TUCSON U OF A #1, st

Monthly Extreme Minimum Temperature (Degrees Fahrenheit)

(028817)

File last updated on Apr 3, 2013
*** Note *** Provisional Data *** After Year/Month 201209
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
1982 ----- z ----- z ----- z ----- z 41.00 55.00 62.00 63.00 55.00 38.00 33.00 26.00 26.00
1983 25.00 31.00 32.00 32.00 45.00 55.00 63.00 63.00 62.00 50.00 27.00 28.00 25.00
1984 27.00 27.00 30.00 38.00 45.00 61.00 c 65.00 b 66.00 60.00 44.00 26.00 27.00 a 26.00
1985 29.00 21.00 30.00 39.00 47.00 53.00 66.00 61.00 52.00 47.00 27.00 26.00 21.00
1986 32.00 28.00 37.00 40.00 45.00 61.00 67.00 68.00 51.00 44.00 34.00 28.00 28.00
1987 22.00 31.00 40.00 39.00 50.00 62.00 63.00 64.00 53.00 53.00 29.00 24.00 22.00
1988 26.00 33.00 30.00 37.00 39.00 47.00 69.00 70.00 53.00 54.00 31.00 19.00 19.00
1989 23.00 29.00 30.00 40.00 48.00 55.00 67.00 64.00 55.00 37.00 29.00 21.00 21.00
1990 27.00 21.00 28.00 45.00 48.00 55.00 67.00 65.00 56.00 41.00 29.00 22.00 21.00
1991 24.00 33.00 31.00 38.00 41.00 50.00 68.00 66.00 60.00 35.00 34.00 27.00 24.00
1992 28.00 38.00 37.00 43.00 49.00 56.00 59.00 63.00 63.00 44.00 25.00 29.00 25.00
1993 36.00 36.00 37.00 40.00 48.00 51.00 64.00 67.00 53.00 44.00 27.00 25.00 25.00
1994 25.00 24.00 38.00 40.00 47.00 60.00 65.00 67.00 60.00 40.00 27.00 30.00 24.00
1995 29.00 38.00 32.00 37.00 45.00 53.00 62.00 66.00 58.00 43.00 32.00 27.00 27.00
1996 25.00 33.00 33.00 40.00 52.00 56.00 67.00 65.00 55.00 37.00 32.00 22.00 22.00
1997 27.00 25.00 33.00 38.00 54.00 56.00 64.00 68.00 62.00 35.00 35.00 24.00 24.00
1998 27.00 32.00 30.00 35.00 45.00 ----- z 69.00 68.00 57.00 39.00 35.00 23.00 23.00
1999 27.00 22.00 34.00 33.00 46.00 50.00 63.00 65.00 58.00 44.00 29.00 23.00 22.00
2000 23.00 30.00 37.00 38.00 51.00 60.00 69.00 63.00 60.00 47.00 27.00 26.00 23.00
2001 26.00 28.00 35.00 35.00 51.00 54.00 69.00 68.00 63.00 47.00 28.00 25.00 25.00
2002 23.00 24.00 26.00 43.00 47.00 58.00 69.00 64.00 56.00 45.00 38.00 28.00 23.00
2003 29.00 30.00 34.00 38.00 45.00 61.00 67.00 66.00 62.00 45.00 28.00 21.00 21.00
2004 28.00 27.00 35.00 41.00 49.00 58.00 59.00 65.00 52.00 42.00 23.00 24.00 23.00
2005 31.00 34.00 33.00 42.00 47.00 ----- z 70.00 66.00 57.00 46.00 ----- z 27.00 27.00
2006 26.00 31.00 30.00 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 25.00 25.00
2007 19.00 30.00 30.00 44.00 48.00 58.00 69.00 69.00 55.00 43.00 35.00 a 24.00 19.00
2008 26.00 29.00 ----- z 39.00 44.00 57.00 69.00 68.00 61.00 37.00 35.00 24.00 24.00
2009 29.00 30.00 37.00 38.00 54.00 57.00 ----- z 65.00 60.00 35.00 ----- z ----- z 29.00
2010 31.00 x 40.00 z 35.00 40.00 39.00 59.00 69.00 70.00 61.00 50.00 23.00 25.00 23.00
2011 21.00 19.00 35.00 35.00 43.00 57.00 64.00 72.00 62.00 b 45.00 34.00 25.00 19.00
2012 27.00 31.00 a 31.00 b 38.00 d 49.00 61.00 66.00 69.00 72.00 u ----- z ----- z ----- z 27.00
Period of Record Statistics
MEAN 26.45 29.14 33.10 38.79 46.73 56.29 65.86 66.13 57.66 43.14 30.07 25.00 22.86
S.D. 3.43 4.88 3.37 3.04 3.84 3.82 3.09 2.53 3.73 5.17 4.05 2.58 2.46
SKEW 0.36 -0.25 0.05 -0.13 -0.16 -0.54 -0.64 0.23 -0.19 0.14 0.07 -0.24 0.16
MAX 36.00 38.00 40.00 45.00 54.00 62.00 70.00 72.00 63.00 54.00 38.00 30.00 28.00
MIN 19.00 19.00 26.00 32.00 39.00 47.00 59.00 61.00 51.00 35.00 23.00 19.00 19.00
NO YRS 29 29 29 29 30 28 29 30 29 29 27 29 22