YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1987 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 64.17 | 60.48 | 47.03 | 41.42 | 53.28 | h | ||||
1988 | 38.74 | 44.48 | 48.61 | 56.10 | 63.97 | 70.63 | 68.48 | 66.13 | 65.00 | 60.71 | 48.70 | 41.23 | 56.07 | |||||||||||||
1989 | 40.29 | 45.68 | 53.52 | 63.40 | 68.10 | 74.33 | 70.71 | 67.87 | 66.23 | 59.16 | 49.50 | 41.58 | 58.36 | |||||||||||||
1990 | 41.16 | 41.29 | 48.71 | 56.90 | 62.61 | 76.77 | 66.58 | 66.90 | 63.47 | 59.10 | 50.11 | b | 41.81 | d | 56.28 | |||||||||||
1991 | 37.29 | 44.32 | 44.74 | 56.03 | 66.26 | 71.28 | a | 65.74 | 66.48 | 62.33 | 60.26 | 45.80 | 38.90 | b | 54.95 | |||||||||||
1992 | 37.38 | e | 38.86 | 47.13 | 58.80 | 59.00 | 70.60 | 72.03 | a | 69.58 | 68.27 | 60.61 | 42.57 | 40.33 | d | 55.43 | ||||||||||
1993 | 39.57 | a | 41.62 | d | 49.59 | d | 57.07 | a | 62.83 | a | 72.70 | 71.53 | a | 68.65 | 66.75 | b | 57.44 | d | 46.31 | a | 44.19 | e | 56.52 | |||
1994 | 43.31 | b | 42.28 | c | 49.82 | c | 56.85 | c | 64.85 | d | 76.21 | b | 74.00 | d | 73.56 | d | 67.19 | c | 57.54 | e | 50.08 | f | 44.31 | b | 59.08 | a |
1995 | 40.19 | e | 47.63 | a | 49.86 | c | 55.09 | g | 63.46 | g | 71.12 | d | 73.07 | b | 70.67 | d | 66.23 | d | 63.30 | d | 53.11 | b | 43.27 | a | 57.84 | b |
1996 | 43.21 | b | 49.19 | c | 49.70 | a | 59.62 | i | 72.25 | c | 75.19 | d | 71.62 | b | 69.07 | d | 63.93 | c | 59.36 | c | 53.00 | e | 44.79 | c | 59.21 | a |
1997 | 39.52 | d | 41.75 | d | 52.53 | a | 52.00 | d | 64.50 | e | 72.07 | c | 72.17 | b | 70.97 | a | 69.68 | b | 59.36 | c | 48.52 | a | 36.11 | d | 56.60 | |
1998 | 42.17 | a | 38.13 | e | 46.15 | d | 52.58 | f | 67.46 | c | 75.93 | c | 70.73 | e | 69.84 | 69.80 | 59.82 | c | 52.79 | a | 45.29 | c | 58.01 | a | ||
1999 | 46.67 | d | 50.70 | a | 53.00 | c | 56.52 | g | 65.68 | c | 71.22 | c | 69.63 | d | 69.97 | a | 67.73 | d | 63.68 | c | 58.28 | a | 39.31 | b | 59.62 | a |
2000 | 47.10 | a | 51.27 | c | 51.96 | f | 63.65 | g | 72.31 | e | 69.52 | c | 73.10 | b | 71.32 | c | 72.43 | b | 58.61 | c | 42.19 | c | 45.07 | b | 60.29 | b |
2001 | 39.65 | e | 46.12 | d | 47.90 | b | 59.85 | d | 67.33 | d | 73.19 | d | 72.30 | a | 70.61 | c | 68.93 | a | 62.68 | 48.71 | b | 42.74 | d | 58.33 | ||
2002 | 43.78 | d | 44.43 | e | 51.04 | c | 64.00 | e | 67.80 | a | 77.79 | b | 71.28 | b | 72.46 | c | 65.79 | a | 57.00 | f | 49.19 | c | 39.00 | c | 58.78 | a |
2003 | 46.71 | 41.62 | b | 47.52 | b | 57.30 | c | 68.13 | a | 73.10 | 74.71 | 71.35 | 69.30 | 63.79 | b | 53.00 | c | 45.25 | c | 59.31 | ||||||
2004 | 41.63 | a | 38.92 | c | 53.40 | a | 54.23 | d | 66.93 | b | 72.90 | a | 72.45 | b | 69.65 | 65.96 | c | 57.47 | a | 44.63 | c | 43.86 | c | 56.84 | ||
2005 | 44.39 | c | 39.63 | a | 45.78 | d | 55.79 | k | 65.72 | b | 74.55 | a | 75.42 | 68.27 | a | 69.50 | 59.07 | b | 54.36 | b | 46.33 | a | 58.46 | a | ||
2006 | 46.90 | 48.29 | 50.76 | b | 61.81 | i | 70.14 | c | 73.00 | a | 71.26 | 66.50 | a | 62.33 | c | 57.46 | c | 52.62 | a | 42.39 | 58.33 | a | ||||
2007 | 39.69 | b | 44.58 | b | 53.27 | a | 57.19 | c | 62.08 | g | 73.03 | a | 69.97 | 71.52 | 67.87 | 63.40 | k | 55.48 | a | 41.83 | a | 57.44 | b | |||
2008 | 39.39 | 47.15 | b | 52.86 | c | 58.32 | b | 65.79 | c | 77.33 | c | 68.71 | 68.60 | a | 63.93 | a | 61.47 | n | 52.10 | a | 45.24 | b | 58.13 | a | ||
2009 | 46.07 | b | 49.93 | a | 52.82 | c | 56.85 | d | 65.43 | h | 70.28 | a | 74.90 | 72.67 | a | 64.90 | a | 53.50 | u | 52.30 | 32.25 | w | 60.08 | c | ||
2010 | 39.37 | a | 38.37 | a | 47.62 | e | 56.81 | c | 64.45 | 75.55 | a | 69.59 | b | 71.33 | a | 69.87 | 58.47 | p | 49.34 | a | 47.84 | 57.29 | a | |||
2011 | 44.30 | a | 45.71 | d | 57.27 | a | 62.85 | d | 66.14 | b | 79.17 | a | 73.30 | a | 74.58 | 68.69 | a | 58.80 | p | 49.14 | b | 39.61 | c | 60.07 | a | |
2012 | 44.86 | i | 43.17 | 52.90 | 62.10 | 66.06 | 78.50 | 71.42 | 73.74 | 67.00 | 62.60 | p | 54.53 | 42.48 | 61.19 | b | ||||||||||
2013 | 38.94 | 40.86 | 52.58 | 58.77 | 65.94 | 77.86 | i | 69.48 | 69.94 | 64.23 | 57.85 | k | 48.53 | 42.10 | 55.14 | b | ||||||||||
2014 | 44.35 | 47.56 | a | 51.32 | 56.23 | 63.70 | a | 78.03 | 72.00 | 67.87 | 65.33 | 61.70 | d | 51.80 | 43.77 | 58.64 | ||||||||||
2015 | 44.16 | 47.07 | 48.94 | 55.03 | 61.43 | c | 72.10 | 71.45 | 72.84 | 70.17 | 59.64 | f | 49.77 | 41.10 | b | 57.64 | a | |||||||||
2016 | 39.58 | 48.86 | a | 54.24 | b | 56.85 | d | 63.59 | n | 73.07 | a | 77.97 | 68.53 | a | 67.00 | 65.46 | c | 49.10 | 45.81 | 58.77 | a | |||||
2017 | 40.42 | 48.61 | 57.75 | c | 59.73 | 64.40 | a | 77.45 | a | 71.58 | 70.10 | 68.96 | b | 62.16 | 58.20 | 46.00 | b | 60.45 | ||||||||
2018 | 46.37 | a | 46.96 | 52.48 | 61.37 | 71.26 | 77.30 | 72.81 | 72.00 | a | 67.93 | 54.45 | 47.59 | a | 40.81 | 59.28 | ||||||||||
2019 | 42.00 | 42.39 | 50.23 | 56.90 | 61.23 | 73.37 | 75.97 | 75.35 | 68.93 | 58.16 | 50.50 | 42.40 | a | 58.12 | ||||||||||||
2020 | 42.55 | 42.86 | 49.35 | 58.60 | 70.28 | b | 76.10 | 77.26 | 76.97 | 68.86 | a | 65.48 | 54.07 | a | 42.81 | 60.43 | ||||||||||
2021 | 42.32 | 43.64 | 49.65 | 56.57 | 67.81 | 75.93 | a | 69.81 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 57.96 | e | ||||||
2022 | 42.21 | c | 42.14 | 46.59 | b | 59.03 | 68.68 | 72.43 | 71.16 | 66.97 | 65.53 | 52.39 | 43.63 | 41.58 | 56.03 | |||||||||||
2023 | 37.32 | 39.04 | a | 45.74 | 56.03 | 64.40 | a | 72.03 | 78.13 | 72.55 | 69.77 | 61.06 | 48.79 | a | 43.16 | 57.34 | ||||||||||
2024 | 36.71 | 42.45 | 44.19 | 51.35 | m | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 41.12 | i | |||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 41.82 | 44.26 | 50.27 | 57.99 | 66.17 | 74.11 | 72.01 | 70.44 | 67.06 | 60.03 | 50.15 | 42.68 | 57.59 | |||||||||||||
S.D. | 3.03 | 3.71 | 3.26 | 2.75 | 3.13 | 2.66 | 2.82 | 2.64 | 2.46 | 3.03 | 3.91 | 2.49 | 1.69 | |||||||||||||
SKEW | 0.21 | 0.10 | 0.20 | 0.49 | 0.04 | 0.20 | 0.25 | 0.37 | -0.14 | -0.29 | -0.02 | -0.29 | 0.24 | |||||||||||||
MAX | 47.10 | 51.27 | 57.75 | 64.00 | 72.31 | 79.17 | 78.13 | 76.97 | 72.43 | 65.48 | 58.28 | 47.84 | 60.45 | |||||||||||||
MIN | 36.71 | 38.13 | 44.19 | 52.00 | 59.00 | 69.52 | 65.74 | 66.13 | 62.33 | 52.39 | 42.19 | 36.11 | 54.95 | |||||||||||||
YRS | 36 | 37 | 36 | 29 | 32 | 35 | 36 | 35 | 36 | 27 | 35 | 35 | 17 |