YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1987 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 79.20 | 87.19 | 79.77 | 74.87 | 63.61 | 48.03 | 37.13 | 67.12 | e | |||||||
1988 | 30.45 | 40.59 | 45.16 | 61.97 | a | 68.68 | 84.07 | 86.60 | a | 86.71 | 73.82 | b | 64.48 | 48.97 | 41.77 | 61.11 | ||||||||||
1989 | 45.13 | 28.71 | 51.19 | 59.97 | 69.97 | 74.60 | 89.00 | 81.06 | 71.57 | 63.13 | 53.53 | 36.97 | 60.40 | |||||||||||||
1990 | 43.19 | 41.36 | 44.74 | 58.70 | 64.68 | 82.26 | c | 80.94 | 81.55 | 77.07 | 62.26 | 53.47 | 34.70 | a | 60.41 | |||||||||||
1991 | 36.81 | 52.96 | 51.90 | 57.57 | 69.29 | 79.17 | 85.03 | 83.68 | 75.00 | 63.39 | 40.93 | 43.77 | 61.63 | |||||||||||||
1992 | 39.35 | 49.48 | 50.90 | 63.13 | 70.74 | 72.47 | 78.52 | 77.84 | 75.83 | 64.77 | 41.87 | 32.65 | 59.80 | |||||||||||||
1993 | 31.23 | 33.57 | 49.23 | 54.47 | 68.10 | 73.43 | 80.84 | 79.74 | 68.03 | 59.00 | 39.47 | 38.97 | 56.34 | |||||||||||||
1994 | 40.48 | 37.25 | 53.81 | 58.43 | 73.39 | 83.47 | 82.97 | 84.94 | 78.13 | 59.61 | 44.47 | 44.84 | 61.82 | |||||||||||||
1995 | 40.13 | 45.82 | 48.39 | 52.33 | 55.13 | 72.17 | 84.23 | 87.94 | 72.03 | 60.55 | 50.50 | 43.74 | 59.41 | |||||||||||||
1996 | 36.93 | a | 44.79 | 45.00 | 59.93 | 65.42 | 78.17 | 83.13 | 81.37 | a | 70.77 | 61.71 | 45.00 | 42.32 | 59.55 | |||||||||||
1997 | 35.03 | 39.04 | 53.06 | 51.30 | 68.19 | 76.80 | 83.77 | 80.19 | 74.97 | 61.55 | 44.97 | 37.29 | 58.85 | |||||||||||||
1998 | 43.71 | 43.32 | 45.55 | 57.30 | 71.87 | 73.83 | 84.68 | 83.03 | 80.63 | 57.23 | 50.20 | 38.13 | 60.79 | |||||||||||||
1999 | 41.94 | 49.82 | 54.16 | 53.50 | 66.61 | 76.97 | a | 86.00 | 81.65 | 68.48 | a | 63.74 | 59.73 | 44.42 | 62.25 | |||||||||||
2000 | 43.39 | 48.83 | 49.71 | 62.50 | 70.29 | 79.07 | 89.97 | 89.39 | 74.10 | 60.65 | 37.07 | 36.97 | 61.83 | |||||||||||||
2001 | 38.77 | 35.46 | 46.61 | 58.00 | 66.32 | 79.53 | 87.39 | 86.35 | 77.47 | 60.84 | 54.28 | e | 41.48 | 61.04 | ||||||||||||
2002 | 40.87 | 43.54 | 42.61 | 61.87 | 67.58 | 85.30 | 91.03 | 83.13 | 73.63 | 53.48 | 43.53 | 43.52 | 60.84 | |||||||||||||
2003 | 45.65 | 37.75 | 47.68 | 60.23 | 66.87 | 71.83 | 90.77 | 86.39 | 71.70 | 67.84 | 43.13 | 42.19 | 61.00 | |||||||||||||
2004 | 42.35 | 40.76 | 55.58 | 59.77 | 70.90 | 73.97 | 82.90 | 80.97 | 75.37 | 61.77 | 46.17 | 41.45 | 61.00 | |||||||||||||
2005 | 39.90 | 44.29 | 48.94 | 55.00 | 65.06 | 73.33 | 86.16 | 81.19 | 76.27 | 60.48 | 52.23 | 36.83 | a | 59.97 | ||||||||||||
2006 | 46.84 | 37.21 | 43.90 | 63.00 | 71.03 | 84.30 | 88.35 | 80.94 | 67.83 | 58.26 | 49.80 | 37.84 | 60.78 | |||||||||||||
2007 | 27.81 | 34.50 | 52.87 | 52.93 | 68.03 | 78.10 | 85.13 | 83.55 | 73.70 | 62.00 | 49.70 | 28.19 | 58.04 | |||||||||||||
2008 | 27.55 | 35.24 | 47.45 | 54.23 | 64.68 | 76.27 | 86.84 | 78.20 | a | 71.03 | 60.13 | 51.20 | 32.87 | a | 57.14 | |||||||||||
2009 | 39.06 | 43.93 | 49.55 | 52.10 | 64.77 | 72.97 | 82.45 | 83.06 | 75.17 | 50.65 | 51.30 | 30.87 | 57.99 | |||||||||||||
2010 | 40.23 | 35.82 | 49.42 | 59.87 | 65.45 | 79.83 | 86.71 | 87.35 | 81.30 | 67.06 | 46.50 | 43.35 | 61.91 | |||||||||||||
2011 | 37.48 | 37.39 | 52.48 | 57.97 | 62.26 | 80.53 | 89.65 | 90.52 | 77.63 | 63.06 | 50.70 | 39.45 | 61.59 | |||||||||||||
2012 | 45.65 | 38.41 | 62.35 | 66.20 | 73.06 | 89.46 | b | 92.45 | 89.74 | 79.13 | 59.45 | 55.20 | 41.06 | 66.02 | ||||||||||||
2013 | 41.23 | 39.46 | 48.65 | 51.97 | 70.39 | 85.23 | 86.32 | 88.35 | 77.53 | 57.71 | 50.57 | 38.39 | 61.32 | |||||||||||||
2014 | 40.26 | 30.43 | 48.74 | 60.33 | 67.94 | 78.33 | 85.13 | 84.42 | 77.97 | a | 67.94 | 46.23 | 40.39 | 60.68 | ||||||||||||
2015 | 41.74 | 44.89 | 57.61 | 60.63 | 61.03 | a | 79.97 | 84.68 | 86.16 | 82.50 | 66.55 | 49.87 | 37.90 | 62.79 | ||||||||||||
2016 | 36.39 | 46.79 | 55.42 | 58.70 | 65.26 | 85.80 | 88.81 | 85.35 | 78.33 | 71.61 | 57.23 | 36.00 | 63.81 | |||||||||||||
2017 | 34.52 | 49.89 | 59.48 | 59.67 | 66.61 | 82.53 | 91.52 | 84.10 | 77.10 | 62.81 | 56.73 | 42.61 | 63.96 | |||||||||||||
2018 | 42.42 | 38.39 | 54.90 | 57.20 | 71.23 | 85.07 | 90.83 | h | ----- | z | 77.75 | r | ----- | z | 46.82 | b | 41.77 | a | 54.72 | d | ||||||
2019 | 42.65 | 37.07 | 42.81 | 60.03 | 58.55 | 77.47 | 85.94 | 84.81 | 77.83 | 56.10 | 48.10 | 41.32 | 59.39 | |||||||||||||
2020 | 43.94 | 40.17 | 51.35 | 57.87 | 70.71 | 87.30 | 89.97 | 90.35 | 78.40 | 60.19 | 55.60 | 43.16 | 64.08 | |||||||||||||
2021 | 39.39 | 43.44 | s | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 39.39 | k | |
2022 | ----- | z | 41.32 | i | 51.97 | 60.57 | 69.16 | 85.23 | 89.19 | 88.94 | 82.73 | 65.06 | 45.63 | 37.26 | 67.57 | b | ||||||||||
2023 | 31.65 | 35.00 | 41.84 | 58.37 | 69.00 | 74.63 | 83.87 | 83.45 | 80.53 | 64.58 | 53.47 | 45.10 | 60.12 | |||||||||||||
2024 | 35.06 | 44.79 | 52.75 | g | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 39.93 | j | ||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 39.14 | 40.76 | 50.14 | 58.22 | 67.38 | 79.24 | 86.23 | 84.18 | 75.67 | 61.81 | 48.95 | 39.35 | 60.84 | |||||||||||||
S.D. | 4.93 | 5.79 | 4.82 | 3.62 | 3.93 | 4.87 | 3.29 | 3.51 | 3.88 | 4.11 | 5.21 | 4.09 | 2.01 | |||||||||||||
SKEW | -0.76 | 0.13 | 0.38 | -0.27 | -1.09 | 0.21 | -0.13 | 0.16 | -0.25 | -0.28 | -0.15 | -0.76 | 0.16 | |||||||||||||
MAX | 46.84 | 52.96 | 62.35 | 66.20 | 73.39 | 89.46 | 92.45 | 90.52 | 82.73 | 71.61 | 59.73 | 45.10 | 66.02 | |||||||||||||
MIN | 27.55 | 28.71 | 41.84 | 51.30 | 55.13 | 71.83 | 78.52 | 77.84 | 67.83 | 50.65 | 37.07 | 28.19 | 56.34 | |||||||||||||
YRS | 36 | 35 | 35 | 35 | 35 | 36 | 35 | 35 | 35 | 35 | 36 | 36 | 33 |