Monthly Means and Extremes Period: 1971-2000
Burns WSO, OR
Parameter Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Year
Mean Temperature(F)
Maximum 34.7 40.5 49.0 57.4 66.1 75.1 85.4 84.5 75.0 62.4 44.8 35.1 59.2
Minimum 14.0 19.4 24.9 28.6 35.6 41.1 46.4 43.9 35.0 26.4 20.6 14.6 29.2
Mean 24.4 30.0 37.0 43.0 50.9 58.1 65.9 64.2 55.0 44.4 32.7 24.9 44.2
Extreme Temperature(F)
Maximum 57 64 71 84 94 98 100 102 97 89 70 57 99
Minimum -27 -28 -14 10 15 21 25 22 17 -3 -13 -28 -28
Precipitation(inches)
Monthly mean 1.18 1.11 1.24 .85 1.05 .66 .40 .45 .50 .72 1.11 1.30 10.57
Extreme 24 hr .73 .81 .71 .55 .85 1.07 .82 .99 .92 .75 .62 .67 1.07
Snowfall(inches)
Monthly mean 7.02 6.72 3.84 .72 .18 .04 .00 .00 .00 .71 5.98 10.21 39.52
Average number of days
Temperature
Maximum 90 or more .0 .0 .0 .0 .2 1.8 9.5 8.3 1.3 .0 .0 .0 19.8
Maximum 32 or less 10.1 5.4 .5 .0 .0 .0 .0 .0 .0 .1 3.0 10.8 31.2
Minimum 32 or less 30.0 26.2 27.1 19.8 8.6 2.7 .6 1.0 7.8 23.3 27.0 30.1 205.9
Minimum 0 or less 3.9 1.9 .1 .0 .0 .0 .0 .0 .0 .1 .9 3.7 10.6
Precipitation
.01 inches or more 10.3 10.2 11.6 8.8 9.4 6.2 2.8 3.1 3.8 5.9 11.5 10.1 96.6
.10 inches or more 4.3 4.1 4.3 3.2 3.8 2.4 1.1 1.3 1.5 2.7 4.2 4.4 38.4
.50 inches or more .2 .2 .3 .2 .3 .3 .3 .1 .2 .3 .1 .2 2.8
1.00 inches or more .0 .0 .0 .0 .0 .1 .0 .0 .0 .0 .0 .0 .1
Degree Days
Heating days @ 65 (F) 1243 1017 854 647 436 231 74 84 289 636 961 1267 7810
Growing days @ 50 (F) 0 0 1 23 116 256 484 450 205 31 0 0 1539