YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1978 | ----- | z | ----- | z | ----- | z | ----- | z | 64.19 | 76.77 | 86.06 | 81.77 | 77.63 | ----- | z | ----- | z | ----- | z | 77.29 | g | |||||
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 | ----- | z | ----- | z |
1995 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1996 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1997 | ----- | z | ----- | z | ----- | z | 52.90 | 70.00 | 82.33 | 88.00 | 82.87 | 76.62 | a | 64.23 | 49.10 | 44.19 | 67.80 | c | ||||||||
1998 | 48.84 | 45.21 | 50.26 | 55.60 | 74.40 | a | 76.66 | a | 85.42 | 85.97 | 81.33 | 63.19 | ----- | z | 44.39 | 64.66 | a | |||||||||
1999 | 46.81 | 53.43 | 58.57 | a | 53.50 | b | 67.07 | b | 77.53 | 87.06 | 81.97 | 70.86 | a | 65.93 | a | 63.03 | a | 46.32 | 64.34 | |||||||
2000 | 47.81 | 51.76 | 52.94 | 65.72 | a | 73.67 | a | 80.93 | 89.63 | a | 87.19 | 75.33 | 61.23 | a | 44.47 | 43.48 | 64.51 | |||||||||
2001 | 43.23 | 43.07 | 50.43 | a | 63.04 | c | 69.58 | 82.37 | 89.52 | 84.68 | 78.07 | 64.63 | a | 56.63 | 45.10 | 64.19 | ||||||||||
2002 | 44.29 | 47.36 | 46.79 | c | 65.00 | 68.37 | a | 85.77 | 91.74 | 83.59 | b | 75.27 | 57.71 | 49.20 | 46.87 | a | 63.49 | |||||||||
2003 | 51.84 | 42.07 | 51.27 | a | 63.07 | 69.35 | 74.40 | 91.79 | c | 87.15 | d | 74.00 | 68.74 | 47.47 | 47.87 | 64.08 | ||||||||||
2004 | 46.16 | 43.36 | a | 59.26 | 58.93 | 71.65 | 75.45 | a | 83.23 | 79.65 | 75.03 | 62.19 | 49.13 | 46.97 | 62.58 | |||||||||||
2005 | 48.61 | 47.21 | 51.42 | 59.47 | 68.74 | 79.57 | 89.97 | 81.77 | 75.93 | 63.55 | 56.13 | 42.00 | 63.70 | |||||||||||||
2006 | 48.74 | 41.93 | 49.48 | 65.20 | 72.71 | 85.10 | 86.03 | 81.68 | 69.00 | 62.34 | b | 53.13 | 43.32 | 63.22 | ||||||||||||
2007 | 36.03 | 47.00 | 56.52 | 57.87 | 69.55 | 80.87 | 88.06 | 84.64 | i | 76.67 | 65.77 | 54.03 | 38.13 | 60.95 | a | |||||||||||
2008 | 39.61 | 45.38 | 50.94 | 58.17 | 68.17 | a | 80.83 | 88.84 | 81.87 | 71.70 | 62.00 | 56.67 | 41.39 | 62.13 | ||||||||||||
2009 | 46.53 | a | 49.75 | 54.97 | 54.97 | a | 68.97 | 74.37 | 81.81 | 81.26 | 72.90 | 52.06 | 54.60 | 36.57 | a | 60.73 | ||||||||||
2010 | 43.29 | 37.30 | a | 51.87 | 59.52 | a | 64.33 | a | 80.23 | 85.45 | 84.77 | 78.87 | 64.06 | 50.63 | 47.65 | 62.33 | ||||||||||
2011 | 42.45 | 40.29 | 55.39 | 58.80 | 60.93 | a | 82.10 | 88.52 | 89.42 | 76.70 | 65.84 | 53.87 | 41.42 | 62.98 | ||||||||||||
2012 | 47.58 | 39.86 | 62.90 | 67.30 | 72.65 | 87.67 | 89.84 | 86.94 | 78.13 | 61.52 | 58.77 | 44.61 | 66.48 | |||||||||||||
2013 | 43.81 | 41.64 | 49.55 | 53.83 | 69.63 | a | 83.90 | 85.29 | 85.84 | 76.43 | 58.90 | 53.52 | c | 42.13 | 62.04 | |||||||||||
2014 | 45.97 | 42.32 | 53.84 | 60.93 | 67.17 | a | 81.07 | a | 84.61 | 81.35 | 76.70 | 67.19 | 48.67 | 44.65 | 62.87 | |||||||||||
2015 | 46.90 | 46.36 | 56.16 | 60.87 | 60.61 | 81.73 | 83.03 | 85.71 | c | 81.60 | 66.10 | 51.07 | 41.16 | 63.44 | ||||||||||||
2016 | 44.23 | 47.33 | h | 52.46 | e | 56.63 | 62.57 | a | 82.79 | a | 87.26 | 82.19 | 76.76 | a | 71.00 | a | 58.57 | 40.56 | d | 65.00 | a | |||||
2017 | 43.42 | s | 51.63 | a | 60.23 | a | 59.63 | c | 65.23 | a | 81.10 | 85.97 | 79.83 | a | 74.27 | 62.52 | 58.17 | 50.20 | a | 66.25 | a | |||||
2018 | 48.00 | 46.00 | e | 54.90 | 59.47 | 69.16 | 82.47 | 85.04 | d | 82.61 | c | 79.56 | e | 59.39 | c | 49.61 | b | 48.32 | 63.71 | |||||||
2019 | 47.68 | 44.14 | 49.55 | 61.63 | 61.29 | 77.45 | a | 89.55 | 88.94 | 82.43 | 56.41 | b | 50.11 | c | 46.84 | 63.00 | ||||||||||
2020 | 47.48 | 40.76 | 53.93 | d | 59.03 | 73.19 | 84.17 | 89.23 | 90.10 | 77.67 | 64.74 | 57.57 | 46.03 | 65.32 | ||||||||||||
2021 | 46.07 | a | 39.79 | 50.71 | 56.70 | 66.58 | 84.70 | 88.90 | 85.35 | e | 82.63 | 67.42 | 59.83 | 55.32 | 65.33 | |||||||||||
2022 | 47.84 | 41.46 | 54.20 | a | 63.03 | 69.48 | 82.69 | a | 89.52 | 87.77 | 81.73 | 65.97 | 47.87 | 44.67 | a | 64.69 | ||||||||||
2023 | 38.52 | 45.14 | 47.42 | 59.33 | 70.10 | 75.27 | 86.13 | 85.97 | 80.20 | 65.10 | 55.33 | 48.68 | 63.10 | |||||||||||||
2024 | 40.03 | 47.72 | 51.82 | c | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 46.53 | i | ||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 45.32 | 44.69 | 53.25 | 59.63 | 68.19 | 80.72 | 87.34 | 84.38 | 76.93 | 63.32 | 53.35 | 44.77 | 63.56 | |||||||||||||
S.D. | 3.66 | 4.07 | 3.90 | 3.81 | 3.84 | 3.56 | 2.58 | 2.96 | 3.45 | 4.00 | 4.58 | 3.86 | 1.28 | |||||||||||||
SKEW | -0.84 | 0.40 | 0.64 | 0.12 | -0.47 | -0.25 | -0.25 | 0.24 | -0.25 | -0.78 | 0.11 | 0.30 | 0.15 | |||||||||||||
MAX | 51.84 | 53.43 | 62.90 | 67.30 | 74.40 | 87.67 | 91.79 | 90.10 | 82.63 | 71.00 | 63.03 | 55.32 | 66.48 | |||||||||||||
MIN | 36.03 | 37.30 | 46.79 | 52.90 | 60.61 | 74.37 | 81.81 | 79.65 | 69.00 | 52.06 | 44.47 | 36.57 | 60.73 | |||||||||||||
YRS | 26 | 26 | 27 | 27 | 28 | 28 | 28 | 27 | 28 | 27 | 26 | 27 | 22 |