YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1990 | ----- | z | ----- | z | ----- | z | 80.17 | 84.71 | 98.87 | 88.90 | 84.13 | 84.60 | 77.90 | 67.03 | 58.61 | 80.55 | c | |||||||||
1991 | 56.81 | 62.79 | 65.74 | 77.10 | 86.81 | 92.47 | 89.65 | 87.45 | b | 81.77 | 81.04 | d | 64.93 | 55.06 | 75.13 | |||||||||||
1992 | 49.77 | 60.90 | 67.68 | c | 79.93 | 80.58 | 93.83 | 95.69 | e | 89.37 | l | 91.30 | 83.29 | c | 66.17 | 56.27 | a | 75.04 | a | |||||||
1993 | 60.00 | 63.07 | 71.16 | f | 82.54 | f | 86.68 | 96.83 | 93.23 | 91.13 | 86.50 | 80.42 | 67.43 | 61.10 | 78.64 | b | ||||||||||
1994 | 64.00 | 63.61 | 70.55 | 79.80 | 87.13 | 99.27 | 97.52 | 95.68 | 89.13 | 79.39 | 67.17 | 59.52 | 79.40 | |||||||||||||
1995 | 59.35 | 66.68 | 70.10 | 75.80 | 86.03 | 93.50 | 94.90 | 93.52 | 88.90 | a | 83.90 | 72.67 | 63.74 | 79.09 | ||||||||||||
1996 | 66.10 | 70.55 | 71.35 | 77.53 | 93.52 | h | 96.10 | a | 94.26 | 89.87 | 84.87 | 80.48 | 70.27 | d | 63.40 | a | 78.62 | a | ||||||||
1997 | 60.28 | b | 64.36 | 73.87 | a | 73.96 | b | 88.17 | b | 94.47 | 95.32 | 91.06 | 91.89 | c | 80.17 | b | 68.38 | a | 51.94 | 77.82 | ||||||
1998 | 64.06 | 60.45 | h | 69.50 | c | 73.57 | b | 86.55 | 95.97 | a | 93.35 | 91.42 | 91.43 | 80.19 | 73.11 | b | 63.23 | a | 80.22 | a | ||||||
1999 | 68.37 | a | 71.50 | 75.39 | 77.41 | a | 87.26 | 92.43 | 89.97 | 87.97 | 89.14 | b | 82.50 | a | 76.86 | a | 60.00 | b | 79.90 | |||||||
2000 | 69.41 | b | 71.29 | a | 73.79 | b | 83.80 | 92.41 | b | 93.10 | 94.10 | b | 91.58 | 93.17 | 75.80 | f | 64.08 | e | 64.50 | y | 82.67 | b | ||||
2001 | 59.59 | n | 67.08 | c | 71.00 | p | 82.88 | v | 91.40 | u | 94.58 | r | 94.71 | 93.03 | 90.57 | 85.17 | b | 74.10 | 61.53 | a | 80.88 | e | ||||
2002 | 63.00 | 63.04 | 73.42 | 84.60 | 88.97 | 99.83 | 96.10 | 93.97 | 89.80 | 78.29 | 70.17 | 59.35 | 80.04 | |||||||||||||
2003 | 66.80 | a | 65.07 | 67.61 | 75.87 | 75.75 | w | 95.53 | 97.71 | 94.74 | 90.17 | 83.48 | 70.73 | 61.87 | 79.05 | a | ||||||||||
2004 | 61.06 | 61.66 | 73.37 | a | 76.33 | 87.29 | 93.00 | 92.52 | 88.26 | 83.80 | 77.32 | 62.00 | b | 58.31 | b | 76.24 | ||||||||||
2005 | 60.06 | 59.08 | b | 66.61 | 76.61 | b | 86.80 | a | 93.82 | b | 96.17 | b | 88.39 | 89.67 | 78.00 | 72.07 | 65.10 | 77.70 | ||||||||
2006 | 64.87 | 68.64 | 69.26 | 82.30 | 89.06 | 93.37 | 92.26 | 86.10 | 80.90 | 75.77 | 73.21 | b | 60.26 | 78.00 | ||||||||||||
2007 | 51.94 | 65.04 | 72.39 | 78.50 | 86.03 | 94.40 | 91.87 | 89.42 | 86.50 | 81.29 | 70.63 | 58.29 | 77.19 | |||||||||||||
2008 | 58.61 | 67.17 | 72.68 | 79.10 | 84.81 | 96.13 | 85.61 | 86.50 | c | 81.67 | i | 79.77 | 68.83 | 62.42 | 76.51 | a | ||||||||||
2009 | 63.48 | 67.86 | 72.42 | 76.67 | 87.84 | 89.87 | 92.97 | 91.74 | 84.67 | 75.06 | 68.67 | 57.61 | 77.40 | |||||||||||||
2010 | 54.65 | 58.79 | 66.74 | 74.20 | 85.00 | 94.45 | a | 89.84 | 90.10 | 87.30 | 79.71 | 68.27 | 66.65 | 76.31 | ||||||||||||
2011 | 58.71 | 65.42 | b | 75.90 | 81.67 | 85.00 | 98.93 | 95.23 | 93.81 | 88.07 | 80.13 | 64.73 | 52.55 | 78.35 | ||||||||||||
2012 | 63.13 | 64.86 | 72.35 | 81.97 | 88.68 | 98.20 | 90.55 | 93.39 | 86.67 | 83.10 | 71.93 | 62.39 | 79.77 | |||||||||||||
2013 | 52.84 | 60.71 | 74.55 | 79.90 | 85.55 | b | 98.53 | 89.10 | a | 89.29 | c | 86.47 | 80.59 | i | 70.03 | 57.90 | 76.81 | a | ||||||||
2014 | ----- | z | ----- | z | ----- | z | 77.47 | 83.13 | a | 96.07 | 92.48 | 85.10 | 83.62 | a | 80.97 | 66.20 | 61.52 | 80.73 | c | |||||||
2015 | 57.35 | 68.00 | 68.94 | 75.30 | 80.97 | 94.27 | 89.16 | 91.55 | 86.57 | 78.52 | 69.10 | 58.71 | 76.54 | |||||||||||||
2016 | 55.94 | 66.96 | a | 74.54 | e | 77.42 | k | 84.38 | e | 93.89 | l | 94.21 | b | 87.33 | a | 83.87 | 82.97 | 69.93 | 59.77 | 75.99 | b | |||||
2017 | 57.68 | 68.21 | 76.10 | a | 79.77 | 84.48 | 95.87 | 90.23 | 88.06 | 87.93 | 81.94 | 76.23 | 61.19 | 78.97 | ||||||||||||
2018 | 61.87 | 66.46 | 71.29 | 81.53 | 88.71 | 94.87 | 91.77 | 89.68 | 86.63 | 73.00 | 65.40 | 56.13 | 77.28 | |||||||||||||
2019 | 56.74 | 60.19 | g | 69.61 | 76.90 | 80.74 | 92.23 | 92.61 | m | 92.68 | 86.73 | 78.16 | 66.00 | 58.78 | d | 75.86 | b | |||||||||
2020 | 59.87 | 61.03 | 69.03 | 77.90 | 89.19 | 94.83 | 93.74 | 96.94 | 87.83 | 83.61 | 73.70 | 58.00 | 78.81 | |||||||||||||
2021 | 58.03 | 65.39 | 67.71 | 79.03 | 87.13 | 95.73 | 89.87 | 88.97 | 86.67 | 79.35 | 70.80 | 66.13 | 77.90 | |||||||||||||
2022 | 58.39 | 60.29 | 70.00 | 81.50 | 89.42 | 93.50 | 92.87 | 86.97 | 85.13 | 72.84 | 64.27 | 59.68 | 76.24 | |||||||||||||
2023 | 57.19 | 59.07 | 65.90 | 78.63 | 84.39 | 93.60 | 100.52 | 96.39 | 91.87 | 83.03 | 67.70 | 61.23 | 78.29 | |||||||||||||
2024 | 58.77 | 64.52 | 67.13 | 71.75 | n | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 63.47 | i | |||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 59.97 | 64.81 | 70.82 | 78.54 | 86.26 | 95.12 | 92.92 | 90.49 | 87.40 | 80.02 | 69.20 | 59.95 | 77.92 | |||||||||||||
S.D. | 4.59 | 3.55 | 3.09 | 2.82 | 2.66 | 2.35 | 3.10 | 3.27 | 3.00 | 3.04 | 3.57 | 3.39 | 1.36 | |||||||||||||
SKEW | 0.02 | 0.03 | 0.03 | 0.22 | -0.33 | 0.29 | 0.07 | 0.12 | -0.10 | -0.63 | 0.18 | -0.27 | -0.18 | |||||||||||||
MAX | 69.41 | 71.50 | 76.10 | 84.60 | 92.41 | 99.83 | 100.52 | 96.94 | 93.17 | 85.17 | 76.86 | 66.65 | 80.04 | |||||||||||||
MIN | 49.77 | 58.79 | 65.74 | 73.57 | 80.58 | 89.87 | 85.61 | 84.13 | 80.90 | 72.84 | 62.00 | 51.94 | 75.13 | |||||||||||||
YRS | 32 | 31 | 31 | 31 | 31 | 32 | 33 | 33 | 33 | 32 | 34 | 33 | 21 |