STATION:  RENO/TAHOE INTERNATIONAL AIRPORT (KRNO), 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        |  46.1  50.1  59.3  63.0  74.7  84.6  93.6  91.2  82.1  69.3  56.0  46.3 |   68.0
Avg Min Temp        |  24.8  27.5  31.9  36.3  45.5  52.8  58.8  56.0  48.1  37.8  30.0  24.7 |   39.5
Avg Temperature     |  35.4  38.8  45.6  49.6  60.1  68.7  76.2  73.6  65.1  53.5  43.0  35.5 |   53.8
                    |                                                                         |
Extremes:           |                                                                         |
    Extreme Max Temp|    66    73    81    86    97   102   108   103    98    90    77    68 |    108
                    |                                                                         |
    Date of Ext-Day |    01    22    20    28    28    25    10    13    03    08    01    03 |
               -Year|  1997  2002  2004  2007  2003  2006  2002  1998  2007  1996  2005  2007 |
                    |                                                                         |
    Extreme Min Temp|    -2    12     4    17    28    36    35    41    33    18     4    -3 |     -3
                    |                                                                         |
    Date of Ext-Day |    14    24    07    05    11    07    01    29    17    20    29    23 |
               -Year|  1997  1998  1998  1997  2000  2005  1997  1997  1996  1996  2004  1998 |
                    |                                                                         |
Heating Degree Days |   917   740   602   462   195    48     2     3    76   359   661   914 |   4977
Cooling Degree Days |     0     0     0     0    44   159   349   270    79     3     0     0 |    905
                    |                                                                         |
Avg Number of Days: |                                                                         |
    Max Temp >= 90  |   0.0   0.0   0.0   0.0   2.3  10.5  23.9  20.4   6.0   0.2   0.0   0.0 |   63.3
    Max Temp >= 75  |   0.0   0.0   1.5   4.8  16.9  25.4  30.9  30.6  24.1  11.5   0.2   0.0 |  146.0
    Max Temp <= 32  |   1.9   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.2   1.3 |    3.5
                    |                                                                         |
    Min Temp <= 32  |  26.2  22.4  16.5   8.6   0.7   0.0   0.0   0.0   0.0   6.8  19.2  26.5 |  126.8
    Min Temp <= 20  |   8.5   3.6   1.1   0.4   0.0   0.0   0.0   0.0   0.0   0.4   2.5   9.1 |   25.7
    Min Temp  <= 0  |   0.2   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.2 |    0.3
                    |                                                                         |
Avg Dew Point Temp  |  24.0  24.0  24.0  25.9  31.3  35.0  39.9  38.3  34.5  29.2  26.4  23.2 |   29.6
Avg Wet Bulb Temp   |  30.5  32.6  36.4  39.3  46.3  51.4  56.3  54.6  49.5  41.9  35.6  30.4 |   42.1
                    |                                                                         |
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                    |                                                                         |
Avg Sea Level Pres  | 30.16 30.08 30.04 29.96 29.92 29.88 29.91 29.92 29.95 30.04 30.12 30.18 |  30.01
(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   0.1   0.1   0.2   0.8   1.2   2.7   1.8   0.7   0.1   0.1   0.0 |    7.7
    Heavy Fog       |   1.9   0.8   0.7   0.5   0.0   0.0   0.0   0.0   0.0   0.2   0.2   1.2 |    5.5
    Fog             |  10.6   6.9   3.9   3.4   0.8   0.9   0.0   0.3   1.0   1.5   3.8   8.4 |   41.7
    Hail            |   0.0   0.0   0.1   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.1 |    0.2
                    |                                                                         |
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                    |                                                                         |
PRECIPITATION (In)  |   Jan   Feb   Mar   Apr   May   Jun   Jul   Aug   Sep   Oct   Nov   Dec |   Year
                    |                                                                         |
Average Monthly     |  1.31  0.95  0.53  0.58  0.27  0.37  0.16  0.32  0.30  0.30  0.62  1.28 |   6.99
                    |                                                                         |
Maximum Daily       |  1.91  1.12  1.21  0.57  0.24  0.59  0.51  0.59  0.43  0.70  0.68  1.42 |   1.91
                    |                                                                         |
    Date of Ext-Day |    04    25    01    25    12    06    29    02    19    19    24    31 |
               -Year|  2008  2004  2004  2006  1998  1998  2005  2002  1997  2004  2001  2005 |
                    |                                                                         |
Avg Number of Days: |                                                                         |
    >= 0.01         |   7.2   7.3   4.3   5.2   3.1   3.1   1.8   1.8   2.6   2.9   4.2   7.4 |   50.8
    >= 0.10         |   3.1   2.2   1.3   2.0   1.3   1.2   0.6   1.0   0.8   0.9   1.6   2.5 |   18.6
    >= 0.25         |   1.7   1.3   0.5   0.8   0.0   0.5   0.1   0.5   0.5   0.2   0.8   1.5 |    8.5
    >= 0.50         |   0.7   0.4   0.2   0.2   0.0   0.1   0.1   0.2   0.0   0.2   0.4   0.8 |    3.1
    >= 1.00         |   0.2   0.1   0.1   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.3 |    0.6
                    |                                                                         |
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                    |                                                                         |
WIND (MPH)          |   Jan   Feb   Mar   Apr   May   Jun   Jul   Aug   Sep   Oct   Nov   Dec |   Year
                    |                                                                         |
Daily Avg Wind Speed|   4.5   5.4   6.6   7.8   7.6   7.5   6.6   6.0   5.1   4.6   4.5   5.0 |    5.9
Daily Avg Max 2-Min |  16.1  18.6  20.8  22.7  22.3  22.9  22.4  21.0  18.7  16.7  17.0  17.5 |   19.7
Daily Avg Peak Gust |  20.5  23.2  26.2  28.4  28.3  28.7  28.5  26.6  23.7  21.2  21.3  22.3 |   24.9
                    |                                                                         |
Maximum Daily Avg   |  21.0  22.2  21.1  24.3  19.9  21.4  16.9  14.6  14.1  17.4  23.5  27.3 |   27.3
                    |                                                                         |
Maximum 2-Minute Avg|    45    51    49    52    43    45    44    40    43    49    52    67 |     67
                    |                                                                         |
Date of Max 2min-Day|    25    17    03    14    28    16    06    22    09    10    23    14 |
               -Year|  1997  2004  1999  2008  1998  2005  2007  1999  1999  2007  1998  2002 |
                    |                                                                         |
Maximum Peak Gust   |    62    61    61    63    48    54    62    49    53    61    63    82 |     82
                    |                                                                         |
Date of Max Gust-Day|    03    17    03    14    20    16    06    22    09    10    11    14 |
               -Year|  2008  2004  1999  2008  2008  2005  2007  1999  1999  2007  2006  2002 |
                    |                                                                         |
Avg Number of Days: |                                                                         |
   Peak Gust >=30   |   6.9   6.6   8.7  11.7  13.3  13.8  12.1   9.1   6.2   5.1   6.0   8.4 |  107.9
   Peak Gust >=40   |   3.0   2.7   2.4   3.3   1.6   1.3   1.2   0.7   0.9   1.2   2.8   4.4 |   25.5
   Peak Gust >=50   |   0.7   0.4   0.6   0.6   0.0   0.3   0.3   0.0   0.1   0.2   0.9   1.2 |    5.1
                    |                                                                         |
   Max 2-Minute >=30|   3.9   3.9   3.5   4.5   2.6   2.9   1.7   1.1   1.9   2.0   3.6   0.0 |   31.6
   Max 2-Minute >=40|   0.7   0.3   0.7   0.7   0.2   0.2   0.2   0.1   0.1   0.4   1.0   0.0 |    4.4
                    |                                                                         |
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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.