BEAVERTON 2 SSW, OREGON

Monthly Average Minimum Temperature (Degrees Fahrenheit)

(350595)

File last updated on Apr 4, 2013
*** Note *** Provisional Data *** After Year/Month 200703
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
1972 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 39.16 f 40.03 29.10 34.57
1973 31.45 35.75 36.93 c 37.27 43.26 48.00 52.84 47.94 49.93 42.71 ----- z 38.77 42.26
1974 30.10 35.11 36.03 40.55 a 42.63 a 49.10 a 52.32 51.90 50.27 38.61 37.77 36.81 41.77
1975 34.84 33.07 35.61 35.33 43.61 47.90 a 53.42 50.34 b 48.53 44.97 36.70 35.55 41.66
1976 34.23 32.66 33.97 37.90 43.55 46.40 52.10 53.13 50.77 40.35 36.50 32.10 41.14
1977 26.71 33.43 34.55 39.17 42.39 48.31 a 50.97 55.71 48.77 41.35 35.93 37.87 41.26
1978 37.10 39.00 37.71 40.60 43.19 51.93 53.68 53.90 49.48 a 40.55 29.97 28.32 42.12
1979 24.61 34.57 38.87 40.83 45.68 48.70 53.13 52.87 52.43 46.03 a 36.60 37.90 a 42.69
1980 28.81 35.86 a 36.73 a 41.57 44.03 a 48.77 51.77 49.06 47.57 40.52 39.53 34.83 a 41.59
1981 34.90 33.70 a 36.81 40.63 45.39 49.17 52.13 53.71 47.53 39.39 36.31 a 34.70 a 42.03
1982 31.32 34.14 34.58 35.97 42.32 51.40 51.94 52.45 47.00 39.84 32.73 31.97 40.47
1983 33.50 a 39.93 41.10 39.73 46.32 49.87 53.13 53.97 45.50 39.74 41.20 30.23 42.85
1984 35.35 35.59 39.58 40.10 43.48 47.57 51.35 51.58 48.73 42.00 37.77 31.03 42.01
1985 26.81 30.86 34.00 41.27 ----- z ----- z 55.55 51.90 47.30 40.90 29.83 26.84 38.53
1986 36.55 36.11 40.97 39.27 45.19 52.87 52.29 54.87 48.60 44.90 40.17 34.42 43.85
1987 33.48 37.07 38.65 41.57 47.45 50.97 54.03 53.61 50.57 43.61 39.60 33.74 43.70
1988 32.74 35.66 36.19 41.07 44.55 49.60 53.00 52.42 47.70 48.45 40.40 33.42 42.93
1989 35.29 27.79 37.65 43.60 46.13 52.43 53.16 52.58 49.13 43.32 38.90 a 33.87 42.82
1990 36.32 34.04 39.00 42.83 45.45 52.40 56.23 55.77 53.24 a 41.61 38.67 27.26 43.57
1991 32.10 38.54 35.06 ----- z 43.55 48.10 53.52 54.32 51.13 41.90 40.03 35.81 43.10
1992 ----- z 39.38 39.45 43.10 47.10 52.87 56.81 54.32 47.87 45.81 39.50 33.52 45.43
1993 31.39 32.43 40.42 42.60 49.77 51.10 52.71 55.65 48.93 45.90 30.63 33.81 42.95
1994 37.48 32.71 39.19 42.37 47.81 49.57 54.03 53.61 52.57 40.23 33.67 36.23 43.29
1995 38.58 36.79 37.61 39.07 47.68 51.37 56.81 52.45 54.30 44.10 44.43 37.35 45.04
1996 35.94 33.31 37.68 42.93 44.45 50.07 56.84 54.39 48.23 43.61 37.67 35.29 43.37
1997 36.00 35.46 36.55 39.03 50.13 50.73 54.55 59.75 z ----- z 48.50 z 42.67 34.90 42.23
1998 38.10 38.68 39.71 42.07 a 48.13 51.83 58.55 55.32 51.60 44.42 43.03 34.16 45.47
1999 35.43 a 37.00 36.55 38.69 a 42.86 c 50.79 a 52.85 d 56.90 47.26 c 43.33 a 42.77 37.97 a 43.53
2000 34.12 e 36.73 c 34.81 41.54 b 46.53 a 51.52 a 53.66 b 52.65 50.96 b 44.55 35.40 35.23 a 43.14
2001 34.39 32.52 a 37.45 b 37.79 a 43.00 e 45.93 c 52.40 a 52.59 b 49.17 a 41.87 a 41.83 36.23 a 42.10
2002 34.90 34.75 35.97 40.63 42.90 49.69 a 53.58 51.16 48.22 g 42.13 38.67 36.45 41.89
2003 39.94 35.79 39.48 40.32 e 45.15 e 50.42 d ----- z 53.24 j 49.17 g 48.64 i 35.04 e 35.70 k 40.88
2004 30.85 k 37.21 e 39.56 d 41.46 d 47.29 g 52.48 i 54.95 l 55.78 m ----- z 45.84 l ----- z 35.22 h 39.41
2005 33.50 g 32.59 f 37.74 d 41.72 e 47.38 g 49.77 54.94 53.19 45.40 46.22 d 35.27 31.00 e 43.92
2006 38.10 31.54 d 35.00 c 39.67 c 44.87 52.23 54.84 52.32 49.63 42.16 40.24 a 34.19 42.90
2007 31.03 37.54 40.43 j ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 34.28
Period of Record Statistics
MEAN 33.80 35.14 37.39 40.37 45.12 50.04 53.72 53.12 49.34 42.75 37.86 33.97 42.73
S.D. 3.63 2.65 2.04 2.00 2.15 1.84 1.80 1.93 2.15 2.39 3.69 3.10 1.16
SKEW -0.73 -0.40 0.03 -0.67 0.67 -0.34 0.91 -0.53 0.35 0.33 -0.53 -0.70 0.36
MAX 39.94 39.93 41.10 43.60 50.13 52.87 58.55 56.90 54.30 48.45 44.43 38.77 45.47
MIN 24.61 27.79 33.97 35.33 42.32 45.93 50.97 47.94 45.40 38.61 29.83 26.84 40.47
NO YRS 32 34 34 33 31 32 32 31 30 31 33 33 25