YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1991 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 56.67 | 53.97 | 45.87 | 38.81 | 48.83 | h | ||||
1992 | 39.60 | a | 47.83 | 49.00 | 51.47 | 55.58 | 57.27 | 59.03 | 58.58 | 56.87 | 56.03 | 45.77 | 40.57 | a | 51.47 | |||||||||||
1993 | 38.93 | a | 43.50 | 50.16 | 49.63 | 54.29 | 58.43 | 57.77 | 59.10 | 55.83 | 54.29 | 42.87 | 39.65 | 50.37 | ||||||||||||
1994 | 39.65 | 41.57 | 45.61 | 49.70 | 53.27 | a | 55.40 | 56.06 | 58.10 | 57.23 | 52.42 | 41.45 | a | 39.45 | 49.16 | |||||||||||
1995 | 47.71 | 47.00 | a | 45.87 | a | 48.60 | 52.39 | 56.33 | 60.28 | b | 59.13 | 58.07 | 53.32 | 48.50 | 47.10 | 52.02 | ||||||||||
1996 | 43.26 | 47.66 | 47.19 | 50.28 | a | 54.73 | a | 56.73 | 58.80 | a | 58.29 | 55.60 | 52.90 | 47.37 | 46.13 | 51.58 | ||||||||||
1997 | 43.87 | 43.96 | 47.06 | 50.40 | 57.48 | 57.70 | 58.48 | 60.55 | 60.73 | 52.35 | 49.40 | 39.35 | 51.78 | |||||||||||||
1998 | 44.90 | 44.64 | 47.06 | 48.20 | 50.87 | a | 55.45 | a | ----- | z | 59.71 | 59.23 | 51.06 | 46.60 | 36.39 | 49.47 | a | |||||||||
1999 | 40.19 | 42.68 | 44.13 | 47.63 | 49.70 | a | 54.28 | a | 56.97 | b | 59.35 | 57.07 | a | 53.00 | 48.70 | 38.42 | 49.34 | |||||||||
2000 | 45.23 | 47.11 | a | 46.71 | 50.50 | ----- | z | 57.33 | 56.68 | 58.17 | a | 57.53 | 52.72 | b | 42.00 | 40.84 | 50.44 | a | ||||||||
2001 | 37.65 | 42.25 | 47.71 | 46.17 | 55.16 | 57.63 | 57.81 | 57.97 | 55.80 | 54.29 | 47.83 | 44.17 | a | 50.37 | ||||||||||||
2002 | 39.45 | 42.00 | 43.19 | 48.76 | a | 50.90 | 56.13 | 57.71 | 56.58 | 56.33 | 51.68 | 45.57 | 43.58 | 49.32 | ||||||||||||
2003 | 45.13 | 42.21 | 47.47 | a | 46.57 | 52.39 | 55.83 | 58.71 | 59.48 | 58.53 | 53.77 | 44.93 | 43.19 | 50.69 | ||||||||||||
2004 | 42.39 | 44.41 | 48.77 | 49.73 | 54.13 | 57.30 | 58.13 | a | 60.00 | a | 58.50 | 52.81 | 45.00 | 41.07 | a | 51.02 | ||||||||||
2005 | 40.87 | 46.29 | 48.35 | 48.60 | 54.71 | 55.43 | 59.06 | 57.55 | 55.00 | 52.23 | 46.47 | 45.00 | 50.80 | |||||||||||||
2006 | 42.87 | 43.21 | 43.81 | 49.67 | 53.52 | 58.03 | 60.55 | 57.77 | 54.80 | 51.65 | 46.50 | 38.94 | 50.11 | |||||||||||||
2007 | 35.55 | 44.04 | 46.23 | a | 48.20 | 52.71 | 56.37 | 58.26 | 59.63 | a | 56.60 | 50.65 | 45.80 | 40.06 | 49.51 | |||||||||||
2008 | 41.29 | 42.55 | 44.94 | 46.13 | 53.29 | 56.86 | a | 58.42 | 58.68 | 57.07 | c | 53.00 | 46.97 | 38.23 | a | 49.79 | ||||||||||
2009 | 39.24 | b | 43.19 | a | 45.06 | 47.79 | a | 53.81 | 56.43 | b | 56.07 | a | 57.97 | a | 58.70 | 51.16 | 42.47 | 39.61 | 49.29 | |||||||
2010 | 43.94 | 46.54 | 45.84 | 46.47 | 49.94 | 56.53 | 56.13 | a | 55.84 | 58.10 | a | 53.00 | a | 44.87 | 45.03 | b | 50.19 | |||||||||
2011 | 40.19 | 39.54 | 46.87 | 48.97 | 50.06 | 55.32 | b | 57.94 | 57.00 | a | 58.30 | 53.80 | a | 44.80 | 38.17 | a | 49.25 | |||||||||
2012 | 39.55 | 42.36 | a | 44.84 | 49.17 | 52.32 | 56.64 | b | 56.80 | a | 57.58 | 54.70 | 54.81 | 48.07 | 43.35 | 50.02 | ||||||||||
2013 | 36.32 | 40.64 | 47.10 | 51.40 | 54.58 | 57.80 | 57.97 | 59.55 | 59.41 | c | 50.17 | a | 46.72 | a | 35.97 | 49.80 | ||||||||||
2014 | 41.35 | 46.68 | 49.48 | 50.73 | 55.13 | 56.97 | 60.39 | 60.06 | 60.40 | 55.71 | 49.20 | 48.13 | 52.85 | |||||||||||||
2015 | 41.87 | 47.61 | 50.26 | 49.63 | 52.74 | 55.93 | 61.10 | 60.90 | 59.20 | 57.48 | 42.77 | 41.32 | 51.73 | |||||||||||||
2016 | 46.03 | 45.38 | 49.65 | 51.87 | 54.52 | 57.33 | 57.45 | 57.13 | 56.47 | 54.06 | 48.67 | 39.74 | 51.52 | |||||||||||||
2017 | 41.39 | 46.46 | 47.58 | 49.10 | 53.61 | 58.77 | 58.84 | 60.45 | 61.50 | 51.71 | 49.53 | 37.77 | 51.39 | |||||||||||||
2018 | 44.68 | 42.07 | 45.52 | 49.53 | 53.68 | 56.57 | 59.52 | 58.10 | a | 56.40 | 55.06 | 47.17 | 44.61 | 51.08 | ||||||||||||
2019 | 45.29 | 43.21 | 47.00 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 45.17 | i | |||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 41.73 | 44.16 | 46.87 | 49.07 | 53.29 | 56.70 | 58.27 | 58.64 | 57.52 | 53.18 | 46.14 | 41.24 | 50.58 | |||||||||||||
S.D. | 3.02 | 2.33 | 1.89 | 1.58 | 1.88 | 1.04 | 1.38 | 1.28 | 1.78 | 1.69 | 2.29 | 3.25 | 1.03 | |||||||||||||
SKEW | -0.06 | 0.07 | 0.04 | -0.28 | -0.23 | -0.13 | 0.22 | -0.16 | 0.39 | 0.47 | -0.44 | 0.45 | 0.30 | |||||||||||||
MAX | 47.71 | 47.83 | 50.26 | 51.87 | 57.48 | 58.77 | 61.10 | 60.90 | 61.50 | 57.48 | 49.53 | 48.13 | 52.85 | |||||||||||||
MIN | 35.55 | 39.54 | 43.19 | 46.13 | 49.70 | 54.28 | 56.06 | 55.84 | 54.70 | 50.17 | 41.45 | 35.97 | 49.16 | |||||||||||||
YRS | 28 | 28 | 28 | 27 | 26 | 27 | 26 | 27 | 28 | 28 | 28 | 28 | 25 |