GRAND CANYON NP 2, s

Monthly Extreme Minimum Temperature (Degrees Fahrenheit)

(023596)

File last updated on Apr 3, 2013
*** Note *** Provisional Data *** After Year/Month 201203
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
1976 ----- z ----- z ----- z ----- z 29.00 25.00 42.00 37.00 34.00 18.00 -2.00 8.00 -2.00
1977 -3.00 6.00 8.00 12.00 18.00 35.00 43.00 40.00 31.00 25.00 a 17.00 4.00 -3.00
1978 2.00 -1.00 18.00 20.00 20.00 a 35.00 36.00 37.00 24.00 26.00 9.00 -17.00 -17.00
1979 -17.00 -5.00 a 7.00 16.00 21.00 28.00 39.00 a 38.00 ----- z 16.00 5.00 5.00 -17.00
1980 11.00 11.00 10.00 20.00 17.00 27.00 a 40.00 37.00 34.00 19.00 9.00 c 7.00 7.00
1981 8.00 7.00 15.00 17.00 24.00 34.00 a 47.00 44.00 34.00 20.00 9.00 a 4.00 4.00
1982 -2.00 -12.00 5.00 18.00 24.00 27.00 37.00 44.00 32.00 20.00 8.00 6.00 -12.00
1983 5.00 6.00 11.00 14.00 20.00 27.00 40.00 39.00 38.00 25.00 5.00 9.00 5.00
1984 -5.00 ----- z 12.00 8.00 25.00 31.00 47.00 46.00 34.00 14.00 -1.00 5.00 -5.00
1985 -10.00 -20.00 0.00 24.00 25.00 30.00 41.00 40.00 24.00 25.00 -6.00 5.00 -20.00
1986 15.00 0.00 15.00 18.00 22.00 34.00 37.00 46.00 30.00 19.00 17.00 5.00 0.00
1987 -3.00 -2.00 -1.00 19.00 26.00 36.00 37.00 37.00 31.00 29.00 14.00 -8.00 -8.00
1988 -6.00 10.00 10.00 20.00 17.00 29.00 44.00 40.00 28.00 30.00 4.00 -7.00 -7.00
1989 -9.00 -6.00 1.00 ----- z 25.00 33.00 39.00 38.00 27.00 9.00 a ----- z 3.00 -9.00
1990 -3.00 -10.00 6.00 25.00 27.00 30.00 42.00 39.00 40.00 22.00 2.00 -20.00 -20.00
1991 3.00 14.00 9.00 13.00 20.00 27.00 45.00 42.00 35.00 8.00 9.00 0.00 0.00
1992 1.00 a 14.00 15.00 24.00 31.00 27.00 36.00 40.00 36.00 25.00 6.00 1.00 1.00
1993 -1.00 13.00 13.00 18.00 21.00 26.00 39.00 36.00 28.00 18.00 5.00 0.00 -1.00
1994 0.00 -3.00 17.00 22.00 24.00 i 36.00 42.00 47.00 28.00 13.00 0.00 11.00 -3.00
1995 1.00 18.00 11.00 16.00 22.00 26.00 40.00 45.00 33.00 23.00 14.00 8.00 1.00
1996 1.00 -5.00 11.00 19.00 26.00 35.00 40.00 43.00 32.00 12.00 15.00 ----- z -5.00
1997 -4.00 9.00 ----- z ----- z ----- z 33.00 35.00 45.00 39.00 ----- z ----- z ----- z -4.00
1998 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 20.00 7.00 -6.00 -6.00
1999 4.00 1.00 15.00 8.00 a 25.00 29.00 47.00 40.00 33.00 22.00 9.00 8.00 1.00
2000 1.00 14.00 14.00 20.00 28.00 38.00 37.00 41.00 28.00 23.00 7.00 10.00 1.00
2001 0.00 2.00 16.00 18.00 22.00 29.00 40.00 43.00 39.00 26.00 8.00 -1.00 -1.00
2002 -3.00 4.00 4.00 20.00 24.00 38.00 45.00 39.00 30.00 26.00 19.00 4.00 -3.00
2003 11.00 7.00 9.00 13.00 25.00 34.00 45.00 47.00 37.00 29.00 6.00 8.00 6.00
2004 1.00 2.00 11.00 24.00 28.00 32.00 37.00 40.00 28.00 18.00 1.00 7.00 1.00
2005 4.00 19.00 17.00 22.00 26.00 36.00 39.00 44.00 31.00 25.00 12.00 6.00 4.00
2006 6.00 5.00 10.00 e 22.00 28.00 37.00 37.00 35.00 29.00 22.00 2.00 7.00 2.00
2007 -7.00 2.00 11.00 18.00 24.00 28.00 44.00 44.00 31.00 20.00 9.00 2.00 -7.00
2008 -6.00 -3.00 17.00 17.00 18.00 27.00 39.00 45.00 37.00 18.00 16.00 b -4.00 -6.00
2009 4.00 4.00 11.00 13.00 36.00 ----- z 48.00 25.00 39.00 18.00 u 13.00 e -1.00 -1.00
2010 5.00 4.00 b 14.00 a 18.00 22.00 35.00 a 44.00 b 40.00 f 38.00 d 24.00 5.00 e -7.00 b -7.00
2011 -12.00 0.00 b 12.00 21.00 p 24.00 z ----- z ----- z ----- z 41.00 f 23.00 c 11.00 -2.00 -12.00
2012 12.00 6.00 b 12.00 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 6.00
Period of Record Statistics
MEAN 0.11 3.26 10.76 17.94 23.94 31.33 40.88 40.70 32.48 20.94 7.76 1.76 -2.88
S.D. 6.95 8.58 4.86 4.34 4.19 4.03 3.67 4.43 4.41 5.42 5.89 7.27 7.62
SKEW -0.09 -0.41 -0.77 -0.56 0.51 0.09 0.33 -1.17 -0.03 -0.60 -0.13 -1.32 -1.02
MAX 15.00 19.00 18.00 25.00 36.00 38.00 48.00 47.00 40.00 30.00 19.00 11.00 7.00
MIN -17.00 -20.00 -1.00 8.00 17.00 25.00 35.00 25.00 24.00 8.00 -6.00 -20.00 -20.00
NO YRS 35 34 34 31 32 33 34 33 33 34 34 34 25