YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1978 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 89.77 | 87.29 | 74.66 | a | 79.39 | 56.50 | 49.42 | 72.84 | f | |||||
1979 | 47.77 | 47.32 | 60.61 | 62.83 | a | 76.19 | 83.90 | 88.39 | 85.52 | 85.40 | 71.71 | c | 55.73 | 51.48 | 68.07 | |||||||||||
1980 | 50.74 | 55.43 | a | 55.16 | 65.97 | 73.57 | c | 73.87 | 88.23 | 88.00 | 82.60 | 74.74 | 60.33 | 56.13 | a | 68.73 | ||||||||||
1981 | 53.06 | 54.11 | 56.19 | 69.55 | h | 73.17 | a | 83.07 | b | 90.03 | 91.52 | 83.03 | 67.07 | a | 57.13 | 48.65 | 68.82 | a | ||||||||
1982 | 44.82 | c | 51.75 | 51.61 | 59.97 | 76.19 | 79.03 | 85.61 | 87.48 | 76.23 | 66.84 | 51.57 | 47.33 | a | 64.87 | |||||||||||
1983 | 50.87 | 49.30 | a | 50.71 | 57.83 | 74.97 | 79.57 | 82.94 | 85.42 | 81.80 | 71.87 | 50.33 | 44.42 | 65.00 | ||||||||||||
1984 | 56.42 | 54.03 | 61.58 | 62.55 | a | 74.71 | 80.07 | 93.81 | 89.90 | 83.73 | 63.35 | 48.50 | 47.06 | 67.98 | ||||||||||||
1985 | 54.81 | 56.96 | a | 56.00 | 73.40 | 73.27 | a | 86.23 | 92.29 | 86.94 | 75.59 | a | 69.55 | 51.34 | a | 54.80 | a | 69.26 | ||||||||
1986 | 52.87 | 54.70 | a | 63.97 | a | 66.52 | a | 74.58 | 85.13 | 87.32 | 92.39 | 72.70 | 72.77 | 60.30 | 51.29 | 69.55 | ||||||||||
1987 | 47.16 | 55.15 | a | 56.32 | 73.30 | 77.77 | 85.03 | 84.60 | a | 92.26 | 85.23 | 74.48 | 55.50 | 44.82 | c | 69.30 | ||||||||||
1988 | 46.16 | 64.10 | 65.74 | 65.00 | 69.29 | 79.87 | 93.84 | 91.65 | 86.23 | 81.39 | 52.17 | 51.57 | a | 70.58 | ||||||||||||
1989 | 48.57 | a | 49.71 | 53.32 | 70.50 | 74.43 | a | 81.63 | 88.42 | 86.35 | 81.79 | a | 70.10 | a | 63.03 | a | 58.74 | 68.88 | ||||||||
1990 | 50.06 | 52.21 | 62.52 | 72.63 | 68.71 | 81.37 | 91.29 | 86.87 | 84.90 | 72.74 | 58.87 | 47.52 | b | 69.14 | ||||||||||||
1991 | 55.39 | 63.25 | 52.17 | b | 62.80 | 69.45 | b | 78.60 | 93.06 | 87.06 | 91.17 | 78.94 | 60.23 | 51.61 | 70.31 | |||||||||||
1992 | 52.16 | 56.26 | b | 62.55 | b | 68.37 | 83.58 | 81.77 | 87.35 | 91.94 | 84.60 | 74.94 | 59.03 | 45.13 | a | 70.64 | ||||||||||
1993 | 44.74 | 48.00 | 60.19 | 62.27 | 70.03 | 78.83 | 84.29 | 86.00 | 85.60 | 72.16 | 58.90 | 50.33 | a | 66.78 | ||||||||||||
1994 | 54.38 | b | 49.71 | 64.50 | a | 67.13 | 74.33 | a | 81.53 | 94.03 | 90.35 | 85.30 | 70.32 | 46.59 | a | 43.53 | a | 68.48 | ||||||||
1995 | 45.93 | a | 63.79 | 54.19 | 61.40 | 72.67 | a | 76.93 | 85.39 | 87.19 | 84.50 | 74.32 | 64.23 | 51.28 | b | 68.49 | ||||||||||
1996 | 47.90 | 52.32 | a | 61.47 | a | 64.60 | 71.52 | 83.97 | 92.48 | 92.39 | 81.03 | 70.71 | 58.57 | 48.87 | 68.82 | |||||||||||
1997 | 49.55 | b | 56.43 | 64.30 | a | 65.03 | 79.29 | 79.67 | 88.68 | 86.84 | 81.47 | 69.19 | 55.52 | a | 51.67 | a | 68.97 | |||||||||
1998 | 47.97 | a | 44.43 | 56.97 | 63.20 | 62.23 | 79.17 | 90.61 | 93.23 | 84.77 | 69.16 | 51.76 | a | 47.90 | b | 65.95 | ||||||||||
1999 | 52.87 | 46.93 | a | 52.93 | b | 64.20 | 75.27 | a | 82.41 | a | 88.26 | 85.94 | 88.23 | 76.39 | 58.00 | a | 55.03 | a | 68.87 | |||||||
2000 | 49.10 | a | 50.83 | 59.63 | a | 68.37 | 73.03 | b | 86.77 | 87.58 | 90.35 | 81.70 | 70.32 | 55.21 | a | 55.07 | a | 69.00 | ||||||||
2001 | 50.87 | 48.26 | a | 63.84 | 63.40 | 82.93 | a | 82.57 | 88.68 | 91.13 | 85.00 | 74.71 | 55.52 | a | 43.52 | 69.20 | ||||||||||
2002 | 47.29 | 56.81 | a | 58.55 | 68.07 | a | 75.37 | a | 85.30 | 93.29 | 90.42 | 85.90 | 75.13 | 63.03 | 48.50 | a | 70.64 | |||||||||
2003 | 53.42 | 56.21 | 60.07 | a | 54.53 | 73.71 | 86.30 | 94.03 | 87.39 | 87.52 | a | 77.03 | 52.41 | a | 48.35 | 69.25 | ||||||||||
2004 | 47.06 | 50.52 | 68.35 | 69.83 | 74.94 | 85.37 | 91.39 | 90.23 | 83.63 | 70.33 | a | 59.53 | 52.93 | a | 70.34 | |||||||||||
2005 | 49.30 | a | 57.75 | 62.35 | 63.20 | 72.03 | 76.31 | a | 92.58 | 91.23 | 81.33 | 70.87 | 57.41 | a | 50.97 | b | 68.78 | |||||||||
2006 | 45.59 | b | 56.54 | 46.10 | 60.57 | 76.58 | 85.37 | 92.74 | 89.65 | 86.50 | 73.48 | 53.59 | a | 50.07 | c | 68.06 | ||||||||||
2007 | 53.58 | 53.74 | a | 66.35 | 68.33 | 78.42 | 83.77 | 91.39 | 90.35 | 80.73 | 66.29 | 61.00 | 45.42 | 69.95 | ||||||||||||
2008 | 43.57 | a | 54.17 | 58.94 | 65.70 | 75.29 | 85.33 | 92.13 | 91.55 | 87.80 | 74.06 | 61.30 | 48.10 | 69.83 | ||||||||||||
2009 | 55.65 | 51.04 | 58.00 | 67.13 | 78.03 | 80.73 | 93.77 | 90.32 | 87.70 | 68.16 | 58.37 | 47.23 | 69.68 | |||||||||||||
2010 | 48.45 | 52.50 | 57.84 | 57.33 | 65.77 | 79.97 | 92.48 | 87.97 | 83.83 | 71.06 | 55.28 | a | 46.74 | 66.60 | ||||||||||||
2011 | 54.71 | 52.46 | 48.87 | 60.47 | 66.97 | 77.27 | 87.16 | 91.32 | 88.90 | 70.13 | 53.43 | 54.00 | 67.14 | |||||||||||||
2012 | 50.32 | 53.59 | 50.52 | 62.30 | 74.81 | 78.10 | 89.71 | 94.39 | 89.50 | 73.39 | 56.83 | 44.10 | 68.13 | |||||||||||||
2013 | 47.16 | 55.86 | 61.61 | 66.43 | 74.29 | 82.70 | 93.97 | 88.42 | 79.93 | 70.13 | 60.67 | 51.35 | 69.38 | |||||||||||||
2014 | 57.94 | 52.71 | 58.52 | 66.60 | 76.48 | 84.50 | 95.26 | 90.81 | 84.57 | 71.81 | 56.57 | 48.19 | 70.33 | |||||||||||||
2015 | ----- | z | 60.14 | 65.87 | 66.03 | 73.16 | 88.73 | 89.39 | 89.29 | 82.97 | 75.03 | 55.10 | 42.71 | 71.68 | a | |||||||||||
2016 | 43.16 | 58.00 | 56.16 | 68.27 | 73.06 | 84.07 | 89.90 | 92.87 | 83.23 | 62.61 | 56.43 | 44.74 | 67.71 | |||||||||||||
2017 | 42.10 | 49.71 | 56.26 | 59.37 | 75.87 | 83.36 | b | 93.93 | a | 94.90 | 83.00 | 71.65 | 52.23 | 51.97 | a | 67.86 | ||||||||||
2018 | 50.77 | 55.43 | 51.61 | 64.27 | 75.71 | 82.93 | 94.19 | 88.94 | 82.37 | 71.03 | 60.47 | 47.74 | 68.79 | |||||||||||||
2019 | 50.13 | 42.00 | 51.90 | 65.07 | 70.58 | 83.80 | 88.90 | 89.81 | 78.93 | 68.32 | 64.23 | 43.42 | 66.42 | |||||||||||||
2020 | 45.55 | 59.34 | 55.29 | 67.67 | 72.42 | 81.97 | 92.26 | 92.35 | 87.60 | 78.23 | 57.37 | 49.77 | 69.98 | |||||||||||||
2021 | 46.84 | 50.75 | 55.29 | 70.07 | 76.39 | 88.53 | 96.81 | 91.48 | 84.27 | 64.94 | 57.73 | 45.39 | 69.04 | |||||||||||||
2022 | 54.35 | 59.57 | 62.94 | 60.40 | 69.42 | 81.60 | 92.58 | 94.39 | 85.83 | 79.68 | 51.93 | 42.13 | 69.57 | |||||||||||||
2023 | 46.42 | 51.21 | 44.55 | 62.10 | 74.06 | 81.33 | 94.06 | 89.55 | 79.93 | 70.06 | 58.87 | 52.19 | 67.03 | |||||||||||||
2024 | 45.74 | 49.41 | 53.65 | 64.95 | i | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 49.60 | i | |||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 49.63 | 53.58 | 57.74 | 64.89 | 73.88 | 82.18 | 90.63 | 89.82 | 83.55 | 71.97 | 56.71 | 48.98 | 68.64 | |||||||||||||
S.D. | 3.90 | 4.75 | 5.54 | 4.19 | 3.95 | 3.25 | 3.23 | 2.52 | 3.82 | 4.14 | 4.06 | 3.90 | 1.43 | |||||||||||||
SKEW | 0.18 | 0.12 | -0.25 | -0.07 | -0.31 | -0.23 | -0.44 | 0.00 | -0.75 | 0.07 | -0.28 | 0.26 | -0.89 | |||||||||||||
MAX | 57.94 | 64.10 | 68.35 | 73.40 | 83.58 | 88.73 | 96.81 | 94.90 | 91.17 | 81.39 | 64.23 | 58.74 | 70.64 | |||||||||||||
MIN | 42.10 | 42.00 | 44.55 | 54.53 | 62.23 | 73.87 | 82.94 | 85.42 | 72.70 | 62.61 | 46.59 | 42.13 | 64.87 | |||||||||||||
YRS | 45 | 46 | 46 | 44 | 45 | 45 | 46 | 46 | 46 | 46 | 46 | 46 | 43 |