Monthly Means and Extremes                                         Period:     1971-2000
Grants Pass, OR

Parameter                  Jan   Feb   Mar   Apr   May   Jun   Jul   Aug   Sep   Oct   Nov   Dec    Year
Mean Temperature(F)
   Maximum                 47.4  54.1  59.8  65.6  73.1  80.8  88.8  89.0  82.7  70.4  53.3  45.7    67.6
   Minimum                 31.1  32.7  34.1  35.8  40.5  45.4  49.5  48.9  43.0  37.4  34.6  31.3    38.7
   Mean                    39.3  43.4  47.0  50.7  56.8  63.1  69.2  69.0  62.9  53.9  44.0  38.5    53.2
Extreme Temperature(F)
   Maximum                   69    76    81    93   102   106   109   110   108    98    77    67     110
   Minimum                   13    12    22    24    26    33    39    36    29    20    12    -1      -1
Precipitation(inches)
   Monthly mean            4.96  4.36  3.66  2.02  1.21   .53   .37   .45   .87  2.07  5.12  5.40   31.02
   Extreme 24 hr           3.35  2.17  2.23  1.41  1.47   .98  1.25   .75  2.86  1.68  4.82  4.00    4.82
Snowfall(inches)
   Monthly mean             .67   .33   .16   .00   .00   .00   .00   .00   .00   .00   .01   .94    2.27
Average number of days
   Temperature
      Maximum 90 or more     .0    .0    .0    .2   2.4   7.0  16.3  16.3   9.0    .9    .0    .0    51.4
      Maximum 32 or less     .0    .0    .0    .0    .0    .0    .0    .0    .0    .0    .0    .7      .8
      Minimum 32 or less   14.0  10.8   9.6   5.3   1.0    .0    .0    .0    .5   4.2   6.9  13.4    65.5
      Minimum 0 or less      .0    .0    .0    .0    .0    .0    .0    .0    .0    .0    .0    .1      .1
   Precipitation
      .01 inches or more   15.7  15.1  15.9  11.6   8.0   4.2   2.0   2.7   4.6   8.1  16.7  16.3   121.5
      .10 inches or more    9.2   9.2   8.4   5.3   3.6   1.9   1.0   1.4   2.3   4.5   9.6   9.7    67.0
      .50 inches or more    3.4   3.1   2.1   1.1    .4    .2    .1    .2    .5   1.6   3.3   3.5    19.6
      1.00 inches or more   1.2    .9    .7    .2    .1    .0    .0    .0    .0    .3    .9   1.1     5.5
Degree Days
   Heating days @ 65 (F)    754   575   519   376   220    80    15    14    79   307   584   780    4322
   Growing days @ 50 (F)      3    15    43   120   274   451   648   639   438   182    21     4    2824