DUNSMUIR TREATMENT PLAN, CALIFORNIA

Monthly Average Minimum Temperature (Degrees Fahrenheit)

(042574)

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
1978 ----- z ----- z ----- z ----- z ----- z ----- z 54.65 53.81 45.27 41.06 31.23 27.03 42.17
1979 27.71 31.07 35.45 37.20 45.68 49.90 53.55 51.61 48.63 43.48 32.97 30.58 40.65
1980 30.48 34.59 33.13 39.00 a 43.19 46.50 55.10 52.03 45.87 39.55 33.73 32.19 40.45
1981 32.97 31.93 33.58 39.79 a 46.40 a 53.50 b 54.90 51.81 48.77 37.97 a 36.33 32.94 41.74
1982 26.77 31.07 32.84 34.67 44.94 50.53 52.06 51.26 46.40 39.94 31.73 30.77 39.42
1983 31.42 34.71 35.03 36.17 43.97 49.73 50.45 51.39 49.20 41.74 35.87 31.97 40.97
1984 29.71 30.03 34.61 36.90 44.03 49.37 56.32 50.71 46.97 39.03 32.83 28.23 39.90
1985 29.74 29.21 30.90 40.00 42.42 54.00 54.23 49.32 45.37 38.84 28.27 30.26 39.38
1986 34.10 36.50 37.65 39.13 44.13 54.57 52.74 51.29 45.37 40.23 33.47 30.23 41.62
1987 28.06 31.14 32.45 37.80 46.32 50.63 51.77 51.61 46.67 41.87 35.10 32.58 40.50
1988 29.06 30.66 32.52 39.00 40.71 50.77 56.16 51.97 46.50 42.52 36.37 29.19 40.45
1989 27.32 25.96 34.26 40.57 44.29 51.87 50.55 49.65 45.47 38.74 33.13 29.39 39.27
1990 29.90 25.89 33.32 42.37 43.45 47.17 54.48 53.03 46.87 38.48 30.57 21.81 38.95
1991 27.23 31.93 31.52 36.07 42.10 48.27 56.61 50.23 48.03 42.23 35.77 29.58 39.96
1992 28.65 33.66 35.55 41.57 48.81 52.80 53.13 51.97 46.90 41.74 33.63 29.42 41.48
1993 26.87 29.39 37.48 36.03 44.74 49.03 53.87 50.94 44.70 42.00 30.20 30.06 39.61
1994 31.61 30.00 33.71 37.57 45.48 46.80 55.61 49.39 45.97 37.81 28.40 29.19 39.29
1995 35.06 32.64 34.39 35.90 43.90 47.47 52.23 49.65 46.27 39.29 35.73 34.81 40.61
1996 31.48 33.72 33.10 37.70 42.84 49.67 55.32 51.16 43.80 38.00 34.93 33.65 40.45
1997 30.45 30.50 33.84 38.60 45.48 50.37 53.55 50.90 46.13 39.23 38.20 30.39 40.64
1998 36.06 32.43 33.29 35.20 40.97 46.83 54.29 51.32 48.50 37.35 33.73 27.26 39.77
1999 30.61 29.29 31.48 35.37 41.87 49.50 49.06 50.68 45.93 37.39 37.17 29.87 39.02
2000 31.68 34.24 33.03 38.77 43.45 50.77 50.97 52.19 46.00 39.58 31.37 30.16 40.18
2001 28.03 29.00 34.81 34.80 46.06 50.40 53.55 51.10 47.53 41.32 36.30 31.32 40.35
2002 27.68 30.00 30.87 39.13 42.58 49.50 53.94 51.35 44.77 37.84 31.47 33.13 39.35
2003 35.19 30.39 35.00 34.87 42.45 53.70 54.90 50.90 46.97 40.81 33.13 32.29 40.88
2004 28.16 31.76 36.35 38.27 43.16 50.07 53.74 51.29 45.17 39.32 33.87 31.03 40.18
2005 30.32 32.29 33.84 36.30 45.84 47.37 55.74 52.10 43.27 38.61 34.20 33.00 40.24
2006 31.90 30.00 31.10 38.23 45.29 53.67 56.00 51.74 44.80 37.68 35.40 29.52 40.44
2007 26.23 31.11 34.65 35.93 43.55 50.23 54.19 50.19 44.47 37.26 33.37 27.68 39.07
2008 27.16 27.69 29.52 31.80 44.87 48.47 52.90 54.87 45.90 39.97 36.30 26.39 38.82
2009 28.58 29.89 32.48 35.57 46.45 51.67 53.42 49.45 46.73 39.10 31.27 26.94 39.30
2010 31.71 30.50 30.16 33.00 39.32 50.57 53.74 49.48 43.90 41.23 31.63 32.81 39.00
2011 28.90 27.46 32.13 33.90 39.10 47.23 52.94 50.84 47.17 40.48 31.23 27.81 38.27
2012 26.97 28.28 32.06 36.93 44.00 49.00 51.97 51.65 45.93 40.16 35.20 29.42 39.30
2013 25.55 28.79 32.55 k ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 27.00 z 27.17
Period of Record Statistics
MEAN 29.81 30.79 33.41 37.18 43.88 50.06 53.68 51.22 46.18 39.77 33.55 30.08 39.99
S.D. 2.68 2.40 1.92 2.38 2.08 2.22 1.78 1.20 1.42 1.68 2.42 2.53 0.85
SKEW 0.62 0.15 0.19 0.02 -0.27 0.31 -0.54 0.73 0.20 0.30 -0.28 -0.81 0.21
MAX 36.06 36.50 37.65 42.37 48.81 54.57 56.61 54.87 49.20 43.48 38.20 34.81 41.74
MIN 25.55 25.89 29.52 31.80 39.10 46.50 49.06 49.32 43.27 37.26 28.27 21.81 38.27
NO YRS 35 35 34 34 34 34 35 35 35 35 35 35 34