YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1973 | ----- | z | ----- | z | 53.03 | 61.30 | 68.58 | 71.17 | 79.94 | 77.10 | 73.60 | 61.68 | 50.17 | 50.61 | 64.72 | b | ||||||||||
1974 | 44.29 | 46.96 | 54.90 | 58.27 | 62.77 | 72.10 | 75.81 | 79.87 | 81.63 | 66.97 | 53.70 | 49.00 | 62.19 | |||||||||||||
1975 | 49.19 | 49.71 | 51.94 | 54.23 | 65.32 | 70.47 | 77.58 | 74.23 | 78.57 | 59.97 | 51.70 | 49.16 | 61.01 | |||||||||||||
1976 | 47.84 | 49.69 | 52.16 | 57.47 | 67.48 | 69.30 | 77.77 | 75.65 | 75.07 | b | 66.42 | 54.57 | 44.29 | 61.48 | ||||||||||||
1977 | 48.23 | 53.89 | 51.68 | 63.89 | b | 60.26 | 74.23 | 76.45 | 83.35 | 69.53 | 63.90 | 52.17 | 48.42 | 62.17 | ||||||||||||
1978 | 47.13 | 52.54 | 59.42 | 57.83 | 63.77 | 73.97 | 78.97 | 77.65 | 68.17 | 66.68 | 49.40 | ----- | z | 63.23 | a | |||||||||||
1979 | 37.55 | 48.00 | 58.42 | 58.33 | 68.13 | 74.40 | 80.68 | 77.32 | 76.48 | a | 67.13 | 51.20 | 50.90 | 62.38 | ||||||||||||
1980 | 45.50 | a | 53.68 | a | 53.06 | 62.13 | 64.06 | 66.77 | 77.71 | 76.42 | 75.00 | 67.19 | 54.93 | 49.00 | 62.12 | |||||||||||
1981 | 46.48 | 49.93 | 56.68 | 59.73 | 64.67 | a | 69.67 | 77.87 | 83.19 | 76.97 | 61.97 | 55.97 | 47.87 | 62.58 | ||||||||||||
1982 | 42.87 | 50.43 | 54.58 | 57.73 | 67.23 | 73.07 | 76.06 | 78.58 | 71.70 | 64.19 | 50.00 | 46.35 | 61.07 | |||||||||||||
1983 | 49.42 | 53.18 | 56.58 | 60.73 | 68.87 | 68.50 | 72.26 | 77.61 | 71.77 | 63.10 | 54.03 | 42.23 | a | 61.52 | ||||||||||||
1984 | ----- | z | 53.00 | 57.97 | 56.53 | 63.90 | 68.77 | 79.45 | 79.23 | 73.80 | 57.42 | 51.57 | ----- | z | 64.16 | b | ||||||||||
1985 | 41.06 | 48.14 | 52.94 | 62.67 | 66.97 | 74.67 | 84.94 | 79.90 | 70.27 | 62.23 | 42.80 | 42.23 | 60.73 | |||||||||||||
1986 | 50.68 | 50.79 | 61.87 | a | 58.30 | 66.48 | 75.73 | 74.48 | 84.42 | 68.87 | 65.06 | 52.80 | ----- | z | 64.50 | a | ||||||||||
1987 | 47.29 | 53.32 | 57.16 | 64.90 | 69.06 | 78.10 | 74.77 | 81.48 | 76.07 | 71.84 | 53.10 | 42.84 | 64.16 | |||||||||||||
1988 | 44.81 | 52.34 | 56.68 | 60.47 | 63.87 | 71.57 | 80.87 | 81.19 | 77.47 | 66.29 | 51.17 | 45.71 | 62.70 | |||||||||||||
1989 | 46.94 | 43.75 | 52.87 | 65.40 | 66.26 | 73.53 | 74.84 | 75.42 | 78.40 | 62.97 | 52.76 | a | 43.84 | 61.41 | ||||||||||||
1990 | 46.39 | 48.25 | 58.52 | 63.17 | 64.00 | 71.07 | 81.94 | 78.04 | e | 77.17 | a | 60.90 | 52.83 | 40.00 | a | 61.86 | ||||||||||
1991 | 46.00 | 56.07 | 52.39 | 57.13 | 60.10 | 66.20 | 80.52 | 80.71 | 80.40 | 68.39 | 52.87 | 44.90 | 62.14 | |||||||||||||
1992 | 49.87 | 56.83 | 61.68 | 63.00 | 73.32 | 76.77 | 79.71 | 83.26 | 73.80 | 64.94 | 50.63 | 43.68 | 64.79 | |||||||||||||
1993 | 41.13 | 47.62 | b | 56.23 | 56.93 | 68.00 | 69.00 | 70.94 | 78.03 | 78.60 | 67.84 | 46.83 | 43.45 | 60.38 | ||||||||||||
1994 | 48.58 | 47.68 | 59.45 | 60.53 | 67.42 | 69.63 | 82.58 | 79.58 | 79.13 | 62.26 | 45.97 | 47.37 | a | 62.52 | ||||||||||||
1995 | 49.55 | 53.46 | 56.58 | 58.10 | 68.84 | 72.48 | a | 80.39 | 77.84 | 76.10 | 61.42 | 56.24 | a | 46.31 | b | 63.11 | ||||||||||
1996 | 46.71 | 50.24 | 56.52 | 61.10 | 62.81 | 72.64 | e | 84.52 | 81.97 | 71.87 | 61.42 | 52.23 | 47.45 | 62.46 | ||||||||||||
1997 | 47.84 | 50.29 | 53.84 | 58.07 | 72.19 | 70.53 | 78.61 | 82.42 | 74.70 | 59.39 | 55.20 | 44.29 | 62.28 | |||||||||||||
1998 | 51.26 | 53.46 | 55.68 | 60.07 | 61.32 | 71.13 | 81.39 | 82.45 | 79.20 | 61.35 | 52.36 | b | 45.94 | 62.97 | ||||||||||||
1999 | 46.58 | 49.00 | 52.16 | 59.30 | 62.29 | 68.90 | 77.70 | a | 81.23 | 78.73 | 66.70 | a | 55.55 | a | 47.00 | 62.10 | ||||||||||
2000 | 45.07 | a | 50.00 | a | 53.07 | a | 62.43 | 65.07 | c | 74.63 | 78.58 | 80.35 | 74.43 | 63.29 | 49.20 | 45.52 | 61.80 | |||||||||
2001 | 46.58 | 50.54 | 56.32 | 56.87 | 70.94 | 69.10 | 77.87 | 80.29 | 76.57 | 63.29 | 54.33 | 45.94 | 62.39 | |||||||||||||
2002 | 45.58 | 52.71 | d | 51.42 | 60.57 | 63.26 | 72.97 | 82.52 | 81.48 | 77.23 | 63.00 | 55.00 | 48.52 | 62.85 | ||||||||||||
2003 | 51.03 | 51.71 | 54.55 | 56.23 | 65.13 | 76.63 | 85.52 | 82.58 | 78.00 | a | 66.29 | 48.97 | a | 48.65 | 63.77 | |||||||||||
2004 | 46.03 | 51.31 | 59.81 | 64.63 | 66.03 | 73.00 | 83.97 | b | 82.90 | 69.73 | 62.61 | 49.40 | 46.00 | a | 62.95 | |||||||||||
2005 | 48.32 | 50.96 | 59.42 | 59.07 | 66.90 | 68.77 | 82.00 | 84.77 | 74.96 | b | 62.03 | a | 47.90 | a | 42.43 | a | 62.30 | |||||||||
2006 | 47.90 | 49.52 | a | 52.45 | 61.57 | 68.32 | 74.00 | 83.52 | 81.84 | 77.37 | 62.97 | 49.15 | d | 45.52 | b | 62.84 | ||||||||||
2007 | 43.77 | 49.75 | d | 58.57 | a | 59.93 | 68.00 | 71.10 | 81.97 | 79.42 | 72.70 | 58.58 | 49.57 | b | 44.54 | c | 61.49 | |||||||||
2008 | 42.03 | b | 50.59 | 50.35 | 54.83 | 65.48 | 70.77 | 81.84 | 79.35 | 76.23 | 61.00 | a | 52.47 | 43.58 | 60.71 | |||||||||||
2009 | 44.30 | a | 49.43 | 50.65 | 58.80 | 68.70 | a | 73.23 | 85.29 | 80.81 | 75.86 | b | 61.10 | a | 53.24 | a | 41.03 | 61.87 | ||||||||
2010 | 50.94 | 53.19 | a | 55.17 | b | 58.53 | 62.24 | b | 67.96 | b | 81.37 | a | 79.22 | d | 73.18 | b | 61.81 | 50.79 | a | 49.10 | 61.96 | |||||
2011 | 47.00 | 46.64 | 52.40 | a | 54.14 | a | 59.79 | b | 68.63 | 75.13 | 80.29 | 78.89 | b | 60.75 | c | 50.63 | 42.48 | d | 59.73 | |||||||
2012 | 46.65 | 49.61 | a | 50.70 | a | 59.24 | a | 64.85 | d | 68.76 | a | 76.97 | a | 82.63 | a | 77.71 | b | 65.17 | a | 52.60 | 46.10 | a | 61.75 | |||
2013 | 40.23 | 48.07 | 56.07 | a | 60.79 | a | 67.71 | 72.96 | e | 84.69 | b | 80.53 | a | 71.90 | 59.63 | a | 49.80 | 39.50 | a | 60.99 | ||||||
2014 | 44.87 | a | 46.11 | a | 57.39 | 61.80 | 69.39 | 71.57 | b | 83.90 | 84.62 | b | 78.61 | b | 67.52 | 51.60 | 48.30 | a | 63.81 | |||||||
2015 | 48.00 | c | 55.15 | a | 61.35 | 60.21 | a | 67.65 | e | 83.04 | e | 87.28 | b | 84.56 | f | 74.56 | c | 67.23 | 51.21 | b | 47.19 | 63.90 | a | |||
2016 | 47.97 | 54.33 | b | 55.87 | 66.26 | c | 69.65 | 75.17 | a | 78.65 | 85.73 | a | 73.53 | 59.84 | 56.48 | a | 41.07 | a | 63.71 | |||||||
2017 | 40.55 | b | 48.64 | 52.97 | 57.83 | 68.06 | 73.20 | 82.71 | 86.53 | a | 77.00 | 61.32 | 52.37 | c | 43.65 | 62.07 | ||||||||||
2018 | 48.39 | 47.79 | 52.93 | a | 60.00 | a | 69.21 | b | 73.71 | b | 85.36 | f | 83.13 | a | 73.77 | 65.40 | a | 52.77 | 46.77 | a | 61.26 | a | ||||
2019 | 47.13 | a | 41.85 | a | 54.13 | 59.72 | a | 69.66 | b | 75.40 | 78.65 | 82.03 | a | 70.83 | 59.42 | 51.17 | 45.23 | a | 61.27 | |||||||
2020 | 49.45 | 50.21 | 53.37 | a | 62.00 | 67.45 | 70.60 | 80.23 | a | 83.19 | 76.79 | a | 63.55 | 50.69 | a | 47.07 | a | 62.88 | ||||||||
2021 | 48.71 | 47.15 | a | 53.79 | b | 65.10 | 68.03 | 80.03 | 84.97 | 83.74 | 75.63 | 60.19 | 53.75 | b | 44.57 | c | 63.81 | |||||||||
2022 | 45.94 | 49.60 | c | 54.90 | a | 54.63 | 61.87 | 71.50 | 83.39 | c | 85.39 | 79.03 | 68.84 | 46.60 | 43.90 | 62.13 | ||||||||||
2023 | 48.00 | 47.36 | 49.58 | 56.20 | 71.97 | b | 76.14 | b | 85.76 | b | 85.61 | 73.50 | 63.17 | a | 50.48 | a | 48.87 | a | 63.05 | |||||||
2024 | 46.06 | 50.90 | 54.33 | d | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 50.43 | i | ||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 46.47 | 50.30 | 55.13 | 59.78 | 66.34 | 72.30 | 80.11 | 80.89 | 75.32 | 63.48 | 51.63 | 45.59 | 62.23 | |||||||||||||
S.D. | 2.97 | 2.95 | 3.07 | 2.96 | 3.18 | 3.32 | 3.71 | 2.89 | 3.16 | 3.07 | 2.75 | 2.75 | 1.03 | |||||||||||||
SKEW | -0.86 | -0.22 | 0.39 | 0.17 | -0.15 | 0.75 | -0.27 | -0.18 | -0.38 | 0.39 | -0.66 | -0.19 | 0.11 | |||||||||||||
MAX | 51.26 | 56.83 | 61.87 | 66.26 | 73.32 | 83.04 | 87.28 | 86.53 | 81.63 | 71.84 | 56.48 | 50.90 | 64.79 | |||||||||||||
MIN | 37.55 | 41.85 | 49.58 | 54.14 | 59.79 | 66.20 | 70.94 | 74.23 | 68.17 | 57.42 | 42.80 | 39.50 | 59.73 | |||||||||||||
YRS | 50 | 51 | 52 | 51 | 51 | 51 | 50 | 50 | 51 | 51 | 51 | 48 | 45 |