WINCHESTER 3 W F STN, OREGON

Monthly Average Minimum Temperature (Degrees Fahrenheit)

(359464)

File last updated on Apr 4, 2013
*** Note *** Provisional Data *** After Year/Month 198906
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
1981 36.30 a 34.64 36.32 c 39.10 43.13 45.70 50.58 52.06 46.17 39.83 a 37.97 37.65 41.62
1982 31.81 31.71 34.87 35.70 40.81 51.43 50.26 50.68 47.03 43.81 35.57 34.39 40.67
1983 34.13 38.07 41.81 38.47 45.58 47.60 50.35 50.45 45.97 41.71 40.47 34.19 42.40
1984 34.32 36.41 39.58 ----- z 42.90 46.73 51.23 50.10 44.33 41.61 37.03 32.65 41.54
1985 32.29 30.93 32.23 40.60 41.29 47.20 53.32 49.48 44.07 37.43 a 30.97 27.77 38.97
1986 35.32 36.43 39.61 38.47 43.03 51.20 50.29 53.52 45.20 42.68 39.00 33.68 42.37
1987 29.77 32.89 35.45 39.03 45.74 47.87 52.03 49.48 44.41 a 38.58 39.73 32.84 40.65
1988 31.90 32.79 34.10 40.17 42.23 47.30 51.13 49.94 44.10 45.61 38.57 31.48 40.78
1989 32.94 25.46 37.10 42.50 43.68 48.57 ----- z ----- z ----- z ----- z ----- z ----- z 38.37
Period of Record Statistics
MEAN 33.20 33.26 36.78 39.25 43.15 48.18 51.15 50.71 45.16 41.41 37.41 33.08 41.07
S.D. 2.02 3.77 3.06 1.97 1.69 1.95 1.07 1.40 1.12 2.71 3.02 2.81 1.20
SKEW -0.07 -0.77 0.22 -0.17 0.32 0.76 1.13 1.12 0.52 0.01 -1.26 -0.38 -0.50
MAX 36.30 38.07 41.81 42.50 45.74 51.43 53.32 53.52 47.03 45.61 40.47 37.65 42.40
MIN 29.77 25.46 32.23 35.70 40.81 45.70 50.26 49.48 44.07 37.43 30.97 27.77 38.97
NO YRS 9 9 9 8 9 9 8 8 8 8 8 8 7