Monthly Means and Extremes Period: 1971-2000
Sexton Summit, OR
Parameter Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Year
Mean Temperature(F)
Maximum 42.5 44.1 46.7 51.9 60.1 67.5 75.5 75.7 70.3 59.3 45.7 42.0 56.8
Minimum 32.5 33.0 32.5 34.9 39.6 45.4 51.8 52.7 49.8 43.3 35.2 32.5 40.3
Mean 37.5 38.6 39.6 43.4 49.9 56.5 63.7 64.2 60.1 51.3 40.5 37.3 48.6
Extreme Temperature(F)
Maximum 65 67 70 80 91 95 94 97 95 88 70 66 97
Minimum 11 3 15 19 25 31 36 39 31 20 15 -4 2
Precipitation(inches)
Monthly mean 4.71 4.29 3.92 2.38 1.35 .94 .35 .61 1.20 2.93 5.32 5.18 33.18
Extreme 24 hr 5.25 3.20 1.91 1.21 1.21 2.16 .83 1.32 1.80 3.08 3.63 2.62 5.25
Snowfall(inches)
Monthly mean 13.17 17.37 16.88 10.11 1.89 .04 .00 .00 .15 1.16 9.45 17.28 90.34
Average number of days
Temperature
Maximum 90 or more .0 .0 .0 .0 .0 .1 .8 1.4 .4 .0 .0 .0 2.8
Maximum 32 or less 4.2 3.2 1.9 .5 .0 .0 .0 .0 .0 .1 2.0 5.0 16.2
Minimum 32 or less 16.9 14.0 17.0 13.9 6.2 .5 .0 .0 .1 2.7 12.1 15.9 100.8
Minimum 0 or less .0 .0 .0 .0 .0 .0 .0 .0 .0 .0 .0 .0 .0
Precipitation
.01 inches or more 14.0 14.5 16.6 12.4 8.5 5.2 2.6 3.0 4.9 8.0 15.8 15.0 122.0
.10 inches or more 8.6 9.7 10.6 6.7 4.6 2.7 1.2 1.7 3.2 5.1 10.6 9.3 75.8
.50 inches or more 2.8 2.2 2.3 1.1 .3 .4 .1 .4 .8 2.2 3.3 3.0 20.0
1.00 inches or more 1.1 .9 .6 .2 .0 .0 .0 .2 .1 .6 1.1 .9 6.3
Degree Days
Heating days @ 65 (F) 870 756 810 660 493 280 135 122 225 429 746 859 6431
Growing days @ 50 (F) 4 8 10 40 109 223 403 426 300 153 15 7 1672