YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1986 | ----- | z | ----- | z | ----- | z | ----- | z | 36.39 | 39.17 | 47.45 | 47.61 | 35.30 | 30.29 | 13.77 | -2.21 | b | 30.97 | d | |||||||
1987 | -12.52 | -10.46 | 9.14 | c | 28.23 | 34.06 | 45.64 | b | 50.24 | b | 44.76 | b | 39.69 | d | 28.46 | e | 16.74 | c | 8.18 | c | 23.51 | |||||
1988 | -3.77 | a | -9.75 | a | 2.07 | a | 27.17 | 35.87 | 43.00 | c | 52.77 | 51.00 | 38.74 | c | 28.90 | b | 22.39 | b | -2.90 | a | 23.79 | |||||
1989 | -8.10 | -13.00 | a | -5.68 | c | 23.86 | b | 40.63 | a | 45.30 | 46.48 | 49.00 | 40.40 | 28.90 | a | 17.45 | a | -13.86 | b | 20.95 | ||||||
1990 | -0.94 | -10.61 | 4.63 | a | 26.66 | a | 34.03 | 48.30 | 50.07 | b | 50.65 | 39.69 | a | 33.77 | 22.43 | b | 5.70 | a | 25.37 | |||||||
1991 | -14.57 | a | -4.57 | 10.43 | a | 24.52 | a | 34.83 | a | 43.03 | a | 49.30 | a | 51.79 | g | 35.83 | 31.19 | 21.82 | b | -2.14 | b | 20.88 | a | |||
1992 | -5.29 | -7.37 | b | 0.23 | 22.70 | 33.81 | 45.07 | 45.23 | a | 50.17 | a | 42.00 | c | 28.48 | 19.27 | 8.90 | 23.60 | |||||||||
1993 | -8.39 | -21.36 | -0.23 | 24.53 | 35.81 | 43.60 | 49.23 | 47.77 | 39.89 | b | 25.87 | 18.40 | 7.90 | 21.92 | ||||||||||||
1994 | -20.32 | -13.00 | 7.74 | 23.07 | a | 33.03 | 47.17 | a | 46.94 | 42.87 | a | 37.30 | 29.73 | a | 21.13 | 5.87 | 21.79 | |||||||||
1995 | 1.00 | -13.11 | 7.57 | a | 18.73 | 34.73 | a | 41.48 | a | 50.90 | a | 45.77 | a | 33.67 | 33.19 | 16.20 | -2.03 | 22.34 | ||||||||
1996 | -9.97 | b | -2.66 | 6.87 | 23.47 | 29.90 | 40.23 | 49.38 | b | 46.73 | a | 40.40 | 29.13 | 17.90 | a | 17.03 | 24.04 | |||||||||
1997 | -7.19 | -9.89 | -1.10 | 20.87 | 32.84 | 41.10 | 47.96 | c | 44.00 | 37.83 | 25.39 | 13.27 | -4.57 | a | 20.04 | |||||||||||
1998 | -8.84 | -4.75 | 8.65 | 23.57 | 38.33 | a | 46.43 | 48.87 | 43.80 | a | 39.17 | 27.71 | 18.03 | a | 1.65 | 23.55 | ||||||||||
1999 | -9.68 | -6.04 | 16.39 | 20.53 | 37.29 | 48.33 | c | 51.58 | e | 47.13 | a | 46.17 | a | 27.19 | 23.17 | a | 12.13 | a | 26.18 | |||||||
2000 | -7.00 | -9.14 | 15.16 | 25.00 | b | 34.74 | 42.38 | a | 49.80 | a | 48.27 | a | 33.89 | l | 28.77 | a | 26.73 | 1.04 | e | 23.25 | a | |||||
2001 | -8.20 | a | -7.43 | 3.10 | b | 20.93 | b | 37.57 | a | 45.93 | 50.30 | a | 47.97 | 40.22 | c | 31.68 | 25.70 | 15.97 | a | 25.31 | ||||||
2002 | 0.29 | -4.14 | 5.83 | a | 25.57 | 30.97 | 40.70 | 51.28 | b | 47.84 | 41.57 | 26.60 | a | 16.14 | a | 2.84 | 23.79 | |||||||||
2003 | -13.35 | -13.15 | b | -0.10 | a | 16.33 | 33.06 | 43.90 | 51.55 | 50.48 | 41.33 | 29.74 | 21.87 | 5.90 | 22.30 | |||||||||||
2004 | -13.03 | -7.10 | 5.74 | 24.73 | 35.48 | 40.62 | a | 51.29 | 48.94 | 37.73 | 29.39 | 18.87 | -1.00 | 22.64 | ||||||||||||
2005 | -12.45 | -3.82 | 1.65 | 25.97 | 36.42 | 48.50 | 50.23 | 48.90 | a | 41.13 | 35.63 | a | 23.33 | 6.48 | 25.16 | |||||||||||
2006 | 0.74 | -3.85 | a | 8.42 | 26.03 | 38.32 | 49.76 | a | 54.61 | 44.65 | 39.50 | 31.74 | 26.59 | a | 11.61 | 27.34 | ||||||||||
2007 | -1.87 | -10.29 | 3.42 | 20.93 | 33.68 | 44.33 | 50.29 | 44.65 | 38.45 | a | 32.84 | 18.40 | 0.03 | 22.91 | ||||||||||||
2008 | -3.71 | -7.34 | -4.77 | 24.90 | 33.23 | 47.27 | 53.06 | 50.10 | a | 40.17 | 29.00 | 24.87 | -0.71 | 23.84 | ||||||||||||
2009 | -18.68 | -3.29 | 1.16 | 25.63 | 33.29 | 46.37 | 52.71 | 51.48 | 36.66 | a | 29.03 | 24.20 | 10.72 | b | 24.11 | |||||||||||
2010 | 3.90 | 12.43 | 13.39 | c | 27.97 | 36.58 | 45.63 | 55.61 | 47.90 | 44.43 | 31.26 | 21.97 | a | 11.39 | 29.37 | |||||||||||
2011 | 0.52 | -7.71 | 5.19 | 20.57 | 37.71 | 46.30 | 51.35 | 51.58 | 42.70 | 34.68 | 23.24 | a | 14.12 | f | 27.83 | a | ||||||||||
2012 | -5.38 | b | -5.97 | 14.10 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.92 | i | ||
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 | ----- | z | ----- | z | ----- | z | ----- | z |
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | -7.18 | -7.59 | 5.35 | 23.70 | 35.10 | 44.60 | 50.33 | 47.76 | 39.60 | 29.95 | 20.53 | 4.16 | 23.81 | |||||||||||||
S.D. | 6.24 | 5.84 | 5.79 | 2.93 | 2.42 | 2.90 | 2.40 | 2.57 | 2.77 | 2.61 | 3.78 | 7.19 | 2.10 | |||||||||||||
SKEW | -0.20 | 1.04 | 0.10 | -0.62 | 0.08 | -0.17 | 0.03 | -0.28 | 0.13 | 0.40 | -0.15 | -0.27 | 0.73 | |||||||||||||
MAX | 3.90 | 12.43 | 16.39 | 28.23 | 40.63 | 49.76 | 55.61 | 51.58 | 46.17 | 35.63 | 26.73 | 17.03 | 29.37 | |||||||||||||
MIN | -20.32 | -21.36 | -5.68 | 16.33 | 29.90 | 39.17 | 45.23 | 42.87 | 33.67 | 25.39 | 13.27 | -13.86 | 20.04 | |||||||||||||
YRS | 26 | 26 | 26 | 25 | 26 | 26 | 26 | 25 | 25 | 26 | 26 | 25 | 22 |