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

Parameter                 Jan   Feb   Mar   Apr   May   Jun   Jul   Aug   Sep   Oct   Nov   Dec   Year
Mean Temperature(F)
   Maximum                 41.9  46.6  52.3  59.3  69.9  78.4  87.9  86.2  77.8  67.1  50.2  42.1   64.0
   Minimum                 21.8  24.3  27.8  31.6  39.1  46.6  52.1  50.1  42.0  34.0  27.7  21.5   34.7
   Mean                    31.8  35.4  40.1  45.5  54.5  62.5  70.0  68.1  59.9  50.6  38.9  31.8   49.3
Extreme Temperature(F)
   Maximum                   63    71    77    87    94   105   107   104   101    90    77    64    104
   Minimum                  -12   -24     3    15    18    29    34    31    20     6     2   -24    -24
Precipitation(inches)
   Monthly mean            1.11   .98   .93   .87   .82  1.01   .42   .59   .58   .46  1.13  1.09   9.58
   Extreme 24 hr           1.18  1.65  1.01  1.19   .82  1.67   .98   .90  1.17   .49   .80  1.67   1.67
Snowfall(inches)
   Monthly mean            5.52  4.76  3.34  1.20   .85   .00   .00   .00   .08   .63  2.88  6.49  31.09
Average number of days
   Temperature
      Maximum 90 or more     .0    .0    .0    .0    .5   4.4  14.1  12.0   2.3    .1    .0    .0   33.9
      Maximum 32 or less    4.1   1.4    .6    .0    .0    .0    .0    .0    .0    .1    .6   5.1   11.1
      Minimum 32 or less   26.0  23.5  22.1  17.0   5.8    .3    .0    .0   2.9  12.6  21.7  27.0  158.0
      Minimum 0 or less     1.0    .6    .0    .0    .0    .0    .0    .0    .0    .0    .0   1.2    2.6
   Precipitation
      .01 inches or more    7.7   6.7   7.6   6.4   5.8   5.9   2.0   3.0   3.2   4.6   8.6   8.1   68.4
      .10 inches or more    3.7   3.1   3.1   2.9   2.7   2.9   1.2   1.8   1.8   1.8   4.4   3.7   31.8
      .50 inches or more     .4    .4    .3    .3    .4    .5    .2    .3    .3    .0    .4    .4    3.3
      1.00 inches or more    .1    .1    .1    .1    .0    .1    .0    .0    .0    .0    .0    .1     .4
Degree Days
   Heating days @ 65       1029   835   772   586   337   138    26    44   183   450   782  1028   6112
   Growing days @ 50          0     1    11    44   187   380   619   562   312   114     5     0   2278

                                                                         Oregon Climate Service