YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1965 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 84.21 | c | 82.13 | 75.40 | 67.83 | b | 56.47 | 46.29 | 68.72 | f | ||||
1966 | 47.19 | 50.29 | 56.35 | 63.93 | 71.29 | 74.17 | 78.48 | 82.39 | 76.93 | 64.26 | 54.57 | 50.10 | 64.16 | |||||||||||||
1967 | 52.29 | 53.75 | 53.81 | 58.60 | 69.76 | b | 78.57 | 84.42 | 90.26 | 82.70 | 65.55 | 56.00 | 46.52 | 66.02 | ||||||||||||
1968 | 47.23 | 56.86 | 59.35 | 60.53 | 67.74 | 74.00 | 82.16 | 77.71 | 74.00 | a | 63.07 | a | 53.67 | 45.52 | d | 63.49 | ||||||||||
1969 | 36.76 | b | 46.11 | 59.58 | 61.93 | 72.55 | 77.03 | 79.52 | 79.23 | 75.37 | 61.57 | a | 54.47 | 46.77 | 62.57 | |||||||||||
1970 | 44.71 | 54.68 | 56.71 | 57.90 | 68.80 | a | 78.83 | 82.71 | 83.45 | 71.43 | 62.61 | 54.07 | a | 45.00 | a | 63.41 | ||||||||||
1971 | 46.45 | 51.54 | 51.87 | 59.80 | 68.65 | 68.73 | 81.06 | 84.16 | 72.17 | 61.52 | 51.70 | 45.45 | 61.92 | |||||||||||||
1972 | 44.10 | 49.36 | a | 57.35 | 56.63 | 71.00 | 73.67 | 83.35 | 85.30 | a | 71.67 | c | 63.55 | 53.90 | a | 42.35 | 62.69 | |||||||||
1973 | 45.06 | 51.18 | 56.23 | 62.93 | 70.93 | a | 74.10 | 83.16 | 78.42 | 75.82 | b | 62.87 | a | 48.97 | 50.39 | 63.34 | ||||||||||
1974 | 42.68 | 48.93 | 55.74 | 59.63 | 64.57 | a | 76.53 | 79.60 | a | 82.26 | 81.57 | b | 68.48 | 55.41 | a | 50.77 | 63.85 | |||||||||
1975 | 48.65 | 47.71 | 54.28 | b | 57.93 | 70.00 | 73.07 | 80.16 | 76.29 | 79.37 | 61.39 | 53.30 | 48.45 | 62.55 | ||||||||||||
1976 | 49.00 | a | 51.43 | a | 53.58 | 60.30 | 69.19 | 71.13 | 80.06 | 75.00 | 75.70 | 65.29 | 57.33 | 47.61 | 62.97 | |||||||||||
1977 | 42.65 | 52.61 | 55.81 | 66.10 | 63.90 | 77.27 | 79.03 | 85.84 | 71.10 | 64.65 | 50.50 | 48.32 | 63.15 | |||||||||||||
1978 | 44.03 | 51.86 | 59.52 | 61.67 | ----- | z | 78.10 | 81.10 | 79.61 | 70.77 | 67.68 | 48.43 | 44.10 | 62.44 | a | |||||||||||
1979 | 33.65 | 47.61 | 59.26 | 61.10 | 70.84 | 78.47 | 83.29 | 79.16 | 78.13 | 66.61 | 51.43 | 49.29 | 63.24 | |||||||||||||
1980 | 40.53 | a | 47.34 | 53.68 | 64.70 | 65.73 | e | 69.68 | e | 80.74 | d | 77.04 | d | 75.50 | d | 65.46 | e | 54.79 | f | 50.19 | d | 62.78 | a | |||
1981 | 49.19 | e | 51.04 | d | 59.00 | d | 61.46 | d | 67.52 | f | 72.62 | d | 79.33 | d | 85.36 | f | 76.80 | e | 62.85 | e | 57.83 | f | 49.65 | e | 62.44 | c |
1982 | 43.96 | e | 50.04 | d | 56.48 | d | 60.96 | d | 68.71 | g | 76.58 | f | 77.04 | g | 78.92 | e | 74.00 | e | 64.40 | f | 52.25 | f | 46.88 | f | 60.73 | f |
1983 | 49.24 | f | 51.91 | f | 57.33 | g | 63.00 | f | 74.94 | m | 71.12 | d | 76.17 | h | 79.31 | e | 73.45 | h | 64.42 | g | 55.87 | g | 40.58 | e | 63.67 | i |
1984 | 47.88 | e | 52.29 | e | 59.33 | g | 59.32 | e | 65.50 | e | 71.15 | d | 82.56 | d | 83.71 | g | 72.70 | g | 60.81 | d | 52.96 | f | 42.88 | e | 60.30 | d |
1985 | 41.12 | f | 48.12 | d | 55.20 | f | 63.31 | d | 70.19 | e | 77.25 | f | 89.12 | e | 81.68 | f | 71.38 | f | 63.92 | e | 43.95 | h | 37.40 | f | 66.93 | g |
1986 | 47.70 | h | 51.61 | j | 61.80 | k | 62.58 | f | 66.85 | k | 82.17 | g | 76.90 | k | 90.18 | i | 71.88 | e | 68.23 | i | 53.52 | e | 45.35 | e | 56.92 | i |
1987 | 45.72 | b | 52.27 | b | 56.64 | c | 67.36 | b | 72.66 | b | 80.36 | b | 79.67 | d | 85.48 | 79.43 | b | 72.10 | b | 55.97 | a | 45.68 | c | 66.11 | ||
1988 | 44.72 | b | 53.76 | 58.25 | c | 63.17 | 69.07 | a | 75.37 | 84.57 | c | 82.52 | 78.34 | a | 68.32 | 55.00 | 48.35 | 65.12 | ||||||||
1989 | 49.41 | b | 41.37 | a | 53.06 | 68.00 | 69.74 | 78.54 | f | 80.00 | d | 77.91 | i | 81.41 | c | 66.26 | d | 56.90 | a | 46.76 | f | 62.91 | c | |||
1990 | 51.24 | b | 50.40 | c | 60.76 | b | 65.61 | b | 66.39 | 75.00 | 84.86 | c | 85.83 | h | 80.96 | e | 63.23 | 56.70 | 41.27 | a | 63.31 | a | ||||
1991 | 47.17 | g | 56.63 | a | 55.41 | b | 61.97 | a | 63.86 | b | 69.70 | 84.07 | a | 84.33 | d | 83.33 | 67.65 | 53.90 | a | 47.12 | g | 68.08 | b | |||
1992 | 49.21 | c | 54.55 | 63.41 | b | 64.87 | 77.23 | 81.41 | c | 84.13 | a | 87.10 | j | 74.76 | a | 66.10 | 52.40 | 43.41 | d | 64.68 | a | |||||
1993 | 40.48 | 45.56 | a | 55.19 | d | 60.72 | a | 72.77 | 72.60 | 73.50 | a | 81.55 | b | 80.86 | a | 68.97 | 48.30 | 46.28 | b | 62.23 | ||||||
1994 | 50.06 | 46.50 | 61.16 | 63.31 | a | 72.52 | 73.11 | b | 85.70 | a | 83.50 | e | 81.15 | c | 65.61 | 48.14 | b | 47.56 | f | 66.43 | a | |||||
1995 | 45.89 | c | 55.38 | b | 58.03 | 61.59 | c | 73.80 | a | 74.96 | c | 83.54 | c | 79.24 | b | ----- | z | 64.07 | b | 56.52 | e | 49.47 | n | 65.30 | b | |
1996 | 47.53 | l | 50.65 | l | 60.15 | k | 63.24 | i | 65.50 | k | 77.25 | j | 88.82 | n | 85.58 | l | 74.80 | o | 64.90 | k | 50.74 | k | 47.39 | m | ----- | z |
1997 | 46.00 | j | 52.07 | m | 52.33 | p | 62.24 | i | 76.19 | j | 76.61 | l | 81.62 | o | 87.06 | n | 79.67 | o | 64.90 | j | 57.76 | m | 48.29 | j | ----- | z |
1998 | 48.35 | n | 52.68 | i | 58.42 | l | 63.90 | i | 65.50 | m | 73.89 | k | 88.79 | l | 87.00 | n | 83.17 | r | 68.06 | m | 56.68 | k | 47.88 | o | ----- | z |
1999 | 50.12 | n | 53.08 | o | 54.86 | q | 64.25 | n | 69.40 | u | 72.50 | l | 82.44 | m | 86.25 | s | ----- | z | 65.47 | a | 55.33 | 49.26 | 56.69 | i | ||
2000 | 44.77 | 49.34 | 54.42 | 64.60 | 67.58 | 76.43 | 79.26 | 80.61 | 74.07 | 63.29 | 48.47 | 44.12 | e | 62.25 | ||||||||||||
2001 | 45.53 | a | 49.22 | a | 56.87 | 58.87 | 70.81 | 71.73 | 78.06 | 80.97 | 76.90 | 63.10 | 54.43 | 49.31 | b | 62.98 | ||||||||||
2002 | 46.50 | g | 53.04 | c | 52.97 | b | 62.77 | 66.45 | 76.72 | e | 82.81 | 83.17 | a | 79.13 | 63.55 | 55.00 | a | 48.29 | 65.81 | a | ||||||
2003 | 50.39 | 52.24 | c | 57.13 | 60.40 | 68.89 | d | 79.83 | 87.55 | 84.81 | 78.28 | e | 68.63 | a | 49.97 | 46.79 | b | 65.41 | ||||||||
2004 | 41.45 | 50.07 | 60.94 | 66.80 | 69.48 | 77.40 | 84.23 | 78.17 | s | 71.06 | m | 65.61 | 53.90 | ----- | z | 63.32 | c | |||||||||
2005 | 46.83 | a | 52.17 | d | 60.55 | 61.81 | c | 69.50 | a | 71.90 | 83.40 | a | 84.97 | a | 76.63 | 64.10 | 51.93 | 43.39 | 63.93 | |||||||
2006 | 50.84 | 49.29 | 54.26 | 64.62 | a | ----- | z | 77.45 | a | 85.61 | 83.81 | 78.53 | 64.35 | 53.10 | 43.47 | a | 64.12 | a | ||||||||
2007 | 44.57 | a | 49.89 | a | 57.94 | 61.47 | 70.37 | a | 74.03 | 83.45 | 79.03 | 73.07 | 59.79 | c | 51.50 | 44.35 | 62.45 | |||||||||
2008 | 42.07 | b | 51.00 | 52.63 | a | 56.40 | 66.10 | 70.37 | 80.73 | a | 80.84 | 75.83 | 62.23 | a | 54.07 | a | 42.52 | 61.23 | ||||||||
2009 | 43.55 | b | 47.15 | a | 51.14 | b | 60.30 | 70.55 | 74.66 | a | 84.94 | 79.74 | 75.86 | a | 60.52 | 52.86 | a | 39.74 | 61.75 | |||||||
2010 | 47.40 | a | 51.39 | 56.13 | 58.40 | 63.13 | a | 68.97 | a | 78.03 | a | 79.19 | 72.00 | a | 63.13 | 51.00 | g | 43.27 | a | 61.91 | a | |||||
2011 | 44.42 | 45.79 | 50.23 | 55.07 | 61.81 | 69.23 | 75.23 | 79.87 | 76.77 | 60.77 | 50.30 | 44.39 | 59.49 | |||||||||||||
2012 | 45.42 | 47.24 | ----- | z | ----- | z | 66.10 | 69.10 | 76.61 | 82.13 | 76.83 | 63.23 | 51.86 | a | 46.23 | 62.47 | b | |||||||||
2013 | 40.52 | 48.86 | 55.61 | 61.13 | 67.74 | 73.90 | 81.55 | 80.65 | 72.97 | 61.65 | ----- | z | 40.90 | 62.32 | a | |||||||||||
2014 | 45.39 | 44.04 | 57.55 | 61.03 | 69.71 | 71.43 | 81.94 | 84.32 | 76.77 | 67.00 | 50.73 | 46.32 | 63.02 | |||||||||||||
2015 | 48.19 | 54.86 | 62.42 | 61.47 | 68.45 | 81.47 | 85.81 | 84.29 | 72.63 | 67.29 | 51.87 | 46.80 | a | 65.46 | ||||||||||||
2016 | 44.90 | 53.21 | 55.26 | 67.37 | 69.33 | a | 76.30 | 78.18 | c | 83.39 | 72.23 | 60.80 | a | 56.93 | 42.48 | 63.37 | ||||||||||
2017 | 36.45 | 45.32 | 53.97 | 58.93 | 71.23 | 74.90 | 83.16 | 87.42 | 78.07 | 62.77 | 51.60 | 43.55 | 62.28 | |||||||||||||
2018 | 47.97 | 47.54 | 53.10 | 60.67 | 71.19 | 73.43 | 86.06 | 82.94 | 74.53 | 64.94 | 52.20 | 46.67 | a | 63.44 | ||||||||||||
2019 | 45.53 | a | 40.04 | 52.23 | 61.13 | 69.68 | 74.70 | 78.97 | 81.16 | 72.07 | 59.29 | 52.63 | 45.10 | 61.04 | ||||||||||||
2020 | 48.80 | a | 50.76 | 53.33 | a | 62.97 | 67.45 | 71.03 | 79.65 | 82.61 | 74.77 | 63.13 | a | 51.57 | 46.94 | 62.75 | ||||||||||
2021 | 47.61 | 45.18 | 54.68 | 65.20 | 68.71 | 80.37 | 83.61 | 82.29 | 75.67 | 60.06 | 54.11 | c | 44.67 | a | 63.51 | |||||||||||
2022 | 44.39 | 48.00 | 55.90 | 54.86 | a | 62.00 | 71.47 | 83.19 | 84.74 | 78.60 | 68.68 | 46.83 | 41.96 | c | 61.72 | |||||||||||
2023 | 45.55 | 45.75 | 49.90 | 56.93 | 72.67 | a | 76.47 | 84.10 | 85.58 | 74.23 | 63.45 | 51.90 | 47.61 | 62.85 | ||||||||||||
2024 | 40.45 | 49.62 | 55.90 | b | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 48.66 | i | ||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 45.32 | 49.81 | 56.11 | 61.54 | 68.91 | 74.48 | 81.93 | 81.95 | 76.14 | 64.32 | 52.93 | 45.69 | 63.11 | |||||||||||||
S.D. | 3.84 | 3.57 | 3.09 | 3.11 | 3.14 | 3.46 | 3.09 | 3.03 | 3.26 | 2.76 | 2.62 | 2.81 | 1.40 | |||||||||||||
SKEW | -0.78 | -0.35 | 0.24 | 0.03 | -0.23 | 0.20 | -0.32 | 0.09 | 0.30 | 0.42 | -0.34 | -0.07 | 0.16 | |||||||||||||
MAX | 52.29 | 56.86 | 63.41 | 68.00 | 77.23 | 81.47 | 89.12 | 90.26 | 83.33 | 72.10 | 57.33 | 50.77 | 66.11 | |||||||||||||
MIN | 33.65 | 40.04 | 49.90 | 54.86 | 61.81 | 68.73 | 73.50 | 75.00 | 70.77 | 59.29 | 46.83 | 39.74 | 59.49 | |||||||||||||
YRS | 50 | 53 | 50 | 51 | 48 | 50 | 52 | 47 | 50 | 53 | 48 | 49 | 34 |