Monthly Means and Extremes
                                                 Ruch, Oregon            Period:     1961-1990

Parameter                 Jan   Feb   Mar   Apr   May   Jun   Jul   Aug   Sep   Oct   Nov   Dec   Year
Mean Temperature (F)
   Maximum                 48.6  54.9  59.4  65.3  74.1  81.8  89.3  88.8  82.3  70.4  54.3  47.0   68.1
   Minimum                 29.7  30.8  33.1  35.4  40.6  46.8  49.9  49.7  44.5  38.6  34.1  30.3   38.7
   Mean                    39.1  42.8  46.2  50.3  57.3  64.3  69.6  69.4  63.4  54.5  44.2  38.7   53.4
Extreme Temperature (F)
   Maximum                   69    75    80    91    99   103   108   111   106   102    75    71    111
   Minimum                    8     2    20    20    25    30    34    36    27    19    13    -3     -3
Precipitation (inches)
   Monthly mean            4.27  2.79  2.89  1.59  1.04   .77   .37   .58  1.05  1.73  4.19  4.73  26.01
   Extreme 24 hour         3.37  1.46  2.85  1.12  1.33  1.13  1.67   .88  2.77  1.48  2.80  2.74   3.37
Snowfall (inches)
   Monthly mean            4.70  4.14  2.45   .23   .04   .00   .00   .00   .00   .00   .94  5.77  18.76
Average number of days
   Temperature
      Maximum 90 or more     .0    .0    .0    .1   2.3   7.6  16.3  15.4   7.6   1.0    .0    .0   51.0
      Maximum 32 or less     .0    .0    .0    .0    .0    .0    .0    .0    .0    .0    .0    .3     .4
      Minimum 32 or less   20.9  17.9  15.2  10.4   3.3    .2    .0    .0    .7   5.5  11.9  19.3  103.8
      Minimum 0 or less      .0    .0    .0    .0    .0    .0    .0    .0    .0    .0    .0    .1     .1
   Precipitation
      .01 inches or more   13.8  11.5  13.3  10.0   6.6   4.8   1.8   2.9   4.6   7.2  13.8  14.6  105.2
      .10 inches or more    8.1   6.6   7.7   5.3   3.5   2.8    .9   2.2   2.6   4.7   9.0   9.5   63.2
      .50 inches or more    3.0   1.8   1.7    .4    .4    .2    .1    .2    .7    .9   2.7   3.3   15.5
      1.00 inches or more    .9    .4    .4    .0    .0    .0    .0    .0    .1    .2    .9   1.1    4.0
Degree Days
   Heating days @ 65F       802   627   582   441   254    92    20    19   100   330   624   816   4688
   Growing days @ 50F         3     7    26    86   240   430   607   600   402   166    14     3   2597

                                                                         Oregon Climate Service