STATION:  MC MINNVILLE MUNICIPAL APT (KMMV), OR

CLIMATOLOGICAL SUMMARY.  Period of Record: Jun 1997 to Dec 2008

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

-----------------------------------------------------------------------------------------------

TEMPERATURE (F)     |   Jan   Feb   Mar   Apr   May   Jun   Jul   Aug   Sep   Oct   Nov   Dec |   Year
                    |                                                                         |
Avg Max Temp        |  47.0  51.3  55.4  60.5  66.9  73.6  82.9  82.8  77.2  63.6  52.6  46.3 |   63.3
Avg Min Temp        |  35.5  35.7  37.4  39.1  44.2  48.2  52.0  52.0  47.8  42.8  38.9  35.1 |   42.4
Avg Temperature     |  41.3  43.5  46.4  49.8  55.6  60.9  67.5  67.4  62.5  53.2  45.7  40.7 |   52.9
                    |                                                                         |
Extremes:           |                                                                         |
    Extreme Max Temp|    65    66    75    83    97   103   106   103    98    85    68    64 |    106
                    |                                                                         |
    Date of Ext-Day |    18    23    29    29    16    26    21    13    27    04    13    25 |
               -Year|  2005  2005  2004  1998  2008  2006  2006  2002  2003  2001  1999  1998 |
                    |                                                                         |
    Extreme Min Temp|    18    22    26    27    30    36    40    38    32    26    19    11 |     11
                    |                                                                         |
    Date of Ext-Day |    06    10    01    07    08    10    15    31    27    30    02    16 |
               -Year|  2004  2005  2002  2001  2002  1999  2000  2008  1999  2006  2002  2008 |
                    |                                                                         |
Heating Degree Days |   736   607   576   455   302   150    26    28   112   367   578   754 |   4692
Cooling Degree Days |     0     0     0     0    10    27   103   102    39     1     0     0 |    281
                    |                                                                         |
Avg Number of Days: |                                                                         |
    Max Temp >= 90  |   0.0   0.0   0.0   0.0   0.5   1.7   6.1   7.2   2.5   0.0   0.0   0.0 |   18.1
    Max Temp >= 75  |   0.0   0.0   0.1   2.3   5.5  10.9  26.2  25.8  17.9   3.2   0.0   0.0 |   91.9
    Max Temp <= 32  |   0.5   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.9 |    1.3
                    |                                                                         |
    Min Temp <= 32  |  10.8   8.3   6.1   2.9   0.5   0.0   0.0   0.0   0.1   2.3   5.9  10.3 |   47.2
    Min Temp <= 20  |   0.2   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.1   0.7 |    1.0
    Min Temp  <= 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 |    0.0
                    |                                                                         |
Avg Dew Point Temp  |  37.1  36.2  39.8  41.4  46.1  49.4  52.2  52.1  48.7  45.0  40.7  36.9 |   43.8
Avg Wet Bulb Temp   |  39.3  40.3  43.2  45.7  50.4  54.5  58.4  58.2  54.7  49.0  43.0  39.2 |   48.0
                    |                                                                         |
------------------------------------------------------------------------------------------------------
                    |                                                                         |
Avg Sea Level Pres  | 30.12 30.14 30.10 30.07 30.07 30.05 30.04 30.02 30.02 30.11 30.13 30.19 |  30.09
(Inches of Mercury) |                                                                         |
------------------------------------------------------------------------------------------------------
                    |                                                                         |
WEATHER             |   Jan   Feb   Mar   Apr   May   Jun   Jul   Aug   Sep   Oct   Nov   Dec |   Year
See disclaimer below|                                                                         |
                    |                                                                         |
Avg Number of Days: |                                                                         |
    Thunderstorms   |   0.0   0.1   0.2   0.1   0.6   0.3   0.4   0.4   0.5   0.3   0.1   0.1 |    3.1
    Heavy Fog       |   7.8   3.8   3.3   1.8   1.3   0.8   0.6   0.9   2.2   8.3   5.7   6.4 |   42.9
    Fog             |  23.6  17.7  17.7  14.1  13.2  10.4   5.7   6.7  11.6  20.0  20.6  21.1 |  182.4
    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
                    |                                                                         |
------------------------------------------------------------------------------------------------------
                    |                                                                         |
PRECIPITATION (In)  |   Jan   Feb   Mar   Apr   May   Jun   Jul   Aug   Sep   Oct   Nov   Dec |   Year
                    |                                                                         |
Average Monthly     |  6.30  3.99  3.78  2.09  2.05  1.22  0.20  0.51  1.11  2.72  5.86  6.12 |  35.94
                    |                                                                         |
Maximum Daily       |  1.72  1.45  1.25  0.95  1.07  0.84  0.29  0.84  1.11  1.21  2.60  2.23 |   2.60
                    |                                                                         |
    Date of Ext-Day |    31    17    26    12    14    28    08    22    30    29    25    27 |
               -Year|  2003  2003  2005  2003  2001  2002  1997  2001  2005  1997  1998  1998 |
                    |                                                                         |
Avg Number of Days: |                                                                         |
    >= 0.01         |  21.9  17.0  20.3  16.8  14.4   8.7   2.6   3.5   7.2  16.6  19.9  20.2 |  168.9
    >= 0.10         |  13.8  10.6  10.8   7.0   6.4   3.8   0.8   1.6   3.2   6.9  11.8  13.3 |   90.1
    >= 0.25         |   9.2   5.5   5.0   2.7   2.5   2.1   0.1   0.9   1.6   3.7   7.4   8.3 |   49.1
    >= 0.50         |   4.6   2.3   1.9   0.5   0.9   0.3   0.0   0.1   0.3   1.6   4.1   3.7 |   20.1
    >= 1.00         |   0.7   0.5   0.4   0.0   0.1   0.0   0.0   0.0   0.1   0.3   1.0   1.2 |    4.3
                    |                                                                         |
------------------------------------------------------------------------------------------------------
                    |                                                                         |
WIND (MPH)          |   Jan   Feb   Mar   Apr   May   Jun   Jul   Aug   Sep   Oct   Nov   Dec |   Year
                    |                                                                         |
Daily Avg Wind Speed|   6.4   6.6   6.3   5.8   5.6   5.8   5.8   5.5   5.1   5.2   6.0   6.2 |    5.9
Daily Avg Max 2-Min |  16.3  16.3  16.7  16.2  15.1  15.3  15.3  15.4  14.6  14.3  15.1  15.2 |   15.5
Daily Avg Peak Gust |  19.8  19.9  20.5  20.0  18.7  19.0  18.7  18.7  18.0  17.4  19.1  19.1 |   19.1
                    |                                                                         |
Maximum Daily Avg   |  20.5  19.8  17.3  16.9  13.5  13.8  12.5  13.3  17.8  20.2  22.5  23.8 |   23.8
                    |                                                                         |
Maximum 2-Minute Avg|    46    45    35    31    30    25    28    24    32    40    46    43 |     46
                    |                                                                         |
Date of Max 2min-Day|    01    06    20    03    02    17    28    26    16    27    23    14 |
               -Year|  2006  1999  2005  2006  2007  1997  1998  1997  1997  1999  1998  2000 |
                    |                                                                         |
Maximum Peak Gust   |    62    57    45    41    39    35    32    31    38    47    87    56 |     87
                    |                                                                         |
Date of Max Gust-Day|    29    06    03    05    02    09    29    18    14    09    20    17 |
               -Year|  2004  1999  1999  2006  2007  2008  1998  2008  1997  1997  2002  1999 |
                    |                                                                         |
Avg Number of Days: |                                                                         |
   Peak Gust >=30   |   6.1   4.4   4.1   2.1   1.3   0.6   0.3   0.3   1.0   2.4   5.2   5.4 |   33.2
   Peak Gust >=40   |   1.4   1.1   0.5   0.2   0.0   0.0   0.0   0.0   0.0   0.5   1.4   1.6 |    6.6
   Peak Gust >=50   |   0.4   0.1   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.2   0.2 |    0.8
                    |                                                                         |
   Max 2-Minute >=30|   2.5   1.9   1.1   0.5   0.1   0.0   0.0   0.0   0.3   0.9   1.8   0.0 |    9.0
   Max 2-Minute >=40|   0.2   0.1   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.1   0.1   0.0 |    0.5
                    |                                                                         |
------------------------------------------------------------------------------------------------------

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.