STATION:  NEEDLES AIRPORT (KEED), CA

CLIMATOLOGICAL SUMMARY.  Period of Record: Jan 2001 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        |  64.9  69.1  78.3  85.3  97.2 106.8 110.9 108.0 102.0  88.6  74.6  63.4 |   87.4
Avg Min Temp        |  43.8  46.5  52.4  59.1  69.4  78.4  86.0  83.7  75.5  63.6  52.3  42.7 |   62.8
Avg Temperature     |  54.3  57.8  65.3  72.2  83.3  92.6  98.5  95.8  88.8  76.1  63.4  53.0 |   75.1
                    |                                                                         |
Extremes:           |                                                                         |
    Extreme Max Temp|    85    85    99   106   114   117   125   117   115   104    92    79 |    125
                    |                                                                         |
    Date of Ext-Day |    31    01    17    28    28    21    17    07    01    01    01    24 |
               -Year|  2003  2003  2007  2007  2003  2005  2005  2001  2007  2008  2008  2005 |
                    |                                                                         |
    Extreme Min Temp|    24    32    32    43    53    64    74    73    61    49    35    29 |     24
                    |                                                                         |
    Date of Ext-Day |    14    01    04    11    10    10    24    15    24    03    30    28 |
               -Year|  2007  2002  2002  2001  2003  2004  2001  2005  2007  2002  2004  2003 |
                    |                                                                         |
Heating Degree Days |   332   209    89    13     0     0     0     0     0     5   108   371 |   1127
Cooling Degree Days |     1     5   100   229   568   829  1037   956   713   350    61     0 |   4850
                    |                                                                         |
Avg Number of Days: |                                                                         |
    Max Temp >= 90  |   0.0   0.0   3.3   9.6  25.4  29.6  31.0  31.0  28.1  15.8   0.6   0.0 |  174.5
    Max Temp >= 75  |   1.9   7.2  20.2  27.5  30.9  30.0  31.0  31.0  30.0  28.9  16.4   1.3 |  256.3
    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  |   1.0   0.2   0.1   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.9 |    2.3
    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   0.0 |    0.0
    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  |  28.0  27.7  28.7  28.9  32.3  34.1  50.8  54.1  41.9  36.1  30.9  28.1 |   35.1
Avg Wet Bulb Temp   |  43.2  44.9  48.8  52.1  57.5  61.9  69.5  69.7  62.7  55.5  48.5  42.4 |   54.7
                    |                                                                         |
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                    |                                                                         |
Avg Sea Level Pres  | 30.07 30.00 29.91 29.84 29.79 29.85 29.75 29.72 29.80 29.86 29.98 30.08 |  29.89
(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   |   0.5   0.9   0.2   0.3   0.1   0.4   4.3   3.3   1.1   1.1   0.4   0.0 |   12.6
    Heavy Fog       |   0.0   0.2   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.1 |    0.4
    Fog             |   1.1   1.9   0.4   0.4   0.0   0.0   0.0   0.1   0.1   0.6   0.6   0.4 |    5.6
    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     |  0.63  0.93  0.31  0.18  0.00  0.02  0.10  0.44  0.09  0.21  0.50  0.24 |   3.65
                    |                                                                         |
Maximum Daily       |  0.99  1.22  0.85  0.76  0.01  0.14  0.26  1.48  0.26  0.56  0.87  0.96 |   1.48
                    |                                                                         |
    Date of Ext-Day |    15    11    06    02    03    07    20    08    01    27    07    17 |
               -Year|  2001  2005  2001  2004  2003  2006  2008  2008  2003  2004  2004  2008 |
                    |                                                                         |
Avg Number of Days: |                                                                         |
    >= 0.01         |   3.1   4.6   2.8   1.0   0.1   0.1   1.5   2.0   1.1   1.6   2.6   2.1 |   22.8
    >= 0.10         |   1.6   2.4   0.5   0.4   0.0   0.1   0.4   1.1   0.2   0.8   1.0   0.6 |    9.2
    >= 0.25         |   1.0   1.2   0.5   0.3   0.0   0.0   0.1   0.5   0.1   0.2   0.6   0.3 |    4.9
    >= 0.50         |   0.2   0.5   0.1   0.1   0.0   0.0   0.0   0.1   0.0   0.1   0.4   0.1 |    1.8
    >= 1.00         |   0.0   0.1   0.0   0.0   0.0   0.0   0.0   0.1   0.0   0.0   0.0   0.0 |    0.3
                    |                                                                         |
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                    |                                                                         |
WIND (MPH)          |   Jan   Feb   Mar   Apr   May   Jun   Jul   Aug   Sep   Oct   Nov   Dec |   Year
                    |                                                                         |
Daily Avg Wind Speed|   8.1   7.9   8.2   9.1   8.9   8.7   7.9   7.6   7.5   7.4   7.5   7.5 |    8.0
Daily Avg Max 2-Min |  18.3  19.1  19.8  21.3  20.8  21.0  21.6  20.5  19.5  18.0  17.4  17.6 |   19.6
Daily Avg Peak Gust |  21.9  23.0  24.6  26.7  26.6  27.3  27.4  25.9  24.5  21.9  20.7  21.0 |   24.3
                    |                                                                         |
Maximum Daily Avg   |  23.9  22.3  21.9  20.6  19.1  16.2  15.6  14.7  17.9  26.9  23.1  19.8 |   26.9
                    |                                                                         |
Maximum 2-Minute Avg|    44    51    44    43    36    37    44    49    37    58    38    39 |     58
                    |                                                                         |
Date of Max 2min-Day|    05    18    02    14    02    25    01    08    04    13    15    29 |
               -Year|  2003  2004  2008  2006  2001  2001  2006  2008  2007  2006  2005  2004 |
                    |                                                                         |
Maximum Peak Gust   |    53    60    52    48    45    45    56    61    45    66    47    49 |     66
                    |                                                                         |
Date of Max Gust-Day|    05    18    02    14    01    25    01    08    04    13    15    29 |
               -Year|  2003  2004  2008  2006  2008  2001  2006  2008  2007  2006  2005  2004 |
                    |                                                                         |
Avg Number of Days: |                                                                         |
   Peak Gust >=30   |   7.0   7.1   9.1  11.0  10.5  10.6   9.9   7.6   6.7   5.7   6.5   6.1 |   97.9
   Peak Gust >=40   |   1.4   1.4   1.4   1.5   1.9   0.8   1.8   1.9   1.3   1.3   0.9   1.3 |   16.6
   Peak Gust >=50   |   0.1   0.1   0.1   0.0   0.0   0.0   0.4   0.5   0.0   0.3   0.0   0.0 |    1.5
                    |                                                                         |
   Max 2-Minute >=30|   3.4   2.8   2.9   2.6   2.6   1.4   3.2   2.5   1.6   2.3   2.1   0.0 |   27.4
   Max 2-Minute >=40|   0.2   0.1   0.2   0.1   0.0   0.0   0.4   0.5   0.0   0.4   0.0   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 poor 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.