 75.87 | 75.48 | 66.73 | h | 54.68 | 42.97 | a | 35.87 | 55.77 | b | |||||||||
1985 | 41.71 | 40.93 | 50.96 | g | 56.87 | 65.27 | a | 70.50 | 82.03 | 74.77 | 64.13 | g | 53.32 | 36.87 | 39.00 | 56.13 | b | |||||||||
1986 | 46.39 | 45.25 | 56.35 | h | 53.87 | 63.48 | 71.72 | a | 69.00 | a | 77.77 | 64.05 | k | 62.70 | a | 45.90 | a | 41.26 | 57.73 | b | ||||||
1987 | 39.93 | a | 49.30 | a | 52.79 | g | 61.73 | 64.90 | 73.97 | a | 72.35 | 75.00 | 72.70 | g | 64.00 | 50.10 | 37.41 | b | 58.87 | b | ||||||
1988 | 39.32 | 48.69 | 51.54 | g | 58.10 | a | 64.61 | 67.67 | 74.13 | 73.61 | 70.35 | g | 61.03 | a | 43.73 | 40.68 | 57.16 | b | ||||||||
1989 | 39.50 | a | 39.07 | 46.30 | h | 61.67 | 62.23 | 71.55 | a | 70.81 | 69.87 | 71.41 | h | 57.39 | 46.90 | 41.87 | 56.09 | b | ||||||||
1990 | 40.86 | c | 41.04 | 51.60 | f | 61.03 | 60.94 | 66.83 | 78.32 | 77.03 | 71.78 | g | 53.32 | 46.74 | c | 34.81 | 56.09 | b | ||||||||
1991 | 39.19 | 52.39 | 49.33 | g | 56.27 | 59.07 | d | 64.20 | 76.42 | 76.65 | 71.87 | g | 59.65 | 46.45 | a | 44.94 | 57.52 | b | ||||||||
1992 | 42.81 | 53.21 | 60.75 | g | 61.77 | 70.90 | 72.57 | 73.16 | 76.16 | 68.04 | g | 58.97 | 46.92 | d | 36.32 | 59.28 | b | |||||||||
1993 | 37.58 | 46.11 | 53.29 | g | 55.77 | 69.94 | 65.60 | 66.03 | 73.52 | 75.87 | g | 62.23 | 43.23 | 39.52 | 55.95 | b | ||||||||||
1994 | 45.87 | 41.12 | b | 55.23 | 59.43 | g | 65.77 | a | 67.93 | 76.80 | a | 75.26 | 72.09 | g | 57.52 | 39.23 | 38.29 | 56.30 | b | |||||||
1995 | 45.32 | 49.39 | 53.33 | g | 59.52 | a | 68.84 | 70.23 | 75.68 | 70.32 | 72.95 | h | 55.00 | a | 50.24 | a | 41.23 | a | 58.58 | b | ||||||
1996 | 37.71 | 45.93 | 52.17 | g | 58.93 | a | 57.77 | a | 69.10 | 78.10 | 75.19 | 64.86 | h | 55.55 | 43.80 | 36.27 | a | 55.83 | b | |||||||
1997 | 38.39 | 45.32 | 48.09 | h | 55.80 | 67.69 | b | 66.46 | b | 73.63 | a | 78.53 | a | 73.65 | g | 55.17 | a | 51.50 | 42.30 | a | 57.48 | b | ||||
1998 | 39.68 | 49.00 | 53.57 | h | 62.13 | 62.45 | 67.97 | 79.50 | a | 78.43 | a | 76.05 | h | 60.43 | a | 46.73 | 39.40 | a | 58.57 | b | ||||||
1999 | 40.67 | g | 44.47 | k | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 44.21 | b | 44.21 | k |
2000 | 40.83 | b | 48.55 | 50.47 | a | 63.52 | c | 63.77 | 71.81 | c | 74.13 | a | 74.07 | c | 59.17 | a | ----- | z | 45.97 | a | 42.19 | 57.68 | a | |||
2001 | 44.74 | 46.86 | 53.29 | 55.17 | a | ----- | z | 66.31 | d | ----- | z | 75.48 | ----- | z | ----- | z | 49.07 | 39.64 | i | 55.85 | e | |||||
2002 | 40.55 | 45.50 | 45.55 | b | 56.54 | b | 62.16 | 72.53 | 76.45 | 76.65 | 71.00 | a | 59.35 | 52.67 | 45.84 | 58.73 | ||||||||||
2003 | 48.16 | 48.04 | 49.35 | 57.40 | 65.26 | 73.43 | 80.74 | 80.17 | a | 73.20 | 60.48 | 45.17 | 42.13 | 60.29 | ||||||||||||
2004 | 39.06 | 48.17 | 54.48 | 64.63 | 65.39 | 73.03 | 79.06 | 78.19 | 66.90 | 59.47 | a | 48.66 | a | 43.90 | 60.08 | |||||||||||
2005 | 44.06 | 53.54 | 56.42 | 59.77 | 67.50 | a | 66.90 | 76.68 | 79.27 | a | 68.60 | 59.13 | 46.73 | 41.45 | 60.00 | |||||||||||
2006 | 43.32 | 45.00 | a | 52.03 | 60.63 | 66.90 | a | 71.10 | 78.87 | 77.13 | a | 72.50 | 58.16 | 43.79 | b | 40.66 | b | 59.17 | ||||||||
2007 | 40.80 | a | 47.50 | 51.13 | 57.52 | a | 67.40 | a | 68.23 | 77.45 | 75.10 | 68.17 | 56.13 | a | 47.40 | 38.70 | a | 57.96 | ||||||||
2008 | 37.00 | 46.00 | b | 48.07 | a | 52.67 | 65.74 | 65.93 | a | 75.94 | 75.17 | a | 70.43 | 58.13 | 50.63 | 37.23 | 56.91 | |||||||||
2009 | 41.77 | a | 46.57 | 45.55 | 56.83 | a | 67.32 | 73.93 | 82.07 | a | 76.57 | a | 74.00 | 55.52 | 45.70 | 38.97 | 58.73 | |||||||||
2010 | 47.23 | 51.54 | 54.77 | 56.70 | 61.58 | 66.47 | 76.97 | 76.00 | 66.83 | 61.45 | 44.53 | 41.16 | 58.77 | |||||||||||||
2011 | 40.39 | 42.50 | 47.39 | 50.57 | 60.06 | 65.87 | 72.03 | 76.19 | 73.30 | 55.77 | 43.87 | 40.87 | 55.73 | |||||||||||||
2012 | 39.77 | 44.59 | 45.52 | 59.83 | 65.32 | 64.87 | 75.55 | 78.77 | 74.70 | 58.81 | 47.23 | 38.32 | 57.77 | |||||||||||||
2013 | 38.32 | 44.50 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 48.07 | 36.97 | 41.96 | h | ||||
2014 | 46.52 | 40.04 | 49.94 | 59.73 | 67.97 | 69.60 | 79.90 | 79.32 | 73.07 | 61.42 | 48.70 | 44.48 | 60.06 | |||||||||||||
2015 | 46.00 | b | 52.57 | 58.81 | 59.20 | 67.94 | 78.63 | 81.48 | 79.48 | 67.10 | 62.10 | 45.97 | 39.90 | 61.60 | ||||||||||||
2016 | 40.65 | 50.76 | 53.19 | 66.57 | 67.00 | 72.83 | 73.52 | 78.29 | 68.20 | 56.35 | 51.07 | 35.26 | 59.47 | |||||||||||||
2017 | 37.84 | 42.11 | 46.52 | 55.23 | 68.39 | 71.00 | 79.23 | 83.06 | 73.13 | 56.97 | 45.57 | 41.35 | 58.37 | |||||||||||||
2018 | 43.32 | 41.14 | 50.39 | 57.47 | 69.94 | 68.90 | 80.97 | 78.10 | 68.07 | 59.10 | 49.43 | 41.77 | 59.05 | |||||||||||||
2019 | 45.45 | 38.14 | 55.29 | 57.67 | 69.77 | 71.30 | 73.94 | 77.03 | 67.47 | 54.58 | 50.17 | 42.10 | 58.58 | |||||||||||||
2020 | 39.00 | 44.52 | 50.03 | 60.67 | 67.00 | 67.13 | 75.74 | 78.16 | 73.00 | 58.26 | 46.53 | 43.71 | 58.65 | |||||||||||||
2021 | 43.48 | 39.68 | 50.61 | 63.63 | 64.71 | 77.27 | 79.19 | 76.61 | 69.47 | 54.35 | 49.13 | 36.68 | 58.74 | |||||||||||||
2022 | 39.52 | 43.75 | 51.77 | 52.60 | 58.42 | 69.20 | 79.90 | 82.26 | 74.79 | f | 65.68 | 47.00 | i | ----- | z | 60.34 | c | |||||||||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 41.29 | 45.87 | 51.42 | 58.40 | 65.14 | 69.41 | 75.69 | 75.85 | 69.38 | 58.58 | 46.52 | 40.15 | 58.88 | |||||||||||||
S.D. | 3.41 | 3.99 | 3.95 | 3.55 | 3.26 | 3.43 | 3.54 | 3.17 | 3.89 | 3.05 | 3.16 | 3.03 | 1.30 | |||||||||||||
SKEW | 0.59 | 0.06 | -0.12 | 0.10 | -0.45 | 0.47 | -0.28 | -0.38 | -0.76 | 0.18 | -0.58 | -0.22 | -0.34 | |||||||||||||
MAX | 50.03 | 53.54 | 58.81 | 66.57 | 70.90 | 78.63 | 82.07 | 83.06 | 74.70 | 65.68 | 52.67 | 45.84 | 61.60 | |||||||||||||
MIN | 36.35 | 38.14 | 44.10 | 50.57 | 57.77 | 64.20 | 66.03 | 67.90 | 59.17 | 53.32 | 36.87 | 33.84 | 55.73 | |||||||||||||
YRS | 51 | 51 | 28 | 48 | 50 | 51 | 50 | 51 | 23 | 49 | 51 | 51 | 19 |