Monthly Means and Extremes                                         Period:     1971-2000
Malheur NWR HQ, OR

Parameter                  Jan   Feb   Mar   Apr   May   Jun   Jul   Aug   Sep   Oct   Nov   Dec    Year
Mean Temperature(F)
   Maximum                 37.2  43.2  50.0  57.8  66.2  74.2  82.7  81.6  73.5  61.8  46.1  37.2    59.3
   Minimum                 17.7  22.2  26.6  31.3  38.6  44.5  49.7  48.3  39.3  30.7  24.6  18.4    32.7
   Mean                    27.5  32.7  38.3  44.6  52.4  59.4  66.2  65.0  56.4  46.3  35.4  27.8    46.0
Extreme Temperature(F)
   Maximum                   61    67    75    86    93    95   100   100    93    97    71    63     100
   Minimum                  -23   -16    -9    11    19    24    32    27    16     3    -9   -30     -30
Precipitation(inches)
   Monthly mean             .98   .75  1.11   .94  1.17   .83   .44   .59   .55   .73  1.11   .94   10.14
   Extreme 24 hr            .76   .70  1.19  1.57  1.60   .88  1.22  1.55  1.00  1.08  1.25   .75    1.55
Snowfall(inches)
   Monthly mean            6.02  4.22  2.83  1.34   .34   .00   .00   .00   .03   .15  3.11  7.99   33.60
Average number of days
   Temperature
      Maximum 90 or more     .0    .0    .0    .0    .2   1.2   6.5   5.4    .7    .1    .0    .0    18.8
      Maximum 32 or less    8.7   2.8    .5    .0    .0    .0    .0    .0    .0    .1   1.8   8.4    23.3
      Minimum 32 or less   28.0  24.2  24.5  17.9   6.3   1.0    .0    .6   6.0  17.8  24.0  28.1   179.8
      Minimum 0 or less     2.2    .8    .1    .0    .0    .0    .0    .0    .0    .0    .7   3.3     7.0
   Precipitation
      .01 inches or more    8.6   7.6   8.5   7.6   7.4   5.2   2.8   3.2   3.4   5.2   7.9   8.6    83.5
      .10 inches or more    3.2   3.0   3.7   3.0   4.2   2.4   1.6   1.8   1.5   2.4   3.6   3.4    36.4
      .50 inches or more     .3    .1    .5    .3    .4    .4    .1    .3    .3    .2    .3    .1     3.0
      1.00 inches or more    .0    .0    .0    .0    .1    .0    .0    .1    .0    .0    .1    .0      .2
Degree Days
   Heating days @ 65 (F)   1149   896   821   607   380   195    58    76   261   581   902  1180    7063
   Growing days @ 50 (F)      0     0     3    35   142   290   505   459   222    48     2     0    1731