Monthly Means and Extremes
Medford Exper. St., Oregon Period: 1961-1990
Parameter Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Year
Mean Temperature (F)
Maximum 46.2 53.6 58.6 65.0 73.0 81.4 88.8 88.3 81.5 68.3 52.6 45.1 66.9
Minimum 30.1 32.0 34.3 36.5 41.3 47.7 50.6 50.7 44.2 37.7 34.6 30.9 39.3
Mean 38.2 42.8 46.4 50.8 57.1 64.5 69.7 69.5 62.9 53.0 43.6 38.0 53.1
Extreme Temperature (F)
Maximum 70 76 81 93 96 107 105 109 102 95 76 68 109
Minimum -1 0 20 25 29 30 35 37 27 17 9 -8 -8
Precipitation (inches)
Monthly mean 2.87 2.05 2.09 1.38 1.11 .77 .29 .61 1.03 1.68 3.34 3.64 21.22
Extreme 24 hour 2.35 2.02 1.84 .94 .79 .91 .93 .90 3.66 2.47 2.12 3.33 3.66
Snowfall (inches)
Monthly mean 2.35 .43 .22 .16 .00 .00 .00 .00 .00 .00 .04 1.64 5.47
Average number of days
Temperature
Maximum 90 or more .0 .0 .0 .0 1.9 6.9 15.6 15.0 6.4 .5 .0 .0 46.4
Maximum 32 or less .4 .1 .0 .0 .0 .0 .0 .0 .0 .0 .0 .9 1.4
Minimum 32 or less 19.5 15.7 13.3 9.1 2.9 .1 .0 .0 .9 7.2 12.0 17.9 97.6
Minimum 0 or less .0 .0 .0 .0 .0 .0 .0 .0 .0 .0 .0 .2 .2
Precipitation
.01 inches or more 14.0 11.0 12.2 10.3 7.5 5.3 1.7 3.0 4.1 7.7 15.2 15.1 108.2
.10 inches or more 6.3 5.0 5.5 4.2 4.0 2.5 .8 1.9 2.5 4.0 7.6 7.7 52.9
.50 inches or more 1.9 1.2 1.0 .5 .2 .3 .1 .3 .5 .9 1.9 2.2 11.4
1.00 inches or more .3 .2 .2 .0 .0 .0 .0 .0 .1 .3 .6 .7 2.6
Degree Days
Heating days @ 65F 832 627 576 428 258 89 22 18 109 373 642 838 4788
Growing days @ 50F 5 9 26 86 234 436 611 605 387 131 14 4 2548
Oregon Climate Service