YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1980 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 77.65 | 72.63 | 62.77 | 48.17 | 37.58 | 59.76 | g | |||||
1981 | 42.26 | 42.61 | 49.87 | 56.40 | 62.45 | 70.43 | 78.32 | 83.00 | 73.93 | 57.19 | 46.00 | 40.55 | 58.58 | |||||||||||||
1982 | 32.06 | 38.71 | 45.26 | 50.77 | 64.45 | 70.77 | 76.39 | 78.32 | 66.47 | 57.68 | 42.30 | 35.32 | 54.87 | |||||||||||||
1983 | 40.26 | 40.52 | a | 45.55 | 50.80 | 65.26 | 68.38 | a | 73.03 | 77.35 | 70.87 | 62.17 | a | 42.53 | 34.68 | 55.95 | ||||||||||
1984 | 36.06 | 40.21 | 49.03 | 52.37 | 63.97 | 68.67 | 82.90 | 80.55 | 71.00 | 53.71 | 40.90 | 31.94 | 55.94 | |||||||||||||
1985 | 31.61 | 39.43 | 43.94 | ----- | z | 64.52 | 74.67 | 85.68 | 77.52 | 64.17 | 58.65 | 37.23 | 32.81 | 55.47 | a | |||||||||||
1986 | 41.23 | 44.21 | 55.03 | 56.00 | 64.65 | 77.63 | 76.68 | 84.65 | 64.23 | 63.19 | 48.60 | 38.48 | 59.55 | |||||||||||||
1987 | 35.65 | 42.75 | 48.94 | 65.87 | 69.35 | 77.50 | 76.70 | a | 84.58 | 79.30 | 72.19 | 48.17 | 36.03 | 61.42 | ||||||||||||
1988 | 32.94 | 43.93 | 51.42 | 60.13 | 63.33 | a | 71.87 | 84.55 | 84.68 | 76.17 | 73.71 | 42.60 | 35.77 | 60.09 | ||||||||||||
1989 | 31.57 | a | 32.86 | 44.90 | 61.40 | 62.61 | 75.80 | 80.32 | 78.30 | a | 73.93 | 60.58 | 49.00 | 42.26 | 57.79 | |||||||||||
1990 | 39.97 | 38.04 | a | 51.03 | 65.73 | 62.52 | 71.50 | 83.48 | 79.94 | 77.83 | a | 60.71 | 47.03 | 32.10 | 59.16 | |||||||||||
1991 | 41.23 | 51.15 | a | 46.58 | 52.83 | 59.37 | a | 70.70 | 84.39 | 81.65 | 80.97 | 65.90 | 47.00 | 39.14 | b | 60.07 | ||||||||||
1992 | 36.84 | 49.14 | 57.13 | 61.03 | 76.23 | 76.33 | 80.58 | 84.00 | 74.13 | 63.81 | 43.93 | b | 31.29 | 61.20 | ||||||||||||
1993 | 29.19 | 33.64 | 45.52 | 52.17 | a | 67.42 | 70.97 | 74.39 | 78.00 | 76.55 | a | 63.03 | 45.40 | 37.23 | 56.13 | |||||||||||
1994 | 40.29 | 40.86 | 57.17 | a | 59.80 | 66.82 | c | 73.57 | 87.23 | 83.29 | 76.50 | 59.97 | 35.13 | 33.23 | 59.49 | |||||||||||
1995 | 38.32 | 50.79 | 46.16 | 53.43 | 64.48 | 71.50 | 79.06 | 78.26 | 75.33 | 62.03 | 52.83 | 40.45 | 59.39 | |||||||||||||
1996 | 37.03 | 41.97 | 51.16 | 56.07 | 62.94 | 75.33 | 86.81 | 85.39 | 71.63 | 60.58 | 49.38 | a | 38.07 | a | 59.70 | |||||||||||
1997 | 36.23 | 43.07 | 52.68 | 55.10 | 71.81 | 72.03 | 81.71 | 81.06 | 72.70 | 59.39 | 47.17 | 37.42 | 59.20 | |||||||||||||
1998 | 39.53 | a | 40.29 | 48.90 | 57.55 | a | 56.65 | 73.43 | 86.13 | 86.55 | 79.14 | a | 61.07 | a | 42.23 | 36.19 | 58.97 | |||||||||
1999 | 40.10 | 36.64 | 43.16 | 54.50 | 63.45 | 74.90 | 81.74 | 80.39 | 76.93 | 68.71 | 50.93 | 41.03 | 59.37 | |||||||||||||
2000 | 38.29 | 43.03 | 48.55 | 60.53 | 63.61 | 77.77 | 80.47 | a | 84.10 | 72.27 | 59.61 | 40.47 | 39.03 | 58.98 | ||||||||||||
2001 | 37.68 | 39.43 | 52.97 | 53.63 | 73.52 | 72.73 | 81.97 | 85.75 | c | 78.40 | 65.23 | 47.14 | a | 35.87 | 60.36 | |||||||||||
2002 | 34.23 | 42.86 | 47.45 | 59.73 | 65.71 | c | 76.97 | a | 86.94 | 80.80 | a | 78.37 | 65.03 | 49.93 | 40.84 | 60.74 | ||||||||||
2003 | 41.29 | 45.57 | 49.83 | a | 49.77 | 63.19 | 78.97 | a | 86.77 | 82.10 | 78.87 | 67.13 | 41.83 | 37.60 | a | 60.24 | ||||||||||
2004 | 36.10 | b | 40.48 | 57.14 | b | 61.04 | b | 65.29 | c | 74.91 | g | ----- | z | 85.86 | b | 75.71 | f | 65.68 | 51.24 | a | 43.48 | b | 56.26 | c | ||
2005 | 40.34 | b | 48.58 | b | 54.55 | b | 56.03 | a | 65.85 | d | 69.70 | 88.34 | b | 89.46 | e | 77.21 | b | 64.79 | b | 48.96 | d | 35.30 | h | 63.99 | a | |
2006 | 39.67 | a | 44.12 | c | 44.68 | 56.72 | a | 69.70 | a | 82.00 | c | 91.61 | 85.77 | 79.21 | b | 66.72 | f | 42.75 | v | 39.00 | f | 65.94 | c | |||
2007 | 36.56 | f | 43.68 | c | 56.12 | e | 61.05 | i | 69.38 | b | 78.23 | 88.80 | k | 86.64 | q | 77.44 | e | 62.36 | i | 53.50 | 36.97 | a | 59.33 | e | ||
2008 | 34.11 | l | ----- | z | ----- | z | 53.33 | r | 68.68 | i | 69.42 | r | ----- | z | ----- | z | ----- | z | 65.13 | a | 51.60 | 39.77 | 52.17 | i | ||
2009 | 43.03 | 43.36 | 46.68 | 56.23 | 67.77 | 72.45 | a | 85.90 | 83.14 | c | 81.25 | b | 60.97 | a | 46.83 | a | 37.58 | 60.43 | ||||||||
2010 | 41.71 | 44.75 | 51.10 | 52.34 | a | 58.10 | a | 71.25 | b | 85.35 | 81.97 | 75.13 | 64.55 | 44.77 | 39.94 | 59.25 | ||||||||||
2011 | 40.94 | 42.93 | 44.39 | 50.80 | 58.39 | 70.55 | a | 79.23 | 84.26 | 81.43 | 63.77 | 45.10 | 46.87 | 59.05 | ||||||||||||
2012 | 44.06 | 44.86 | 45.84 | 56.67 | 66.61 | 70.70 | 83.73 | t | 88.12 | w | 82.70 | 65.13 | 48.90 | 39.35 | 56.48 | b | ||||||||||
2013 | 33.65 | 43.00 | 50.32 | 57.38 | a | 66.17 | a | 74.70 | 89.37 | a | 82.37 | a | 75.43 | b | 62.32 | 52.48 | a | 36.06 | 60.27 | |||||||
2014 | 45.61 | 46.68 | 53.97 | a | 59.69 | a | 68.23 | a | 75.72 | a | 89.00 | 85.77 | 79.52 | a | 66.00 | 49.30 | 43.45 | 63.58 | ||||||||
2015 | 50.00 | 53.46 | 58.13 | a | 58.62 | a | 67.90 | 82.83 | 84.68 | 85.42 | 77.80 | 69.42 | 46.90 | 38.32 | 64.46 | |||||||||||
2016 | 38.07 | a | 47.32 | a | 50.65 | 65.13 | 67.97 | 76.90 | 83.77 | 88.45 | 77.00 | 57.10 | 50.90 | 37.94 | 61.77 | |||||||||||
2017 | 33.61 | 43.43 | 49.58 | 55.03 | 69.19 | 75.47 | 88.00 | 88.32 | 77.20 | 63.42 | 48.63 | 42.68 | 61.21 | |||||||||||||
2018 | 45.06 | 45.32 | 47.97 | 57.47 | 69.55 | 75.33 | 88.39 | 85.84 | 77.90 | 64.71 | 53.50 | 39.00 | a | 62.50 | ||||||||||||
2019 | 41.97 | 36.81 | a | 47.26 | 58.47 | 66.68 | 77.33 | 82.39 | 85.13 | 73.23 | ----- | z | 55.40 | 39.29 | 60.36 | a | ||||||||||
2020 | ----- | z | 50.34 | 52.45 | 59.87 | 67.50 | a | ----- | z | 85.16 | 88.39 | 82.83 | 70.90 | 48.63 | 42.06 | 64.81 | b | |||||||||
2021 | 42.10 | 44.00 | 51.58 | 63.66 | a | 69.10 | 83.33 | 91.97 | 87.94 | 79.23 | 63.00 | 50.23 | ----- | z | 66.01 | a | ||||||||||
2022 | 43.84 | 48.39 | 54.55 | 52.07 | 61.16 | 74.50 | 87.90 | 90.81 | 81.63 | 73.58 | 44.23 | 35.80 | f | 64.79 | a | |||||||||||
2023 | 40.23 | 42.75 | 41.90 | 54.13 | 70.19 | 76.63 | 89.10 | 87.40 | a | 74.07 | 65.71 | 50.67 | 42.58 | 61.28 | ||||||||||||
2024 | 42.19 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 42.19 | k | |
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 38.93 | 43.24 | 49.79 | 56.92 | 65.79 | 74.50 | 83.75 | 83.52 | 76.01 | 63.66 | 47.16 | 38.26 | 59.72 | |||||||||||||
S.D. | 4.36 | 4.45 | 4.26 | 4.24 | 4.02 | 3.70 | 4.68 | 3.60 | 4.41 | 4.39 | 4.39 | 3.45 | 2.08 | |||||||||||||
SKEW | -0.11 | -0.01 | 0.23 | 0.34 | 0.02 | 0.51 | -0.42 | -0.11 | -0.93 | 0.36 | -0.60 | 0.02 | -0.24 | |||||||||||||
MAX | 50.00 | 53.46 | 58.13 | 65.87 | 76.23 | 83.33 | 91.97 | 90.81 | 82.83 | 73.71 | 55.40 | 46.87 | 64.46 | |||||||||||||
MIN | 29.19 | 32.86 | 41.90 | 49.77 | 56.65 | 68.38 | 73.03 | 77.35 | 64.17 | 53.71 | 35.13 | 31.29 | 54.87 | |||||||||||||
YRS | 41 | 42 | 42 | 40 | 42 | 40 | 39 | 41 | 42 | 41 | 43 | 40 | 32 |