YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1974 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 70.18 | s | 74.10 | 73.94 | 74.47 | 57.97 | 41.83 | 35.48 | 59.63 | f | ||||||
1975 | 35.84 | 32.75 | 35.77 | 38.00 | a | 53.26 | 60.43 | 72.97 | 66.10 | 72.10 | 48.90 | 37.13 | 36.00 | a | 49.10 | |||||||||||
1976 | 37.00 | a | 36.25 | a | 40.26 | 44.03 | 56.93 | a | 60.03 | a | 72.97 | 66.68 | 67.30 | 57.45 | 47.87 | 38.83 | a | 52.13 | ||||||||
1977 | 35.61 | 44.18 | 38.06 | 53.00 | 45.65 | 68.27 | 71.68 | 75.40 | a | 61.50 | d | ----- | z | ----- | z | ----- | z | 54.82 | c | |||||||
1978 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 61.81 | ----- | z | ----- | z | 61.81 | k | |
1979 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 36.65 | m | ----- | z | ----- | z |
1980 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 74.06 | 69.23 | 67.50 | 58.90 | 43.30 | 39.42 | 58.74 | f | ||||||
1981 | 37.45 | 39.93 | a | 44.39 | 50.40 | 51.84 | 65.85 | d | 75.22 | d | 82.12 | e | 70.67 | c | 51.67 | j | 41.81 | c | 36.20 | a | 54.17 | a | ||||
1982 | 33.79 | b | 37.16 | c | 42.25 | g | 43.07 | a | 56.83 | a | 61.03 | 72.10 | 73.77 | a | 59.50 | d | ----- | z | 36.70 | c | 32.68 | f | 52.66 | c | ||
1983 | 36.38 | e | ----- | z | 41.33 | v | 43.67 | 57.20 | a | 60.16 | k | ----- | z | ----- | z | 62.00 | u | 56.66 | b | ----- | z | ----- | z | 48.48 | h | |
1984 | ----- | z | ----- | z | ----- | z | ----- | z | 58.11 | m | 59.88 | e | 76.00 | n | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 59.88 | k |
1985 | 35.41 | n | 35.71 | g | 41.79 | g | 59.38 | q | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1986 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1987 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 42.88 | f | 34.52 | h | ----- | z |
1988 | 34.52 | f | 44.22 | k | 45.30 | k | 51.40 | o | 56.80 | k | 68.27 | o | 76.00 | j | 77.27 | i | 74.59 | h | 69.90 | k | 38.42 | f | 36.26 | h | ----- | z |
1989 | 35.39 | m | 32.44 | j | 40.10 | k | 49.67 | r | 55.86 | i | 63.06 | l | 72.94 | m | 78.22 | h | 76.73 | o | 67.27 | t | 47.67 | l | 41.60 | f | ----- | z |
1990 | 37.62 | g | 38.17 | d | ----- | z | 55.64 | s | 60.29 | x | ----- | z | 80.10 | k | ----- | z | 85.40 | t | ----- | z | 43.35 | g | 29.95 | i | 38.17 | k |
1991 | 36.71 | g | 47.17 | d | 40.88 | e | 43.42 | r | 56.53 | n | ----- | z | 79.00 | s | 83.26 | l | 79.05 | k | 66.04 | e | 43.08 | e | 36.00 | j | 49.29 | h |
1992 | 36.96 | f | 43.60 | d | ----- | z | 56.50 | j | 69.07 | p | 72.93 | p | 75.09 | i | 78.21 | g | 71.29 | f | 64.90 | j | 43.75 | j | 32.35 | 37.98 | j | |
1993 | 30.30 | h | 34.04 | a | 42.88 | g | 49.25 | r | 59.08 | f | 64.68 | b | 67.55 | b | 74.14 | c | 75.28 | a | 62.52 | 43.23 | 35.31 | b | 57.09 | d | ||
1994 | 38.29 | c | 36.83 | e | 43.96 | e | 47.50 | f | 57.92 | e | 67.28 | a | 80.39 | 75.00 | f | 70.14 | i | 54.35 | h | 31.47 | k | 33.83 | h | 54.11 | f | |
1995 | 34.93 | d | 43.35 | b | 39.26 | 47.00 | l | 53.31 | r | 58.17 | f | 72.62 | o | ----- | z | 65.88 | n | 53.44 | f | 45.64 | b | 33.61 | h | 40.79 | h | |
1996 | 34.37 | a | 34.57 | f | 42.31 | b | 46.36 | s | 47.53 | p | 68.17 | x | 77.67 | g | 77.58 | e | ----- | z | ----- | z | 37.80 | o | 33.96 | c | 47.05 | h |
1997 | 33.52 | h | 36.62 | g | 40.88 | n | ----- | z | 61.75 | o | 60.35 | d | 72.15 | k | 79.03 | 65.80 | 50.83 | b | 42.31 | d | 35.03 | 55.56 | f | |||
1998 | 37.42 | 35.36 | 41.16 | 46.17 | 48.26 | 63.70 | 76.26 | 77.19 | 69.10 | 52.74 | 38.37 | 33.39 | 51.59 | |||||||||||||
1999 | 35.48 | 34.46 | 37.42 | 43.03 | a | 50.16 | 61.83 | 72.87 | 70.03 | b | 68.00 | 60.19 | 47.23 | 39.03 | 51.65 | |||||||||||
2000 | 35.43 | a | 38.56 | b | 43.00 | 52.37 | 52.65 | 66.60 | 70.35 | 75.83 | a | 70.21 | b | 55.68 | 38.10 | 36.97 | 52.98 | |||||||||
2001 | 36.20 | a | 37.78 | a | 44.23 | 44.44 | c | 62.45 | 60.25 | b | 69.06 | 75.26 | 69.20 | 56.93 | a | 43.11 | b | 34.17 | a | 52.76 | ||||||
2002 | 33.65 | 40.25 | 40.65 | 47.21 | a | 54.29 | 65.87 | 75.84 | 70.52 | 70.59 | a | 55.03 | b | 45.63 | 37.68 | 53.10 | ||||||||||
2003 | 39.39 | 39.18 | 42.00 | 43.30 | 54.65 | 68.43 | 76.32 | 74.45 | 70.10 | 58.94 | 35.63 | 34.00 | 53.03 | |||||||||||||
2004 | 35.10 | 36.83 | 47.16 | 51.07 | 53.42 | 64.57 | 74.03 | 73.77 | 62.07 | 55.70 | a | 43.10 | 38.65 | 52.95 | ||||||||||||
2005 | 36.94 | 43.21 | 46.38 | b | 45.67 | 54.48 | 57.76 | a | 76.59 | b | 77.30 | d | 66.40 | 54.97 | b | 40.67 | 33.66 | b | 52.83 | |||||||
2006 | 37.88 | g | 34.89 | 36.48 | 46.68 | k | 59.77 | 69.38 | f | 77.84 | 75.43 | a | 70.21 | b | 56.15 | e | 39.59 | a | 32.75 | s | 56.30 | d | ||||
2007 | 32.85 | r | 37.37 | a | 45.73 | a | 48.89 | c | 61.65 | 63.93 | a | 76.47 | a | 73.50 | a | 65.40 | 50.03 | 45.67 | c | 35.08 | e | 54.88 | a | |||
2008 | 31.50 | g | 37.55 | g | 43.06 | 47.97 | a | 69.82 | i | 78.20 | y | 74.67 | y | 74.13 | 69.43 | b | 55.90 | b | 44.43 | 34.69 | b | 52.80 | e | |||
2009 | 36.93 | b | 41.21 | 38.00 | i | 46.00 | b | 58.60 | f | 63.28 | e | 77.00 | c | 75.62 | g | 75.70 | j | 52.33 | j | 41.42 | d | 34.20 | f | 50.97 | f | |
2010 | 36.88 | f | 38.90 | h | 44.37 | a | 45.03 | a | 49.29 | 60.79 | b | 73.94 | 71.45 | 63.50 | 57.87 | a | 40.42 | d | 35.89 | c | 54.25 | b | ||||
2011 | 37.65 | 36.82 | 38.26 | 40.60 | 50.06 | 57.86 | a | 68.61 | 74.77 | 72.50 | 56.94 | 39.73 | 38.97 | 51.06 | ||||||||||||
2012 | 37.87 | 37.86 | 39.19 | 48.70 | 56.81 | 59.97 | a | 76.03 | 77.94 | 73.00 | 56.39 | 43.03 | 32.71 | 53.29 | ||||||||||||
2013 | 34.58 | 38.32 | 45.03 | 50.10 | a | 58.13 | 65.69 | a | 77.48 | b | 74.52 | 66.27 | 53.45 | 43.80 | 36.55 | 53.66 | ||||||||||
2014 | 43.55 | 38.25 | 46.19 | 49.66 | a | 60.61 | 64.23 | 77.90 | a | 73.97 | 73.59 | h | 57.88 | e | 42.32 | h | 38.27 | a | 55.05 | b | ||||||
2015 | 43.21 | b | 46.07 | 52.03 | 48.69 | a | 57.08 | f | 73.52 | c | 74.61 | c | 75.65 | 66.10 | 61.42 | 41.76 | e | 34.87 | h | 58.31 | b | |||||
2016 | 33.19 | e | 42.85 | c | 41.29 | 55.31 | a | 58.24 | b | 66.38 | a | 70.48 | 75.91 | i | 64.59 | h | 49.23 | a | 44.67 | 30.25 | c | 49.19 | b | |||
2017 | 29.37 | a | 36.16 | c | 41.70 | a | 44.39 | b | 60.04 | g | 69.04 | g | 79.50 | m | ----- | z | 71.85 | d | 52.57 | a | 39.86 | a | 37.87 | 44.22 | d | |
2018 | 39.62 | b | 35.79 | 41.13 | a | 48.10 | 61.47 | a | 66.41 | c | 77.52 | b | 75.65 | 65.23 | d | 55.70 | a | 44.18 | b | 33.16 | 53.66 | |||||
2019 | 37.21 | c | 30.36 | 41.03 | a | 46.25 | b | 56.94 | 65.79 | a | 71.38 | r | 74.89 | c | 64.15 | c | 50.20 | a | 45.20 | 34.77 | a | 49.71 | a | |||
2020 | 35.43 | a | 40.50 | a | 42.10 | b | 50.52 | a | 58.08 | f | 62.68 | b | 72.20 | f | 76.27 | a | 73.17 | a | 58.87 | 40.04 | c | 35.20 | a | 51.48 | b | |
2021 | 36.00 | a | 33.85 | b | 41.59 | b | 53.46 | b | 56.33 | a | 71.61 | b | 79.30 | h | 72.36 | f | 67.90 | a | 51.55 | 43.30 | c | 34.42 | e | 49.00 | b | |
2022 | 39.90 | b | 42.82 | k | 45.71 | g | 43.21 | a | 48.32 | i | 64.20 | ----- | z | 81.32 | f | 74.08 | e | 65.47 | n | 37.00 | m | 33.36 | f | 55.35 | h | |
2023 | 33.84 | 37.82 | 34.52 | 44.00 | a | 59.19 | d | 67.62 | f | 76.44 | o | 76.81 | e | 66.52 | g | 58.30 | d | 44.68 | b | 40.96 | d | 47.79 | c | |||
2024 | 36.55 | b | 41.13 | f | 46.00 | j | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 36.55 | k |
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 36.50 | 38.45 | 41.89 | 46.98 | 55.50 | 63.97 | 74.29 | 74.43 | 68.47 | 56.17 | 42.25 | 35.77 | 52.42 | |||||||||||||
S.D. | 2.76 | 3.83 | 3.63 | 3.98 | 4.35 | 3.75 | 3.15 | 3.36 | 3.98 | 4.00 | 2.98 | 2.44 | 1.23 | |||||||||||||
SKEW | 0.41 | 0.38 | 0.32 | 0.06 | -0.42 | 0.46 | -0.40 | -0.59 | -0.30 | 0.08 | -0.34 | 0.10 | -1.46 | |||||||||||||
MAX | 43.55 | 47.17 | 52.03 | 55.31 | 62.45 | 73.52 | 80.39 | 82.12 | 75.28 | 66.04 | 47.87 | 40.96 | 53.66 | |||||||||||||
MIN | 29.37 | 30.36 | 34.52 | 38.00 | 45.65 | 57.76 | 67.55 | 66.10 | 59.50 | 48.90 | 35.63 | 30.25 | 49.10 | |||||||||||||
YRS | 32 | 34 | 32 | 31 | 27 | 31 | 28 | 31 | 31 | 33 | 34 | 31 | 14 |