STATION:  REDMOND ROBERTS FIELD AIRPORT (KRDM), OR

CLIMATOLOGICAL SUMMARY.  Period of Record: Sep 1996 to Dec 2008

Summaries based on unedited daily ASOS data.  Errors may be present.

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TEMPERATURE (F)     |   Jan   Feb   Mar   Apr   May   Jun   Jul   Aug   Sep   Oct   Nov   Dec |   Year
                    |                                                                         |
Avg Max Temp        |  42.8  47.3  54.9  59.0  68.7  77.1  88.0  85.4  76.5  63.5  49.4  41.7 |   62.9
Avg Min Temp        |  23.3  23.0  25.4  28.3  35.6  40.4  47.1  44.6  37.1  30.4  25.5  22.4 |   31.9
Avg Temperature     |  33.0  35.1  40.1  43.7  52.2  58.8  67.5  65.0  56.8  47.0  37.4  32.0 |   47.4
                    |                                                                         |
Extremes:           |                                                                         |
    Extreme Max Temp|    64    68    79    84    97   100   105   106   101    91    75    67 |    106
                    |                                                                         |
    Date of Ext-Day |    31    22    29    26    17    29    12    16    03    01    17    01 |
               -Year|  2003  2002  2004  2004  2008  2008  2002  2008  2003  2001  2008  2008 |
                    |                                                                         |
    Extreme Min Temp|    -8    -5     5    10    18    25    29    28    18    -3     0   -12 |    -12
                    |                                                                         |
    Date of Ext-Day |    22    19    29    09    08    08    04    31    23    31    01    16 |
               -Year|  2008  2006  2008  2001  2002  2002  2000  2006  2000  2002  2002  2008 |
                    |                                                                         |
Heating Degree Days |   991   843   771   640   405   214    45    75   258   558   827  1022 |   6651
Cooling Degree Days |     0     0     0     0     7    27   124    74    12     0     0     0 |    244
                    |                                                                         |
Avg Number of Days: |                                                                         |
    Max Temp >= 90  |   0.0   0.0   0.0   0.0   1.0   3.2  14.3   9.7   2.5   0.1   0.0   0.0 |   30.8
    Max Temp >= 75  |   0.0   0.0   0.5   2.0   8.3  18.6  29.3  28.2  18.9   4.6   0.1   0.0 |  110.5
    Max Temp <= 32  |   4.3   1.0   0.1   0.0   0.0   0.0   0.0   0.0   0.0   0.1   1.7   4.5 |   11.6
                    |                                                                         |
    Min Temp <= 32  |  26.4  25.9  26.2  22.7  10.5   4.6   0.2   0.3   7.9  19.3  23.3  26.4 |  193.8
    Min Temp <= 20  |   9.5   9.4   7.2   3.1   0.8   0.0   0.0   0.0   0.2   2.6   8.9  12.5 |   54.2
    Min Temp  <= 0  |   1.4   0.1   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.1   0.1   0.9 |    2.6
                    |                                                                         |
Avg Dew Point Temp  |  25.7  25.1  26.9  29.9  35.8  38.9  42.7  41.4  35.9  32.1  28.3  25.4 |   32.3
Avg Wet Bulb Temp   |  30.1  31.0  34.9  38.1  44.9  49.3  54.6  52.9  46.9  40.1  33.7  29.5 |   40.5
                    |                                                                         |
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                    |                                                                         |
Avg Sea Level Pres  | 30.16 30.13 30.09 30.01 30.00 29.99 29.97 29.98 30.01 30.09 30.17 30.16 |  30.06
(Inches of Mercury) |                                                                         |
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                    |                                                                         |
WEATHER             |   Jan   Feb   Mar   Apr   May   Jun   Jul   Aug   Sep   Oct   Nov   Dec |   Year
See disclaimer below|                                                                         |
                    |                                                                         |
Avg Number of Days: |                                                                         |
    Thunderstorms   |   0.9   0.0   0.2   0.7   2.0   1.8   1.6   2.8   0.6   0.0   0.3   0.4 |   11.3
    Heavy Fog       |   4.6   1.9   0.9   0.4   0.3   0.1   0.0   0.1   0.2   0.4   2.2   4.9 |   16.1
    Fog             |  12.7   7.2   5.9   6.0   3.8   2.1   1.3   2.8   1.9   3.9   8.4  12.2 |   68.2
    Hail            |   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0 |    0.0
                    |                                                                         |
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                    |                                                                         |
PRECIPITATION (In)  |   Jan   Feb   Mar   Apr   May   Jun   Jul   Aug   Sep   Oct   Nov   Dec |   Year
                    |                                                                         |
Average Monthly     |  0.77  0.53  0.46  0.78  0.91  0.44  0.25  0.39  0.31  0.65  0.73  1.14 |   7.36
                    |                                                                         |
Maximum Daily       |  0.45  0.52  0.49  0.82  0.86  0.47  0.61  0.78  0.42  0.80  0.43  0.79 |   0.86
                    |                                                                         |
    Date of Ext-Day |    03    17    25    23    30    02    18    18    25    01    05    08 |
               -Year|  2007  2004  2006  2005  2003  2006  2000  2008  2001  2005  2005  2004 |
                    |                                                                         |
Avg Number of Days: |                                                                         |
    >= 0.01         |   9.3   5.4   6.8   8.6   7.2   4.7   2.8   3.3   3.0   6.1   8.7  11.3 |   77.1
    >= 0.10         |   2.6   1.8   1.2   2.7   2.6   1.2   0.8   1.0   1.0   1.8   2.4   3.6 |   22.7
    >= 0.25         |   0.6   0.6   0.6   0.7   1.0   0.8   0.1   0.4   0.4   0.8   0.8   1.1 |    8.0
    >= 0.50         |   0.0   0.1   0.0   0.2   0.4   0.0   0.1   0.2   0.0   0.2   0.0   0.4 |    1.8
    >= 1.00         |   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0 |    0.0
                    |                                                                         |
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                    |                                                                         |
WIND (MPH)          |   Jan   Feb   Mar   Apr   May   Jun   Jul   Aug   Sep   Oct   Nov   Dec |   Year
                    |                                                                         |
Daily Avg Wind Speed|   6.2   5.9   7.2   7.0   7.2   7.4   6.7   6.5   6.0   5.9   6.1   6.1 |    6.5
Daily Avg Max 2-Min |  16.7  16.2  19.8  19.9  20.1  20.6  19.2  18.7  17.3  16.4  15.9  16.7 |   18.1
Daily Avg Peak Gust |  20.8  20.0  24.6  24.8  25.1  25.9  24.1  23.4  21.4  20.3  20.0  21.0 |   22.6
                    |                                                                         |
Maximum Daily Avg   |  18.6  14.5  17.8  17.2  14.5  17.9  12.3  14.5  14.8  15.9  18.6  19.0 |   19.0
                    |                                                                         |
Maximum 2-Minute Avg|    37    35    39    40    33    35    36    36    35    37    36    38 |     40
                    |                                                                         |
Date of Max 2min-Day|    30    20    18    30    04    01    21    08    29    18    04    30 |
               -Year|  2004  2007  2004  2001  2003  2001  2008  2006  2002  2007  2000  2002 |
                    |                                                                         |
Maximum Peak Gust   |    52    44    51    47    40    45    51    44    41    46    46    55 |     55
                    |                                                                         |
Date of Max Gust-Day|    30    20    18    30    16    21    21    08    29    18    04    30 |
               -Year|  2004  2007  2004  2001  2008  2008  2008  2006  2002  2007  2000  2002 |
                    |                                                                         |
Avg Number of Days: |                                                                         |
   Peak Gust >=30   |   6.2   3.2   8.4   6.5   7.9   6.8   3.1   3.2   2.8   3.7   5.6   6.2 |   63.6
   Peak Gust >=40   |   0.9   0.4   1.4   0.4   0.2   0.9   0.1   0.2   0.1   0.2   0.8   1.8 |    7.4
   Peak Gust >=50   |   0.1   0.0   0.1   0.0   0.0   0.0   0.1   0.0   0.0   0.0   0.0   0.3 |    0.7
                    |                                                                         |
   Max 2-Minute >=30|   1.1   1.1   2.2   1.4   1.3   1.0   0.2   0.3   0.3   0.8   1.3   0.0 |   11.3
   Max 2-Minute >=40|   0.0   0.0   0.0   0.1   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0 |    0.1
                    |                                                                         |
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Observations of WEATHER may me innacurate due to early ASOS inconsistancies.  Average days
with Thunderstorms may be low due to early mis-detection.

Heavy Fog = Visibility less than or equal to 1/4 mile.
Fog = Visibility greater than 1/4 mile or less than 7 miles.
Peak Gust = Maximum 5-second average.
Snowfall data not observed at ASOS stations.

Copyright ©2009 Western Regional Climate Center - Desert Research Institute - Reno, Nevada.