Monthly Means and Extremes Period: 1971-2000
Barnes Station, OR
Parameter Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Year
Mean Temperature(F)
Maximum 39.6 44.6 51.3 58.9 66.9 76.0 85.4 85.1 77.0 65.1 47.6 39.9 61.5
Minimum 19.0 23.2 26.5 29.3 34.9 40.5 45.4 44.2 36.6 29.9 25.0 19.0 31.1
Mean 29.3 33.9 38.9 44.1 50.9 58.3 65.4 64.7 56.8 47.5 36.3 29.5 46.3
Extreme Temperature(F)
Maximum 60 70 75 86 94 97 100 102 100 91 72 62 102
Minimum -23 -26 -1 10 16 23 27 26 18 -1 -18 -30 -30
Precipitation(inches)
Monthly mean 1.44 1.10 1.24 1.05 1.42 1.04 .79 .86 .68 .86 1.62 1.62 13.72
Extreme 24 hr 1.02 1.04 .92 .79 1.10 1.38 1.91 2.20 .64 1.14 .88 1.11 2.20
Snowfall(inches)
Monthly mean 9.99 8.32 3.91 1.59 .38 .00 .00 .00 .14 1.03 7.68 12.13 45.16
Average number of days
Temperature
Maximum 90 or more .0 .0 .0 .0 .2 1.8 9.8 8.9 2.1 .1 .0 .0 22.8
Maximum 32 or less 6.1 2.0 .3 .0 .0 .0 .0 .0 .0 .1 1.2 5.4 15.5
Minimum 32 or less 27.9 24.3 24.9 20.0 11.7 3.4 .7 .6 7.9 18.9 23.2 28.1 191.1
Minimum 0 or less 2.6 1.1 .1 .0 .0 .0 .0 .0 .0 .0 .5 2.0 6.5
Precipitation
.01 inches or more 10.9 10.0 12.4 10.9 9.8 7.2 4.3 4.6 5.0 6.5 12.6 10.8 105.8
.10 inches or more 5.1 4.6 4.4 3.6 4.6 3.3 2.1 2.4 2.2 2.9 5.7 5.3 46.5
.50 inches or more .3 .1 .2 .1 .4 .4 .4 .4 .2 .2 .4 .6 3.8
1.00 inches or more .0 .0 .0 .0 .1 .1 .1 .1 .0 .0 .0 .0 .5
Degree Days
Heating days @ 65 (F) 1114 885 819 636 449 228 80 90 265 554 871 1111 7117
Growing days @ 50 (F) 0 0 2 27 105 255 469 445 222 55 2 0 1582