YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1972 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 33.47 | a | 33.47 | k |
1973 | 32.71 | 43.11 | 43.39 | 50.60 | 60.57 | a | 72.23 | 79.36 | c | 76.13 | a | 67.68 | b | 57.71 | 44.50 | b | 38.11 | d | 55.51 | |||||||
1974 | 33.97 | a | 38.31 | b | 48.52 | d | 51.22 | c | 66.04 | c | 70.87 | g | 77.04 | e | 72.83 | a | 69.27 | o | 60.47 | a | 46.85 | c | 36.55 | b | 53.18 | b |
1975 | 35.79 | b | 38.88 | c | 44.47 | a | 48.03 | a | 60.35 | e | 70.57 | 80.13 | a | 76.31 | e | 70.29 | b | 55.69 | b | 44.69 | a | 40.55 | b | 55.48 | ||
1976 | 39.23 | a | 44.71 | a | 44.47 | a | 50.87 | 66.35 | 71.14 | a | 80.23 | a | 74.35 | 69.32 | b | 55.93 | b | 48.20 | 37.03 | 56.82 | ||||||
1977 | 37.85 | d | 45.48 | a | 42.03 | b | 56.07 | c | 58.31 | b | 75.53 | 81.53 | a | 80.10 | b | 70.97 | 62.58 | 47.23 | 42.60 | a | 58.36 | |||||
1978 | 41.40 | a | 44.25 | 50.55 | 52.13 | 61.10 | 73.89 | b | 79.74 | 77.29 | 68.17 | 62.58 | 45.83 | 34.94 | 57.66 | |||||||||||
1979 | 34.32 | 38.54 | 46.39 | 52.63 | 61.87 | 72.30 | 78.87 | 74.94 | 72.73 | 60.55 | 43.23 | 38.67 | a | 56.25 | ||||||||||||
1980 | 41.90 | 44.41 | 43.26 | 51.80 | 58.77 | 70.97 | a | 79.42 | 78.42 | 71.00 | 59.00 | 46.67 | 43.23 | a | 57.40 | |||||||||||
1981 | 42.33 | a | 43.00 | 47.03 | 59.80 | 64.13 | 78.07 | 84.16 | 79.19 | 72.70 | 57.13 | 49.23 | 40.77 | a | 59.80 | |||||||||||
1982 | 37.20 | a | 42.68 | 47.10 | 53.14 | a | 63.42 | 71.93 | 78.61 | 78.90 | 68.70 | 54.39 | 44.31 | a | 37.50 | a | 56.49 | |||||||||
1983 | 39.07 | a | 43.79 | 48.19 | 49.87 | 61.06 | 72.47 | 79.52 | 75.68 | 73.63 | 58.77 | a | 47.67 | 39.61 | 57.44 | |||||||||||
1984 | 38.17 | a | 40.45 | 47.90 | 53.70 | 70.57 | c | 74.57 | 80.80 | a | 76.50 | a | 73.28 | a | 53.00 | a | 44.61 | b | 38.55 | b | 57.67 | |||||
1985 | 38.16 | 38.63 | a | 46.30 | a | 57.31 | a | 66.20 | a | 74.52 | a | 80.68 | 78.58 | 65.76 | a | 57.17 | a | 44.34 | a | 39.20 | a | 57.24 | ||||
1986 | 43.33 | a | 46.29 | 52.71 | 56.40 | 66.07 | a | 77.13 | 78.07 | a | 81.19 | 66.67 | 56.11 | c | 47.10 | 39.03 | b | 59.17 | ||||||||
1987 | 36.61 | 43.75 | 44.55 | 56.60 | 64.87 | 75.10 | 76.26 | 77.40 | a | 70.62 | d | 61.93 | c | 46.97 | 35.93 | a | 57.55 | |||||||||
1988 | 35.61 | c | 42.12 | c | 45.00 | c | 54.40 | e | 61.12 | g | 74.25 | f | 82.35 | e | 75.29 | c | 68.07 | a | 64.19 | d | 45.78 | g | 37.63 | d | 56.07 | c |
1989 | 35.31 | b | 39.88 | d | 48.19 | j | 60.24 | i | 64.15 | d | 72.96 | c | 81.48 | b | 77.04 | d | 69.62 | d | 62.24 | n | 48.18 | h | 38.97 | 59.92 | d | |
1990 | 36.84 | 37.83 | d | 49.81 | d | 57.33 | 64.93 | d | 76.08 | f | 79.74 | 77.38 | e | 71.74 | g | 59.04 | d | 46.79 | a | 30.13 | h | 56.63 | c | |||
1991 | 36.75 | g | 43.94 | j | 43.08 | f | 53.70 | g | 58.04 | h | 71.17 | f | 78.83 | g | 75.80 | f | 69.90 | i | 60.61 | c | 44.89 | c | 39.07 | d | 48.19 | i |
1992 | 36.57 | h | 45.28 | d | 47.87 | h | 56.54 | f | 65.08 | f | 71.07 | a | 77.19 | d | 78.71 | c | 70.92 | d | 60.92 | e | 42.96 | f | 35.00 | f | 67.35 | f |
1993 | 37.08 | e | 41.71 | k | 49.43 | h | 54.00 | i | 64.09 | h | 73.00 | d | 78.73 | a | 76.25 | c | 68.61 | b | 59.00 | j | 41.75 | f | 36.56 | d | 61.70 | f |
1994 | 38.67 | g | 39.70 | h | 51.00 | g | 53.05 | j | 65.04 | d | 78.38 | a | 82.86 | c | 81.62 | g | 72.68 | b | 55.11 | d | 39.86 | b | 37.50 | m | 65.65 | f |
1995 | 40.88 | g | 49.12 | c | 49.12 | g | 53.76 | a | 59.82 | c | 67.68 | b | 79.21 | c | 80.33 | a | 71.50 | d | 56.60 | f | 50.59 | a | 40.00 | d | 61.33 | c |
1996 | 38.04 | d | 46.63 | b | 45.18 | c | 55.37 | c | 65.80 | f | 76.90 | a | 83.24 | b | 81.25 | c | 70.96 | b | 56.31 | b | 47.91 | h | 39.08 | g | 61.54 | c |
1997 | 41.72 | f | 43.48 | c | 47.59 | i | 52.80 | e | 70.21 | g | 74.70 | c | 78.28 | f | 81.24 | b | 71.31 | d | 57.25 | c | 47.89 | b | 38.41 | d | 58.39 | d |
1998 | 40.50 | c | 40.70 | e | 48.42 | 52.71 | b | 60.07 | d | 66.54 | d | 79.50 | e | 81.19 | d | 71.26 | g | 55.81 | e | 44.71 | f | 38.00 | d | 56.34 | b | |
1999 | 38.18 | i | 42.29 | g | 49.44 | f | 50.35 | d | 63.41 | d | 70.69 | a | ----- | z | 77.40 | a | 71.30 | c | 59.93 | a | 49.04 | d | 39.33 | d | 60.18 | d |
2000 | 40.90 | a | 44.86 | a | 49.14 | c | 60.11 | b | 68.04 | c | 75.52 | c | 79.43 | a | 81.10 | a | 70.62 | a | 59.52 | b | 40.86 | b | 40.43 | c | 59.21 | |
2001 | 39.25 | c | 42.35 | b | 50.44 | f | 54.77 | d | 68.22 | d | 74.03 | a | 79.83 | a | 79.40 | a | 73.48 | a | 60.73 | a | 50.17 | a | 35.97 | b | 59.84 | a |
2002 | 36.37 | a | 40.58 | b | 44.21 | b | 58.46 | b | 63.14 | b | 75.93 | 83.67 | a | 78.47 | a | 72.31 | a | 58.06 | 48.37 | 38.86 | b | 58.20 | ||||
2003 | 43.45 | b | 43.54 | d | 48.85 | d | 53.96 | f | 66.39 | c | 76.31 | a | 83.74 | d | 80.12 | e | 73.88 | e | 64.37 | d | 45.27 | d | 39.65 | 60.51 | a | |
2004 | 37.86 | c | 40.20 | d | 56.07 | d | 57.11 | c | 65.00 | h | 75.35 | g | 81.28 | b | 78.31 | b | 69.36 | e | 59.42 | e | 46.04 | e | 42.55 | b | 56.82 | b |
2005 | 45.20 | a | 47.15 | b | 50.31 | e | 52.69 | d | 61.36 | t | 72.12 | f | 81.12 | f | 74.28 | f | 68.31 | a | 59.23 | a | 48.36 | h | 36.56 | d | 51.35 | e |
2006 | 39.62 | e | 42.77 | b | 44.97 | a | 54.73 | d | 69.07 | b | 77.93 | 81.90 | b | 81.23 | e | 70.10 | a | 57.69 | b | 48.50 | d | 37.88 | e | 58.87 | ||
2007 | 34.86 | i | 41.88 | c | 53.11 | d | 57.47 | 68.59 | d | 77.59 | c | 84.20 | a | 80.87 | 72.68 | b | 58.43 | a | 50.45 | a | 37.26 | 62.05 | a | |||
2008 | 37.43 | c | 41.52 | 48.93 | d | 54.97 | 62.03 | a | 75.50 | 81.77 | a | 81.29 | 72.24 | a | 58.64 | c | 51.11 | b | 38.58 | 58.67 | ||||||
2009 | 41.42 | e | 42.82 | 47.85 | e | 53.52 | a | 70.84 | 73.04 | b | 83.48 | 78.32 | 74.90 | 57.32 | 48.83 | 36.63 | a | 59.08 | ||||||||
2010 | 40.45 | 43.54 | 47.00 | 51.83 | 59.60 | a | 75.17 | 85.32 | 78.97 | 71.50 | 62.68 | 47.93 | 43.48 | 58.96 | ||||||||||||
2011 | 39.39 | 40.50 | 48.77 | 55.13 | 59.23 | 74.23 | 80.19 | 82.48 | 72.97 | 60.43 | a | 46.23 | 37.37 | a | 58.08 | |||||||||||
2012 | 40.45 | 43.82 | a | 49.42 | 58.70 | 69.48 | 78.30 | 81.87 | a | 81.30 | a | 75.00 | 61.87 | a | 50.40 | 40.83 | b | 60.95 | ||||||||
2013 | 37.42 | 41.54 | 53.68 | 58.40 | 65.79 | g | 81.25 | v | 85.00 | b | 78.89 | c | 69.77 | 56.87 | a | 48.53 | 37.50 | a | 56.76 | b | ||||||
2014 | 41.34 | b | 45.00 | a | 51.00 | a | 57.53 | 65.24 | f | 75.68 | h | 83.42 | 77.23 | 74.00 | 63.47 | a | 47.57 | 42.19 | 58.28 | b | ||||||
2015 | 43.13 | 47.64 | 54.74 | 56.34 | a | 63.58 | 81.40 | 80.16 | 81.84 | 76.93 | 65.33 | a | 44.73 | 36.74 | 61.05 | |||||||||||
2016 | 39.52 | 45.93 | 52.52 | 56.80 | 64.77 | 81.33 | 84.23 | a | 79.61 | 71.00 | 64.03 | 52.08 | e | 39.59 | b | 60.95 | ||||||||||
2017 | 40.53 | a | 48.11 | 53.21 | c | 57.08 | f | 64.92 | e | 80.27 | 83.71 | 81.13 | 71.93 | 60.39 | 51.39 | b | 40.33 | a | 61.45 | a | ||||||
2018 | 43.67 | d | 42.25 | 49.45 | 60.12 | d | 68.11 | d | 79.67 | 84.27 | e | 82.40 | a | 67.83 | r | 60.69 | b | 47.26 | c | 41.43 | c | 59.94 | a | |||
2019 | 39.93 | q | 37.08 | d | 48.96 | c | 58.82 | b | 59.27 | a | 75.11 | b | 83.62 | e | 81.91 | i | 78.30 | t | ----- | z | 47.83 | a | 40.29 | g | 58.67 | e |
2020 | 38.33 | g | 40.61 | f | 46.14 | j | 50.65 | g | 65.04 | d | 74.08 | f | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 40.08 | r | 65.04 | k |
2021 | 41.25 | c | 44.04 | d | 46.88 | e | 59.60 | j | 69.36 | i | 79.25 | j | 84.90 | 81.93 | b | ----- | z | ----- | z | ----- | z | 41.93 | c | 56.82 | f | |
2022 | ----- | z | ----- | z | ----- | z | ----- | z | 62.15 | d | 77.00 | d | 83.95 | l | 76.35 | 68.50 | f | 62.35 | 40.90 | ----- | z | 63.75 | g | |||
2023 | 37.68 | 38.71 | 42.61 | 55.73 | 67.35 | 72.34 | a | 87.13 | 78.30 | a | 71.00 | 60.77 | a | 44.90 | 44.35 | 58.41 | ||||||||||
2024 | 41.03 | 45.76 | 50.33 | a | 51.25 | n | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 45.71 | i | ||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 39.11 | 42.89 | 48.23 | 54.88 | 64.17 | 74.71 | 81.37 | 78.77 | 71.15 | 59.43 | 46.90 | 38.97 | 58.21 | |||||||||||||
S.D. | 2.85 | 2.90 | 3.43 | 3.05 | 3.47 | 3.36 | 2.50 | 2.35 | 2.34 | 2.88 | 2.81 | 2.37 | 1.53 | |||||||||||||
SKEW | -0.07 | -0.04 | 0.25 | -0.14 | 0.08 | -0.10 | 0.10 | -0.36 | -0.02 | 0.00 | -0.46 | 0.23 | 0.16 | |||||||||||||
MAX | 45.20 | 49.12 | 56.07 | 60.12 | 70.84 | 81.40 | 87.13 | 82.48 | 76.93 | 65.33 | 52.08 | 44.35 | 61.05 | |||||||||||||
MIN | 32.71 | 37.08 | 42.03 | 48.03 | 58.31 | 66.54 | 76.26 | 72.83 | 65.76 | 53.00 | 39.86 | 33.47 | 55.48 | |||||||||||||
YRS | 42 | 46 | 41 | 41 | 40 | 41 | 45 | 46 | 42 | 45 | 42 | 45 | 25 |