YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1978 | ----- | z | ----- | z | ----- | z | 59.95 | i | 65.74 | d | 80.93 | b | 89.32 | i | 85.65 | 78.03 | 69.83 | a | 48.36 | b | 31.58 | 65.73 | e | |||
1979 | 28.17 | b | 36.43 | 43.61 | 58.43 | 66.00 | 79.50 | 86.42 | 82.42 | 81.33 | 69.06 | 40.21 | b | 40.00 | a | 59.30 | ||||||||||
1980 | 34.32 | 42.31 | 44.24 | b | 56.48 | c | 61.74 | 82.14 | a | 87.74 | 83.81 | 75.70 | 63.10 | 50.10 | 47.10 | 60.73 | ||||||||||
1981 | 44.87 | a | 44.46 | 47.65 | 64.33 | 66.52 | 83.17 | 84.84 | 83.81 | 75.73 | 58.35 | 52.47 | 42.50 | a | 62.39 | |||||||||||
1982 | 34.53 | a | 39.04 | 48.42 | 56.63 | 66.35 | 77.33 | 85.06 | 82.61 | 72.86 | a | 58.45 | 45.00 | 36.03 | 58.53 | |||||||||||
1983 | 38.35 | 41.36 | 46.40 | a | 51.31 | a | 63.45 | 75.00 | a | 83.45 | 83.13 | 79.70 | 64.06 | 48.77 | 34.65 | 59.14 | ||||||||||
1984 | 32.19 | 38.90 | 45.40 | a | 53.38 | a | 72.23 | 76.33 | 85.81 | 83.84 | 78.03 | 55.33 | a | 50.43 | b | 38.71 | 59.21 | |||||||||
1985 | 33.55 | 36.61 | 47.94 | 61.73 | 70.26 | 81.70 | 86.52 | 86.29 | 69.39 | b | 62.35 | 45.03 | 38.71 | 60.01 | ||||||||||||
1986 | 42.70 | a | 45.18 | 57.23 | a | 58.27 | 67.32 | 81.60 | 82.71 | 85.83 | b | 67.47 | 59.94 | 49.27 | 41.32 | 61.57 | ||||||||||
1987 | 37.54 | g | 39.23 | b | 44.50 | a | 62.33 | 68.87 | 81.80 | 85.45 | 79.81 | 75.43 | 66.03 | 47.00 | 36.13 | 62.42 | a | |||||||||
1988 | 32.63 | a | 40.00 | 47.90 | b | 58.20 | 67.23 | 82.00 | 87.81 | 85.58 | 73.57 | 70.13 | a | 48.00 | b | 38.71 | 60.98 | |||||||||
1989 | 32.35 | 38.36 | 54.39 | 65.10 | 72.23 | 80.63 | 89.39 | 83.42 | 78.60 | 65.26 | 52.40 | 42.45 | 62.88 | |||||||||||||
1990 | 42.71 | q | 42.63 | a | 53.32 | 62.83 | 68.39 | 85.03 | 87.90 | 83.23 | a | 78.48 | a | 64.19 | 50.20 | 30.53 | a | 64.25 | a | |||||||
1991 | 32.16 | 43.21 | 45.26 | 56.70 | 68.74 | 79.70 | 84.68 | 85.35 | 77.21 | a | 67.73 | a | 45.90 | a | 35.10 | 60.15 | ||||||||||
1992 | 32.29 | 41.17 | 53.52 | 65.37 | 71.62 | g | 78.37 | 81.58 | 83.58 | 76.40 | 67.87 | 42.07 | 35.68 | 59.81 | a | |||||||||||
1993 | 36.60 | a | 40.04 | e | 50.81 | 59.57 | b | 69.84 | 77.00 | 85.32 | 82.03 | 74.77 | 62.97 | a | 44.87 | 39.19 | 60.25 | |||||||||
1994 | 39.39 | 38.48 | e | 54.65 | 59.77 | 70.94 | 88.94 | n | 90.74 | 88.58 | 78.17 | 62.70 | a | 44.39 | b | 41.29 | 60.83 | a | ||||||||
1995 | 37.48 | 50.21 | 51.65 | 55.83 | 60.74 | 74.20 | 85.29 | 87.47 | a | 78.57 | 66.03 | 55.93 | 44.84 | 62.35 | ||||||||||||
1996 | 41.53 | a | 47.50 | a | 51.80 | a | 60.13 | 75.68 | 83.23 | 90.48 | 88.77 | 72.10 | 60.68 | 47.14 | a | 42.03 | a | 63.42 | ||||||||
1997 | 44.68 | 43.52 | a | 55.60 | a | 53.80 | 70.58 | 81.23 | 87.26 | 83.03 | 74.73 | 64.78 | d | 46.42 | f | 35.58 | 63.16 | a | ||||||||
1998 | 40.42 | 39.25 | 49.61 | 53.43 | 68.10 | 75.20 | 86.33 | a | 84.16 | 78.73 | 65.26 | 54.97 | 38.39 | m | 63.22 | a | ||||||||||
1999 | 33.10 | a | 38.40 | c | 56.84 | ----- | z | 67.87 | a | 77.83 | 80.48 | 76.00 | g | 72.00 | j | 67.80 | a | 58.93 | ----- | z | 60.16 | d | ||||
2000 | ----- | z | ----- | z | 49.13 | ----- | z | ----- | z | 80.30 | t | 86.50 | a | 80.64 | t | 76.29 | b | 59.00 | c | 39.11 | b | 40.13 | 58.36 | f | ||
2001 | 34.97 | a | 39.96 | 49.42 | 58.41 | a | 72.68 | 82.89 | c | 85.47 | a | 81.17 | a | 78.19 | i | 64.54 | c | 48.69 | d | 33.33 | a | 59.23 | a | |||
2002 | 33.47 | a | 37.36 | 47.53 | a | 64.30 | 71.66 | b | 85.30 | 88.87 | 83.87 | 71.32 | b | 57.29 | 45.47 | 38.26 | 60.39 | |||||||||
2003 | 44.19 | 38.25 | 48.37 | a | 58.86 | a | 70.61 | 79.47 | 91.73 | a | 85.50 | c | 74.41 | c | 67.63 | a | 44.57 | 38.94 | 61.88 | |||||||
2004 | 36.03 | b | 35.62 | 59.00 | b | 58.07 | 70.90 | a | 81.47 | 85.67 | a | 82.87 | 72.17 | 58.55 | 44.50 | 38.48 | 60.28 | |||||||||
2005 | 41.84 | 43.22 | a | 48.45 | 60.56 | e | 71.21 | q | 77.59 | a | 91.32 | c | 80.13 | h | 74.48 | g | 60.65 | h | 49.69 | d | 41.65 | n | 58.95 | e | ||
2006 | 41.04 | e | 43.57 | e | 45.12 | g | 64.52 | i | 75.00 | t | 80.71 | w | 86.14 | j | 81.67 | p | 69.05 | i | 57.95 | i | 49.80 | e | 36.18 | n | 44.80 | i |
2007 | 37.33 | g | 42.62 | b | 52.52 | j | 59.05 | i | 72.60 | p | 83.05 | k | 89.64 | i | 84.40 | p | 76.00 | f | 62.79 | g | 55.31 | n | 32.52 | d | 37.57 | j |
2008 | 32.39 | h | 37.35 | f | 44.80 | p | 58.29 | p | 66.64 | i | 77.29 | p | 86.94 | n | 84.95 | j | 75.62 | i | 62.52 | b | 51.28 | a | 34.97 | b | 49.59 | i |
2009 | 37.39 | 42.81 | a | 52.37 | a | 57.10 | 71.43 | a | 75.10 | 86.96 | c | 83.92 | e | 72.90 | a | 56.26 | 49.70 | 30.06 | 59.67 | |||||||
2010 | 33.90 | 34.68 | 44.32 | 58.47 | 66.41 | d | 80.90 | 87.19 | 81.87 | 78.27 | 62.45 | 44.77 | 41.75 | c | 59.58 | |||||||||||
2011 | 32.45 | 36.32 | 50.71 | 54.37 | 63.87 | 80.17 | 85.68 | 86.97 | 74.70 | 61.06 | 47.73 | 37.48 | 59.29 | |||||||||||||
2012 | 40.77 | 39.14 | 54.48 | 63.70 | 73.58 | 86.47 | 85.74 | 85.58 | 75.77 | 64.10 | 55.07 | 36.03 | 63.37 | |||||||||||||
2013 | 29.97 | a | 36.11 | a | 52.00 | 56.60 | 68.87 | 85.20 | 86.97 | 81.48 | 73.77 | 57.71 | 47.33 | 34.03 | 59.17 | |||||||||||
2014 | 40.55 | 44.43 | 52.58 | 58.00 | 68.87 | 82.73 | 87.52 | 79.35 | 76.83 | 64.16 | 48.50 | 39.35 | 61.91 | |||||||||||||
2015 | 40.68 | 47.36 | 56.32 | 58.77 | 63.93 | a | 83.00 | 82.68 | 83.45 | 78.53 | 63.84 | 45.07 | 26.37 | a | 60.83 | |||||||||||
2016 | ----- | z | 45.88 | c | 52.84 | 57.57 | 65.97 | 86.53 | 87.35 | 81.23 | 74.67 | 68.48 | 53.43 | 38.00 | 64.72 | a | ||||||||||
2017 | 34.65 | 45.79 | 57.26 | 59.23 | 68.84 | 86.57 | 87.68 | 84.39 | 76.73 | 65.06 | 56.93 | 44.10 | a | 63.94 | ||||||||||||
2018 | 42.77 | 43.04 | 51.87 | 65.34 | a | 74.29 | c | 86.11 | c | 89.65 | 86.06 | 79.37 | 55.97 | 46.86 | a | 35.81 | 63.09 | |||||||||
2019 | 35.52 | 34.25 | 46.45 | 60.77 | 60.97 | 78.69 | a | 87.55 | 87.52 | 79.75 | b | 58.77 | 50.33 | 36.83 | a | 59.78 | ||||||||||
2020 | 36.07 | a | 40.21 | 51.00 | a | 60.47 | 75.24 | b | 81.67 | 88.23 | 90.55 | 78.20 | 67.00 | 51.63 | 37.42 | 63.14 | ||||||||||
2021 | 36.68 | 39.64 | 48.00 | 62.63 | 71.80 | a | 86.37 | 88.45 | 84.37 | a | 77.83 | 60.00 | 54.20 | 40.55 | 62.54 | |||||||||||
2022 | 39.84 | 40.15 | a | 50.35 | 60.77 | 71.87 | 83.60 | 87.97 | a | 83.81 | 79.33 | 61.27 | a | 42.93 | 37.60 | a | 61.62 | |||||||||
2023 | 33.35 | 35.75 | 40.52 | 58.10 | 70.83 | a | 78.34 | a | 91.58 | 84.97 | 77.21 | b | 66.48 | b | 52.00 | a | 42.61 | c | 60.98 | |||||||
2024 | 38.97 | a | 45.29 | a | 50.67 | d | 56.82 | s | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 44.97 | i |
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 36.91 | 40.86 | 50.33 | 59.14 | 68.79 | 81.03 | 86.81 | 84.28 | 76.08 | 63.12 | 48.66 | 37.78 | 61.04 | |||||||||||||
S.D. | 4.29 | 3.75 | 4.22 | 3.47 | 3.71 | 3.47 | 2.54 | 2.38 | 3.00 | 3.99 | 4.37 | 4.19 | 1.54 | |||||||||||||
SKEW | 0.15 | 0.31 | -0.03 | -0.01 | -0.35 | -0.15 | -0.18 | 0.37 | -0.80 | -0.18 | 0.15 | -0.32 | 0.25 | |||||||||||||
MAX | 44.87 | 50.21 | 59.00 | 65.37 | 75.68 | 86.57 | 91.73 | 90.55 | 81.33 | 70.13 | 58.93 | 47.10 | 63.94 | |||||||||||||
MIN | 28.17 | 34.25 | 40.52 | 51.31 | 60.74 | 74.20 | 80.48 | 79.35 | 67.47 | 55.33 | 39.11 | 26.37 | 58.53 | |||||||||||||
YRS | 40 | 44 | 43 | 40 | 40 | 41 | 42 | 40 | 40 | 43 | 44 | 42 | 31 |