YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1981 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 87.55 | 84.48 | b | 76.10 | 59.83 | b | 55.93 | a | 48.26 | 68.69 | f | |||
1982 | 35.45 | 44.50 | 49.10 | 60.54 | b | 67.45 | 76.77 | 84.19 | 82.40 | a | 72.30 | 60.80 | a | 47.50 | 37.81 | 59.90 | ||||||||||
1983 | 42.00 | 46.52 | a | 49.30 | a | 52.75 | b | 66.74 | 76.41 | a | 82.47 | a | 80.97 | 78.83 | 66.84 | 51.53 | 41.72 | b | 61.34 | |||||||
1984 | 42.43 | a | 46.96 | a | 51.00 | 56.93 | b | 78.61 | 73.83 | x | 85.33 | m | 83.67 | a | 79.23 | 56.43 | c | 50.36 | p | 40.27 | e | 59.50 | c | |||
1985 | 36.81 | d | 41.11 | a | 50.15 | d | 64.28 | a | 71.10 | 83.75 | b | ----- | z | 86.93 | p | 71.97 | 64.42 | 45.73 | 41.03 | 57.03 | b | |||||
1986 | 48.77 | 46.46 | 57.68 | 57.72 | a | 69.10 | 82.50 | 82.68 | 85.06 | 69.37 | 61.19 | 51.23 | 43.52 | 62.94 | ||||||||||||
1987 | 38.84 | 43.07 | 48.32 | 64.77 | 66.94 | 81.70 | 82.19 | 81.32 | 76.80 | 68.55 | 48.93 | 38.23 | 61.64 | |||||||||||||
1988 | 37.03 | 46.97 | 49.35 | 59.59 | h | 69.23 | 81.40 | 88.23 | 84.65 | 74.23 | 72.32 | 51.93 | 42.26 | 63.42 | a | |||||||||||
1989 | 33.39 | 41.39 | 58.06 | 67.87 | 70.77 | 78.13 | 89.29 | 82.65 | 77.93 | 67.68 | 57.40 | 46.03 | 64.22 | |||||||||||||
1990 | 44.77 | 43.43 | 54.81 | 63.40 | 68.06 | 83.17 | 86.55 | 84.03 | 79.17 | 69.33 | m | 54.95 | i | 36.48 | 64.39 | b | ||||||||||
1991 | 37.90 | 50.93 | 47.23 | 57.23 | 66.26 | 78.23 | 85.61 | 83.00 | 76.67 | 67.87 | 49.80 | 44.32 | 62.09 | |||||||||||||
1992 | 41.19 | 49.14 | 53.16 | 67.33 | 71.77 | 79.47 | 83.00 | 83.13 | ----- | z | 69.42 | 45.63 | 38.61 | 61.99 | a | |||||||||||
1993 | 39.55 | 39.93 | 52.48 | 59.47 | 70.23 | 75.97 | 83.81 | 82.35 | 77.93 | 63.16 | 49.23 | 43.29 | 61.45 | |||||||||||||
1994 | 47.23 | 42.71 | 56.29 | 59.17 | 71.35 | 84.47 | 89.39 | 86.26 | 77.60 | 60.40 | a | 43.77 | 42.29 | 63.41 | ||||||||||||
1995 | 40.81 | 54.96 | 51.61 | 56.00 | 62.29 | 72.73 | 84.32 | 85.90 | 79.17 | 68.35 | 59.97 | 47.00 | 63.59 | |||||||||||||
1996 | 44.39 | 50.07 | 53.94 | 61.10 | 72.26 | 83.23 | 88.26 | 86.68 | 74.73 | 62.35 | 53.23 | 42.29 | 64.38 | |||||||||||||
1997 | 37.29 | 41.82 | 58.65 | 54.43 | 72.35 | 78.43 | 84.13 | 80.87 | 74.70 | 65.48 | 53.90 | 40.61 | 61.89 | |||||||||||||
1998 | 46.19 | 41.07 | 50.94 | 54.50 | 67.35 | 73.67 | 88.16 | 87.32 | 75.03 | 61.42 | 52.30 | 43.32 | 61.77 | |||||||||||||
1999 | 47.19 | 49.04 | 58.32 | 52.73 | 66.00 | 77.57 | 85.06 | 80.71 | 75.03 | 72.55 | 63.10 | 46.65 | 64.50 | |||||||||||||
2000 | 44.40 | a | 49.79 | 52.87 | 67.57 | 74.13 | 82.97 | 88.52 | 84.65 | 77.23 | 63.00 | 44.13 | 48.16 | 64.78 | ||||||||||||
2001 | 42.52 | 46.36 | 51.84 | 61.83 | 76.50 | a | 82.67 | 86.32 | 87.58 | 83.39 | b | 72.13 | 55.61 | b | 40.56 | d | 65.61 | |||||||||
2002 | 37.97 | a | 46.71 | 49.68 | 66.13 | 72.23 | 86.43 | 91.83 | a | 88.87 | 77.87 | 66.65 | 50.03 | ----- | z | 66.76 | a | |||||||||
2003 | 47.52 | 42.93 | 52.36 | f | 58.50 | 73.06 | 84.07 | 93.23 | 85.84 | 80.23 | 76.03 | 49.50 | 45.29 | 66.93 | a | |||||||||||
2004 | 38.03 | 39.41 | 62.77 | 61.57 | 73.87 | 82.63 | 86.87 | 83.32 | 77.57 | 59.39 | 48.53 | 45.19 | 63.26 | |||||||||||||
2005 | 45.39 | 46.39 | 51.58 | 58.03 | 67.19 | 72.23 | ----- | z | 79.77 | 75.27 | 65.93 | a | 54.10 | 43.77 | 59.97 | a | ||||||||||
2006 | ----- | z | 47.18 | ----- | z | 61.70 | 73.03 | 82.03 | 85.00 | 81.87 | a | 71.23 | 61.61 | 54.33 | 37.39 | 65.54 | b | |||||||||
2007 | 34.33 | a | 46.79 | 57.74 | 60.87 | 71.06 | 80.80 | 86.58 | 83.77 | a | 76.33 | 64.19 | 58.17 | 36.42 | 63.09 | |||||||||||
2008 | 33.63 | a | ----- | z | 51.94 | 57.10 | 64.65 | 78.53 | 85.13 | 85.32 | 77.83 | 67.97 | 56.63 | 37.90 | 63.33 | a | ||||||||||
2009 | 41.29 | 45.25 | 52.26 | ----- | z | 73.93 | d | 73.96 | b | 85.61 | 83.42 | 78.17 | 60.27 | a | 55.53 | 32.74 | 62.04 | a | ||||||||
2010 | 35.10 | 39.25 | 47.48 | 52.09 | s | 60.35 | ----- | z | 84.60 | f | 82.33 | a | 79.46 | b | 63.90 | 46.17 | a | 43.96 | g | 56.76 | d | |||||
2011 | 39.45 | 39.46 | d | 51.39 | 56.13 | 59.89 | d | 76.59 | h | 83.34 | b | 84.68 | 75.63 | 64.58 | 50.52 | a | 39.48 | 58.60 | a | |||||||
2012 | 48.33 | g | 43.93 | 53.53 | a | 61.86 | a | 69.82 | t | 84.20 | 84.16 | 85.67 | m | ----- | z | ----- | z | ----- | z | ----- | z | 65.54 | g | |||
2013 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 82.70 | ----- | z | ----- | z | ----- | z | ----- | z | 52.33 | 35.80 | a | 56.94 | i | ||
2014 | 46.29 | 48.81 | a | 54.07 | d | 59.97 | a | 61.71 | x | 82.07 | p | 85.74 | 78.69 | b | 76.90 | 68.32 | 50.84 | e | ----- | z | 63.29 | c | ||||
2015 | 48.03 | ----- | z | 57.29 | 56.53 | 64.92 | f | 83.27 | d | 80.33 | p | 82.95 | j | 80.12 | e | 67.44 | d | ----- | z | ----- | z | 65.45 | f | |||
2016 | 33.29 | j | 44.24 | d | 56.12 | g | 53.00 | p | 65.26 | 84.43 | 85.23 | 81.68 | 74.37 | 67.45 | 55.47 | 40.52 | 66.52 | c | ||||||||
2017 | 35.84 | 48.54 | 59.10 | 59.67 | 68.77 | 83.33 | 86.39 | 83.61 | 72.90 | 66.71 | 60.57 | 50.03 | 64.62 | |||||||||||||
2018 | 48.13 | 45.64 | 52.13 | 65.00 | 69.68 | 84.30 | 86.45 | 85.55 | 81.07 | 59.97 | 51.80 | 37.16 | 63.91 | |||||||||||||
2019 | 36.55 | 36.30 | a | 50.48 | 59.80 | 59.81 | 75.57 | 84.13 | 84.71 | 77.67 | 62.10 | 55.59 | a | 38.97 | 60.14 | |||||||||||
2020 | 41.84 | 44.79 | 50.26 | 59.53 | 73.45 | 78.77 | 85.03 | 89.16 | 78.53 | 72.03 | 54.20 | 41.94 | 64.13 | |||||||||||||
2021 | 40.39 | 43.64 | 50.00 | 61.60 | 70.61 | 85.00 | 86.81 | 84.26 | 80.47 | 61.16 | 59.50 | 42.97 | 63.87 | |||||||||||||
2022 | 42.55 | 44.64 | 53.48 | 61.85 | c | 70.29 | ----- | z | 86.68 | 83.16 | 81.93 | a | 66.65 | 44.30 | 39.48 | 61.37 | a | |||||||||
2023 | 34.87 | 38.82 | 42.03 | 57.20 | 69.48 | 73.77 | 88.68 | 81.32 | 75.67 | 67.39 | 53.50 | 45.65 | 60.70 | |||||||||||||
2024 | 41.26 | d | 45.86 | 50.65 | 52.38 | v | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 45.92 | i | ||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 40.94 | 44.87 | 52.64 | 60.07 | 69.35 | 80.25 | 86.12 | 83.82 | 76.92 | 65.35 | 52.37 | 41.67 | 62.92 | |||||||||||||
S.D. | 4.56 | 3.85 | 4.00 | 3.96 | 4.32 | 3.96 | 2.48 | 2.37 | 2.96 | 4.34 | 4.75 | 3.93 | 1.58 | |||||||||||||
SKEW | 0.10 | 0.07 | 0.21 | 0.19 | -0.46 | -0.53 | 0.77 | 0.21 | -0.32 | 0.27 | 0.08 | 0.05 | -0.34 | |||||||||||||
MAX | 48.77 | 54.96 | 62.77 | 67.87 | 78.61 | 86.43 | 93.23 | 89.16 | 83.39 | 76.03 | 63.10 | 50.03 | 65.61 | |||||||||||||
MIN | 33.39 | 36.30 | 42.03 | 52.73 | 59.81 | 72.23 | 82.19 | 78.69 | 69.37 | 56.43 | 43.77 | 32.74 | 59.90 | |||||||||||||
YRS | 39 | 40 | 39 | 37 | 38 | 37 | 37 | 39 | 40 | 40 | 39 | 38 | 23 |