YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1963 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 84.17 | 91.39 | 85.26 | 81.10 | 72.61 | 52.57 | 39.32 | 72.34 | e | |||||||
1964 | 36.52 | 39.48 | 46.84 | 58.10 | 73.60 | a | 82.00 | 90.81 | 84.74 | 77.37 | 71.71 | 48.40 | 37.23 | 62.23 | ||||||||||||
1965 | 39.23 | 43.64 | 48.35 | 60.43 | 69.58 | 78.07 | 87.81 | 85.55 | 74.33 | 70.43 | a | 55.07 | 40.26 | 62.73 | ||||||||||||
1966 | 34.68 | 38.25 | 54.68 | 63.20 | 77.10 | 83.73 | 91.68 | 88.23 | 79.47 | 68.48 | 55.23 | 37.68 | 64.37 | |||||||||||||
1967 | 35.10 | 47.07 | 59.68 | 64.83 | 72.74 | 79.00 | 89.35 | 85.32 | 77.53 | 69.35 | 55.73 | 35.39 | 64.26 | |||||||||||||
1968 | 37.45 | 48.86 | 54.16 | 58.60 | 71.26 | 85.60 | 87.61 | 82.26 | 78.67 | 68.58 | 47.37 | 36.87 | 63.11 | |||||||||||||
1969 | 40.58 | 42.61 | 48.10 | 66.17 | 76.13 | 80.40 | 89.03 | 87.97 | 79.13 | 59.32 | 49.00 | 41.29 | 63.31 | |||||||||||||
1970 | 37.71 | 51.29 | 50.52 | 57.90 | 74.94 | 82.23 | 87.84 | 87.45 | 73.83 | 59.45 | 50.70 | 40.81 | 62.89 | |||||||||||||
1971 | 36.71 | 45.32 | 53.74 | 62.93 | 70.23 | 84.03 | 90.16 | 85.61 | 78.10 | i | 64.42 | l | 50.23 | h | 36.05 | j | 66.09 | d | ||||||||
1972 | 40.38 | j | 48.55 | i | 62.17 | h | 67.10 | j | 76.52 | f | 83.17 | 91.68 | 85.29 | 78.53 | 64.23 | 43.80 | 36.39 | 69.01 | e | |||||||
1973 | 35.26 | 42.57 | 47.71 | 57.73 | 70.58 | 81.77 | 88.48 | 87.23 | 77.57 | 68.79 | c | 53.10 | 41.00 | 62.65 | ||||||||||||
1974 | 34.97 | 40.46 | 58.45 | 62.82 | b | 77.52 | 85.97 | 88.30 | d | 85.65 | 79.50 | 66.81 | 49.83 | 36.77 | 63.92 | |||||||||||
1975 | 35.29 | 40.96 | 49.68 | 59.00 | 69.23 | 80.83 | 88.55 | 85.87 | 77.03 | 70.16 | 50.43 | 39.35 | 62.20 | |||||||||||||
1976 | 38.90 | 49.62 | 53.68 | 64.53 | 74.83 | h | 83.96 | f | 90.45 | b | 84.75 | c | 76.50 | d | 64.71 | g | 55.71 | i | 40.86 | i | 65.49 | e | ||||
1977 | 35.00 | j | 48.16 | i | 51.83 | h | 67.76 | i | 72.71 | j | 87.95 | h | 88.40 | a | 87.23 | 80.90 | 70.26 | 53.47 | 44.23 | 70.75 | f | |||||
1978 | 40.61 | 43.04 | 56.55 | 66.37 | 69.23 | 86.23 | 93.58 | 86.93 | a | 80.20 | 73.05 | j | 53.40 | 34.47 | a | 64.60 | a | |||||||||
1979 | 37.03 | a | 42.82 | 53.65 | 63.70 | 69.79 | g | 84.03 | 90.80 | a | 87.55 | ----- | z | 75.27 | i | 45.46 | b | 45.32 | 61.15 | c | ||||||
1980 | 41.37 | a | 47.57 | a | 52.87 | 62.67 | 71.94 | 87.83 | f | 91.45 | 89.35 | 79.87 | 66.06 | 54.74 | c | 48.26 | 64.20 | a | ||||||||
1981 | 49.03 | a | 51.36 | 54.61 | 71.21 | a | 75.87 | 88.93 | 91.48 | 88.65 | 81.80 | 66.42 | 56.83 | 46.71 | 68.58 | |||||||||||
1982 | 42.65 | 43.54 | 54.97 | 63.63 | 72.41 | b | 84.70 | 89.32 | 86.55 | 78.40 | 65.13 | 51.07 | 39.97 | 64.36 | ||||||||||||
1983 | 41.42 | 47.21 | 51.77 | 58.43 | 71.84 | 81.87 | 88.19 | 88.94 | 73.63 | 65.53 | a | 51.77 | 40.60 | a | 63.43 | |||||||||||
1984 | 39.06 | 47.72 | 56.55 | 59.33 | 79.45 | 83.33 | 92.74 | 87.81 | 80.43 | 56.68 | 53.83 | 43.23 | 65.01 | |||||||||||||
1985 | 40.87 | 42.57 | 55.58 | 66.57 | 74.06 | 87.27 | 91.13 | 88.94 | 76.43 | 66.90 | 50.13 | 40.87 | 65.11 | |||||||||||||
1986 | 47.68 | 50.46 | 61.94 | 64.10 | 74.90 | a | 85.30 | 86.55 | 91.10 | ----- | z | 65.45 | 51.57 | 43.23 | 65.66 | a | ||||||||||
1987 | 38.13 | 47.11 | 52.52 | 68.97 | 74.03 | 87.50 | 90.84 | 86.94 | 81.20 | 71.84 | 52.70 | 41.30 | a | 66.09 | ||||||||||||
1988 | 34.61 | 48.41 | 56.29 | 66.77 | 75.61 | 88.73 | 92.71 | 87.42 | 79.40 | 74.61 | 52.10 | 41.03 | 66.48 | |||||||||||||
1989 | 36.65 | 45.43 | 62.90 | 73.53 | 78.87 | 87.03 | 95.00 | 89.13 | 83.13 | 69.06 | 55.53 | 43.81 | 68.34 | |||||||||||||
1990 | 39.29 | 47.46 | 58.48 | 66.53 | 75.06 | 92.23 | 91.20 | a | 88.26 | 86.20 | 70.58 | 55.00 | 37.67 | a | 67.33 | |||||||||||
1991 | 37.19 | 51.07 | 54.06 | 66.53 | 78.61 | 85.63 | 93.39 | 90.81 | 82.20 | 73.23 | 48.90 | 39.52 | 66.76 | |||||||||||||
1992 | 38.77 | 49.93 | 59.26 | 72.43 | 78.10 | 85.67 | 89.58 | 90.94 | 83.07 | 75.23 | 48.77 | 36.97 | 67.39 | |||||||||||||
1993 | 42.39 | 46.68 | 58.55 | 66.67 | 78.52 | j | 85.48 | i | 91.97 | 85.77 | 79.29 | i | 64.94 | 49.23 | 41.61 | 60.87 | c | |||||||||
1994 | 44.06 | 44.64 | 60.70 | a | 66.10 | 76.87 | 90.90 | 94.87 | 92.19 | 81.90 | 65.87 | 48.53 | 43.55 | 67.52 | ||||||||||||
1995 | 41.94 | 55.18 | 55.84 | 61.60 | 69.43 | a | 82.67 | 89.90 | a | 91.74 | 81.83 | a | 69.40 | a | 56.67 | 44.23 | 66.70 | |||||||||
1996 | 42.35 | 52.55 | 57.90 | 65.87 | 79.06 | 86.20 | 91.74 | 89.29 | 74.97 | 66.50 | a | 49.80 | 39.58 | 66.32 | ||||||||||||
1997 | 38.32 | 44.54 | 61.03 | 61.17 | 75.76 | j | 84.37 | 87.62 | g | 84.71 | j | 81.81 | i | 67.95 | i | 53.17 | g | 40.30 | h | 57.88 | g | |||||
1998 | 41.86 | b | 44.77 | f | 55.30 | a | 59.96 | e | 74.52 | j | 82.09 | h | 90.50 | g | 88.44 | f | 84.14 | i | 66.12 | f | 51.70 | 43.91 | i | 52.21 | h | |
1999 | 47.21 | l | 50.86 | 62.96 | h | 64.36 | h | 69.35 | k | 85.00 | g | 87.65 | h | 82.54 | g | 77.10 | i | 72.30 | k | 59.58 | k | 42.62 | j | 50.86 | k | |
2000 | 44.80 | k | 52.20 | i | 55.23 | 69.27 | 80.61 | 88.45 | h | 94.00 | k | 92.26 | h | 83.45 | h | 68.45 | 45.45 | j | 42.20 | k | 68.39 | h | ||||
2001 | 40.82 | i | 47.05 | g | 55.44 | d | 67.46 | b | 78.68 | i | 87.96 | f | 90.55 | i | 87.35 | 84.89 | k | 70.61 | 57.30 | g | 40.40 | a | 64.26 | g | ||
2002 | 40.68 | 47.58 | i | 57.29 | j | 70.07 | 77.77 | i | 90.65 | j | 92.84 | 89.36 | i | 78.00 | j | 64.05 | i | 50.80 | 39.74 | 58.82 | g | |||||
2003 | 46.58 | 45.89 | i | 54.58 | 65.95 | h | 77.42 | 85.90 | i | 96.00 | i | 89.58 | 78.60 | 72.59 | i | 49.11 | k | 43.29 | j | 69.35 | g | |||||
2004 | 40.43 | a | 44.14 | a | 63.65 | 65.67 | f | 77.27 | i | 87.03 | 89.90 | j | 85.48 | 78.17 | 64.55 | b | 49.93 | 41.03 | 61.60 | c | ||||||
2005 | 46.19 | 46.25 | 54.28 | b | 66.48 | i | 75.48 | j | 83.10 | 94.50 | k | 87.35 | h | 81.04 | g | 67.00 | a | 54.24 | i | 42.00 | j | 59.36 | g | |||
2006 | 44.71 | 51.84 | i | 54.48 | h | 68.35 | j | 79.82 | i | 89.52 | i | 92.15 | k | 87.17 | h | 74.62 | i | 64.10 | j | 54.67 | i | 40.80 | k | 44.71 | k | |
2007 | 40.90 | k | 49.11 | i | 61.68 | i | 65.57 | i | 75.41 | i | 87.19 | i | 94.55 | i | 90.35 | h | 80.58 | k | 71.09 | i | 58.55 | j | 40.95 | l | ----- | z |
2008 | 35.57 | j | 43.87 | f | 56.62 | j | 65.55 | h | 75.36 | i | 86.19 | i | 92.23 | i | 90.67 | j | 81.90 | i | 70.33 | j | 56.50 | l | 42.43 | j | ----- | z |
2009 | 40.80 | k | 51.21 | i | 59.77 | i | 66.36 | h | 79.19 | j | 82.64 | h | 93.55 | i | 90.05 | j | 81.57 | i | 62.18 | n | 56.32 | k | 36.95 | i | ----- | z |
2010 | 39.37 | l | 42.26 | i | 55.43 | h | 66.32 | h | 73.35 | k | 89.64 | h | 92.71 | j | 87.32 | i | 82.75 | j | 71.45 | k | 52.65 | j | 45.57 | j | ----- | z |
2011 | 37.60 | k | 42.60 | h | 59.39 | h | 66.82 | m | 70.57 | j | 88.05 | h | 93.55 | k | 93.35 | h | 81.86 | i | 67.30 | k | 51.94 | l | 39.67 | j | ----- | z |
2012 | 45.35 | k | 48.75 | i | 60.91 | i | 71.65 | j | 81.36 | i | 91.39 | g | 92.56 | f | 91.59 | i | 82.42 | k | 72.09 | i | 59.35 | j | 42.62 | o | ----- | z |
2013 | 37.30 | k | 44.22 | j | 60.35 | k | 64.75 | j | 76.61 | h | 92.11 | k | 93.03 | 88.73 | i | 81.06 | m | 67.32 | i | 52.74 | k | 39.45 | k | 93.03 | k | |
2014 | 45.75 | k | 53.11 | j | 58.71 | j | 66.09 | h | 73.85 | k | 88.35 | j | 92.62 | j | 86.95 | k | 82.95 | h | 69.33 | g | 53.26 | k | 46.25 | k | ----- | z |
2015 | 46.79 | l | 52.45 | h | 61.82 | i | 67.73 | h | 72.63 | l | 88.57 | i | 87.86 | i | 89.00 | l | 83.05 | k | 72.10 | j | 53.63 | k | 40.76 | j | ----- | z |
2016 | 37.31 | o | 48.38 | h | 60.70 | h | 67.24 | i | 71.88 | e | 91.35 | d | 92.04 | g | 85.65 | k | 80.57 | i | 71.85 | k | 57.36 | h | 41.57 | h | 81.62 | j |
2017 | 41.14 | j | 52.32 | f | 63.88 | f | 66.65 | g | 73.77 | i | 91.64 | h | 94.58 | l | 90.04 | h | 83.40 | j | 72.11 | l | 61.90 | j | 47.35 | k | ----- | z |
2018 | 47.33 | j | 52.63 | i | 59.23 | i | 72.55 | j | 81.23 | i | 93.33 | i | 95.52 | j | 90.27 | t | 86.05 | k | 68.95 | l | 52.85 | j | 44.31 | r | ----- | z |
2019 | 41.00 | k | 44.40 | m | 59.68 | i | 68.30 | g | 71.10 | j | 85.74 | k | 94.24 | j | 93.77 | i | 82.78 | l | 67.32 | l | 55.83 | l | 43.74 | l | ----- | z |
2020 | 43.00 | j | 48.32 | j | 61.05 | j | 70.42 | r | 82.94 | m | 91.41 | h | 93.86 | j | 95.19 | j | 83.62 | i | 73.10 | j | 59.90 | j | 43.29 | j | ----- | z |
2021 | 42.11 | l | 51.05 | i | 56.17 | h | 69.91 | h | 79.53 | l | 93.33 | i | 95.33 | j | 92.62 | j | 84.90 | j | 67.75 | k | 61.65 | j | 45.81 | j | ----- | z |
2022 | 46.47 | l | 48.33 | j | 59.91 | h | 70.57 | i | 78.00 | k | 85.57 | i | 91.55 | k | 86.96 | h | 82.86 | i | 65.33 | g | 49.77 | d | 43.14 | i | 49.77 | k |
2023 | 39.40 | a | 45.11 | a | 50.74 | 65.97 | a | 77.39 | 84.43 | 96.77 | 90.30 | a | 82.31 | a | 73.06 | 55.67 | 44.30 | a | 67.12 | |||||||
2024 | 41.06 | 50.14 | 57.11 | c | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 49.44 | i | ||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 39.92 | 46.38 | 55.20 | 64.36 | 74.55 | 84.84 | 90.83 | 87.62 | 79.25 | 67.92 | 51.58 | 40.67 | 65.13 | |||||||||||||
S.D. | 3.65 | 3.92 | 4.10 | 4.20 | 3.38 | 3.26 | 2.31 | 2.22 | 2.88 | 4.14 | 3.10 | 3.18 | 2.03 | |||||||||||||
SKEW | 0.59 | 0.02 | -0.04 | 0.17 | -0.06 | 0.26 | 0.39 | 0.09 | -0.04 | -0.66 | -0.25 | 0.23 | 0.10 | |||||||||||||
MAX | 49.03 | 55.18 | 63.65 | 73.53 | 80.61 | 92.23 | 96.77 | 92.19 | 86.20 | 75.23 | 56.83 | 48.26 | 68.58 | |||||||||||||
MIN | 34.61 | 38.25 | 46.84 | 57.73 | 69.23 | 78.07 | 86.55 | 82.26 | 73.63 | 56.68 | 43.80 | 34.47 | 62.20 | |||||||||||||
YRS | 40 | 37 | 40 | 37 | 32 | 35 | 37 | 38 | 33 | 35 | 37 | 36 | 25 |