Monthly Means and Extremes
Grizzly, Oregon
1971-2000

Parameter                 Jan       Feb       Mar       Apr       May       Jun       Jul       Aug       Sep       Oct       Nov       Dec       Year
Mean Temperature(F)
   Maximum                   40.9      44.4      50.2      56.7      63.5      72.9      82.0      82.8      73.8      62.6      47.1      41.0      60.0
   Minimum                   21.8      24.2      26.5      28.9      32.7      38.4      41.9      42.0      36.3      30.7      26.6      22.1      31.3
   Mean                      31.3      34.3      38.4      42.8      47.9      55.7      62.0      62.4      55.2      46.6      36.9      31.6      45.7
Extreme Temperature(F)
   Maximum                    66        74        76        84        96        98       102       104        99        89        73        69       102
   Minimum                   -24       -18        3         11        11        19        25        28        15        0        -14       -29       -18
Precipitation(inches)
   Monthly mean              1.58      1.15      1.24      1.20      1.42      0.98      0.57      0.72      0.60      0.90      1.82      1.24     12.76
   Extreme 24 hr             1.98      0.93      0.90      1.49      1.66      1.13      1.10      1.33      1.63      1.38      2.75      1.20      1.66
Snowfall(inches)
   Monthly mean              6.47      4.53      3.19      1.15      .30       .00       .00       .00       .00       .64       4.13      5.35     27.69
Average number of days
   Temperature
      Maximum 90 or more      .0        .0        .0        .0        .2       1.1       6.9       7.8        .7        .0        .0        .0       15.5
      Maximum 32 or less     5.5       2.5        .2        .0        .0        .0        .0        .0        .0        .1       1.5       4.9       14.0
      Minimum 32 or less     25.2      23.6      24.9      20.5      14.8      6.1       2.1       1.3       8.1       18.1      21.6      25.4     187.4
      Minimum 0 or less      1.7        .8        .0        .0        .0        .0        .0        .0        .0        .0        .5       1.2       3.4
   Precipitation
      .01 inches or more     8.1       7.8       8.2       7.3       6.8       4.7       3.0       2.9       3.2       5.8       10.3      7.2       74.6
      .10 inches or more     5.0       4.4       4.9       4.6       4.7       3.1       1.7       2.0       2.1       3.5       5.2       4.2       43.0
      .50 inches or more      .8        .3        .2        .4        .7        .3        .3        .4        .2        .2        .7        .5       4.7
      1.00 inches or more     .0        .0        .0        .0        .2        .1        .1        .1        .1        .0        .2        .1       1.0
Degree Days
   Heating days @ 65        1043.6    866.9     826.0     666.0     531.5     289.8     137.8     125.5     299.4     571.5     843.4     1036.2    7130.5
   Growing days @ 50          .2       1.0       2.3       18.2      65.9     193.8     373.3     384.6     185.0      49.0      3.9        .5      1298.9