STATION:  FRESNO YOSEMITE INTERNATIONAL AIRPORT (KFAT), CA

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        |  55.3  61.0  68.3  73.4  84.4  92.1  98.7  97.2  90.8  78.7  65.0  55.7 |   76.7
Avg Min Temp        |  39.3  41.7  45.8  49.0  56.5  62.4  68.1  66.0  61.3  52.6  44.8  38.4 |   52.2
Avg Temperature     |  47.3  51.3  57.1  61.2  70.5  77.3  83.4  81.6  76.1  65.6  54.9  47.1 |   64.4
                    |                                                                         |
Extremes:           |                                                                         |
    Extreme Max Temp|    70    77    87    98   106   110   113   112   106    99    83    77 |    113
                    |                                                                         |
    Date of Ext-Day |    13    03    18    27    31    21    23    13    03    03    02    07 |
               -Year|  2000  2000  2004  2004  2001  2008  2006  1996  1998  2001  1997  2006 |
                    |                                                                         |
    Extreme Min Temp|    23    30    33    33    44    50    45    56    49    39    30    10 |     10
                    |                                                                         |
    Date of Ext-Day |    13    08    04    04    09    03    29    31    20    20    30    30 |
               -Year|  2007  2001  2006  1999  2003  1999  2004  1999  2004  1996  2004  2004 |
                    |                                                                         |
Heating Degree Days |   549   386   256   155    29     2     0     0     2    69   303   555 |   2307
Cooling Degree Days |     0     0    10    42   199   370   570   510   332    89     1     0 |   2122
                    |                                                                         |
Avg Number of Days: |                                                                         |
    Max Temp >= 90  |   0.0   0.0   0.0   1.5   9.4  19.6  29.1  28.2  18.3   2.9   0.0   0.0 |  109.1
    Max Temp >= 75  |   0.0   0.2   7.2  13.1  26.0  29.2  31.0  31.0  29.2  21.4   3.5   0.2 |  192.0
    Max Temp <= 32  |   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
                    |                                                                         |
    Min Temp <= 32  |   6.0   0.8   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.6   5.2 |   12.6
    Min Temp <= 20  |   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.1 |    0.1
    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  |  41.1  42.6  44.4  43.2  46.0  49.2  53.8  53.2  50.6  46.1  44.9  40.2 |   46.3
Avg Wet Bulb Temp   |  44.1  46.9  50.4  51.9  57.1  61.2  65.4  64.4  61.2  54.8  49.5  43.5 |   54.2
                    |                                                                         |
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                    |                                                                         |
Avg Sea Level Pres  | 30.16 30.09 30.05 30.00 29.92 29.86 29.86 29.87 29.86 29.97 30.10 30.17 |  29.99
(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   |   0.1   0.4   0.6   0.6   0.5   0.2   0.0   0.2   0.5   0.4   0.2   0.2 |    3.7
    Heavy Fog       |  10.0   3.4   1.0   0.1   0.1   0.0   0.0   0.0   0.1   0.4   5.1   7.6 |   27.7
    Fog             |  26.7  21.6  16.2   7.0   2.0   0.7   0.1   0.6   1.1   7.8  20.5  24.3 |  128.5
    Hail            |   0.0   0.3   0.1   0.2   0.0   0.0   0.0   0.0   0.0   0.1   0.0   0.0 |    0.7
                    |                                                                         |
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                    |                                                                         |
PRECIPITATION (In)  |   Jan   Feb   Mar   Apr   May   Jun   Jul   Aug   Sep   Oct   Nov   Dec |   Year
                    |                                                                         |
Average Monthly     |  2.19  2.08  1.40  1.05  0.42  0.23  0.01  0.08  0.07  0.62  0.98  1.62 |  10.73
                    |                                                                         |
Maximum Daily       |  1.88  1.87  1.05  1.06  1.02  1.80  0.07  0.33  0.32  1.50  1.05  1.64 |   1.88
                    |                                                                         |
    Date of Ext-Day |    02    27    28    07    05    06    07    08    01    29    12    18 |
               -Year|  2006  2000  2006  2001  2005  1998  2001  2004  2000  1996  2001  2007 |
                    |                                                                         |
Avg Number of Days: |                                                                         |
    >= 0.01         |   9.8  10.8   6.7   5.1   2.6   0.8   0.2   1.0   0.6   2.4   8.5   9.3 |   57.8
    >= 0.10         |   5.0   5.7   3.4   2.4   1.3   0.2   0.0   0.2   0.2   1.2   2.4   4.5 |   26.7
    >= 0.25         |   3.4   2.8   2.3   1.3   0.5   0.2   0.0   0.1   0.2   0.8   0.9   1.9 |   14.3
    >= 0.50         |   1.2   1.2   0.9   0.6   0.1   0.2   0.0   0.0   0.0   0.4   0.6   0.7 |    5.9
    >= 1.00         |   0.2   0.2   0.2   0.1   0.1   0.1   0.0   0.0   0.0   0.2   0.2   0.2 |    1.2
                    |                                                                         |
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                    |                                                                         |
WIND (MPH)          |   Jan   Feb   Mar   Apr   May   Jun   Jul   Aug   Sep   Oct   Nov   Dec |   Year
                    |                                                                         |
Daily Avg Wind Speed|   4.3   5.0   5.7   7.2   8.3   8.5   7.5   6.9   5.9   4.6   3.8   4.0 |    6.0
Daily Avg Max 2-Min |  12.2  14.0  14.7  17.2  17.7  17.3  15.8  14.9  13.9  12.4  11.5  11.9 |   14.5
Daily Avg Peak Gust |  14.8  16.9  18.1  20.9  21.7  21.2  19.2  18.1  17.2  15.5  14.2  14.2 |   17.7
                    |                                                                         |
Maximum Daily Avg   |  16.4  15.3  19.3  17.3  18.8  15.6  12.6  15.9  12.8  17.1  14.8  17.3 |   19.3
                    |                                                                         |
Maximum 2-Minute Avg|    38    36    32    36    32    32    28    25    28    35    30    35 |     38
                    |                                                                         |
Date of Max 2min-Day|    07    03    27    03    28    10    10    30    20    29    24    31 |
               -Year|  2005  1998  2007  1999  1998  2008  2008  1999  2005  2007  2001  2005 |
                    |                                                                         |
Maximum Peak Gust   |    46    43    44    41    39    40    43    33    33    40    37    41 |     46
                    |                                                                         |
Date of Max Gust-Day|    07    03    19    14    21    10    10    30    02    29    24    25 |
               -Year|  2005  1998  2008  2002  2008  2008  2008  2007  2003  2007  2001  2008 |
                    |                                                                         |
Avg Number of Days: |                                                                         |
   Peak Gust >=30   |   0.9   1.9   1.9   3.0   1.4   1.1   0.3   0.2   0.5   0.6   0.4   1.0 |   13.2
   Peak Gust >=40   |   0.2   0.3   0.3   0.2   0.0   0.1   0.1   0.0   0.0   0.1   0.0   0.2 |    1.3
   Peak Gust >=50   |   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
                    |                                                                         |
   Max 2-Minute >=30|   0.1   0.7   0.4   0.7   0.2   0.1   0.0   0.0   0.0   0.1   0.1   0.0 |    2.3
   Max 2-Minute >=40|   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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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.