YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1978 | ----- | z | ----- | z | 54.00 | 48.47 | 56.68 | 69.97 | 78.23 | 74.45 | 62.20 | 67.00 | 44.73 | 35.61 | 59.13 | b | ||||||||||
1979 | 38.71 | 37.00 | 50.42 | 49.27 | ----- | z | 73.33 | 80.42 | 74.71 | 75.38 | a | 61.58 | 45.90 | 44.10 | 57.35 | a | ||||||||||
1980 | 39.94 | 45.31 | 44.06 | 54.10 | 58.81 | 63.40 | 80.13 | 76.68 | 72.47 | 62.90 | 47.37 | 45.77 | 57.58 | |||||||||||||
1981 | 48.84 | 45.36 | 47.84 | 52.47 | 58.55 | 67.33 | 78.13 | 84.52 | 74.20 | 55.68 | 46.57 | 38.32 | 58.15 | |||||||||||||
1982 | 37.00 | b | 40.89 | 44.90 | 48.57 | 62.29 | 69.30 | 76.81 | 78.48 | 66.27 | 56.23 | 42.63 | 38.84 | 55.18 | ||||||||||||
1983 | 42.35 | 41.18 | 43.19 | 48.43 | 63.58 | 65.63 | 71.16 | 77.52 | 69.17 | 61.52 | 41.20 | 34.81 | 54.98 | |||||||||||||
1984 | 43.42 | 45.14 | 47.32 | 46.00 | 57.97 | 66.17 | 83.90 | 81.52 | 70.30 | 50.29 | 39.07 | 35.90 | 55.58 | |||||||||||||
1985 | 46.19 | 41.82 | 45.16 | 56.80 | 62.26 | 74.20 | 86.52 | 77.77 | 62.24 | a | 57.19 | 37.87 | 46.29 | 57.86 | ||||||||||||
1986 | 44.23 | 42.61 | 52.26 | 52.83 | 61.65 | 77.27 | 75.71 | 87.58 | 62.20 | 62.90 | 45.37 | 43.00 | 58.97 | |||||||||||||
1987 | 39.45 | 44.43 | 46.81 | 63.40 | 66.97 | a | 76.47 | 75.52 | 82.71 | 79.43 | 75.13 | 48.47 | 37.45 | 61.35 | ||||||||||||
1988 | 39.74 | 50.41 | 48.87 | 56.57 | 59.68 | 69.53 | 84.00 | 84.42 | 76.97 | 73.65 | 41.24 | a | 42.03 | 60.59 | ||||||||||||
1989 | 39.71 | 37.71 | 44.55 | 57.57 | 60.77 | 74.50 | 76.68 | 75.29 | 71.97 | 58.39 | 49.60 | 49.13 | 57.99 | |||||||||||||
1990 | 40.34 | b | 40.32 | 50.71 | 60.50 | 60.58 | 69.00 | 82.07 | a | 79.77 | a | 76.17 | 58.42 | 43.97 | 33.00 | 57.90 | ||||||||||
1991 | 43.03 | 51.71 | 44.40 | a | 47.90 | 56.55 | 67.40 | 82.94 | 81.45 | 81.07 | 69.30 | a | 45.80 | 41.35 | 59.41 | |||||||||||
1992 | 43.71 | 50.14 | 57.45 | 58.10 | 74.32 | 75.83 | 74.21 | b | 83.26 | 73.21 | p | 64.03 | 44.80 | 35.58 | 60.13 | a | ||||||||||
1993 | 33.83 | a | 40.32 | 48.00 | 47.40 | 63.71 | 66.57 | 71.00 | 75.06 | 77.07 | 63.97 | 47.23 | 42.71 | 56.41 | ||||||||||||
1994 | 44.45 | 40.81 | a | 53.58 | 56.07 | 64.58 | 69.86 | a | 85.16 | 81.39 | 76.33 | 58.60 | a | 37.20 | 39.31 | b | 58.95 | |||||||||
1995 | 41.61 | 50.18 | 46.06 | 50.43 | 62.16 | 68.17 | a | 77.97 | a | 75.13 | 75.63 | 60.13 | a | 51.61 | b | 42.00 | 58.42 | |||||||||
1996 | 40.88 | f | 44.21 | 49.87 | 52.43 | 58.94 | 73.37 | 84.45 | 83.74 | 69.07 | 57.00 | 47.03 | 38.77 | 59.90 | a | |||||||||||
1997 | 39.61 | 42.75 | 47.03 | 50.53 | 68.16 | 69.10 | 77.81 | 79.77 | 69.20 | 55.13 | a | 47.72 | a | 40.42 | 57.27 | |||||||||||
1998 | 40.37 | a | 41.04 | a | 46.45 | 51.93 | a | 53.10 | 71.85 | c | 84.23 | 84.35 | 77.30 | 57.10 | 40.87 | 36.29 | 57.07 | |||||||||
1999 | 40.45 | 36.68 | 43.29 | 50.20 | 56.52 | 67.97 | 79.61 | 75.61 | 74.37 | 64.52 | 49.53 | 41.68 | 56.70 | |||||||||||||
2000 | 37.39 | 42.34 | 45.26 | 57.23 | 59.10 | 72.90 | 76.71 | 80.52 | 70.93 | 58.23 | 44.10 | 42.45 | 57.26 | |||||||||||||
2001 | 42.81 | 42.14 | 49.52 | 48.50 | 68.52 | 67.60 | 76.94 | 80.32 | 75.63 | 62.13 | 47.70 | 37.06 | 58.24 | |||||||||||||
2002 | 36.94 | 43.39 | 44.19 | 53.57 | 60.77 | 72.37 | 82.45 | 78.45 | 73.73 | 60.32 | 51.70 | 42.48 | 58.36 | |||||||||||||
2003 | 45.97 | 44.19 | a | 45.81 | 47.33 | 61.06 | 69.48 | c | 84.80 | a | 81.33 | a | 76.93 | a | 63.03 | a | 40.76 | a | 38.79 | b | 58.29 | |||||
2004 | 39.71 | 42.07 | 53.84 | 57.10 | 60.77 | 71.55 | a | 81.26 | 78.90 | 66.80 | 56.74 | 48.41 | a | 43.06 | 58.35 | |||||||||||
2005 | 42.10 | 48.78 | a | 51.32 | 49.62 | a | 60.63 | a | 63.93 | 81.43 | a | 81.94 | 69.40 | 57.97 | a | 44.96 | b | 41.19 | 57.77 | |||||||
2006 | 37.00 | 41.44 | a | 40.33 | a | 50.37 | 63.58 | 71.72 | a | 82.52 | 78.84 | 73.89 | l | 60.06 | 41.20 | 38.71 | 55.07 | a | ||||||||
2007 | 39.90 | 42.04 | 49.94 | 51.57 | 64.76 | b | 69.43 | 79.70 | a | 76.74 | 69.63 | 53.61 | 50.07 | b | 36.06 | 56.95 | ||||||||||
2008 | 35.26 | 39.79 | 42.55 | 47.47 | 62.10 | 68.53 | 80.57 | a | 80.36 | f | 75.57 | 62.61 | 51.33 | 40.37 | a | 55.10 | a | |||||||||
2009 | 43.61 | 46.41 | a | 43.68 | 52.30 | 66.94 | 68.29 | f | 86.59 | i | 81.48 | 79.50 | 55.65 | 44.83 | 38.97 | 55.34 | b | |||||||||
2010 | 43.10 | 46.21 | 49.61 | 49.50 | 54.48 | 66.87 | 83.26 | 80.87 | 72.58 | d | 61.48 | 50.93 | o | 38.40 | a | 58.76 | a | |||||||||
2011 | 42.87 | 41.57 | 41.23 | 45.57 | 54.42 | 66.67 | 77.16 | 82.71 | 79.90 | 60.81 | 44.00 | 46.39 | 56.94 | |||||||||||||
2012 | 42.94 | 42.79 | 42.65 | 53.63 | 63.26 | 66.77 | 80.55 | 85.97 | 82.10 | 62.97 | 47.03 | 36.65 | 58.94 | |||||||||||||
2013 | 39.90 | 42.68 | 49.90 | 55.83 | 63.71 | 72.33 | 86.26 | 79.42 | 70.37 | 60.77 | 50.17 | 41.97 | 59.44 | |||||||||||||
2014 | 48.94 | 42.93 | 50.94 | 54.40 | 65.73 | a | 71.00 | 84.32 | 81.65 | 77.20 | 63.06 | 48.73 | 43.39 | 61.02 | ||||||||||||
2015 | 48.65 | 52.50 | 57.71 | 54.80 | 63.74 | 80.13 | 82.06 | 82.48 | 72.33 | 67.23 | 45.20 | 38.28 | b | 62.09 | ||||||||||||
2016 | 38.10 | 46.31 | 46.32 | 61.47 | 64.77 | 74.67 | 77.90 | 85.00 | 72.30 | 53.52 | 50.17 | 35.77 | 58.86 | |||||||||||||
2017 | 36.23 | 40.79 | 43.77 | 49.07 | 65.06 | 73.00 | 85.30 | a | 86.50 | a | 73.17 | 58.61 | 43.83 | 39.68 | 57.92 | |||||||||||
2018 | 43.45 | 38.57 | 42.87 | 50.45 | a | 64.00 | 68.70 | 81.26 | 79.61 | 70.00 | 58.68 | 49.50 | 37.74 | 57.07 | ||||||||||||
2019 | 44.74 | 33.75 | 44.94 | 51.80 | 61.55 | 70.67 | 75.74 | 79.39 | 63.63 | 53.48 | 52.67 | 40.87 | 56.10 | |||||||||||||
2020 | 38.03 | 44.31 | 45.50 | a | 53.83 | 61.97 | 66.03 | 77.45 | 79.61 | 76.00 | k | 62.84 | 44.27 | 42.52 | 56.03 | a | ||||||||||
2021 | 40.71 | 37.89 | 45.90 | 58.67 | 62.77 | 76.00 | 83.29 | 78.68 | 72.66 | a | 53.06 | 47.37 | 37.74 | 57.90 | ||||||||||||
2022 | 45.68 | 46.36 | 48.45 | 47.10 | 53.16 | 67.23 | 81.61 | 82.87 | 74.70 | 68.00 | 44.40 | 38.26 | 58.15 | |||||||||||||
2023 | 39.84 | 41.71 | 36.87 | 47.93 | 65.42 | 69.83 | 82.48 | 79.52 | 67.00 | 57.81 | 47.57 | 44.32 | 56.69 | |||||||||||||
2024 | 40.03 | 41.79 | 43.58 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 41.80 | i | |||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 41.35 | 43.10 | 47.08 | 52.37 | 61.78 | 70.30 | 80.26 | 80.40 | 72.68 | 60.51 | 45.91 | 40.08 | 58.02 | |||||||||||||
S.D. | 3.51 | 3.99 | 4.28 | 4.33 | 4.23 | 3.69 | 3.80 | 3.29 | 5.04 | 5.12 | 3.74 | 3.47 | 1.58 | |||||||||||||
SKEW | 0.24 | 0.38 | 0.42 | 0.57 | 0.12 | 0.48 | -0.47 | 0.05 | -0.38 | 0.69 | -0.37 | 0.35 | 0.51 | |||||||||||||
MAX | 48.94 | 52.50 | 57.71 | 63.40 | 74.32 | 80.13 | 86.52 | 87.58 | 82.10 | 75.13 | 52.67 | 49.13 | 62.09 | |||||||||||||
MIN | 33.83 | 33.75 | 36.87 | 45.57 | 53.10 | 63.40 | 71.00 | 74.45 | 62.20 | 50.29 | 37.20 | 33.00 | 54.98 | |||||||||||||
YRS | 45 | 46 | 47 | 46 | 45 | 45 | 45 | 45 | 43 | 46 | 45 | 46 | 37 |