STATION:  CAMPO (KCZZ), CA

CLIMATOLOGICAL SUMMARY.  Period of Record: Feb 1998 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        |  60.8  59.8  64.3  67.3  76.2  84.5  91.9  92.1  86.7  76.6  68.5  60.7 |   74.1
Avg Min Temp        |  32.3  34.6  34.8  36.2  41.5  45.2  53.5  54.1  49.0  42.1  36.2  32.4 |   41.0
Avg Temperature     |  46.6  47.2  49.6  51.8  58.9  64.9  72.7  73.1  67.8  59.3  52.3  46.5 |   57.6
                    |                                                                         |
Extremes:           |                                                                         |
    Extreme Max Temp|    84    79    89    92   102   103   106   106   102    96    88    82 |    106
                    |                                                                         |
    Date of Ext-Day |    08    28    16    27    28    20    22    04    01    19    07    04 |
               -Year|  2004  1999  2007  2004  2003  2008  2006  1998  2002  2003  2006  2007 |
                    |                                                                         |
    Extreme Min Temp|    12    15    18    23    27    34    36    38    33    27    20    20 |     12
                    |                                                                         |
    Date of Ext-Day |    14    15    15    19    10    23    04    06    19    30    16    22 |
               -Year|  2007  2008  2002  2007  2003  1998  2000  1999  1999  2006  2000  1998 |
                    |                                                                         |
Heating Degree Days |   571   503   479   399   213    75     9     6    54   196   382   573 |   3458
Cooling Degree Days |     0     0     0     2    23    71   247   256   138    21     1     0 |    758
                    |                                                                         |
Avg Number of Days: |                                                                         |
    Max Temp >= 90  |   0.0   0.0   0.0   0.5   3.9  10.9  20.5  21.3  13.4   2.3   0.0   0.0 |   72.9
    Max Temp >= 75  |   1.8   1.8   5.7   8.2  18.0  25.7  30.9  30.9  26.3  19.9   9.2   1.7 |  180.2
    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  |  17.9  11.5  11.3   8.4   1.4   0.0   0.0   0.0   0.0   1.6   9.1  16.7 |   77.9
    Min Temp <= 20  |   0.7   0.2   0.1   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.1   0.2 |    1.3
    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  |  26.5  31.1  34.8  37.5  42.9  43.8  48.9  48.4  43.4  36.2  29.2  24.8 |   37.3
Avg Wet Bulb Temp   |  38.7  40.6  42.9  45.1  50.5  53.8  58.9  58.7  54.1  47.0  42.0  38.1 |   47.5
                    |                                                                         |
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                    |                                                                         |
Avg Sea Level Pres  | 30.04 30.00 29.95 29.93 29.87 29.84 29.86 29.86 29.84 29.90 29.99 30.05 |  29.93
(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   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0 |    0.0
    Heavy Fog       |   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
    Fog             |   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
    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     |  1.46  3.08  1.36  0.78  0.19  0.07  0.35  0.31  0.26  0.75  0.64  1.36 |  10.61
                    |                                                                         |
Maximum Daily       |  1.62  1.82  1.26  0.80  0.58  0.20  1.61  1.63  0.57  2.64  1.42  1.98 |   2.64
                    |                                                                         |
    Date of Ext-Day |    27    14    28    14    03    25    30    01    07    20    30    17 |
               -Year|  2008  1998  1998  2003  2003  2000  2003  2005  2002  2004  2007  2008 |
                    |                                                                         |
Avg Number of Days: |                                                                         |
    >= 0.01         |   6.3   9.7   7.1   6.0   1.6   0.8   2.3   1.5   1.3   2.3   3.7   6.0 |   48.6
    >= 0.10         |   3.5   6.0   3.3   2.5   0.6   0.4   0.7   0.4   0.8   1.0   1.4   3.4 |   24.1
    >= 0.25         |   1.4   3.7   1.8   1.1   0.2   0.0   0.2   0.2   0.4   0.7   0.8   1.5 |   12.0
    >= 0.50         |   0.9   2.1   0.7   0.4   0.1   0.0   0.1   0.2   0.2   0.5   0.3   0.6 |    6.0
    >= 1.00         |   0.3   0.7   0.2   0.0   0.0   0.0   0.1   0.2   0.0   0.2   0.1   0.4 |    2.1
                    |                                                                         |
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                    |                                                                         |
WIND (MPH)          |   Jan   Feb   Mar   Apr   May   Jun   Jul   Aug   Sep   Oct   Nov   Dec |   Year
                    |                                                                         |
Daily Avg Wind Speed|   8.8   8.9   8.4   8.6   8.0   7.8   7.3   7.0   7.2   7.6   7.9   9.1 |    8.1
Daily Avg Max 2-Min |  22.6  22.2  21.4  21.4  20.2  19.5  19.6  19.5  19.4  20.3  20.6  22.6 |   20.8
Daily Avg Peak Gust |  27.4  26.9  26.4  26.7  24.9  23.8  24.0  24.2  24.2  25.2  25.3  27.5 |   25.5
                    |                                                                         |
Maximum Daily Avg   |  25.8  28.5  27.8  21.9  14.4  13.6  10.1   9.1  14.2  23.9  21.9  25.3 |   28.5
                    |                                                                         |
Maximum 2-Minute Avg|    68    52    54    41    37    39    37    38    33    40    41    53 |     68
                    |                                                                         |
Date of Max 2min-Day|    05    11    03    01    03    29    26    25    21    05    27    22 |
               -Year|  1999  1999  2007  2005  2001  2006  2007  2008  2004  1998  2003  1999 |
                    |                                                                         |
Maximum Peak Gust   |    87    66    66    52    44    49    44    52    41    52    51    62 |     87
                    |                                                                         |
Date of Max Gust-Day|    05    10    03    12    03    29    30    25    02    13    27    22 |
               -Year|  1999  2002  2007  2008  2001  2006  2003  2008  2001  2008  2003  1999 |
                    |                                                                         |
Avg Number of Days: |                                                                         |
   Peak Gust >=30   |  11.1   9.1   7.3   7.1   3.1   2.1   1.7   1.3   3.1   6.1   7.4  10.9 |   70.4
   Peak Gust >=40   |   3.4   2.1   1.7   1.2   0.4   0.1   0.4   0.2   0.3   1.2   2.4   3.9 |   17.1
   Peak Gust >=50   |   0.6   0.5   0.6   0.1   0.0   0.0   0.0   0.1   0.0   0.1   0.1   1.0 |    3.1
                    |                                                                         |
   Max 2-Minute >=30|   5.3   4.0   2.8   2.0   0.5   0.2   0.4   0.3   0.8   2.1   3.9   0.0 |   22.2
   Max 2-Minute >=40|   0.6   0.5   0.4   0.2   0.0   0.0   0.0   0.0   0.0   0.1   0.2   0.0 |    2.0
                    |                                                                         |
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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.