STATION:  MEDFORD AIRPORT (KMFR), OR

CLIMATOLOGICAL SUMMARY.  Period of Record: Jul 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        |  47.7  53.8  58.9  64.0  73.4  81.5  92.0  90.8  83.7  69.2  53.8  46.0 |   67.9
Avg Min Temp        |  32.3  33.5  36.5  39.9  46.6  51.9  59.0  57.4  49.7  41.2  36.6  32.6 |   43.1
Avg Temperature     |  40.0  43.6  47.7  52.0  60.0  66.7  75.5  74.1  66.7  55.2  45.2  39.3 |   55.5
                    |                                                                         |
Extremes:           |                                                                         |
    Extreme Max Temp|    67    70    81    90   102   105   108   108   104    94    77    65 |    108
                    |                                                                         |
    Date of Ext-Day |    12    09    29    26    16    25    10    04    02    08    06    14 |
               -Year|  2004  2006  2004  2004  2008  2006  2002  1998  2003  1996  1999  2002 |
                    |                                                                         |
    Extreme Min Temp|    17    20    23    26    30    38    46    43    35    19    21     6 |      6
                    |                                                                         |
    Date of Ext-Day |    13    07    01    02    02    09    05    31    27    31    12    21 |
               -Year|  2007  2001  2002  1999  2001  1999  1996  1999  1999  2002  2000  1998 |
                    |                                                                         |
Heating Degree Days |   776   604   536   393   193    53     2     3    55   309   593   797 |   4314
Cooling Degree Days |     0     0     0     2    38   103   328   286   107     5     0     0 |    869
                    |                                                                         |
Avg Number of Days: |                                                                         |
    Max Temp >= 90  |   0.0   0.0   0.0   0.1   3.0   6.2  20.2  18.6   9.3   0.5   0.0   0.0 |   57.9
    Max Temp >= 75  |   0.0   0.0   1.9   5.6  13.8  23.0  30.4  29.9  23.9  10.2   0.2   0.0 |  138.9
    Max Temp <= 32  |   0.1   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.8 |    0.9
                    |                                                                         |
    Min Temp <= 32  |  15.4  12.2   7.6   2.3   0.5   0.0   0.0   0.0   0.0   2.8   7.7  15.4 |   64.0
    Min Temp <= 20  |   0.9   0.2   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.1   0.0   0.9 |    2.1
    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  |  34.3  34.3  36.3  38.3  42.7  46.1  50.0  48.8  44.1  40.4  38.4  34.8 |   40.7
Avg Wet Bulb Temp   |  37.1  39.2  42.0  45.0  50.6  55.3  60.4  59.2  54.2  47.3  41.5  37.1 |   47.4
                    |                                                                         |
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                    |                                                                         |
Avg Sea Level Pres  | 30.16 30.11 30.10 30.04 30.01 29.98 29.95 29.95 29.97 30.07 30.14 30.19 |  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   |   0.5   0.2   0.2   1.1   1.0   1.1   1.2   1.4   0.7   0.4   0.2   1.1 |    9.0
    Heavy Fog       |  10.9   3.3   1.8   0.6   0.2   0.2   0.0   0.0   0.0   2.2   7.0  10.0 |   36.2
    Fog             |  23.3  13.9  10.6   8.7   5.0   1.8   0.2   0.9   1.5   6.5  17.0  19.5 |  108.9
    Hail            |   0.0   0.0   0.0   0.1   0.0   0.0   0.1   0.0   0.0   0.0   0.0   0.0 |    0.2
                    |                                                                         |
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                    |                                                                         |
PRECIPITATION (In)  |   Jan   Feb   Mar   Apr   May   Jun   Jul   Aug   Sep   Oct   Nov   Dec |   Year
                    |                                                                         |
Average Monthly     |  3.00  2.11  1.64  1.70  1.31  0.41  0.15  0.41  0.37  1.23  3.35  3.53 |  19.20
                    |                                                                         |
Maximum Daily       |  1.72  1.68  0.90  0.86  0.72  0.67  0.40  1.15  0.76  0.91  2.68  2.68 |   2.68
                    |                                                                         |
    Date of Ext-Day |    10    21    27    18    19    29    07    10    09    22    21    27 |
               -Year|  2000  1998  2005  2000  2006  1997  2000  1999  2003  2004  1998  2002 |
                    |                                                                         |
Avg Number of Days: |                                                                         |
    >= 0.01         |  15.2  12.2  12.2  11.5   9.0   3.4   1.7   2.3   4.0   7.8  14.3  14.6 |  108.3
    >= 0.10         |   8.6   5.6   5.6   5.7   4.4   1.4   0.5   0.9   1.2   3.2   8.2   7.4 |   52.7
    >= 0.25         |   3.9   2.8   2.1   2.4   1.6   0.5   0.2   0.6   0.5   1.7   4.2   4.2 |   24.7
    >= 0.50         |   1.4   1.1   0.3   0.6   0.4   0.1   0.0   0.2   0.1   0.8   1.9   2.2 |    8.9
    >= 1.00         |   0.4   0.2   0.0   0.0   0.0   0.0   0.0   0.1   0.0   0.0   0.5   0.7 |    1.9
                    |                                                                         |
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                    |                                                                         |
WIND (MPH)          |   Jan   Feb   Mar   Apr   May   Jun   Jul   Aug   Sep   Oct   Nov   Dec |   Year
                    |                                                                         |
Daily Avg Wind Speed|   3.0   3.9   4.0   4.4   4.8   5.3   5.0   4.4   3.4   2.7   2.8   3.1 |    3.9
Daily Avg Max 2-Min |  12.1  13.7  14.4  16.0  15.4  16.2  15.8  14.8  13.0  11.5  11.0  12.0 |   13.8
Daily Avg Peak Gust |  14.3  16.7  17.9  19.7  19.4  20.4  19.8  18.6  16.2  14.3  13.4  14.5 |   17.1
                    |                                                                         |
Maximum Daily Avg   |  17.0  19.3  16.7  12.3  13.3  11.0  10.2   8.5   8.4  12.5  19.0  19.8 |   19.8
                    |                                                                         |
Maximum 2-Minute Avg|    41    41    43    35    37    40    30    43    47    41    35    40 |     47
                    |                                                                         |
Date of Max 2min-Day|    28    06    04    13    14    28    07    23    27    27    06    19 |
               -Year|  1998  1998  2001  2005  2000  2008  2000  1999  1998  2008  2002  2002 |
                    |                                                                         |
Maximum Peak Gust   |    49    51    51    40    43    51    43    54    59    49    44    49 |     59
                    |                                                                         |
Date of Max Gust-Day|    28    25    04    13    14    28    07    23    27    27    29    30 |
               -Year|  1998  2004  2001  2005  2000  2008  2000  1999  1998  2008  1999  2002 |
                    |                                                                         |
Avg Number of Days: |                                                                         |
   Peak Gust >=30   |   3.0   3.9   3.5   2.3   1.3   0.8   0.5   0.3   0.4   1.2   2.4   3.7 |   23.1
   Peak Gust >=40   |   0.9   1.0   0.5   0.1   0.1   0.1   0.2   0.1   0.1   0.2   0.6   0.8 |    4.7
   Peak Gust >=50   |   0.0   0.1   0.1   0.0   0.0   0.1   0.0   0.1   0.1   0.0   0.0   0.0 |    0.4
                    |                                                                         |
   Max 2-Minute >=30|   1.7   1.7   1.1   0.2   0.3   0.2   0.2   0.1   0.1   0.3   0.9   0.0 |    6.6
   Max 2-Minute >=40|   0.1   0.2   0.1   0.0   0.0   0.1   0.0   0.1   0.1   0.1   0.0   0.0 |    0.7
                    |                                                                         |
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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.