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 | 41.85 | a | 41.85 | k |
1973 | 41.21 | 50.80 | 52.23 | 63.15 | 75.92 | a | 86.62 | 93.95 | c | 90.53 | a | 81.79 | b | 70.71 | 54.84 | b | 47.96 | d | 67.47 | |||||||
1974 | 41.75 | a | 49.52 | b | 60.07 | d | 64.98 | c | 80.36 | c | 88.11 | g | 91.54 | e | 88.85 | a | 82.13 | o | 71.65 | a | 55.74 | c | 44.84 | b | 64.93 | b |
1975 | 44.86 | b | 48.80 | c | 54.75 | a | 59.16 | a | 74.06 | f | 84.68 | 92.20 | i | 90.10 | e | 83.70 | b | 68.16 | b | 54.98 | a | 49.55 | b | 63.87 | b | |
1976 | 48.76 | b | 54.09 | a | 55.72 | a | 63.47 | a | 79.63 | 85.24 | a | 92.90 | a | 87.94 | 80.43 | b | 67.07 | b | 58.38 | 47.31 | 68.41 | |||||
1977 | 46.28 | d | 56.24 | a | 53.46 | c | 69.02 | c | 69.44 | d | 88.98 | 94.23 | a | 92.28 | b | 83.35 | 74.05 | 57.75 | 51.63 | a | 69.73 | |||||
1978 | 48.23 | a | 52.61 | 60.29 | 63.74 | a | 74.11 | 87.77 | b | 93.47 | 90.73 | 80.28 | 74.50 | 54.15 | 42.60 | 68.54 | ||||||||||
1979 | 40.66 | 47.45 | 57.13 | 65.78 | 75.58 | 86.55 | 92.87 | 87.68 | 87.05 | 73.48 | 53.60 | 48.57 | a | 68.03 | ||||||||||||
1980 | 49.74 | 53.69 | 54.37 | 65.00 | 71.19 | 85.47 | a | 93.02 | 91.39 | 83.62 | 71.40 | 57.72 | 53.55 | a | 69.18 | |||||||||||
1981 | 52.00 | a | 53.20 | 57.10 | 71.68 | 75.94 | 91.32 | 96.05 | 92.44 | 84.48 | 67.87 | 59.40 | 50.52 | b | 71.00 | |||||||||||
1982 | 46.17 | a | 52.02 | 57.11 | 65.36 | a | 75.79 | 85.17 | 91.00 | 90.66 | 80.73 | 65.44 | 53.00 | a | 45.32 | a | 67.31 | |||||||||
1983 | 47.68 | a | 52.39 | 57.63 | 60.65 | 74.35 | 85.77 | 92.05 | 87.42 | 85.40 | 69.83 | a | 57.07 | 47.68 | 68.16 | |||||||||||
1984 | 48.03 | a | 51.26 | 59.94 | 65.23 | 83.68 | c | 86.48 | 91.45 | a | 88.05 | a | 85.36 | a | 64.52 | a | 55.66 | b | 45.90 | b | 68.80 | |||||
1985 | 47.00 | 48.17 | a | 57.20 | a | 70.78 | a | 78.95 | a | 88.74 | a | 93.37 | 91.45 | 77.62 | a | 68.50 | b | 53.74 | a | 49.68 | a | 68.77 | ||||
1986 | 54.58 | a | 55.95 | 64.06 | 68.00 | 78.47 | a | 90.00 | 89.72 | a | 93.06 | 77.55 | 67.41 | c | 57.47 | 48.47 | b | 70.39 | ||||||||
1987 | 45.76 | 52.70 | 55.03 | 69.52 | 76.42 | 88.40 | 88.90 | 90.37 | a | 83.68 | e | 74.38 | c | 55.78 | 44.22 | a | 68.76 | |||||||||
1988 | 44.68 | c | 53.92 | c | 57.50 | c | 66.48 | e | 74.02 | h | 86.77 | f | 95.10 | e | 88.43 | d | 80.81 | a | 77.04 | d | 56.28 | g | 47.91 | d | 67.98 | c |
1989 | 44.74 | b | 50.19 | d | 62.00 | j | 74.52 | i | 76.79 | e | 85.91 | c | 94.26 | b | 88.87 | d | 83.22 | e | 75.15 | n | 59.75 | h | 49.98 | 71.74 | d | |
1990 | 46.74 | 47.54 | d | 61.02 | d | 69.36 | a | 75.54 | d | 88.88 | f | 91.97 | 89.62 | f | 84.36 | h | 71.00 | d | 57.43 | a | 41.07 | i | 65.08 | d | ||
1991 | 46.22 | h | 56.56 | j | 52.52 | f | 65.37 | g | 71.07 | h | 83.39 | g | 91.62 | g | 89.16 | f | 81.86 | i | 73.18 | c | 55.19 | c | 47.78 | d | 58.71 | i |
1992 | 46.43 | i | 54.02 | d | 57.30 | i | 69.62 | f | 78.27 | g | 83.95 | a | 89.11 | d | 90.95 | c | 83.78 | e | 72.71 | e | 53.06 | f | 43.44 | f | 79.09 | f |
1993 | 44.90 | e | 49.74 | k | 60.39 | h | 67.12 | i | 77.15 | h | 85.92 | d | 90.70 | a | 89.30 | c | 82.43 | b | 71.07 | j | 52.00 | f | 46.94 | e | 73.37 | f |
1994 | 49.85 | g | 48.98 | h | 63.69 | g | 68.16 | k | 77.37 | d | 91.71 | a | 95.30 | c | 94.05 | i | 85.00 | b | 67.28 | d | 49.79 | b | 47.79 | n | 77.74 | f |
1995 | 48.80 | i | 60.22 | c | 59.02 | h | 65.84 | a | 71.77 | c | 80.84 | b | 92.89 | c | 93.42 | a | 85.13 | d | 70.36 | f | 62.29 | a | 50.85 | d | 73.70 | c |
1996 | 49.00 | d | 56.81 | b | 58.43 | c | 69.72 | c | 81.17 | g | 90.36 | a | 95.38 | b | 93.80 | c | 82.79 | b | 69.38 | b | 58.71 | i | 48.19 | g | 73.96 | c |
1997 | 49.80 | f | 54.48 | c | 61.05 | i | 64.77 | f | 83.69 | g | 87.50 | d | 90.94 | f | 92.71 | b | 83.48 | d | 69.66 | c | 58.50 | b | 47.60 | e | 70.56 | e |
1998 | 50.18 | c | 49.52 | e | 59.06 | 63.68 | b | 72.30 | d | 80.31 | d | 92.90 | f | 93.54 | d | 82.63 | g | 67.83 | e | 55.58 | f | 48.35 | d | 64.97 | c | |
1999 | 50.07 | i | 53.60 | g | 62.04 | f | 61.12 | d | 74.94 | d | 83.93 | a | ----- | z | 89.47 | b | 83.74 | c | 73.25 | a | 60.98 | d | 50.35 | g | 75.35 | e |
2000 | 50.63 | a | 54.70 | a | 59.57 | d | 72.46 | c | 80.86 | c | 88.29 | d | 92.62 | a | 92.43 | a | 83.28 | a | 69.57 | b | 50.74 | c | 50.96 | d | 70.51 | |
2001 | 48.18 | c | 51.50 | b | 60.22 | f | 66.20 | e | 81.54 | d | 87.86 | a | 92.18 | a | 92.22 | a | 86.43 | a | 73.55 | a | 60.78 | a | 45.50 | c | 71.45 | a |
2002 | 46.53 | a | 52.52 | c | 56.70 | c | 70.61 | b | 75.98 | b | 89.25 | 95.62 | a | 91.10 | a | 84.45 | a | 68.97 | a | 58.37 | 47.57 | b | 69.80 | |||
2003 | 54.73 | c | 52.67 | d | 58.89 | d | 65.40 | f | 78.46 | c | 88.48 | a | 96.57 | d | 91.67 | e | 86.06 | e | 76.48 | d | 53.94 | d | 48.74 | 71.52 | a | |
2004 | 47.79 | c | 48.42 | d | 66.63 | d | 68.43 | c | 78.22 | h | 88.37 | g | 93.16 | c | 90.38 | b | 81.84 | e | 69.19 | e | 54.38 | e | 50.29 | c | 67.05 | b |
2005 | 52.17 | a | 54.60 | b | 60.04 | e | 64.60 | e | 72.23 | t | 84.69 | f | 94.36 | f | 86.84 | f | 81.47 | a | 70.35 | a | 59.98 | h | 48.02 | d | 61.61 | e |
2006 | 50.71 | e | 53.90 | b | 55.30 | a | 66.67 | d | 81.21 | b | 90.77 | 94.10 | b | 92.56 | e | 81.41 | a | 67.84 | b | 59.17 | d | 47.67 | e | 70.11 | ||
2007 | 44.45 | i | 53.04 | c | 64.96 | d | 69.25 | 81.04 | d | 90.41 | c | 96.02 | a | 92.60 | 84.54 | b | 70.00 | a | 61.38 | a | 45.03 | 73.48 | a | |||
2008 | 45.91 | c | 51.12 | 60.26 | d | 67.45 | 73.87 | a | 88.68 | 93.80 | a | 93.48 | 84.95 | a | 71.30 | c | 61.15 | c | 46.34 | 69.86 | ||||||
2009 | 51.06 | e | 52.05 | 59.71 | e | 65.52 | a | 83.02 | 83.98 | b | 95.80 | a | 91.45 | a | 87.20 | 67.84 | 59.73 | 45.45 | a | 70.23 | ||||||
2010 | 48.68 | 51.70 | 57.08 | 63.27 | 71.07 | a | 87.32 | 96.74 | 91.19 | 85.33 | 72.73 | 57.93 | 51.42 | 69.54 | ||||||||||||
2011 | 48.76 | 50.41 | 58.89 | 66.47 | 71.18 | 86.25 | 91.87 | 94.77 | 86.02 | 71.45 | a | 56.12 | 47.02 | a | 69.10 | |||||||||||
2012 | 51.55 | 54.38 | a | 60.77 | 69.78 | 81.26 | 90.53 | 93.28 | a | 93.38 | b | 86.38 | 73.27 | a | 61.67 | 49.45 | b | 72.14 | ||||||||
2013 | 47.27 | 52.14 | 64.66 | 70.08 | 77.90 | g | 94.06 | v | 95.57 | b | 89.86 | c | 81.15 | 68.22 | a | 58.60 | 47.30 | a | 67.49 | b | ||||||
2014 | 52.64 | b | 55.63 | a | 62.08 | a | 69.25 | 77.94 | f | 89.00 | h | 94.16 | 88.19 | 86.40 | 75.58 | a | 58.88 | 49.92 | 69.27 | b | ||||||
2015 | 52.10 | 58.91 | 66.24 | 68.74 | a | 74.24 | 92.58 | 91.02 | 93.19 | 88.20 | 75.63 | a | 55.23 | 45.97 | 71.84 | |||||||||||
2016 | 47.32 | 57.48 | 63.56 | 67.58 | 75.21 | 93.23 | 95.40 | a | 91.11 | 83.00 | 74.92 | 62.76 | e | 47.88 | b | 71.62 | ||||||||||
2017 | 48.05 | a | 55.88 | 65.09 | c | 68.85 | f | 76.82 | f | 92.37 | 95.16 | 92.60 | 82.73 | 72.90 | 63.30 | b | 51.75 | a | 71.98 | b | ||||||
2018 | 53.06 | d | 52.98 | 59.16 | 73.44 | d | 79.30 | d | 91.47 | 95.77 | e | 93.95 | a | 83.67 | r | 70.52 | b | 57.63 | c | 50.18 | c | 70.68 | a | |||
2019 | 48.43 | q | 45.79 | d | 58.79 | c | 70.43 | b | 70.23 | a | 86.91 | b | 94.75 | e | 94.09 | i | 90.25 | t | ----- | z | 58.95 | a | 47.98 | g | 69.41 | e |
2020 | 48.37 | h | 51.96 | f | 56.88 | j | 65.17 | g | 79.41 | d | 87.94 | f | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 51.50 | r | 79.41 | k |
2021 | 50.66 | c | 54.56 | d | 57.87 | e | 72.08 | k | 81.86 | j | 92.03 | k | 96.29 | 93.83 | b | ----- | z | ----- | z | ----- | z | 51.21 | c | 67.40 | f | |
2022 | ----- | z | ----- | z | ----- | z | ----- | z | 76.87 | d | 89.63 | d | 96.34 | l | 89.66 | 84.67 | f | 75.07 | a | 50.15 | ----- | z | 76.28 | g | ||
2023 | 44.32 | 47.38 | 51.77 | 67.58 | 78.69 | 83.48 | a | 98.58 | 89.70 | a | 82.22 | 73.05 | a | 57.42 | 54.02 | 69.02 | ||||||||||
2024 | 49.55 | 53.98 | 59.00 | m | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 51.77 | j | ||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 48.21 | 52.64 | 59.00 | 66.99 | 76.63 | 87.64 | 93.67 | 91.17 | 83.54 | 71.08 | 57.18 | 48.20 | 69.51 | |||||||||||||
S.D. | 3.33 | 3.10 | 3.66 | 3.26 | 3.71 | 3.05 | 2.17 | 1.95 | 2.40 | 3.05 | 3.30 | 2.64 | 1.31 | |||||||||||||
SKEW | -0.18 | 0.00 | 0.25 | -0.29 | -0.09 | -0.28 | -0.23 | -0.21 | -0.44 | -0.01 | -0.27 | -0.10 | 0.34 | |||||||||||||
MAX | 54.73 | 60.22 | 66.63 | 73.44 | 83.68 | 93.23 | 98.58 | 94.77 | 88.20 | 77.04 | 63.30 | 54.02 | 72.14 | |||||||||||||
MIN | 40.66 | 45.79 | 51.77 | 59.16 | 69.44 | 80.31 | 88.90 | 87.42 | 77.55 | 64.52 | 49.79 | 41.85 | 67.31 | |||||||||||||
YRS | 42 | 46 | 40 | 40 | 38 | 41 | 43 | 45 | 42 | 45 | 42 | 44 | 24 |