YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1977 | 44.30 | a | 54.46 | b | 56.28 | b | 71.27 | d | 77.93 | d | 90.40 | 91.04 | c | 88.93 | a | 81.83 | 73.00 | 59.63 | 54.39 | 70.29 | ||||||
1978 | 47.42 | 50.89 | a | 61.28 | b | 71.57 | 76.45 | 90.07 | b | 94.83 | b | 88.00 | a | 80.21 | a | 72.74 | 55.24 | a | 44.38 | b | 69.42 | |||||
1979 | 40.55 | 50.44 | a | 57.30 | a | 67.67 | 73.97 | a | 86.52 | a | 93.26 | 86.07 | a | 84.00 | a | 75.97 | 51.63 | 52.34 | b | 68.31 | ||||||
1980 | 48.76 | f | 53.68 | d | 55.86 | b | 67.50 | 75.52 | 93.07 | 94.23 | 88.00 | a | 82.41 | a | 69.32 | 59.59 | c | 56.93 | b | 72.37 | a | |||||
1981 | 52.30 | d | 59.04 | 55.97 | a | 72.38 | a | 75.81 | 91.83 | a | 89.87 | a | 87.33 | a | 83.10 | 68.31 | b | 62.93 | 54.87 | 71.14 | ||||||
1982 | 48.32 | c | 49.80 | c | 58.71 | c | 67.62 | a | 76.27 | a | 89.33 | 92.77 | a | 86.03 | a | 79.69 | a | 68.21 | b | 54.07 | c | 44.30 | a | 67.93 | ||
1983 | 45.33 | a | 50.31 | b | 55.35 | 61.50 | b | 74.23 | 84.89 | c | 91.47 | a | 87.50 | a | 81.90 | a | 68.03 | 53.30 | c | 47.25 | c | 66.75 | ||||
1984 | 45.06 | 55.38 | c | 59.87 | a | 65.47 | 82.84 | 86.60 | e | 91.52 | 85.90 | 79.78 | c | 57.88 | e | 55.11 | b | 44.74 | 67.51 | |||||||
1985 | 42.00 | 49.68 | 57.60 | a | 69.48 | c | 76.23 | a | 89.10 | 90.48 | 86.97 | 75.43 | b | 67.71 | 55.90 | 50.87 | 67.62 | |||||||||
1986 | 56.48 | 54.86 | 64.48 | b | 69.93 | 77.13 | a | 85.20 | 86.77 | 88.16 | 79.00 | 67.19 | 52.67 | 45.81 | 68.97 | |||||||||||
1987 | 44.07 | b | 47.30 | a | 58.21 | b | 67.57 | 72.35 | 85.50 | 87.90 | 84.40 | a | 79.50 | 73.03 | 54.70 | 43.45 | 66.50 | |||||||||
1988 | 42.45 | 54.48 | 59.61 | 67.33 | 76.71 | 84.73 | 87.40 | a | 80.45 | 76.70 | 73.45 | 58.23 | 45.10 | 67.22 | ||||||||||||
1989 | 46.03 | 52.39 | 66.06 | 74.73 | 80.94 | 86.53 | 88.29 | 84.52 | 80.41 | a | 68.00 | 59.03 | 50.33 | a | 69.77 | |||||||||||
1990 | 44.97 | 50.11 | 58.45 | 67.07 | 74.16 | 90.53 | 83.48 | 82.23 | 78.69 | a | 71.32 | 57.10 | 43.68 | 66.82 | ||||||||||||
1991 | 44.81 | 55.68 | 55.39 | 67.87 | 77.30 | a | 83.27 | 86.32 | 84.65 | 76.53 | 72.00 | 53.57 | 43.94 | 66.78 | ||||||||||||
1992 | 42.10 | 49.79 | 58.35 | 71.53 | 72.19 | 82.93 | 85.39 | 84.40 | a | 81.07 | 71.74 | 50.97 | 39.42 | 65.82 | ||||||||||||
1993 | 47.26 | 49.89 | 60.26 | 68.60 | 76.03 | 85.03 | 89.39 | 82.45 | 79.93 | 67.55 | 54.73 | 48.84 | 67.50 | |||||||||||||
1994 | 50.35 | 49.54 | 61.20 | a | 66.70 | 76.32 | 91.17 | 90.26 | 87.71 | 79.27 | 66.32 | 52.73 | 49.97 | 68.46 | ||||||||||||
1995 | 45.84 | 59.21 | 60.00 | 64.30 | 73.23 | 84.10 | 89.55 | 88.87 | 80.07 | 73.26 | 63.57 | 50.97 | 69.41 | |||||||||||||
1996 | 50.68 | 57.48 | 60.03 | 70.03 | 84.00 | 87.23 | 89.77 | 85.45 | 74.90 | 66.52 | 57.63 | 51.71 | 69.62 | |||||||||||||
1997 | 44.19 | 50.57 | 64.45 | 61.30 | 76.68 | 84.27 | 89.00 | 85.61 | 80.83 | 69.68 | 55.60 | 41.90 | 67.01 | |||||||||||||
1998 | 49.65 | 47.93 | 57.55 | 62.60 | 77.71 | 86.23 | 87.74 | 86.77 | 84.70 | 67.74 | 59.27 | 51.00 | 68.24 | |||||||||||||
1999 | 54.74 | 58.36 | 63.55 | 65.27 | 74.68 | 85.10 | 84.55 | 82.81 | 78.90 | 73.87 | 65.30 | 47.84 | 69.58 | |||||||||||||
2000 | 53.00 | 57.72 | 58.39 | 69.63 | 82.97 | 87.57 | 90.42 | 88.35 | 84.80 | 64.00 | 48.70 | 50.00 | a | 69.63 | ||||||||||||
2001 | 42.00 | 53.11 | 59.74 | 70.60 | 80.58 | 89.13 | 89.81 | 86.20 | a | 84.03 | 74.42 | 58.07 | 47.00 | 69.56 | ||||||||||||
2002 | 48.55 | 54.68 | 62.23 | 74.90 | 80.39 | 92.20 | 90.26 | 89.42 | 79.33 | 67.37 | a | 57.23 | 44.90 | 70.12 | ||||||||||||
2003 | 57.06 | 50.63 | a | 59.65 | 68.20 | 79.16 | 86.83 | 95.61 | 88.32 | 83.00 | 74.87 | 57.90 | 49.65 | 70.91 | ||||||||||||
2004 | 48.39 | 47.90 | 64.97 | a | 64.57 | 79.55 | 87.67 | 88.74 | 84.84 | 80.03 | a | 68.38 | b | 53.30 | 49.42 | 68.15 | ||||||||||
2005 | 52.00 | 49.50 | 56.23 | 67.63 | 78.61 | 86.43 | 93.19 | 86.77 | a | 81.93 | 68.32 | 61.13 | 53.53 | a | 69.61 | |||||||||||
2006 | 52.65 | 57.11 | 58.26 | 73.23 | 82.84 | 90.20 | 89.10 | 82.30 | a | 75.77 | 67.97 | 61.50 | 46.60 | a | 69.79 | |||||||||||
2007 | 43.97 | 53.21 | 64.13 | 67.40 | 75.71 | 88.69 | a | 93.13 | 89.65 | 82.53 | 72.90 | a | 62.60 | 46.71 | 70.05 | |||||||||||
2008 | 44.94 | 53.33 | b | 62.35 | 68.67 | 76.52 | 89.43 | 87.65 | 89.32 | 82.23 | 71.83 | a | 59.87 | 48.26 | 69.53 | |||||||||||
2009 | 53.55 | 57.71 | 61.77 | 67.63 | 79.29 | 82.87 | 92.94 | 89.55 | 79.97 | 67.74 | 64.05 | h | 45.71 | 70.79 | a | |||||||||||
2010 | 47.16 | 48.18 | 57.04 | c | 68.80 | e | 77.53 | n | 90.27 | 89.61 | 86.39 | 85.47 | 71.52 | 56.80 | 54.19 | 68.67 | a | |||||||||
2011 | 50.32 | 51.46 | 66.19 | 70.77 | 75.03 | 90.63 | 92.06 | 91.35 | 81.33 | 70.61 | 57.50 | 40.16 | 69.79 | |||||||||||||
2012 | 51.10 | 51.41 | 64.58 | 73.07 | 80.77 | 93.17 | 88.52 | 90.16 | 82.53 | 75.26 | 63.17 | 49.00 | 71.89 | |||||||||||||
2013 | 46.71 | 50.68 | 64.87 | 70.93 | 78.42 | 93.17 | 87.97 | 86.71 | 79.43 | 68.35 | 55.77 | 49.52 | 69.38 | |||||||||||||
2014 | 55.39 | 58.79 | 62.68 | 68.63 | 76.61 | 90.57 | 89.97 | 82.97 | 81.77 | 74.35 | 59.53 | 49.03 | 70.86 | |||||||||||||
2015 | 48.42 | 56.29 | 64.61 | 67.80 | 72.23 | 89.60 | 86.03 | 88.48 | 84.40 | 70.03 | 56.67 | 47.29 | 69.32 | |||||||||||||
2016 | 47.29 | 60.03 | 65.19 | 66.77 | 74.13 | 91.60 | 93.32 | 84.16 | 82.10 | 76.13 | 57.47 | 51.00 | 70.77 | |||||||||||||
2017 | 49.39 | 56.54 | 68.55 | 69.70 | 75.90 | 92.20 | 90.97 | 87.61 | 81.70 | 72.29 | 66.50 | 56.00 | 72.28 | |||||||||||||
2018 | 54.42 | 56.71 | 62.06 | 72.87 | 83.00 | 91.93 | a | 91.74 | 88.74 | 83.60 | 65.58 | 56.37 | 47.42 | 71.20 | ||||||||||||
2019 | 45.58 | 49.43 | 60.13 | 69.53 | 71.45 | 87.10 | a | 92.00 | 91.03 | 83.03 | 68.77 | a | 57.23 | 48.06 | 68.61 | |||||||||||
2020 | 49.39 | 52.59 | 61.94 | 71.33 | 83.10 | 89.07 | 91.55 | 93.29 | 82.77 | 74.19 | 61.57 | 48.87 | 71.64 | |||||||||||||
2021 | 49.45 | 53.61 | 58.45 | 69.37 | 79.71 | 90.27 | 88.35 | 87.61 | 83.53 | 69.48 | 65.37 | 53.74 | 70.75 | |||||||||||||
2022 | 52.23 | 51.75 | 61.13 | 72.97 | 81.83 | a | 86.50 | 89.97 | 85.42 | 83.33 | 65.81 | 54.03 | 49.42 | 69.53 | ||||||||||||
2023 | 46.29 | 50.29 | 55.32 | 69.50 | 77.61 | 85.67 | 97.32 | 89.13 | 83.53 | 74.65 | 58.87 | 50.74 | 69.91 | |||||||||||||
2024 | 46.77 | 55.66 | 57.58 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 53.34 | i | |||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 48.19 | 53.12 | 60.50 | 68.80 | 77.48 | 88.22 | 90.12 | 86.83 | 81.09 | 70.16 | 57.60 | 48.52 | 69.18 | |||||||||||||
S.D. | 4.12 | 3.51 | 3.37 | 3.09 | 3.29 | 2.94 | 2.86 | 2.66 | 2.54 | 3.62 | 3.98 | 3.96 | 1.56 | |||||||||||||
SKEW | 0.30 | 0.28 | 0.31 | -0.34 | 0.25 | -0.06 | 0.08 | -0.16 | -0.59 | -0.63 | 0.23 | -0.08 | -0.20 | |||||||||||||
MAX | 57.06 | 60.03 | 68.55 | 74.90 | 84.00 | 93.17 | 97.32 | 93.29 | 85.47 | 76.13 | 66.50 | 56.93 | 72.28 | |||||||||||||
MIN | 40.55 | 47.30 | 55.32 | 61.30 | 71.45 | 82.87 | 83.48 | 80.45 | 74.90 | 57.88 | 48.70 | 39.42 | 65.82 | |||||||||||||
YRS | 47 | 48 | 48 | 47 | 46 | 47 | 47 | 47 | 47 | 47 | 46 | 47 | 44 |