Monthly Means and Extremes                                         Period:     1971-2000
Squaw Butte Experiment Station, OR

Parameter                  Jan   Feb   Mar   Apr   May   Jun   Jul   Aug   Sep   Oct   Nov   Dec    Year
Mean Temperature(F)
   Maximum                 34.6  39.1  45.7  54.0  62.9  72.6  81.8  81.7  72.0  59.9  42.7  35.5    56.9
   Minimum                 19.4  22.8  27.1  30.7  37.2  44.1  50.9  50.8  43.9  35.5  26.3  20.2    34.1
   Mean                    27.0  31.0  36.4  42.4  50.1  58.4  66.4  66.3  58.0  47.7  34.5  27.9    45.5
Extreme Temperature(F)
   Maximum                   55    66    71    86    92    96    99   100    97    87    72    59      98
   Minimum                  -10   -16     5    11    18    24    30    24    19     4    -5   -20     -20
Precipitation(inches)
   Monthly mean            1.41  1.02  1.30  1.03  1.31   .80   .45   .58   .63   .79  1.25  1.23   11.80
   Extreme 24 hr           3.50  1.00   .75  1.27  1.25  1.36  1.04  2.02  1.07  2.00   .85  1.05    1.36
Snowfall(inches)
   Monthly mean           12.58  8.33  4.65  1.56   .50   .07   .00   .00   .00   .83  5.32 12.10   42.03
Average number of days
   Temperature
      Maximum 90 or more     .0    .0    .0    .0    .1   1.4   7.3   7.3   1.0    .0    .0    .0    16.7
      Maximum 32 or less   10.0   4.5   1.0    .0    .0    .0    .0    .0    .0    .2   2.7   8.4    23.5
      Minimum 32 or less   29.1  24.9  25.0  18.2   9.5   2.5    .5    .1   2.8  10.8  23.1  28.5   172.7
      Minimum 0 or less     1.2    .6    .0    .0    .0    .0    .0    .0    .0    .0    .1    .9     3.8
   Precipitation
      .01 inches or more    9.8   8.5  10.0   7.9   8.3   5.6   3.2   4.0   4.2   5.1   9.3   8.0    81.6
      .10 inches or more    4.9   3.9   4.2   3.5   4.4   2.7   1.4   1.6   1.8   2.4   4.2   3.9    37.8
      .50 inches or more     .4    .1    .4    .3    .6    .2    .1    .2    .3    .2    .3    .5     3.7
      1.00 inches or more    .1    .0    .0    .0    .1    .0    .0    .0    .0    .1    .0    .0      .3
Degree Days
   Heating days @ 65 (F)   1186   945   869   651   457   225    77    74   224   513   879  1144    7120
   Growing days @ 50 (F)      0     0     2    33   116   279   512   513   291    92     3     0    1897