THE DALLES 2, OREGON

Monthly Average Minimum Temperature (Degrees Fahrenheit)

(358410)

File last updated on Apr 4, 2013
*** Note *** Provisional Data *** After Year/Month 197501
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
1967 ----- z ----- z ----- z ----- z ----- z ----- z ----- z 61.03 54.60 43.06 35.80 30.13 44.93
1968 29.58 33.03 37.29 39.50 46.97 54.53 59.84 58.13 51.87 39.48 36.03 28.42 42.89
1969 18.87 30.29 34.03 40.73 49.55 57.10 57.52 55.77 51.50 38.39 35.60 32.77 41.84
1970 28.55 35.04 37.10 39.43 46.81 57.53 60.37 a 58.03 48.03 37.81 34.37 30.65 42.81
1971 32.58 32.18 33.84 39.23 48.19 50.90 59.23 60.55 46.60 39.03 34.60 31.03 42.33
1972 29.52 31.72 39.13 38.57 49.19 54.80 58.52 58.32 46.07 36.68 37.10 20.87 41.71
1973 25.39 31.50 36.84 41.37 47.71 54.03 60.61 56.61 49.53 42.19 34.50 34.71 42.92
1974 24.10 33.39 35.29 41.73 46.00 56.00 57.52 59.81 49.63 38.06 36.83 33.68 42.67
1975 30.03 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 30.03
Period of Record Statistics
MEAN 27.33 32.45 36.22 40.08 47.77 54.99 59.08 58.53 49.73 39.34 35.60 30.28 42.45
S.D. 4.34 1.53 1.92 1.20 1.30 2.23 1.28 1.84 2.87 2.21 1.05 4.31 0.50
SKEW -0.85 0.34 0.06 0.27 0.15 -0.69 -0.15 -0.06 0.30 0.71 0.14 -1.33 -0.77
MAX 32.58 35.04 39.13 41.73 49.55 57.53 60.61 61.03 54.60 43.06 37.10 34.71 42.92
MIN 18.87 30.29 33.84 38.57 46.00 50.90 57.52 55.77 46.07 36.68 34.37 20.87 41.71
NO YRS 8 7 7 7 7 7 7 8 8 8 8 8 7