CONCORD WASTEWATER PLAN, CALIFORNIA

Monthly Extreme Minimum Temperature (Degrees Fahrenheit)

(041967)

File last updated on Apr 4, 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
1991 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 53.00 40.00 37.00 33.00 33.00
1992 31.00 39.00 43.00 44.00 52.00 53.00 55.00 55.00 52.00 51.00 37.00 31.00 31.00
1993 28.00 36.00 44.00 42.00 46.00 51.00 55.00 55.00 50.00 49.00 33.00 31.00 28.00
1994 34.00 33.00 38.00 44.00 50.00 51.00 52.00 56.00 53.00 44.00 32.00 31.00 31.00
1995 36.00 35.00 37.00 39.00 47.00 51.00 55.00 54.00 54.00 45.00 42.00 37.00 35.00
1996 37.00 34.00 37.00 42.00 48.00 52.00 56.00 55.00 51.00 42.00 40.00 35.00 34.00
1997 29.00 39.00 37.00 40.00 47.00 54.00 55.00 56.00 55.00 44.00 42.00 29.00 29.00
1998 34.00 37.00 37.00 40.00 44.00 51.00 ----- z 55.00 53.00 43.00 40.00 24.00 24.00
1999 32.00 35.00 38.00 38.00 41.00 a 49.00 a 51.00 56.00 52.00 a 46.00 38.00 33.00 32.00
2000 34.00 38.00 a 41.00 45.00 ----- z 51.00 54.00 56.00 52.00 44.00 a 31.00 32.00 31.00
2001 32.00 34.00 38.00 39.00 51.00 51.00 55.00 55.00 53.00 47.00 35.00 34.00 a 32.00
2002 30.00 33.00 34.00 41.00 46.00 51.00 54.00 52.00 52.00 42.00 38.00 35.00 30.00
2003 39.00 32.00 40.00 39.00 44.00 53.00 53.00 54.00 52.00 47.00 34.00 32.00 32.00
2004 31.00 35.00 41.00 44.00 51.00 54.00 53.00 58.00 51.00 45.00 31.00 31.00 31.00
2005 34.00 35.00 41.00 41.00 48.00 50.00 56.00 52.00 50.00 46.00 34.00 33.00 33.00
2006 37.00 34.00 35.00 41.00 50.00 53.00 54.00 54.00 50.00 45.00 34.00 29.00 29.00
2007 26.00 35.00 36.00 44.00 46.00 52.00 55.00 55.00 47.00 45.00 36.00 31.00 26.00
2008 33.00 34.00 40.00 39.00 45.00 51.00 52.00 52.00 50.00 c 47.00 41.00 32.00 32.00
2009 30.00 35.00 36.00 40.00 50.00 53.00 b 53.00 51.00 a 48.00 43.00 37.00 28.00 28.00
2010 37.00 41.00 37.00 41.00 42.00 47.00 53.00 52.00 54.00 43.00 32.00 32.00 32.00
2011 29.00 30.00 38.00 40.00 45.00 48.00 b 54.00 54.00 a 54.00 44.00 a 38.00 28.00 a 28.00
2012 31.00 34.00 a 36.00 39.00 47.00 51.00 b 55.00 a 55.00 51.00 43.00 35.00 28.00 28.00
2013 26.00 30.00 37.00 53.00 z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 30.00 z 26.00
Period of Record Statistics
MEAN 32.27 34.91 38.23 41.05 47.00 51.29 54.00 54.38 51.68 44.77 36.23 31.32 30.58
S.D. 3.60 2.71 2.56 2.09 3.04 1.79 1.38 1.75 1.99 2.47 3.44 2.88 2.36
SKEW 0.02 0.30 0.64 0.51 -0.15 -0.60 -0.49 -0.26 -0.55 0.58 0.13 -0.42 -0.07
MAX 39.00 41.00 44.00 45.00 52.00 54.00 56.00 58.00 55.00 51.00 42.00 37.00 35.00
MIN 26.00 30.00 34.00 38.00 41.00 47.00 51.00 51.00 47.00 40.00 31.00 24.00 26.00
NO YRS 22 22 22 21 20 21 20 21 22 22 22 22 19