Monthly Means and Extremes Period: 1971-2000
Klamath Falls, OR
Parameter Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Year
Mean Temperature(F)
Maximum 39.9 45.7 51.8 59.3 68.2 77.1 85.7 85.2 77.0 64.6 47.4 39.5 61.8
Minimum 21.9 25.6 28.8 32.3 39.1 45.8 51.9 50.4 43.6 34.9 27.7 22.1 35.3
Mean 30.9 35.7 40.3 45.8 53.7 61.5 68.8 67.8 60.3 49.8 37.6 30.8 48.6
Extreme Temperature(F)
Maximum 58 69 73 87 98 100 102 104 100 88 71 59 104
Minimum -9 -10 4 15 22 28 30 32 20 11 1 -17 -17
Precipitation(inches)
Monthly mean 2.03 1.42 1.53 .93 1.10 .69 .36 .50 .58 .85 1.95 2.01 13.95
Extreme 24 hr 1.73 .97 1.11 .77 .92 .95 1.14 1.14 .88 .96 1.11 1.23 1.73
Snowfall(inches)
Monthly mean 8.74 5.05 2.66 .53 .07 .00 .00 .00 .00 .35 4.20 9.78 32.36
Average number of days
Temperature
Maximum 90 or more .0 .0 .0 .0 .6 2.5 11.4 10.5 2.2 .0 .0 .0 27.8
Maximum 32 or less 4.8 1.0 .1 .0 .0 .0 .0 .0 .0 .0 .9 4.6 11.0
Minimum 32 or less 26.8 22.7 21.6 16.0 6.1 .7 .0 .1 1.7 11.8 22.3 27.2 156.6
Minimum 0 or less .8 .3 .0 .0 .0 .0 .0 .0 .0 .0 .0 .8 1.6
Precipitation
.01 inches or more 11.5 10.1 10.9 8.0 6.6 4.9 2.3 3.3 3.2 5.6 10.8 12.2 88.3
.10 inches or more 5.5 4.4 4.8 2.9 3.4 2.3 .9 1.4 1.6 2.6 6.2 6.4 41.4
.50 inches or more .9 .4 .6 .3 .5 .2 .2 .4 .3 .2 .7 1.2 5.9
1.00 inches or more .2 .0 .0 .0 .0 .0 .0 .1 .0 .0 .1 .1 .6
Degree Days
Heating days @ 65 (F) 1060 831 763 577 363 155 41 48 171 470 827 1062 6336
Growing days @ 50 (F) 0 0 5 40 170 350 586 550 322 91 2 0 2125