WHITEHORSE RANCH, OREGON

Monthly Average Minimum Temperature (Degrees Fahrenheit)

(359290)

File last updated on Apr 4, 2013
*** Note *** Provisional Data *** After Year/Month 200603
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
1965 ----- z ----- z ----- z 31.13 31.75 c 42.73 46.94 ----- z ----- z ----- z 25.46 b 14.42 32.07
1966 18.86 b 1.10 h 21.32 28.83 ----- z 43.90 i 48.21 b 47.71 43.57 29.45 k 29.70 21.58 32.47
1967 25.77 25.32 26.13 ----- z ----- z ----- z ----- z ----- z ----- z 30.86 q 27.53 18.77 24.71
1968 17.23 27.72 27.77 25.40 36.23 44.53 48.26 47.35 40.86 a ----- z ----- z 19.81 33.52
1969 23.73 e 13.60 w 26.39 m 30.27 38.39 45.43 47.84 47.81 44.23 27.71 ----- z ----- z 38.18
1970 23.45 23.25 24.10 24.57 36.48 47.53 50.71 50.13 36.20 28.48 29.93 18.26 32.76
1971 26.19 23.39 23.45 28.40 37.68 43.50 50.39 54.29 35.63 31.35 24.70 17.90 33.07
1972 18.71 24.21 29.71 27.73 37.65 44.27 48.26 48.58 40.10 33.23 a 27.80 14.42 32.89
1973 17.58 24.68 26.48 29.53 41.39 46.20 51.55 50.68 41.80 33.84 31.33 26.68 35.14
1974 18.32 23.75 27.65 30.34 a 36.03 45.90 50.13 47.84 40.03 31.00 a 26.43 21.10 33.21
1975 18.94 24.32 25.52 b 25.83 a 33.52 41.73 53.52 46.35 38.57 35.90 24.10 a 26.16 32.87
1976 22.45 24.10 21.23 27.30 37.65 42.67 51.48 46.77 42.90 32.45 24.23 14.81 32.34
1977 10.35 22.54 24.65 30.77 35.68 48.73 48.42 51.61 43.80 34.61 28.23 27.81 33.93
1978 26.00 26.93 32.58 31.57 36.23 43.63 51.23 48.74 41.67 32.65 23.63 15.23 34.17
1979 11.06 27.64 27.68 32.13 39.19 44.80 53.32 51.16 44.83 38.68 21.27 23.23 34.58
1980 20.13 28.97 24.97 a 31.97 41.13 41.14 b 51.21 c 47.28 b 45.13 33.94 26.39 b 20.26 34.38
1981 23.03 24.25 26.39 c 32.18 b 38.07 c 44.40 e 49.74 d 53.71 c 43.91 g 34.23 e 29.18 b 26.85 e 34.73
1982 13.29 19.89 27.06 26.47 34.65 45.70 51.16 53.32 41.20 34.68 21.43 19.58 32.37
1983 21.29 26.61 30.87 29.10 37.90 42.83 46.84 54.84 40.40 36.00 29.30 19.10 a 34.59
1984 8.94 21.90 26.89 m 29.63 39.55 40.87 53.87 52.45 42.13 ----- z ----- z ----- z 36.17
1985 12.39 15.75 21.77 35.07 39.23 ----- z 60.03 45.23 42.00 z 25.38 o 17.67 i 12.22 v 32.78
1986 ----- z ----- z 29.25 c 23.00 x 35.45 47.80 47.67 a ----- z 38.07 31.65 25.10 13.61 33.57
1987 16.19 21.61 28.19 j 37.83 l 37.69 r 45.83 48.35 ----- z ----- z ----- z 23.93 19.45 29.23
1988 18.10 18.19 h 22.39 32.83 36.19 47.70 51.48 47.72 b 40.70 37.00 i 27.83 15.52 34.05
1989 15.90 11.50 31.32 34.03 37.13 47.11 k 53.61 47.55 39.60 33.32 23.23 17.55 31.34
1990 23.06 18.04 25.94 36.73 36.23 44.43 51.42 52.10 45.73 31.00 21.60 7.65 32.83
1991 ----- z 20.82 26.74 31.30 35.65 42.57 50.23 52.55 42.45 a ----- z 28.03 16.16 34.65
1992 19.16 24.55 26.77 ----- z 41.00 ----- z 49.58 51.61 42.77 36.52 21.70 17.32 33.10
1993 12.45 17.54 31.06 32.60 41.87 41.93 42.65 44.74 38.62 a 34.42 16.43 p 18.74 32.42
1994 22.52 19.18 27.32 35.13 41.90 43.57 53.58 55.21 b 45.10 31.97 20.57 16.90 34.41
1995 25.39 28.07 27.52 32.80 j 38.81 ----- z 51.42 46.58 43.10 30.74 ----- z 20.29 34.66
1996 23.48 21.62 27.61 ----- z ----- z ----- z 52.50 k 50.26 38.35 d 33.97 27.57 26.62 b 31.18
1997 21.61 ----- z ----- z ----- z 43.06 n 45.67 ----- z 52.39 45.97 32.16 26.57 ----- z 37.39
1998 ----- z 25.71 ----- z 31.00 41.24 n ----- z ----- z ----- z 47.17 30.16 29.63 16.26 29.99
1999 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
2000 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
2001 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 36.89 d 24.77 24.23 28.63
2002 22.77 21.57 25.69 b 32.97 37.61 49.13 56.97 a 48.77 43.90 30.81 23.53 23.68 34.78
2003 27.71 20.71 32.39 31.37 40.58 48.53 59.03 54.26 45.60 38.93 b 22.52 c 25.00 37.22
2004 21.21 c 24.04 b 32.74 32.00 d 39.92 e 45.58 d 55.19 53.55 43.63 37.03 24.87 21.97 35.98
2005 20.55 20.89 28.77 33.13 41.39 42.93 59.03 53.48 42.57 36.10 30.13 g ----- z 37.88
2006 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
Period of Record Statistics
MEAN 19.64 22.85 27.03 30.69 37.88 44.74 51.27 50.20 42.01 33.48 25.69 19.61 33.97
S.D. 4.88 3.78 3.18 2.93 2.51 2.29 3.74 3.04 2.87 2.78 2.94 4.58 1.32
SKEW -0.52 -0.85 0.02 -0.23 -0.19 0.25 0.51 -0.01 -0.37 0.03 0.03 -0.10 0.77
MAX 27.71 28.97 32.74 36.73 41.90 49.13 60.03 55.21 47.17 38.93 31.33 27.81 37.22
MIN 8.94 11.50 21.23 24.57 31.75 40.87 42.65 44.74 35.63 27.71 20.57 7.65 32.34
NO YRS 34 32 32 31 32 30 34 33 33 30 32 34 18