Monthly Means and Extremes
                                                 OO Ranch, Oregon        Period:     1961-1990

Parameter                 Jan   Feb   Mar   Apr   May   Jun   Jul   Aug   Sep   Oct   Nov   Dec   Year
Mean Temperature(F)
   Maximum                 38.8  44.6  50.6  59.2  69.2  76.8  86.3  84.8  75.8  64.3  49.0  38.5   63.1
   Minimum                 19.1  23.3  26.5  30.5  36.7  44.0  48.3  46.1  37.6  29.2  25.2  18.2   31.1
   Mean                    28.9  33.9  38.6  44.9  52.9  60.3  67.3  65.4  56.6  46.7  37.1  28.3   47.1
Extreme Temperature(F)
   Maximum                   64    67    78    85    93   100   103   102    94    87    71    61    100
   Minimum                  -36   -18     2    12    20    24    26    27    11     9    -2   -35    -20
Precipitation(inches)
   Monthly mean            1.03   .69   .84   .68  1.17   .98   .39   .84   .56   .78  1.09  1.10  10.98
   Extreme 24 hr            .94  1.00   .73  1.00  2.00   .75   .89  2.02  1.25  1.30   .83  1.90   1.30
Snowfall(inches)
   Monthly mean            5.03  2.44  2.27   .45   .11   .00   .00   .00   .00   .35  1.14  5.42  18.99
Average number of days
   Temperature
      Maximum 90 or more     .0    .0    .0    .0    .1   2.4  11.0   9.1   1.0    .0    .0    .0   34.0
      Maximum 32 or less    6.7   1.4    .5    .0    .0    .0    .0    .0    .0    .0   1.0   7.9   18.0
      Minimum 32 or less   25.8  24.4  24.3  17.4   9.0   1.3    .3    .5   7.4  20.3  22.3  27.3  198.0
      Minimum 0 or less     2.3    .3    .0    .0    .0    .0    .0    .0    .0    .0    .2   2.4    8.0
   Precipitation
      .01 inches or more    6.0   6.4   6.8   5.0   5.7   5.6   2.0   3.9   2.8   4.7   6.7   7.1   68.1
      .10 inches or more    3.5   2.4   2.9   2.1   3.0   3.4   1.1   2.4   1.8   2.7   3.8   3.8   35.4
      .50 inches or more     .4    .1    .2    .1    .6    .3    .2    .4    .2    .4    .5    .4    3.8
      1.00 inches or more    .0    .1    .0    .0    .1    .0    .0    .1    .1    .0    .0    .1     .3
Degree Days
   Heating days @ 65       1118   876   820   603   378   172    39    67   262   567   838  1138   6851
   Growing days @ 50          0     0     3    36   146   314   535   479   223    37     2     0   1895

                                                                         Oregon Climate Service