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

Parameter                  Jan   Feb   Mar   Apr   May   Jun   Jul   Aug   Sep   Oct   Nov   Dec    Year
Mean Temperature(F)
   Maximum                 41.3  45.7  51.8  58.4  66.2  74.0  83.4  83.5  75.1  63.7  47.6  40.9    61.0
   Minimum                 28.1  29.4  31.9  34.7  39.0  44.2  47.4  47.7  42.7  37.1  33.3  29.0    37.0
   Mean                    34.7  37.6  41.9  46.6  52.6  59.1  65.4  65.6  58.9  50.4  40.5  35.0    49.0
Extreme Temperature(F)
   Maximum                   67    72    78    87    97   101   101   106    97    98    74    67     103
   Minimum                  -19   -22     4    14    20    25    25    31    20     3   -16   -22     -19
Precipitation(inches)
   Monthly mean            1.50  1.27  1.49  1.42  1.66  1.11   .55   .72   .79  1.33  1.77  1.57   15.18
   Extreme 24 hr           1.50   .98  1.30  1.08  1.86  1.29  1.40  1.56   .98  1.30  1.67  2.95    1.70
Snowfall(inches)
   Monthly mean            3.50  1.88   .65   .26   .20   .00   .00   .00   .00   .48  2.17  2.67   14.93
Average number of days
   Temperature
      Maximum 90 or more     .0    .0    .0    .0    .2   1.4   8.4   9.0   1.7    .6    .0    .0    21.2
      Maximum 32 or less    6.3   2.3    .2    .0    .0    .0    .0    .0    .0    .0   1.6   5.2    15.8
      Minimum 32 or less   23.1  20.0  19.6  15.8   8.8   2.1    .5    .4   4.8  12.1  17.1  23.1   150.2
      Minimum 0 or less     1.4    .7    .0    .0    .0    .0    .0    .0    .0    .0    .3    .8     2.4
   Precipitation
      .01 inches or more    7.3   7.3   8.9   7.8   6.7   5.4   2.9   2.9   3.7   5.8   8.6   7.4    79.9
      .10 inches or more    4.3   4.4   5.0   4.6   4.2   3.3   1.5   2.0   2.6   3.6   5.6   4.6    47.3
      .50 inches or more     .6    .4    .5    .6   1.1    .6    .3    .5    .3    .7    .9    .7     6.5
      1.00 inches or more    .1    .0    .1    .1    .2    .1    .1    .0    .0    .1    .1    .2      .8
Degree Days
   Heating days @ 65 (F)    995   805   738   580   411   221    91    76   228   467   771   970    6365
   Growing days @ 50 (F)      2     3     7    36   119   258   447   469   251    99     8     2    1651