SILVER LAKE RANGER STN, OREGON

Monthly Average Minimum Temperature (Degrees Fahrenheit)

(357817)

File last updated on Apr 4, 2013
*** Note *** Provisional Data *** After Year/Month 201304
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
1968 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 21.65 21.65
1969 21.35 22.93 24.10 27.87 35.32 44.50 d 42.43 a 39.23 38.31 a 27.93 c 21.17 20.77 30.49
1970 24.48 24.93 24.45 22.63 30.77 42.77 44.32 41.32 31.63 27.10 28.83 17.97 30.10
1971 21.84 23.61 21.61 28.27 36.29 39.03 44.97 49.90 35.90 30.10 a 31.28 e 20.33 a 31.93
1972 24.36 f 24.18 a 28.84 25.50 32.13 40.48 a 44.13 42.63 a 32.86 a 27.43 a 28.50 12.32 30.82
1973 19.58 25.43 23.10 25.23 35.77 40.53 44.61 43.48 38.50 31.90 30.20 28.13 32.21
1974 17.45 24.43 26.26 27.80 34.39 44.20 46.23 47.23 36.30 27.68 27.93 23.06 31.91
1975 22.55 25.11 25.19 24.33 32.87 38.30 48.84 42.19 36.70 37.10 24.57 26.58 32.03
1976 25.74 h 16.55 i 23.32 26.33 32.45 37.17 45.45 44.29 40.70 29.65 25.27 15.42 32.00
1977 15.48 22.50 22.35 28.87 34.16 44.87 44.58 49.55 40.27 32.16 28.27 27.35 32.53
1978 30.23 26.61 29.74 29.37 32.58 41.77 46.42 45.32 36.97 29.00 a 19.23 ----- z 33.38
1979 7.53 l 27.00 f 29.82 i 31.31 n 33.89 m ----- z 44.87 46.16 40.45 a 36.74 22.75 n 31.00 r 42.06
1980 17.74 29.03 24.74 28.83 31.83 a 35.69 a 45.32 37.61 36.86 a 28.65 25.93 23.40 a 30.47
1981 24.63 a 22.93 a 21.73 a 27.52 c 33.65 38.63 39.32 42.35 35.76 a 29.55 25.53 25.68 30.61
1982 15.80 a 21.86 23.87 23.93 29.55 41.87 42.74 43.29 36.00 28.65 22.20 18.16 28.99
1983 25.81 28.32 30.29 25.73 35.00 37.50 40.77 46.10 32.97 31.55 29.67 20.29 32.00
1984 17.97 23.17 28.03 26.90 32.81 35.00 43.29 43.16 35.83 30.32 26.93 11.61 29.59
1985 12.39 16.50 18.95 k 29.20 33.29 38.90 ----- z 38.83 b 35.36 s 27.83 a 15.92 f 11.35 26.04
1986 25.87 28.63 a 25.90 24.20 31.39 43.73 38.32 45.16 34.13 27.32 28.60 20.84 31.18
1987 15.68 20.86 23.29 28.13 36.45 42.13 41.55 39.74 ----- z 26.97 25.30 22.32 29.31
1988 15.58 21.31 20.42 32.60 32.48 40.63 43.77 39.03 33.20 31.03 28.13 17.00 29.60
1989 20.32 9.96 29.45 31.03 31.19 39.77 41.00 39.71 33.90 27.26 24.07 14.42 28.51
1990 21.68 17.32 24.48 31.13 30.52 38.77 45.48 45.39 37.10 29.76 b 24.43 8.94 29.58
1991 16.26 22.30 a 22.81 26.30 32.26 35.07 44.94 55.87 37.13 28.61 30.50 27.50 m 32.00
1992 20.80 a 29.52 26.77 32.40 35.77 42.53 44.06 44.32 36.57 31.32 25.00 16.45 32.13
1993 8.06 m 7.93 30.05 j 28.50 r 36.67 j 36.82 m 35.93 a 38.87 34.37 30.61 13.70 21.31 o 26.90
1994 23.29 19.32 21.48 33.24 a 36.23 37.17 46.16 41.52 39.03 28.00 17.03 17.40 a 29.99
1995 24.84 25.11 24.00 26.97 36.32 39.87 45.97 39.65 37.93 25.55 27.33 27.33 m 32.14
1996 22.68 22.62 24.13 28.43 31.84 34.93 45.55 44.68 34.17 27.39 26.73 25.52 30.72
1997 21.23 23.61 27.23 26.60 38.00 39.87 45.13 46.55 38.33 30.43 a 28.27 16.10 31.78
1998 28.06 26.86 26.52 29.03 32.22 m 38.07 46.68 43.39 39.90 23.32 29.57 17.55 31.72
1999 23.03 23.64 26.58 28.50 34.42 37.70 39.68 46.39 33.63 29.48 32.93 18.87 a 31.24
2000 23.52 27.45 23.58 29.30 37.06 41.37 45.94 44.00 32.93 a 28.80 a 21.07 18.07 b 31.09
2001 19.13 19.85 a 25.93 a 24.13 35.65 37.37 43.74 46.10 38.70 28.16 23.47 22.52 30.40
2002 20.19 20.54 21.32 28.43 34.06 42.97 48.84 40.19 33.63 21.26 19.70 23.26 29.53
2003 27.35 20.54 28.94 28.33 ----- z 39.87 48.00 44.32 37.90 29.94 23.77 25.61 32.23
2004 24.06 24.97 28.45 28.47 35.06 39.10 45.61 45.84 35.70 30.87 a 21.93 23.74 31.98
2005 22.42 ----- z 27.10 30.50 38.74 37.50 47.32 45.13 33.30 30.94 24.76 a 18.77 32.41
2006 26.06 19.96 25.84 31.37 37.10 45.13 50.77 41.29 38.10 26.28 b 28.43 21.29 32.64
2007 13.94 24.25 27.65 28.07 35.81 41.63 52.13 46.65 37.40 31.00 22.90 20.97 31.86
2008 17.23 22.14 22.94 23.37 34.48 37.03 45.16 44.74 33.93 27.87 27.63 12.45 29.08
2009 18.45 22.46 22.58 26.27 35.65 41.53 46.58 45.06 37.97 27.48 22.60 12.26 h 31.51
2010 30.06 25.39 22.94 26.30 30.97 38.87 44.68 42.71 37.53 32.00 23.80 23.68 31.58
2011 17.87 19.32 28.03 24.97 29.71 37.13 41.65 42.65 39.35 j 25.25 k 17.82 s 9.83 s 30.17
2012 19.00 e 21.31 25.71 31.83 28.87 28.52 c 35.34 b 36.81 33.00 29.39 25.03 22.06 28.07
2013 11.35 23.14 22.00 26.00 z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 18.83
Period of Record Statistics
MEAN 20.91 22.66 25.09 27.81 33.82 39.51 44.38 43.60 36.23 29.17 25.42 19.79 30.79
S.D. 4.56 4.30 2.61 2.61 2.45 3.24 3.39 3.58 2.41 2.80 3.95 4.76 1.27
SKEW 0.03 -1.38 0.23 0.11 -0.10 -0.68 -0.56 0.68 -0.01 0.25 -0.69 -0.36 -0.40
MAX 30.23 29.52 30.29 33.24 38.74 45.13 52.13 55.87 40.70 37.10 32.93 28.13 32.64
MIN 11.35 7.93 20.42 22.63 28.87 28.52 35.34 36.81 31.63 21.26 13.70 8.94 28.07
NO YRS 41 42 42 42 40 42 43 44 41 43 41 38 30