YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1984 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 72.32 | 68.45 | 62.17 | 43.23 | 40.90 | 36.39 | 53.91 | f | ||||||
1985 | 28.65 | 31.18 | 38.87 | 48.33 | 56.71 | 67.03 | 70.90 | 73.94 | 58.50 | 51.39 | 34.97 | 32.03 | 49.37 | |||||||||||||
1986 | 40.97 | 34.96 | 45.87 | 48.80 | 53.94 | 66.73 | 69.87 | 70.90 | 59.27 | 47.97 | 39.63 | 34.90 | 51.15 | |||||||||||||
1987 | 31.77 | 34.61 | 37.29 | 50.07 | 55.39 | 67.60 | 72.81 | 68.10 | 61.90 | 55.16 | 40.43 | 28.81 | 50.33 | |||||||||||||
1988 | 27.77 | 36.52 | 35.58 | 49.97 | 55.74 | 69.63 | 73.61 | 72.52 | 63.63 | 57.16 | 38.27 | 34.00 | 51.20 | |||||||||||||
1989 | 33.84 | 30.43 | 45.81 | 48.87 | 56.90 | 62.00 | 73.58 | 68.71 | 62.20 | 53.06 | 42.10 | 30.42 | 50.66 | |||||||||||||
1990 | 34.19 | 33.79 | 39.81 | 46.93 | 53.87 | 72.37 | 68.10 | 69.74 | 66.53 | 53.65 | 44.07 | 29.06 | 51.01 | |||||||||||||
1991 | 32.32 | 40.04 | 39.65 | 45.00 | 56.10 | 66.17 | 69.84 | 69.35 | 62.43 | 54.68 | 34.30 | 36.29 | 50.51 | |||||||||||||
1992 | 35.52 | 38.10 | 41.58 | 53.40 | 58.23 | 63.37 | 68.58 | 68.00 | 67.00 | 56.45 | 32.80 | 32.71 | 51.31 | |||||||||||||
1993 | 33.94 | 33.11 | 41.39 | 45.30 | 56.87 | 63.93 | 71.77 | 68.39 | 61.70 | 49.39 | 35.63 | 34.03 | 49.62 | |||||||||||||
1994 | 32.29 | 35.11 | 44.00 | 46.10 | 60.55 | 72.13 | 74.03 | 72.84 | 66.83 | 50.29 | 39.80 | 39.16 | 52.76 | |||||||||||||
1995 | 34.90 | 39.93 | 40.90 | 43.60 | 47.61 | 61.93 | 70.94 | 76.35 | 62.10 | 54.55 | 44.37 | 36.52 | 51.14 | |||||||||||||
1996 | 31.87 | 37.76 | 40.77 | 47.70 | 60.10 | 68.63 | 74.68 | 73.97 | 61.50 | 53.23 | 42.60 | 33.19 | 52.17 | |||||||||||||
1997 | 33.65 | 32.39 | 46.90 | 41.33 | 56.97 | 66.63 | 73.32 | 69.94 | 65.83 | 52.65 | 36.73 | 32.74 | 50.76 | |||||||||||||
1998 | 34.84 | 33.96 | 39.77 | 43.43 | 59.94 | 63.83 | 73.35 | 72.52 | 70.30 | 52.00 | 44.13 | 34.55 | 51.89 | |||||||||||||
1999 | 35.10 | 40.14 | 46.61 | 42.37 | 54.29 | 65.60 | 73.74 | 70.00 | 60.50 | 57.77 | 51.97 | 34.94 | 52.75 | |||||||||||||
2000 | 34.90 | 41.28 | 41.65 | 53.20 | 62.19 | 68.47 | 77.65 | 76.39 | 65.73 | 51.48 | 34.43 | 34.58 | 53.50 | |||||||||||||
2001 | 33.74 | 37.00 | 40.58 | 50.17 | 58.97 | 71.97 | 76.39 | 72.23 | 68.17 | 55.81 | 45.63 | 34.87 | 53.79 | |||||||||||||
2002 | 33.68 | 36.93 | 39.65 | 53.20 | 58.48 | 74.17 | 80.00 | 73.97 | 65.50 | 48.77 | 40.50 | 35.81 | 53.39 | |||||||||||||
2003 | 40.00 | 31.79 | 41.03 | 48.80 | 58.84 | 63.73 | 81.81 | 75.16 | 62.70 | 59.03 | 40.23 | 38.77 | 53.49 | |||||||||||||
2004 | 34.87 | 33.24 | 50.00 | 46.73 | 59.58 | 64.47 | 70.19 | 66.87 | 63.27 | 51.77 | 38.33 | 34.90 | 51.19 | |||||||||||||
2005 | 37.58 | 36.21 | 36.77 | 45.87 | 55.13 | 64.67 | 77.58 | 69.74 | 68.27 | 53.35 | 42.93 | 31.77 | 51.66 | |||||||||||||
2006 | 35.61 | 33.00 | 37.77 | 52.47 | 59.23 | 72.53 | 73.81 | 69.97 | 58.20 | 49.19 | 42.20 | 33.35 | 51.44 | |||||||||||||
2007 | 29.71 | 34.82 | 44.19 | 45.33 | 55.26 | 68.00 | 74.84 | 73.10 | 65.67 | 55.32 | 45.40 | 28.42 | 51.67 | |||||||||||||
2008 | 29.16 | 33.86 | 37.81 | 45.87 | 53.26 | 66.47 | 75.94 | 70.45 | 61.63 | 53.00 | 44.03 | 31.71 | 50.27 | |||||||||||||
2009 | 34.77 | 37.29 | 42.29 | 43.33 | 56.77 | 62.43 | 70.06 | 70.70 | d | 60.78 | g | 44.58 | 45.23 | 25.35 | 48.44 | a | ||||||||||
2010 | 34.00 | 28.25 | 39.55 | 45.13 | 51.81 | 67.00 | 72.87 | 73.03 | 70.37 | 53.42 | 39.17 | 36.68 | 50.94 | |||||||||||||
2011 | 30.97 | 31.61 | 42.74 | 45.10 | 50.65 | 67.13 | 72.71 | 74.16 | 62.63 | 52.55 | 40.90 | 33.32 | 50.37 | |||||||||||||
2012 | 36.90 | 30.38 | 48.10 | 53.20 | 58.19 | 74.00 | 74.13 | 73.32 | 65.40 | 50.42 | 46.27 | 32.39 | 53.56 | |||||||||||||
2013 | 33.35 | 30.25 | 39.26 | 40.93 | 54.42 | 70.10 | 72.16 | 71.52 | 63.20 | 47.52 | 41.97 | 30.35 | 49.59 | |||||||||||||
2014 | 31.84 | 33.00 | 40.97 | 46.23 | 54.87 | 66.93 | 71.06 | 67.65 | 63.80 | 55.55 | 38.87 | 34.00 | 50.40 | |||||||||||||
2015 | 36.71 | 34.93 | 46.10 | 46.13 | 49.84 | 68.07 | 68.55 | 72.68 | 69.23 | 55.16 | 38.37 | 31.61 | 51.45 | |||||||||||||
2016 | 33.29 | 37.59 | 38.45 | 44.00 | 52.81 | 70.57 | 75.84 | 69.32 | 65.33 | 58.77 | 46.13 | 32.52 | 52.05 | |||||||||||||
2017 | 30.61 | 40.25 | 47.48 | 47.20 | 53.39 | 68.73 | 74.26 | 69.03 | 63.27 | 51.39 | 48.83 | 38.39 | 52.74 | |||||||||||||
2018 | 38.13 | 33.46 | 41.52 | 48.97 | 58.32 | 70.70 | 74.87 | 72.84 | 69.13 | 48.42 | 36.17 | 32.35 | 52.07 | |||||||||||||
2019 | 34.29 | 32.29 | 36.42 | 48.10 | 48.42 | 63.20 | 72.77 | 73.71 | 69.83 | 46.42 | ----- | z | ----- | z | 52.55 | b | ||||||||||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 33.88 | 34.84 | 41.63 | 47.18 | 55.82 | 67.46 | 73.30 | 71.38 | 64.39 | 52.35 | 41.09 | 33.45 | 51.52 | |||||||||||||
S.D. | 2.92 | 3.28 | 3.63 | 3.38 | 3.47 | 3.43 | 3.05 | 2.53 | 3.32 | 3.77 | 4.34 | 3.00 | 1.22 | |||||||||||||
SKEW | 0.17 | 0.20 | 0.51 | 0.27 | -0.52 | 0.24 | 0.62 | 0.15 | 0.16 | -0.40 | 0.19 | -0.37 | 0.27 | |||||||||||||
MAX | 40.97 | 41.28 | 50.00 | 53.40 | 62.19 | 74.17 | 81.81 | 76.39 | 70.37 | 59.03 | 51.97 | 39.16 | 53.79 | |||||||||||||
MIN | 27.77 | 28.25 | 35.58 | 40.93 | 47.61 | 61.93 | 68.10 | 66.87 | 58.20 | 43.23 | 32.80 | 25.35 | 49.37 | |||||||||||||
YRS | 35 | 35 | 35 | 35 | 35 | 35 | 36 | 36 | 35 | 36 | 35 | 35 | 33 |