YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1980 | ----- | z | 56.45 | 64.68 | 72.37 | 79.81 | 98.57 | 99.27 | a | 91.81 | 83.97 | 72.26 | 57.57 | 59.35 | 76.01 | a | ||||||||||
1981 | 54.94 | 61.64 | 62.10 | 76.37 | 81.10 | 94.33 | 92.55 | 85.48 | 82.20 | 71.03 | 66.87 | 58.48 | 73.92 | |||||||||||||
1982 | 53.29 | 53.36 | 66.55 | b | 72.79 | a | 81.20 | a | 87.21 | a | 92.71 | 93.89 | d | 88.13 | 74.65 | 58.54 | b | 49.00 | g | 74.76 | a | |||||
1983 | 47.58 | 54.43 | 63.68 | 66.67 | 81.83 | a | 87.50 | 95.48 | 96.19 | d | 90.37 | 74.39 | 63.80 | 44.40 | a | 72.19 | ||||||||||
1984 | 50.57 | a | 60.28 | 64.42 | 72.72 | a | 85.13 | 88.40 | 91.42 | 88.73 | e | 83.31 | a | 68.10 | a | 63.24 | e | 54.74 | d | 72.59 | ||||||
1985 | 48.71 | 53.19 | b | 65.90 | 76.45 | a | 82.81 | 87.57 | 93.96 | c | 95.57 | c | 82.83 | 70.48 | 64.72 | a | 52.00 | d | 72.85 | |||||||
1986 | 60.00 | 58.08 | b | 69.23 | 77.77 | 82.52 | 85.40 | 94.34 | b | 91.00 | e | 82.83 | 68.74 | 58.43 | 49.45 | 73.15 | ||||||||||
1987 | 49.77 | a | 55.75 | 59.76 | j | 72.23 | 80.10 | 88.57 | 92.65 | 90.03 | 82.17 | 76.77 | 64.70 | 53.53 | a | 73.30 | a | |||||||||
1988 | 49.45 | 60.10 | 67.13 | 73.27 | 80.00 | 87.17 | 87.48 | 90.23 | 84.00 | 77.23 | 68.72 | a | 54.52 | 73.27 | ||||||||||||
1989 | 59.10 | 53.71 | 72.06 | 79.00 | 87.23 | 86.47 | 92.26 | 88.77 | 81.43 | 79.58 | 67.12 | e | 50.45 | 74.77 | ||||||||||||
1990 | 55.65 | 61.00 | 61.65 | 72.07 | 80.61 | 98.67 | 87.37 | a | 88.84 | 83.53 | 74.45 | 65.72 | a | 53.81 | 73.61 | |||||||||||
1991 | 48.06 | 63.46 | 67.97 | 76.97 | 88.14 | b | 90.63 | 89.59 | b | 89.83 | b | 76.46 | b | 77.65 | 56.03 | 51.39 | 73.01 | |||||||||
1992 | 48.48 | 60.03 | 69.45 | 74.33 | 77.37 | a | 85.96 | b | 92.10 | 88.59 | b | 84.96 | b | 78.84 | 57.53 | 53.61 | 72.61 | |||||||||
1993 | 50.94 | 54.89 | 66.06 | 74.57 | 83.81 | 92.14 | b | 93.94 | 92.23 | 85.60 | 73.94 | 59.20 | 58.29 | 73.80 | ||||||||||||
1994 | 56.06 | 59.29 | 67.06 | 74.97 | 79.58 | 96.80 | 95.00 | a | 92.00 | 87.20 | 76.52 | 64.23 | 59.68 | 75.70 | ||||||||||||
1995 | 54.71 | 64.43 | 64.84 | 73.83 | 80.74 | 91.03 | 95.35 | 92.52 | 81.10 | a | 77.65 | 66.77 | 63.72 | m | 76.63 | a | ||||||||||
1996 | 62.67 | j | 63.79 | 64.39 | 76.90 | 92.00 | 92.77 | 92.58 | 88.74 | 82.46 | b | 76.13 | 64.07 | b | 58.67 | a | 77.50 | a | ||||||||
1997 | 49.97 | a | 51.21 | 71.00 | 66.17 | 79.83 | a | 89.97 | a | 94.10 | b | 90.52 | 88.70 | 75.07 | a | 61.13 | 51.00 | b | 72.39 | |||||||
1998 | 58.77 | 56.93 | 62.87 | 73.43 | 90.55 | 97.50 | 98.74 | 90.90 | 91.93 | 77.32 | 66.27 | 55.34 | b | 76.71 | ||||||||||||
1999 | 59.62 | b | 66.50 | 63.19 | 73.70 | 79.07 | c | 88.31 | a | 91.48 | 93.81 | 82.46 | d | 79.30 | a | 73.10 | 56.21 | b | 75.56 | |||||||
2000 | 60.94 | 68.52 | 69.48 | 76.90 | 90.68 | 87.60 | 95.03 | 95.58 | 92.00 | 74.93 | a | 55.10 | 50.24 | b | 76.42 | |||||||||||
2001 | 46.23 | 60.93 | 59.61 | 78.67 | 83.71 | 94.03 | 98.81 | 92.71 | 87.43 | 78.32 | 65.63 | 55.77 | 75.15 | |||||||||||||
2002 | 57.71 | 57.86 | 65.33 | a | 76.67 | 86.13 | 95.30 | 92.74 | 94.39 | 84.73 | 70.03 | 59.70 | 53.41 | b | 74.50 | |||||||||||
2003 | 59.87 | 57.61 | 68.61 | 79.20 | 86.97 | 87.97 | 95.52 | 94.90 | 84.57 | 79.87 | 64.00 | 60.76 | b | 76.65 | ||||||||||||
2004 | 57.06 | 54.90 | 68.77 | 72.10 | a | 85.58 | 90.33 | 87.90 | 84.93 | a | 81.27 | 72.23 | a | 55.20 | 55.61 | 72.16 | ||||||||||
2005 | 56.52 | 55.82 | 62.58 | 73.67 | 79.84 | 92.87 | 92.68 | 87.00 | b | 88.00 | 74.61 | 67.83 | 56.55 | 74.00 | ||||||||||||
2006 | 61.16 | 61.36 | 65.45 | 80.10 | 88.13 | 94.00 | 94.03 | 90.13 | 80.97 | 74.58 | 67.70 | 55.13 | a | 76.06 | ||||||||||||
2007 | 46.79 | b | 59.07 | 68.58 | 69.50 | 75.57 | a | 85.96 | b | 89.42 | 93.13 | 86.37 | 81.58 | 66.13 | 55.06 | 73.10 | ||||||||||
2008 | 54.16 | 62.21 | 67.39 | 74.90 | 82.39 | 94.80 | 88.52 | 88.26 | 80.10 | 74.39 | 66.67 | 57.00 | 74.23 | |||||||||||||
2009 | 59.00 | 64.79 | 68.77 | 74.73 | 81.58 | 91.13 | 91.19 | 90.87 | 82.07 | 71.45 | 67.13 | 46.97 | 74.14 | |||||||||||||
2010 | 52.61 | 48.04 | 63.03 | 74.71 | b | 80.10 | 95.10 | 87.71 | 91.74 | 88.43 | 77.45 | 65.50 | 58.94 | 73.61 | ||||||||||||
2011 | 56.10 | 56.04 | 72.90 | 81.37 | 84.19 | 98.97 | 97.23 | 98.06 | 86.20 | 76.58 | 64.80 | 43.97 | 76.37 | |||||||||||||
2012 | 59.97 | 55.76 | 72.39 | 81.60 | 85.10 | 94.07 | 92.84 | 92.97 | 85.57 | 74.55 | 69.53 | 57.81 | 76.84 | |||||||||||||
2013 | 52.26 | 56.32 | 67.55 | 73.67 | 83.90 | 91.43 | 88.48 | 91.52 | 86.17 | 75.71 | 60.47 | 51.81 | 73.27 | |||||||||||||
2014 | 55.77 | 57.14 | 65.52 | 75.20 | 81.87 | 89.80 | 89.74 | 90.29 | 78.17 | 77.10 | 58.57 | 55.23 | 72.87 | |||||||||||||
2015 | 47.71 | 57.57 | 62.55 | 73.13 | 75.16 | 87.00 | 90.52 | 91.42 | 88.07 | 73.03 | 62.93 | 56.06 | 72.10 | |||||||||||||
2016 | 53.13 | 62.59 | 69.84 | 72.33 | 77.97 | 88.93 | 97.61 | 88.45 | 81.30 | 79.10 | 65.13 | 53.39 | 74.15 | |||||||||||||
2017 | 53.61 | 65.07 | 72.87 | 74.27 | 80.87 | 91.90 | 91.71 | 84.16 | 82.53 | 73.97 | 69.03 | 56.45 | 74.70 | |||||||||||||
2018 | 54.42 | 60.04 | 68.45 | 74.03 | 90.35 | 95.60 | 91.71 | 90.61 | 81.17 | 68.68 | 57.57 | 53.10 | 73.81 | |||||||||||||
2019 | 55.32 | 60.57 | 62.03 | 74.20 | 76.61 | 88.37 | 93.39 | 96.00 | 86.53 | 69.13 | 59.63 | 57.29 | 73.26 | |||||||||||||
2020 | 56.55 | 53.31 | 67.39 | 73.97 | 87.42 | 93.10 | 97.26 | 96.10 | 83.30 | 76.43 | a | 68.37 | 57.06 | 75.85 | ||||||||||||
2021 | 51.58 | 51.71 | 67.00 | 71.43 | 81.03 | 90.50 | 87.03 | 89.48 | 89.13 | 79.55 | 68.43 | 66.06 | 74.41 | |||||||||||||
2022 | 54.06 | 54.25 | 66.90 | 79.07 | 88.81 | 92.13 | 96.77 | 89.84 | 86.03 | 71.90 | 58.87 | 54.16 | 74.40 | |||||||||||||
2023 | 57.06 | 58.50 | 67.55 | 73.87 | 81.84 | 89.07 | 96.81 | 96.74 | 89.33 | 76.42 | 65.13 | 58.65 | 75.91 | |||||||||||||
2024 | 50.90 | 62.31 | 66.45 | 75.11 | l | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 59.89 | i | |||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 54.10 | 58.46 | 66.62 | 74.68 | 82.94 | 91.25 | 92.89 | 91.34 | 84.66 | 75.04 | 63.56 | 54.80 | 74.21 | |||||||||||||
S.D. | 4.25 | 4.38 | 3.19 | 3.25 | 4.18 | 3.76 | 3.31 | 3.18 | 3.49 | 3.36 | 4.39 | 4.21 | 1.41 | |||||||||||||
SKEW | -0.13 | 0.05 | 0.06 | -0.15 | 0.36 | 0.40 | 0.03 | -0.02 | 0.10 | -0.34 | -0.27 | -0.38 | 0.37 | |||||||||||||
MAX | 61.16 | 68.52 | 72.90 | 81.60 | 92.00 | 98.97 | 99.27 | 98.06 | 92.00 | 81.58 | 73.10 | 66.06 | 76.84 | |||||||||||||
MIN | 46.23 | 48.04 | 59.61 | 66.17 | 75.16 | 85.40 | 87.03 | 84.16 | 76.46 | 68.10 | 55.10 | 43.97 | 72.10 | |||||||||||||
YRS | 43 | 45 | 44 | 44 | 44 | 44 | 44 | 44 | 44 | 44 | 44 | 42 | 39 |