YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1980 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 78.29 | 74.35 | 69.33 | 56.19 | 45.33 | 45.23 | 61.46 | f | ||||||
1981 | 42.68 | 39.54 | 42.52 | 56.77 | 58.65 | 73.80 | 75.87 | 74.39 | 69.47 | 52.84 | 46.73 | 34.90 | 55.68 | |||||||||||||
1982 | 30.77 | 35.79 | 41.77 | 48.07 | 58.26 | 67.69 | a | 75.35 | 75.00 | 65.60 | 51.94 | 40.73 | 35.14 | b | 52.18 | |||||||||||
1983 | 37.42 | 39.26 | a | 41.35 | 44.52 | a | 54.94 | 67.23 | 77.60 | a | 76.61 | 70.97 | 58.23 | 41.23 | 29.17 | a | 53.21 | |||||||||
1984 | 30.65 | 39.24 | 42.06 | 46.80 | 63.23 | 67.60 | 77.77 | 74.35 | 67.70 | 47.40 | a | 43.00 | 35.23 | 52.92 | ||||||||||||
1985 | 32.23 | 32.89 | 43.39 | 53.14 | b | 62.06 | 73.17 | 76.13 | 77.06 | 63.87 | 57.19 | 38.87 | 36.37 | a | 53.86 | |||||||||||
1986 | ----- | z | 39.68 | 50.87 | 53.00 | b | 62.38 | b | 73.20 | 73.94 | 75.94 | 63.38 | a | 54.93 | c | 44.18 | b | 35.55 | 57.00 | a | ||||||
1987 | 32.53 | a | 41.18 | 45.83 | a | 56.31 | a | 61.42 | 74.70 | 77.90 | 74.65 | 69.43 | 60.81 | 43.97 | a | 31.45 | b | 55.85 | ||||||||
1988 | 30.30 | a | 39.71 | a | 42.20 | a | 55.10 | a | 64.11 | c | 76.33 | 81.13 | 78.00 | 67.23 | 62.03 | 40.00 | b | 33.60 | a | 55.81 | ||||||
1989 | 34.72 | b | 37.39 | 49.26 | 55.13 | 64.26 | 72.62 | a | 80.29 | 74.03 | 70.53 | 58.67 | a | 45.27 | 32.84 | 56.25 | ||||||||||
1990 | 34.55 | 39.71 | 46.87 | 53.60 | 60.55 | 76.60 | 74.81 | 74.87 | 71.97 | 57.77 | 47.10 | a | 31.42 | 55.82 | ||||||||||||
1991 | 32.61 | 42.64 | 41.90 | a | 51.97 | 67.48 | 72.40 | 77.94 | 76.58 | 68.40 | 60.58 | 39.87 | 35.13 | 55.62 | ||||||||||||
1992 | 35.84 | 40.90 | 46.29 | 56.93 | 63.87 | 69.20 | 72.26 | 73.45 | 68.40 | 61.52 | 33.96 | b | 31.16 | 54.48 | ||||||||||||
1993 | 35.65 | 35.11 | 45.48 | 47.70 | 61.19 | d | 69.24 | a | 74.77 | 72.55 | 66.77 | 55.00 | ----- | z | 36.00 | 54.50 | a | |||||||||
1994 | 36.68 | 36.89 | 47.26 | 52.17 | 65.26 | 76.77 | 77.84 | 77.65 | 69.40 | 55.32 | 40.70 | ----- | z | 57.81 | a | |||||||||||
1995 | 34.29 | 44.86 | 45.26 | 48.53 | 54.23 | 69.17 | 73.32 | 75.77 | 69.83 | 56.48 | 46.43 | ----- | z | 56.20 | a | |||||||||||
1996 | 32.90 | 41.66 | ----- | z | 51.17 | a | 66.48 | 73.10 | 78.55 | 74.16 | 63.83 | 56.23 | a | 44.40 | 32.68 | 55.92 | a | |||||||||
1997 | 34.26 | 37.86 | 48.39 | 47.17 | 60.94 | 73.60 | 77.35 | 73.58 | 69.53 | 57.86 | i | 41.93 | 34.84 | 54.50 | a | |||||||||||
1998 | 37.10 | 37.07 | 42.23 | a | 48.52 | a | 67.20 | a | 69.00 | 79.61 | 77.71 | 75.43 | ----- | z | 47.07 | 38.16 | 56.28 | a | ||||||||
1999 | 37.39 | 42.82 | 51.94 | 50.00 | 60.45 | 72.70 | 76.94 | 74.77 | 68.10 | 63.32 | 56.37 | 37.74 | 57.71 | |||||||||||||
2000 | 39.10 | 43.48 | 47.23 | 58.17 | 67.17 | a | 74.23 | 80.74 | 78.71 | 70.90 | 60.39 | 35.37 | 35.00 | 57.54 | ||||||||||||
2001 | 36.13 | 40.07 | a | 45.10 | 55.37 | 65.63 | a | 75.03 | 79.42 | 76.16 | 71.73 | 60.32 | 47.77 | 35.19 | 57.33 | |||||||||||
2002 | 34.74 | 37.37 | a | 42.55 | 58.40 | 66.13 | 79.63 | 83.60 | a | 78.90 | 69.60 | 56.35 | 42.33 | 36.67 | a | 57.19 | ||||||||||
2003 | 40.84 | 36.75 | 44.81 | 54.41 | a | 64.37 | a | 71.97 | 85.16 | 78.94 | 69.10 | 65.77 | 41.30 | 36.61 | 57.50 | |||||||||||
2004 | 36.48 | 37.38 | 51.74 | 55.47 | 65.42 | 73.00 | 77.03 | 74.29 | 67.27 | 56.29 | 44.57 | 35.97 | 56.24 | |||||||||||||
2005 | 39.90 | 39.61 | 43.97 | a | 54.69 | a | 64.19 | 69.83 | 81.10 | 73.71 | 70.43 | 59.39 | 44.37 | 31.90 | 56.09 | |||||||||||
2006 | 36.06 | 39.44 | a | 43.65 | 57.69 | a | 67.16 | 76.90 | 79.03 | 74.65 | 64.30 | 55.69 | e | 46.17 | 34.77 | 56.29 | ||||||||||
2007 | 33.87 | 39.82 | 48.40 | a | 55.83 | 63.65 | 75.48 | a | 82.03 | 78.42 | 71.37 | 59.23 | 50.80 | 31.32 | 57.52 | |||||||||||
2008 | 30.19 | 36.24 | 44.23 | 49.17 | 60.86 | b | 72.45 | a | 80.10 | 77.81 | 71.00 | 60.00 | 47.23 | 34.34 | b | 55.30 | ||||||||||
2009 | 36.35 | 41.68 | 46.19 | 50.27 | 64.97 | 68.73 | 78.94 | 76.26 | 70.87 | 52.45 | 50.37 | 31.06 | 55.68 | |||||||||||||
2010 | 36.77 | 35.32 | 46.77 | 51.80 | 59.68 | 74.13 | 78.27 | a | 75.29 | 72.07 | 57.77 | 41.17 | 36.73 | a | 55.48 | |||||||||||
2011 | 29.68 | 31.14 | 43.71 | 48.40 | 55.61 | 72.33 | 76.68 | 78.00 | 68.50 | 56.06 | 42.90 | 34.87 | 53.16 | |||||||||||||
2012 | 35.81 | 34.90 | 49.06 | 58.83 | 65.32 | ----- | z | 78.55 | 75.52 | 68.80 | 57.23 | 48.23 | 32.61 | 54.99 | a | |||||||||||
2013 | 29.13 | 32.36 | 40.65 | 47.17 | 59.77 | 74.97 | 77.23 | 74.45 | 68.17 | 52.13 | 41.90 | 29.10 | 52.25 | |||||||||||||
2014 | 31.77 | 34.46 | 42.52 | 48.53 | 59.03 | 70.87 | 77.39 | 69.77 | 68.50 | 56.97 | 41.31 | a | 33.61 | 52.89 | ||||||||||||
2015 | 35.06 | 38.89 | 47.52 | 52.67 | 55.81 | 73.43 | 72.13 | 74.00 | 68.97 | 59.45 | 41.47 | 31.74 | 54.26 | |||||||||||||
2016 | 29.61 | 37.76 | 43.68 | 49.67 | 59.90 | 75.60 | 75.77 | a | 70.68 | 68.30 | 61.00 | 48.53 | 32.55 | 54.42 | ||||||||||||
2017 | 29.10 | 40.68 | 48.16 | 52.63 | 59.77 | 75.13 | 77.13 | 73.55 | 68.50 | 57.13 | 50.13 | 38.65 | 55.88 | |||||||||||||
2018 | 36.90 | 35.57 | 43.42 | 52.33 | 66.35 | 75.97 | 80.00 | 75.77 | 72.00 | 52.71 | 37.40 | 30.55 | 54.92 | |||||||||||||
2019 | 31.00 | 31.57 | 39.35 | 52.10 | 53.58 | 68.17 | 76.97 | 77.00 | 73.74 | k | 50.68 | 43.30 | 30.43 | a | 50.38 | a | ||||||||||
2020 | 30.23 | 31.45 | 42.77 | 50.43 | 65.61 | 72.20 | 76.35 | 80.35 | 68.90 | 59.52 | 45.23 | 31.71 | 54.56 | |||||||||||||
2021 | 31.94 | 32.57 | 41.97 | 52.60 | 60.84 | 75.10 | 78.87 | 74.00 | 71.90 | 55.13 | 48.50 | 36.29 | 54.98 | |||||||||||||
2022 | 31.29 | 31.93 | 41.68 | 49.90 | 61.06 | 72.37 | 76.52 | 74.90 | 72.30 | 54.52 | 38.17 | 31.13 | 52.98 | |||||||||||||
2023 | 30.00 | 32.61 | 36.13 | 46.60 | 62.84 | 67.53 | 78.87 | 77.13 | 70.10 | 58.10 | 45.87 | 35.10 | 53.41 | |||||||||||||
2024 | 31.35 | 36.83 | 41.97 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 36.72 | i | |||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 34.09 | 37.59 | 44.70 | 52.09 | 62.13 | 72.69 | 77.85 | 75.54 | 69.13 | 57.16 | 43.99 | 34.16 | 55.15 | |||||||||||||
S.D. | 3.37 | 3.53 | 3.35 | 3.68 | 3.74 | 3.04 | 2.67 | 2.17 | 2.48 | 3.60 | 4.34 | 3.01 | 1.62 | |||||||||||||
SKEW | 0.40 | -0.16 | 0.17 | 0.04 | -0.56 | -0.16 | 0.22 | -0.16 | -0.39 | -0.24 | 0.17 | 0.99 | -0.19 | |||||||||||||
MAX | 42.68 | 44.86 | 51.94 | 58.83 | 67.48 | 79.63 | 85.16 | 80.35 | 75.43 | 65.77 | 56.37 | 45.23 | 57.71 | |||||||||||||
MIN | 29.10 | 31.14 | 36.13 | 44.52 | 53.58 | 67.23 | 72.13 | 69.77 | 63.38 | 47.40 | 33.96 | 29.10 | 52.18 | |||||||||||||
YRS | 43 | 44 | 43 | 43 | 43 | 42 | 44 | 44 | 43 | 42 | 43 | 42 | 34 |