Monthly Means and Extremes
Mitchell, Oregon Period: 1961-1990
Parameter Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Year
Mean Temperature (F)
Maximum 41.3 47.1 52.9 59.8 68.0 77.5 85.8 85.3 75.8 64.6 48.9 41.5 62.1
Minimum 23.6 27.1 30.4 33.4 39.4 46.8 51.0 50.7 42.7 35.3 29.2 24.4 36.1
Mean 32.4 37.0 41.7 46.6 53.7 62.1 68.4 68.0 59.3 49.9 39.0 33.0 49.1
Extreme Temperature (F)
Maximum 68 72 82 91 100 103 103 107 102 90 76 69 107
Minimum -18 -16 12 10 23 25 32 33 24 11 -11 -27 -27
Precipitation (inches)
Monthly mean .86 .65 1.04 1.13 1.55 1.25 .57 .78 .74 .75 1.23 .99 11.57
Extreme 24 hour .95 .57 .92 1.57 1.10 1.94 1.75 1.39 1.71 .75 1.80 1.00 1.80
Snowfall (inches)
Monthly mean 4.20 2.02 1.76 .53 .06 .00 .00 .00 .00 .37 2.72 4.88 18.11
Average number of days
Temperature
Maximum 90 or more .0 .0 .0 .1 1.1 4.9 12.4 11.8 2.7 .0 .0 .0 33.1
Maximum 32 or less 5.9 1.8 .1 .0 .0 .0 .0 .0 .0 .1 1.5 5.0 15.5
Minimum 32 or less 24.2 20.6 20.2 14.5 4.4 .5 .0 .0 1.5 10.5 19.1 25.1 141.5
Minimum 0 or less 1.4 .7 .0 .0 .0 .0 .0 .0 .0 .0 .2 1.1 3.7
Precipitation
.01 inches or more 6.4 6.6 7.5 6.6 7.3 5.2 2.7 3.4 3.9 5.2 7.8 7.9 71.7
.10 inches or more 3.4 2.5 3.7 3.7 4.3 3.4 1.6 2.0 2.0 2.6 4.0 3.5 37.3
.50 inches or more .4 .1 .4 .5 .8 .7 .3 .4 .3 .4 .4 .2 5.1
1.00 inches or more .0 .0 .0 .1 .1 .2 .0 .1 .1 .0 .1 .0 .6
Degree Days
Heating days @ 65F 1009 790 723 553 365 151 48 51 201 468 779 994 6190
Growing days @ 50F 1 2 9 55 163 369 570 558 290 99 8 1 2123
Oregon Climate Service