YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1987 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 95.73 | i | 88.11 | l | 81.65 | k | 67.46 | d | 54.52 | b | 60.99 | j |
1988 | 53.77 | 63.48 | 73.17 | b | 78.87 | 88.07 | b | 93.07 | 91.93 | a | 90.63 | a | 87.00 | 78.97 | 70.80 | 56.58 | 77.20 | |||||||||
1989 | 59.74 | 61.96 | a | 75.16 | 82.17 | 92.03 | 94.17 | 96.13 | 92.58 | 85.17 | 80.52 | 68.70 | 52.42 | 78.40 | ||||||||||||
1990 | 61.13 | 65.61 | 69.90 | 76.93 | 85.71 | 100.97 | 89.03 | 87.61 | 84.40 | 79.35 | 68.60 | 57.63 | a | 77.24 | ||||||||||||
1991 | 51.68 | 63.75 | 71.65 | 81.50 | 91.42 | 97.57 | 92.23 | 93.61 | 81.79 | a | 82.52 | 62.93 | 56.60 | a | 77.27 | |||||||||||
1992 | 53.55 | 65.24 | 73.06 | 82.21 | a | 81.65 | 92.10 | 96.19 | 93.48 | 91.20 | 81.90 | 62.43 | 56.93 | b | 77.50 | |||||||||||
1993 | 58.07 | d | 59.50 | 70.90 | 80.10 | a | 86.94 | 94.17 | 95.23 | 93.65 | 86.72 | a | 77.14 | b | 62.33 | c | 59.81 | 77.05 | ||||||||
1994 | 58.83 | a | 65.56 | a | 72.41 | b | 79.77 | 85.55 | 101.03 | 99.39 | 95.87 | 88.50 | 77.42 | 66.57 | b | 61.29 | 79.35 | |||||||||
1995 | 58.76 | b | 68.81 | a | 70.63 | a | 78.93 | a | 86.06 | 94.00 | 98.39 | 95.77 | 86.62 | a | 81.48 | 70.76 | a | 58.52 | 79.06 | |||||||
1996 | 63.43 | c | 65.41 | 69.93 | a | 82.04 | c | 96.71 | 96.30 | 95.94 | 90.65 | 84.73 | 79.13 | a | 68.00 | 64.97 | b | 79.77 | ||||||||
1997 | 56.57 | a | 56.11 | a | 72.42 | 72.87 | 83.87 | 94.73 | 97.19 | 94.94 | 90.03 | 77.41 | b | 65.39 | b | 51.73 | a | 76.11 | ||||||||
1998 | 62.52 | 62.82 | 69.59 | b | 77.60 | 93.77 | 101.30 | 99.90 | 93.45 | 93.67 | 79.43 | a | 70.23 | 59.47 | a | 80.31 | ||||||||||
1999 | 66.38 | b | 71.36 | 72.33 | a | 81.11 | b | 86.61 | 93.13 | 95.20 | a | 97.00 | 86.93 | 80.97 | a | 73.03 | 59.48 | b | 80.29 | |||||||
2000 | 63.60 | a | 71.31 | 73.00 | a | 84.32 | b | 94.13 | 92.17 | 98.65 | 96.55 | 93.23 | 74.61 | 57.86 | a | 55.62 | b | 79.59 | ||||||||
2001 | 54.30 | a | 65.52 | a | 64.13 | 83.41 | a | 89.90 | a | 98.00 | 100.32 | 95.80 | a | 90.47 | 82.39 | 67.43 | b | 58.97 | 79.22 | |||||||
2002 | 62.50 | a | 59.64 | 69.71 | c | 84.55 | a | 90.29 | 99.30 | 95.00 | 99.03 | 88.60 | 73.10 | 62.87 | 56.26 | 78.40 | ||||||||||
2003 | 63.55 | 60.43 | 71.42 | 82.00 | a | 88.77 | 94.17 | 97.52 | 96.65 | 88.27 | 80.87 | 67.33 | 61.84 | 79.40 | ||||||||||||
2004 | 58.42 | 57.76 | 70.90 | 74.50 | 89.55 | 93.67 | 93.81 | 91.94 | 84.97 | 71.52 | 59.07 | a | 55.20 | a | 75.11 | |||||||||||
2005 | 60.61 | 57.32 | 67.45 | 78.50 | 83.45 | 97.13 | 97.58 | ----- | z | 92.00 | 77.26 | 72.37 | 60.71 | 76.76 | a | |||||||||||
2006 | 65.06 | 64.21 | 71.26 | 85.00 | ----- | z | 96.43 | 96.00 | ----- | z | 81.03 | 76.83 | a | 68.30 | 55.97 | 76.01 | b | |||||||||
2007 | 49.10 | 61.82 | 72.13 | 75.33 | 79.52 | 91.73 | 92.61 | 93.74 | 87.83 | 82.48 | 67.30 | 59.61 | 76.10 | |||||||||||||
2008 | 55.35 | 67.24 | ----- | z | 80.76 | a | 88.06 | 99.80 | 91.00 | 91.81 | ----- | z | 78.58 | 68.60 | 61.35 | 78.26 | b | |||||||||
2009 | 63.35 | ----- | z | 72.58 | 79.80 | 88.23 | 95.77 | 95.39 | 94.87 | 85.27 | 76.16 | 69.07 | 50.67 | a | 79.20 | a | ||||||||||
2010 | 54.71 | 56.79 | 68.53 | a | 78.20 | 86.87 | 98.77 | 88.20 | a | 95.23 | 88.40 | 79.97 | 69.33 | 63.42 | 77.37 | |||||||||||
2011 | 59.26 | 60.18 | 78.61 | 85.50 | 88.10 | 102.20 | 99.90 | 100.74 | 89.47 | 80.94 | 68.07 | 47.81 | 80.06 | |||||||||||||
2012 | 62.81 | 60.60 | x | ----- | z | 85.07 | 87.52 | 98.93 | 94.00 | 96.61 | ----- | z | ----- | z | ----- | z | ----- | z | 87.49 | f | ||||||
2013 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
2014 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
2015 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 76.29 | 65.43 | 59.94 | 67.22 | i | |||
2016 | 55.45 | 66.83 | 74.77 | 78.57 | 83.84 | 96.17 | a | 102.71 | 91.55 | 83.95 | h | 83.06 | 67.67 | 58.29 | 78.08 | a | ||||||||||
2017 | 60.00 | 69.89 | 79.03 | 81.13 | 86.16 | 96.67 | 95.87 | 90.55 | 88.20 | 78.61 | 71.00 | 60.23 | 79.78 | |||||||||||||
2018 | 56.23 | 65.39 | 73.35 | 81.70 | 94.42 | 99.50 | 96.90 | 94.97 | 85.17 | 73.39 | 62.40 | 55.61 | 78.25 | |||||||||||||
2019 | 57.90 | 64.86 | 67.06 | 80.03 | 85.84 | 93.70 | 97.48 | 100.03 | 92.10 | 74.90 | 62.93 | 59.77 | a | 78.05 | ||||||||||||
2020 | 59.87 | 58.00 | 69.81 | 79.67 | 91.90 | 97.23 | 101.16 | 99.71 | 88.79 | a | 80.68 | 71.93 | 59.45 | 79.85 | ||||||||||||
2021 | 55.74 | 58.36 | 71.10 | 74.63 | 86.61 | 95.43 | 90.29 | 90.94 | 91.47 | 81.81 | 70.30 | 68.10 | 77.90 | |||||||||||||
2022 | 57.84 | 58.25 | 69.71 | 82.77 | 92.74 | 96.50 | 99.55 | 92.32 | 87.90 | 74.74 | 61.30 | 58.06 | 77.64 | |||||||||||||
2023 | 60.58 | 59.61 | 71.71 | 78.03 | 87.35 | 99.90 | 102.00 | 98.77 | 93.97 | 78.87 | 65.13 | 61.03 | 79.75 | |||||||||||||
2024 | 55.87 | 65.55 | 69.81 | 78.08 | e | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 67.33 | h | |||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 58.72 | 63.08 | 71.48 | 80.17 | 88.18 | 96.54 | 96.14 | 94.55 | 88.13 | 78.59 | 66.85 | 58.17 | 78.37 | |||||||||||||
S.D. | 4.02 | 4.28 | 2.94 | 3.16 | 3.86 | 2.95 | 3.64 | 3.17 | 3.28 | 3.04 | 3.81 | 4.01 | 1.42 | |||||||||||||
SKEW | -0.22 | 0.17 | 0.38 | -0.31 | 0.13 | 0.18 | -0.33 | 0.10 | -0.11 | -0.51 | -0.54 | -0.24 | -0.43 | |||||||||||||
MAX | 66.38 | 71.36 | 79.03 | 85.50 | 96.71 | 102.20 | 102.71 | 100.74 | 93.97 | 83.06 | 73.03 | 68.10 | 80.31 | |||||||||||||
MIN | 49.10 | 56.11 | 64.13 | 72.87 | 79.52 | 91.73 | 88.20 | 87.61 | 81.03 | 71.52 | 57.86 | 47.81 | 75.11 | |||||||||||||
YRS | 34 | 32 | 32 | 34 | 32 | 33 | 33 | 31 | 30 | 33 | 34 | 34 | 27 |