STATION:  ELKO REGIONAL AIRPORT (KEKO), 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        |  36.4  40.0  52.6  59.3  70.3  80.7  91.5  88.8  78.1  64.9  50.8  38.2 |   62.6
Avg Min Temp        |  14.0  18.1  24.6  30.6  37.4  43.7  50.4  47.3  38.0  28.0  22.1  15.2 |   30.8
Avg Temperature     |  25.2  29.1  38.6  44.9  53.8  62.2  70.9  68.1  58.1  46.5  36.4  26.7 |   46.7
                    |                                                                         |
Extremes:           |                                                                         |
    Extreme Max Temp|    65    64    78    86    97    98   109   101    96    86    73    62 |    109
                    |                                                                         |
    Date of Ext-Day |    31    28    21    13    28    29    05    01    03    01    07    03 |
               -Year|  2003  1999  2004  2001  2003  2003  2001  2000  2007  2001  2006  2007 |
                    |                                                                         |
    Extreme Min Temp|   -19    -9     2    12    15    26    34    29    12     3    -6   -10 |    -19
                    |                                                                         |
    Date of Ext-Day |    30    13    11    21    08    01    05    31    24    31    30    23 |
               -Year|  2002  2004  2004  2008  2002  2000  2000  1999  2000  2002  2004  1998 |
                    |                                                                         |
Heating Degree Days |  1234  1016   818   602   354   126     9    26   223   575   856  1188 |   7027
Cooling Degree Days |     0     0     0     0     7    43   192   122    15     0     0     0 |    380
                    |                                                                         |
Avg Number of Days: |                                                                         |
    Max Temp >= 90  |   0.0   0.0   0.0   0.0   0.8   6.2  20.4  15.8   1.8   0.0   0.0   0.0 |   44.9
    Max Temp >= 75  |   0.0   0.0   0.3   2.4  12.5  22.2  30.6  30.2  21.0   5.6   0.0   0.0 |  124.7
    Max Temp <= 32  |  10.5   4.8   0.5   0.0   0.0   0.0   0.0   0.0   0.0   0.0   1.1   8.8 |   25.7
                    |                                                                         |
    Min Temp <= 32  |  30.6  27.2  27.7  18.2   7.2   0.9   0.0   0.2   7.0  22.6  26.4  29.3 |  197.2
    Min Temp <= 20  |  20.6  15.8   7.9   1.9   0.5   0.0   0.0   0.0   0.5   5.6  12.8  21.5 |   87.0
    Min Temp  <= 0  |   4.3   1.7   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.6   1.8 |    8.3
                    |                                                                         |
Avg Dew Point Temp  |  16.7  19.2  23.8  27.1  31.2  31.9  37.0  33.3  28.6  25.0  23.4  19.5 |   26.4
Avg Wet Bulb Temp   |  20.8  24.3  32.3  37.3  43.8  48.4  54.4  51.4  44.6  37.2  30.7  24.4 |   37.5
                    |                                                                         |
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                    |                                                                         |
Avg Sea Level Pres  | 30.27 30.17 30.08 29.98 29.95 29.91 29.91 29.93 29.99 30.07 30.19 30.20 |  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   |   0.0   0.3   0.5   1.0   1.1   1.2   2.9   2.2   1.2   0.5   0.1   0.1 |   11.1
    Heavy Fog       |   2.9   2.0   1.5   1.3   0.2   0.1   0.0   0.0   0.0   0.5   1.2   1.5 |   11.2
    Fog             |   8.9   7.3   6.2   6.6   3.0   0.8   0.3   0.8   1.6   2.8   5.0   6.6 |   49.9
    Hail            |   0.0   0.0   0.0   0.3   0.2   0.0   0.0   0.0   0.0   0.0   0.0   0.0 |    0.4
                    |                                                                         |
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                    |                                                                         |
PRECIPITATION (In)  |   Jan   Feb   Mar   Apr   May   Jun   Jul   Aug   Sep   Oct   Nov   Dec |   Year
                    |                                                                         |
Average Monthly     |  1.35  0.92  0.74  1.17  0.88  0.54  0.50  0.35  0.51  0.80  0.95  1.07 |   9.79
                    |                                                                         |
Maximum Daily       |  0.81  0.46  0.90  0.72  0.98  0.66  1.28  0.69  0.72  0.79  0.70  1.14 |   1.28
                    |                                                                         |
    Date of Ext-Day |    22    13    17    05    16    04    08    21    19    02    21    31 |
               -Year|  1997  2000  2006  2006  2005  1997  2001  2003  2004  2005  2001  2005 |
                    |                                                                         |
Avg Number of Days: |                                                                         |
    >= 0.01         |   9.5   9.2   7.0   9.9   7.2   4.3   3.5   3.2   5.1   5.9   6.7   8.8 |   80.4
    >= 0.10         |   3.8   3.9   2.5   3.5   2.9   1.7   1.1   1.0   1.4   2.5   2.8   3.8 |   30.9
    >= 0.25         |   1.9   0.5   0.8   1.4   1.2   0.5   0.5   0.4   0.7   1.3   1.2   1.3 |   11.7
    >= 0.50         |   0.8   0.0   0.1   0.5   0.2   0.2   0.4   0.2   0.2   0.2   0.5   0.2 |    3.3
    >= 1.00         |   0.0   0.0   0.0   0.0   0.0   0.0   0.1   0.0   0.0   0.0   0.0   0.1 |    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|   4.6   5.2   6.0   6.9   6.3   6.4   5.7   5.5   5.3   4.8   4.7   5.3 |    5.6
Daily Avg Max 2-Min |  13.5  14.9  18.8  21.3  21.1  21.5  22.2  20.5  18.6  16.2  15.3  15.6 |   18.3
Daily Avg Peak Gust |  16.4  18.0  23.4  26.5  26.7  27.5  28.6  26.3  24.0  20.4  18.7  19.1 |   23.0
                    |                                                                         |
Maximum Daily Avg   |  16.7  16.2  14.4  19.9  14.8  14.9  11.8  12.6  14.1  13.7  16.4  17.8 |   19.9
                    |                                                                         |
Maximum 2-Minute Avg|    40    43    40    41    43    43    45    45    49    36    40    45 |     49
                    |                                                                         |
Date of Max 2min-Day|    04    04    25    13    10    22    05    30    15    10    22    13 |
               -Year|  2008  2006  2006  2005  2004  2005  2002  2007  2006  2007  2001  2008 |
                    |                                                                         |
Maximum Peak Gust   |    53    48    49    61    48    63    60    54    55    47    49    59 |     63
                    |                                                                         |
Date of Max Gust-Day|    04    04    25    14    10    03    05    30    15    17    22    13 |
               -Year|  2008  2006  2006  2008  2004  2008  2002  2007  2006  2004  2001  2008 |
                    |                                                                         |
Avg Number of Days: |                                                                         |
   Peak Gust >=30   |   2.6   2.6   7.0  10.8   9.9  10.4  13.0   8.8   6.2   4.2   3.8   5.2 |   84.5
   Peak Gust >=40   |   0.9   0.9   1.1   1.9   2.1   1.6   3.2   1.5   1.3   0.8   1.1   1.4 |   17.7
   Peak Gust >=50   |   0.3   0.0   0.0   0.1   0.0   0.2   0.6   0.3   0.3   0.0   0.0   0.1 |    1.9
                    |                                                                         |
   Max 2-Minute >=30|   1.3   0.9   1.9   4.0   3.3   2.4   3.9   2.3   1.6   1.1   1.6   0.0 |   24.3
   Max 2-Minute >=40|   0.1   0.1   0.1   0.3   0.3   0.2   0.4   0.3   0.3   0.0   0.1   0.0 |    2.2
                    |                                                                         |
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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.