FLAGSTAFF 4 SW, at

Monthly Extreme Minimum Temperature (Degrees Fahrenheit)

(023009)

File last updated on Apr 3, 2013
*** Note *** Provisional Data *** After Year/Month 201303
a = 1 day missing, b = 2 days missing, c = 3 days, ..etc..,
z = 26 or more days missing, A = Accumulations present
Long-term means based on columns; thus, the monthly row may not
sum (or average) to the long-term annual value.
MAXIMUM ALLOWABLE NUMBER OF MISSING DAYS : 5
Individual Months not used for annual or monthly statistics if more than 5 days are missing.
Individual Years not used for annual statistics if any month in that year has more than 5 days missing.
YEAR(S) JAN FEB MAR APR MAY JUN JUL AUG SEP OCT NOV DEC ANN
1984 ----- z ----- z ----- z ----- z 13.00 22.00 a 36.00 38.00 27.00 8.00 -15.00 -15.00 a -15.00
1985 -27.00 -37.00 -13.00 12.00 16.00 22.00 33.00 31.00 19.00 23.00 -19.00 -5.00 -37.00
1986 11.00 -21.00 3.00 12.00 15.00 27.00 30.00 40.00 24.00 14.00 8.00 -2.00 -21.00
1987 -28.00 -19.00 -12.00 11.00 a 19.00 25.00 25.00 30.00 22.00 ----- z 4.00 -17.00 -28.00
1988 -15.00 -6.00 7.00 11.00 13.00 23.00 35.00 33.00 22.00 21.00 -4.00 -26.00 -26.00
1989 -24.00 -20.00 -3.00 13.00 19.00 19.00 28.00 29.00 20.00 8.00 1.00 -8.00 -24.00
1990 -23.00 -19.00 -13.00 19.00 20.00 23.00 35.00 30.00 25.00 14.00 -6.00 -36.00 -36.00
1991 -9.00 7.00 -1.00 13.00 13.00 23.00 32.00 29.00 25.00 4.00 0.00 -15.00 -15.00
1992 -16.00 -2.00 5.00 16.00 25.00 24.00 27.00 33.00 24.00 15.00 -1.00 -20.00 -20.00
1993 -14.00 -1.00 -2.00 10.00 13.00 22.00 33.00 36.00 22.00 11.00 1.00 -11.00 -14.00
1994 -8.00 -18.00 11.00 15.00 19.00 24.00 30.00 43.00 26.00 11.00 -5.00 5.00 -18.00
1995 -15.00 9.00 9.00 10.00 23.00 18.00 30.00 40.00 24.00 15.00 7.00 -1.00 -15.00
1996 -8.00 -8.00 -7.00 9.00 17.00 26.00 38.00 33.00 26.00 8.00 8.00 0.00 -8.00
1997 -10.00 -3.00 -18.00 12.00 15.00 25.00 25.00 39.00 27.00 12.00 12.00 a -15.00 -18.00
1998 -6.00 -13.00 -7.00 6.00 ----- z 24.00 33.00 37.00 26.00 11.00 3.00 -14.00 -14.00
1999 -1.00 a -3.00 10.00 a 3.00 a 20.00 24.00 40.00 30.00 b 23.00 9.00 b -8.00 a -5.00 -8.00
2000 -15.00 6.00 2.00 a 11.00 c 8.00 21.00 b 32.00 37.00 23.00 a 17.00 -9.00 2.00 -15.00
2001 -14.00 c -9.00 4.00 17.00 a 18.00 17.00 35.00 35.00 25.00 19.00 2.00 -15.00 -15.00
2002 -13.00 -5.00 -9.00 9.00 15.00 29.00 38.00 27.00 27.00 20.00 11.00 -13.00 -13.00
2003 10.00 1.00 -3.00 8.00 13.00 26.00 35.00 40.00 28.00 19.00 -1.00 -1.00 -3.00
2004 -6.00 1.00 7.00 17.00 20.00 23.00 26.00 35.00 23.00 9.00 -4.00 0.00 -6.00
2005 -13.00 a 2.00 2.00 15.00 19.00 26.00 31.00 37.00 24.00 19.00 5.00 -2.00 -13.00
2006 -7.00 b 1.00 -5.00 16.00 21.00 29.00 43.00 36.00 25.00 16.00 0.00 -1.00 e -7.00
2007 -21.00 -12.00 1.00 7.00 17.00 23.00 f 34.00 f 42.00 24.00 14.00 5.00 -13.00 -21.00
2008 -18.00 a -15.00 4.00 12.00 11.00 24.00 43.00 41.00 30.00 4.00 5.00 -11.00 -18.00
2009 3.00 -13.00 8.00 10.00 ----- z 27.00 40.00 26.00 28.00 9.00 7.00 -15.00 -15.00
2010 -4.00 -6.00 0.00 14.00 16.00 27.00 33.00 39.00 27.00 17.00 -10.00 -4.00 -10.00
2011 -26.00 -12.00 3.00 -4.00 a 14.00 22.00 31.00 a 39.00 32.00 c 20.00 a 3.00 -12.00 -26.00
2012 6.00 -4.00 -3.00 c 12.00 16.00 28.00 42.00 46.00 29.00 f 0.00 10.00 -12.00 -12.00
2013 -21.00 -14.00 2.00 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z -21.00
Period of Record Statistics
MEAN -11.45 -8.03 -0.62 11.29 16.59 23.93 33.54 35.55 24.93 13.11 0.34 -9.72 -17.37
S.D. 10.48 10.15 7.52 4.67 3.81 3.02 5.17 5.10 2.83 5.74 7.63 9.02 8.87
SKEW 0.45 -0.61 -0.52 -1.21 0.03 -0.38 0.21 -0.09 0.25 -0.30 -0.69 -0.74 -0.75
MAX 11.00 9.00 11.00 19.00 25.00 29.00 43.00 46.00 32.00 23.00 12.00 5.00 -3.00
MIN -28.00 -37.00 -18.00 -4.00 8.00 17.00 25.00 26.00 19.00 0.00 -19.00 -36.00 -37.00
NO YRS 29 29 29 28 27 28 28 29 28 28 29 29 19