YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1979 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1980 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1981 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1982 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1983 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1984 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1985 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1986 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1987 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1988 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1989 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1990 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1991 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1992 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1993 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1994 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 43.03 | a | 43.03 | k |
1995 | 38.87 | 43.52 | a | 46.65 | 49.24 | a | 52.81 | 67.21 | a | 76.77 | a | 82.03 | 67.17 | 58.79 | b | 49.24 | a | 41.93 | a | 56.19 | ||||||
1996 | 35.26 | 39.62 | 44.20 | a | 54.20 | 62.03 | 74.66 | a | 80.48 | b | 78.42 | 67.74 | c | 59.32 | c | 48.38 | a | 38.77 | 56.92 | |||||||
1997 | 35.42 | 37.41 | a | 49.61 | 44.87 | 64.47 | a | 71.66 | a | 79.33 | a | 75.10 | b | 68.63 | 57.40 | a | 41.30 | 40.20 | a | 55.45 | ||||||
1998 | 40.53 | a | 40.21 | 43.29 | 51.24 | a | 64.48 | 67.29 | b | 80.68 | 80.23 | 76.55 | a | 56.48 | b | 48.28 | a | 36.45 | 57.14 | |||||||
1999 | 39.87 | 46.00 | b | 49.94 | 47.23 | 61.14 | b | 72.18 | b | 80.33 | a | 78.45 | 67.33 | 64.16 | 58.40 | 40.53 | a | 58.80 | ||||||||
2000 | 39.23 | 45.24 | 47.52 | 58.32 | b | 69.03 | b | 75.03 | a | 84.94 | 82.48 | 71.61 | b | 58.50 | c | 36.21 | b | 37.39 | 58.79 | |||||||
2001 | 38.10 | 38.14 | 45.43 | a | 54.60 | 64.83 | a | 78.54 | b | 83.86 | c | 80.34 | b | 75.62 | a | 61.93 | c | 53.13 | 39.00 | 59.46 | ||||||
2002 | 38.10 | 42.00 | 42.74 | 58.75 | b | 65.22 | d | 81.75 | b | 86.58 | 79.92 | e | 71.66 | a | 52.60 | a | 44.14 | b | 40.57 | a | 58.67 | |||||
2003 | 46.66 | b | 35.39 | 45.90 | b | 55.79 | a | 63.40 | a | 68.87 | 87.38 | b | 82.63 | a | 69.28 | a | 66.16 | 42.00 | 41.23 | 58.72 | ||||||
2004 | 41.16 | 39.61 | a | 55.39 | 55.79 | a | 67.03 | 72.10 | a | 77.59 | d | 78.26 | 71.38 | a | 58.45 | 44.73 | 40.90 | 58.53 | ||||||||
2005 | 44.00 | 42.79 | 45.61 | 55.50 | 63.63 | a | 72.53 | 85.90 | 79.35 | 76.57 | b | 61.93 | b | 49.69 | a | 38.48 | 59.67 | |||||||||
2006 | 42.96 | c | 38.71 | 43.43 | a | 63.10 | a | 68.33 | a | 81.50 | b | 83.97 | 79.77 | a | 65.86 | a | 57.00 | a | 49.36 | b | 39.10 | 59.42 | ||||
2007 | 33.70 | a | 41.68 | 55.63 | a | 54.86 | b | 65.90 | 78.55 | a | 83.29 | 82.52 | 70.93 | a | 62.80 | a | 50.80 | 32.71 | 59.45 | |||||||
2008 | 34.00 | a | 39.66 | 44.48 | 50.96 | c | 62.25 | c | 73.45 | a | 86.00 | 79.76 | b | 68.30 | 60.77 | 52.37 | 38.61 | 57.55 | ||||||||
2009 | 39.10 | a | 43.54 | 50.33 | a | 51.27 | 65.07 | b | 70.14 | a | ----- | z | 79.07 | a | 73.25 | b | 49.58 | 49.70 | 30.16 | 54.65 | a | |||||
2010 | 40.19 | 35.70 | a | 47.42 | 53.00 | a | 59.39 | c | 74.13 | 81.16 | 81.10 | a | 78.07 | a | 62.87 | a | 45.86 | a | 41.19 | 58.34 | ||||||
2011 | 36.42 | 37.71 | 48.65 | 53.23 | 57.23 | 75.67 | 83.94 | 85.48 | 73.53 | 59.81 | 46.30 | 38.90 | a | 58.07 | ||||||||||||
2012 | 44.39 | 36.72 | 57.87 | 61.83 | a | 70.03 | 82.80 | 83.71 | 83.39 | 74.43 | 57.97 | a | 54.14 | a | 37.55 | 62.07 | ||||||||||
2013 | 40.50 | a | 36.64 | 46.61 | 48.73 | 63.16 | 79.40 | 80.29 | 82.68 | 71.93 | 52.94 | 47.50 | 35.35 | 57.15 | ||||||||||||
2014 | 38.81 | 36.82 | 48.52 | 54.97 | 62.77 | 74.30 | 79.61 | 76.58 | 72.73 | 63.83 | a | 45.07 | 40.48 | 57.87 | ||||||||||||
2015 | 42.34 | b | 45.68 | c | 56.92 | e | 56.19 | c | 56.87 | 76.73 | ----- | z | ----- | z | ----- | z | 64.45 | 43.87 | 37.00 | 53.34 | c | |||||
2016 | 39.35 | 45.24 | 47.90 | 53.20 | ----- | z | 80.47 | 83.68 | 79.68 | 74.33 | 65.43 | a | 54.37 | 35.90 | 59.96 | a | ||||||||||
2017 | 35.97 | 46.04 | 56.45 | 58.23 | d | 61.19 | 76.63 | 83.45 | 77.77 | 70.67 | 58.52 | 53.40 | 43.45 | 60.15 | ||||||||||||
2018 | 45.00 | 38.68 | 48.81 | 56.97 | 66.39 | 79.83 | 82.42 | 78.68 | 75.77 | 56.20 | a | 43.24 | a | 37.19 | 59.10 | |||||||||||
2019 | 41.06 | 38.36 | 41.90 | 55.83 | 56.81 | 70.63 | 81.74 | 83.06 | ----- | z | 52.71 | ----- | z | ----- | z | 58.01 | c | |||||||||
2020 | ----- | z | ----- | z | 48.31 | b | 55.10 | 65.90 | ----- | z | ----- | z | 85.81 | 73.60 | 60.32 | 52.23 | ----- | z | 63.04 | e | ||||||
2021 | 39.61 | 33.29 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 81.77 | 77.07 | b | 60.61 | 54.54 | b | 44.20 | a | 55.87 | e | ||||
2022 | 40.66 | b | 35.89 | a | 46.55 | 56.17 | 63.19 | 78.67 | 84.32 | 80.87 | ----- | z | 60.97 | 42.27 | 36.60 | a | 56.92 | a | ||||||||
2023 | 34.27 | a | 39.18 | 40.23 | 53.80 | 65.00 | 70.30 | ----- | z | ----- | z | ----- | z | ----- | z | 50.97 | ----- | z | 50.53 | e | ||||||
2024 | 35.68 | 42.75 | a | 45.77 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 41.40 | i | ||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 39.35 | 40.08 | 48.00 | 54.39 | 63.24 | 75.00 | 82.56 | 80.56 | 72.16 | 59.38 | 48.27 | 38.77 | 58.45 | |||||||||||||
S.D. | 3.39 | 3.60 | 4.62 | 4.03 | 3.99 | 4.50 | 2.79 | 2.51 | 3.45 | 4.11 | 5.02 | 3.15 | 1.46 | |||||||||||||
SKEW | 0.16 | 0.21 | 0.72 | -0.20 | -0.72 | -0.00 | -0.27 | 0.11 | -0.10 | -0.49 | -0.24 | -0.67 | 0.16 | |||||||||||||
MAX | 46.66 | 46.04 | 57.87 | 63.10 | 70.03 | 82.80 | 87.38 | 85.81 | 78.07 | 66.16 | 58.40 | 44.20 | 62.07 | |||||||||||||
MIN | 33.70 | 33.29 | 40.23 | 44.87 | 52.81 | 67.21 | 76.77 | 75.10 | 65.86 | 49.58 | 36.21 | 30.16 | 55.45 | |||||||||||||
YRS | 29 | 29 | 29 | 28 | 27 | 27 | 24 | 27 | 25 | 28 | 28 | 27 | 21 |