Monthly Means and Extremes
Chiloquin, Oregon Period: 1961-1979
Parameter Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Year
Mean Temperature (F)
Maximum 36.4 40.4 48.5 57.7 64.3 72.7 79.8 80.5 71.9 62.1 44.8 36.2 58.2
Minimum 17.9 19.8 26.3 29.3 32.6 39.1 42.3 41.8 35.7 29.6 24.8 18.7 30.1
Mean 27.2 30.1 37.4 43.5 48.5 55.9 61.0 61.1 53.8 45.8 34.8 27.5 44.1
Extreme Temperature (F)
Maximum 56 63 72 84 93 93 98 96 96 85 67 53 98
Minimum -7 -19 6 12 20 26 30 30 23 17 -7 -18 -19
Precipitation (inches)
Monthly mean 2.40 2.83 2.47 1.30 1.29 .65 .61 .57 .82 1.23 3.18 3.59 21.84
Extreme 24 hour 1.48 1.73 1.69 .98 .98 .59 1.20 .71 .85 1.12 1.34 1.38 1.73
Snowfall (inches)
Monthly mean 16.26 11.28 7.27 2.49 .15 .00 .00 .00 .00 .36 8.08 19.03 63.91
Average number of days
Temperature
Maximum 90 or more .0 .0 .0 .0 .2 .8 3.3 2.6 .6 .0 .0 .0 8.0
Maximum 32 or less 9.1 3.4 .3 .0 .0 .0 .0 .0 .0 .0 2.3 7.8 20.8
Minimum 32 or less 28.6 26.1 27.4 21.7 16.4 5.1 .7 .4 8.0 22.4 26.6 28.8 211.7
Minimum 0 or less 1.8 2.3 .0 .0 .0 .0 .0 .0 .0 .0 .2 1.6 5.4
Precipitation
.01 inches or more 10.7 11.1 13.1 7.7 6.5 5.6 3.0 2.7 4.7 6.3 12.7 13.0 99.7
.10 inches or more 6.6 7.4 7.3 4.1 4.3 2.5 1.5 1.6 2.6 3.4 7.6 8.3 59.9
.50 inches or more 1.1 1.7 1.2 .7 .6 .2 .3 .5 .3 .6 2.4 2.2 12.0
1.00 inches or more .3 .3 .1 .0 .0 .0 .1 .0 .0 .1 .4 .6 1.9
Degree Days
Heating days @ 65F 1173 984 856 646 515 283 151 138 339 594 905 1164 7655
Growing days @ 50F 0 0 0 25 78 206 346 345 159 34 0 0 1208
Oregon Climate Service