STATION:  WINNEMUCCA MUNICIPAL AIRPORT (KWMC), NV

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        |  41.9  46.5  56.5  61.2  73.0  83.7  94.7  91.8  81.0  66.8  52.6  42.2 |   66.0
Avg Min Temp        |  19.4  23.2  25.5  30.4  37.7  45.1  52.3  48.5  39.2  28.4  22.8  18.0 |   32.6
Avg Temperature     |  30.6  34.9  41.0  45.8  55.3  64.4  73.5  70.2  60.1  47.6  37.7  30.1 |   49.3
                    |                                                                         |
Extremes:           |                                                                         |
    Extreme Max Temp|    67    65    80    85    98   101   109   103   105    91    75    67 |    109
                    |                                                                         |
    Date of Ext-Day |    31    24    21    27    28    21    11    05    14    09    07    03 |
               -Year|  2003  1999  2004  2000  2003  2001  2002  1998  2001  1996  1999  2007 |
                    |                                                                         |
    Extreme Min Temp|   -12     2     4    11    10    23    35    32    20    -2    -7   -14 |    -14
                    |                                                                         |
    Date of Ext-Day |    13    03    18    06    08    04    01    08    25    31    29    21 |
               -Year|  2007  2007  2002  1997  2002  2001  1997  2002  2007  2002  2006  1998 |
                    |                                                                         |
Heating Degree Days |  1065   851   745   575   312    97     3    13   177   539   819  1082 |   6280
Cooling Degree Days |     0     0     0     0    13    79   267   174    31     0     0     0 |    565
                    |                                                                         |
Avg Number of Days: |                                                                         |
    Max Temp >= 90  |   0.0   0.0   0.0   0.0   1.7  10.6  25.8  21.5   5.7   0.2   0.0   0.0 |   65.5
    Max Temp >= 75  |   0.0   0.0   1.0   3.4  15.5  24.2  31.0  30.7  22.2   9.1   0.2   0.0 |  137.3
    Max Temp <= 32  |   3.8   1.1   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.7   4.2 |    9.8
                    |                                                                         |
    Min Temp <= 32  |  28.3  25.2  25.2  17.9   7.6   1.2   0.0   0.1   6.3  21.5  25.1  28.1 |  186.6
    Min Temp <= 20  |  16.7  10.3   8.0   2.8   1.0   0.0   0.0   0.0   0.1   4.0  11.7  18.4 |   73.0
    Min Temp  <= 0  |   0.9   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.1   0.3   1.9 |    3.2
                    |                                                                         |
Avg Dew Point Temp  |  22.6  24.1  24.1  27.2  32.1  34.1  36.5  33.7  30.0  25.0  24.7  21.4 |   28.0
Avg Wet Bulb Temp   |  27.6  30.3  34.3  38.0  45.0  50.0  54.5  52.2  46.0  38.0  32.3  26.9 |   39.6
                    |                                                                         |
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                    |                                                                         |
Avg Sea Level Pres  | 30.18 30.12 30.06 29.98 29.93 29.89 29.90 29.91 29.96 30.06 30.16 30.21 |  30.03
(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   |   0.0   0.0   0.5   1.4   2.9   2.8   2.9   2.5   1.7   0.2   0.2   0.1 |   15.2
    Heavy Fog       |   2.3   1.5   1.2   0.9   0.0   0.0   0.0   0.0   0.0   0.2   1.3   1.2 |    8.6
    Fog             |  10.2   8.6   5.8   6.2   3.8   1.5   0.2   0.4   1.5   2.5   5.5   7.8 |   53.8
    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     |  1.11  0.83  0.62  1.02  1.00  0.58  0.16  0.10  0.51  0.71  0.86  1.04 |   8.54
                    |                                                                         |
Maximum Daily       |  0.88  0.50  0.65  1.20  1.15  0.71  0.35  0.29  1.04  0.97  0.96  0.98 |   1.20
                    |                                                                         |
    Date of Ext-Day |    02    19    22    05    10    13    21    31    09    11    29    01 |
               -Year|  2006  2002  2005  2006  1998  1997  2008  2000  1998  2006  2007  2007 |
                    |                                                                         |
Avg Number of Days: |                                                                         |
    >= 0.01         |  10.9   9.1   7.4   8.6   6.3   4.5   4.4   3.4   5.2   5.0   7.9   9.7 |   82.2
    >= 0.10         |   3.8   3.0   1.9   2.5   3.4   1.8   0.3   0.2   1.5   2.4   2.9   3.3 |   26.9
    >= 0.25         |   1.2   0.9   0.6   1.2   1.3   1.1   0.1   0.1   0.7   0.9   1.0   1.1 |   10.1
    >= 0.50         |   0.3   0.1   0.1   0.4   0.3   0.2   0.0   0.0   0.1   0.2   0.2   0.3 |    2.1
    >= 1.00         |   0.0   0.0   0.0   0.1   0.1   0.0   0.0   0.0   0.1   0.0   0.0   0.0 |    0.2
                    |                                                                         |
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                    |                                                                         |
WIND (MPH)          |   Jan   Feb   Mar   Apr   May   Jun   Jul   Aug   Sep   Oct   Nov   Dec |   Year
                    |                                                                         |
Daily Avg Wind Speed|   7.0   7.5   7.7   8.0   7.8   8.0   7.4   7.2   6.7   6.5   6.5   7.0 |    7.3
Daily Avg Max 2-Min |  16.8  18.1  19.4  21.0  21.1  21.6  21.7  20.7  18.7  17.2  16.8  17.0 |   19.2
Daily Avg Peak Gust |  20.3  21.9  24.1  26.5  26.8  27.4  27.6  26.2  23.7  21.1  20.3  20.9 |   23.9
                    |                                                                         |
Maximum Daily Avg   |  21.4  23.2  18.4  19.0  15.5  15.1  14.8  14.7  13.7  16.2  20.3  20.1 |   23.2
                    |                                                                         |
Maximum 2-Minute Avg|    44    48    39    43    40    45    46    51    39    48    48    43 |     51
                    |                                                                         |
Date of Max 2min-Day|    01    09    25    14    15    30    04    12    12    24    23    14 |
               -Year|  2004  1999  2006  2008  2006  1997  2001  1996  2001  1996  1998  2002 |
                    |                                                                         |
Maximum Peak Gust   |    59    55    49    59    66    56    59    57    47    54    57    53 |     66
                    |                                                                         |
Date of Max Gust-Day|    28    14    25    02    15    13    11    12    30    24    23    31 |
               -Year|  2008  2000  2006  2003  2006  2006  2007  1996  2008  1996  1998  2005 |
                    |                                                                         |
Avg Number of Days: |                                                                         |
   Peak Gust >=30   |   3.8   4.1   7.0   9.6   9.8   9.2  10.0   8.3   5.3   4.0   3.9   5.2 |   80.1
   Peak Gust >=40   |   1.1   1.3   1.2   1.8   1.5   1.8   1.4   0.8   0.9   0.5   1.2   1.5 |   15.0
   Peak Gust >=50   |   0.2   0.3   0.0   0.3   0.1   0.4   0.5   0.2   0.0   0.1   0.2   0.3 |    2.7
                    |                                                                         |
   Max 2-Minute >=30|   1.8   1.8   2.1   3.1   2.3   2.5   3.2   1.6   1.5   0.8   1.6   0.0 |   22.3
   Max 2-Minute >=40|   0.2   0.3   0.0   0.2   0.1   0.3   0.3   0.2   0.0   0.1   0.3   0.0 |    1.9
                    |                                                                         |
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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.