PETROGLYPH NATL MON,

Monthly Extreme Minimum Temperature (Degrees Fahrenheit)

(296754)

File last updated on Apr 4, 2013
*** Note *** Provisional Data *** After Year/Month 201302
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
1994 ----- z ----- z ----- z 31.00 m 44.00 m 53.00 j 59.00 58.00 44.00 30.00 14.00 15.00 14.00
1995 16.00 22.00 24.00 29.00 35.00 44.00 49.00 a 56.00 39.00 29.00 21.00 11.00 11.00
1996 11.00 14.00 19.00 24.00 37.00 47.00 61.00 55.00 39.00 25.00 21.00 8.00 8.00
1997 3.00 20.00 25.00 27.00 40.00 48.00 56.00 52.00 49.00 24.00 16.00 10.00 3.00
1998 16.00 15.00 17.00 27.00 37.00 44.00 58.00 56.00 a 51.00 31.00 19.00 13.00 13.00
1999 17.00 b 16.00 22.00 a 26.00 c 35.00 a 46.00 c 58.00 a 54.00 40.00 e 26.00 16.00 a 11.00 c 11.00
2000 10.00 a 21.00 b 21.00 c 27.00 b 43.00 b 54.00 59.00 a 53.00 b 39.00 d 35.00 c 17.00 a 12.00 a 10.00
2001 13.00 d 14.00 b 24.00 b 31.00 a 36.00 b 40.00 b 60.00 a 56.00 g 44.00 b 32.00 c 15.00 d 12.00 c 12.00
2002 12.00 13.00 12.00 33.00 39.00 h 54.00 59.00 53.00 45.00 33.00 h 21.00 l 16.00 q 12.00
2003 21.00 l 17.00 i 22.00 h 28.00 j 38.00 p 50.00 n 63.00 h 56.00 i 48.00 h 31.00 m 17.00 r 10.00 e 10.00
2004 14.00 12.00 27.00 30.00 36.00 51.00 f 54.00 a 50.00 42.00 31.00 12.00 7.00 7.00
2005 20.00 26.00 18.00 26.00 37.00 49.00 55.00 59.00 49.00 38.00 18.00 7.00 7.00
2006 15.00 15.00 17.00 32.00 43.00 54.00 59.00 53.00 38.00 31.00 11.00 8.00 8.00
2007 7.00 13.00 16.00 29.00 37.00 43.00 f 55.00 e 60.00 e 45.00 32.00 f 19.00 10.00 7.00
2008 6.00 13.00 20.00 28.00 30.00 45.00 60.00 57.00 48.00 27.00 23.00 18.00 6.00
2009 17.00 17.00 22.00 26.00 46.00 49.00 59.00 g 54.00 42.00 n 22.00 17.00 8.00 8.00
2010 15.00 17.00 23.00 24.00 31.00 54.00 60.00 56.00 50.00 30.00 12.00 ----- z 12.00
2011 11.00 c 0.00 35.00 y 31.00 28.00 52.00 62.00 61.00 58.00 x 33.00 f 20.00 5.00 0.00
2012 16.00 20.00 17.00 z 0.00 43.00 ----- z 62.00 60.00 44.00 31.00 19.00 11.00 0.00
2013 3.00 17.00 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 3.00
Period of Record Statistics
MEAN 12.33 15.83 20.47 26.47 37.12 48.57 58.00 55.71 44.12 29.47 17.06 10.35 8.00
S.D. 4.92 5.45 4.00 7.32 4.99 4.54 3.32 3.14 4.35 4.17 3.45 3.18 3.27
SKEW -0.61 -0.95 -0.36 -2.94 -0.02 -0.18 -1.19 0.11 0.09 0.10 -0.22 0.62 0.09
MAX 20.00 26.00 27.00 33.00 46.00 54.00 62.00 61.00 51.00 38.00 23.00 18.00 13.00
MIN 3.00 0.00 12.00 0.00 28.00 40.00 49.00 50.00 38.00 22.00 11.00 5.00 3.00
NO YRS 18 18 15 17 16 14 17 17 16 15 17 17 7