Monthly Means and Extremes                                         Period:     1971-2000
Drain , OR

Parameter                  Jan   Feb   Mar   Apr   May   Jun   Jul   Aug   Sep   Oct   Nov   Dec    Year
Mean Temperature(F)
   Maximum                 48.6  53.3  58.1  62.8  69.1  75.1  82.5  83.1  78.5  67.2  54.1  47.8    65.0
   Minimum                 33.7  35.5  37.0  39.3  43.2  47.3  50.3  50.2  45.9  41.5  38.5  34.3    41.4
   Mean                    41.2  44.4  47.6  51.1  56.2  61.2  66.4  66.7  62.2  54.4  46.3  41.1    53.2
Extreme Temperature(F)
   Maximum                   67    78    83    91    99    98   106   107   106    96    75    70     107
   Minimum                    9     4    24    28    31    34    37    37    32    22    16     1       1
Precipitation(inches)
   Monthly mean            7.20  6.13  5.28  3.81  2.52  1.30   .46   .87  1.38  3.25  7.79  7.87   47.86
   Extreme 24 hr           3.25  3.65  2.50  1.56  1.46   .99  1.18  2.10  1.84  1.79  5.92  4.92    5.92
Snowfall(inches)
   Monthly mean             .39  1.20   .03   .00   .00   .00   .00   .00   .00   .00   .20   .74    2.91
Average number of days
   Temperature
      Maximum 90 or more     .0    .0    .0    .1   1.0   1.7   6.9   6.8   3.7    .4    .0    .0    20.4
      Maximum 32 or less     .2    .1    .0    .0    .0    .0    .0    .0    .0    .0    .1    .7     1.1
      Minimum 32 or less   11.1   7.4   5.5   2.0    .2    .0    .0    .0    .1   1.6   3.9   9.1    42.3
      Minimum 0 or less      .0    .0    .0    .0    .0    .0    .0    .0    .0    .0    .0    .0      .0
   Precipitation
      .01 inches or more   18.7  17.4  18.8  16.0  11.2   7.2   2.8   3.6   5.9  11.4  19.4  18.5   150.9
      .10 inches or more   12.6  12.6  12.4  10.4   6.8   4.0   1.1   2.4   3.5   7.0  14.0  13.7   101.0
      .50 inches or more    4.9   4.8   3.5   2.0   1.2    .7    .2    .4    .9   2.3   5.3   5.6    31.6
      1.00 inches or more   1.9   1.2    .7    .5    .2    .0    .1    .1    .1    .5   2.1   1.9     9.5
Degree Days
   Heating days @ 65 (F)    729   574   532   409   271   132    39    35   106   320   550   732    4452
   Growing days @ 50 (F)      5    15    36    92   216   350   531   532   381   166    30     7    2346