Untitled Document
                                                 Monthly Means and Extremes
                                                 Medford Airport, Oregon 	      Period:  1961-1990

Parameter                 Jan   Feb   Mar   Apr   May   Jun   Jul   Aug   Sep   Oct   Nov   Dec   Year
Mean Temperature (F)
   Maximum                 45.7  53.3  58.1  64.1  72.5  82.1  90.5  89.9  82.5  69.1  52.3  44.3   67.0
   Minimum                 30.1  32.0  34.8  37.5  42.8  49.9  54.3  54.3  47.5  39.8  34.8  31.0   40.7
   Mean                    37.9  42.7  46.4  50.8  57.6  66.0  72.4  72.1  65.0  54.4  43.5  37.7   53.9
Extreme Temperature (F)
   Maximum                   71    77    81    93   103   109   110   114   110    99    75    72    114
   Minimum                    0     9    21    24    28    33    38    39    31    18    10    -6     -6
Precipitation (inches)
   Monthly mean            2.69  1.93  1.82  1.16  1.00   .58   .26   .52   .86  1.49  3.23  3.32  18.85
   Extreme 24 hour         1.77  1.73  1.43   .98   .80   .76  1.07   .71  2.80  1.94  1.97  3.30   3.30
Evaporation                 .57  1.18  2.49  3.60  5.38  6.74  8.17  6.71  4.04  1.85   .77   .56  42.06
Snowfall (inches)
   Monthly mean            3.02   .80   .74   .22   .00   .00   .00   .00   .00   .00   .40  2.34   7.52
Average number of days
   Temperature
      Maximum 90 or more     .0    .0    .0    .1   1.8   8.2  18.0  17.3   8.3    .9    .0    .0   54.6
      Maximum 32 or less    1.0    .0    .0    .0    .0    .0    .0    .0    .0    .0    .0   2.0    3.0
      Minimum 32 or less   19.7  14.9  11.3   6.6    .9    .0    .0    .0    .2   4.1  10.9  17.1   85.7
      Minimum 0 or less      .0    .0    .0    .0    .0    .0    .0    .0    .0    .0    .0    .2     .2
   Precipitation
      .01 inches or more   12.6  11.1  11.9   9.7   7.0   4.9   1.7   3.1   4.2   7.4  13.7  13.8  101.1
      .10 inches or more    6.0   5.0   5.4   3.8   3.3   2.1    .7   1.6   2.2   3.8   7.8   7.1   48.9
      .50 inches or more    1.6   1.0    .6    .3    .3    .2    .1    .2    .4    .9   1.7   1.9    9.2
      1.00 inches or more    .5    .3    .1    .0    .0    .0    .0    .0    .1    .2    .6    .5    2.4
Degree Days
   Heating days @ 65F       839   630   576   428   247    70    10     9    79   333   644   848   4713
   Growing days @ 50F         3     7    26    89   247   480   695   684   450   168    13     3   2865

                                                                         Oregon Climate Service