STATION:  CARLSBAD-MCCLELLAN-PALOMAR AIRPORT (KCRQ), 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        |  64.1  63.2  63.4  64.7  67.1  69.7  74.1  75.0  74.2  72.0  68.1  64.2 |   68.3
Avg Min Temp        |  47.1  47.9  50.0  52.0  56.6  59.9  63.8  64.5  62.2  57.6  51.7  46.6 |   55.0
Avg Temperature     |  55.6  55.6  56.7  58.3  61.9  64.8  68.9  69.8  68.2  64.8  59.9  55.4 |   61.7
                    |                                                                         |
Extremes:           |                                                                         |
    Extreme Max Temp|    87    89    87    98    91    92    98    95   100    96    93    96 |    100
                    |                                                                         |
    Date of Ext-Day |    30    21    30    27    03    21    22    31    05    05    15    05 |
               -Year|  1999  2002  2003  2008  2004  2008  2006  1998  2004  2005  2008  2007 |
                    |                                                                         |
    Extreme Min Temp|    33    37    41    39    45    50    57    57    54    48    37    36 |     33
                    |                                                                         |
    Date of Ext-Day |    14    07    30    02    01    05    06    24    29    30    29    28 |
               -Year|  2007  1999  1998  1999  1999  1999  2000  2002  2001  2004  2004  2003 |
                    |                                                                         |
Heating Degree Days |   296   270   261   209   108    38     1     0     4    56   168   300 |   1712
Cooling Degree Days |     5     3     4     9    11    32   123   149   101    48    15     2 |    501
                    |                                                                         |
Avg Number of Days: |                                                                         |
    Max Temp >= 90  |   0.0   0.0   0.0   0.3   0.1   0.2   0.3   0.1   0.5   0.8   0.3   0.1 |    2.6
    Max Temp >= 75  |   4.1   1.8   2.2   2.1   1.8   2.8  10.8  15.1  10.1   8.5   4.5   2.0 |   65.9
    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  |   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 <= 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  |  41.6  44.0  47.1  48.6  53.4  57.0  61.3  62.0  59.3  52.4  46.5  40.5 |   51.1
Avg Wet Bulb Temp   |  48.7  49.8  51.8  53.0  57.0  59.8  63.8  64.4  62.6  57.8  52.8  48.2 |   55.8
                    |                                                                         |
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                    |                                                                         |
Avg Sea Level Pres  | 30.08 30.05 30.01 30.00 29.94 29.91 29.91 29.90 29.87 29.94 30.03 30.09 |  29.98
(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   0.4   0.7   0.4   0.2   0.5   0.3   0.0   1.0   0.5   0.5   0.3 |    5.3
    Heavy Fog       |   2.8   2.3   3.4   1.7   1.8   1.9   2.0   2.9   4.4   4.6   3.6   3.6 |   35.1
    Fog             |  14.9  14.9  15.6  12.9  14.4  18.0  18.4  17.6  16.9  16.5  15.1  13.7 |  188.8
    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     |  1.71  2.90  0.96  0.95  0.27  0.07  0.03  0.04  0.09  0.75  1.03  1.12 |   9.93
                    |                                                                         |
Maximum Daily       |  1.60  1.99  0.98  1.60  0.83  0.17  0.12  0.30  0.38  1.61  2.69  1.42 |   2.69
                    |                                                                         |
    Date of Ext-Day |    09    22    15    14    22    02    20    26    03    27    30    17 |
               -Year|  2005  2008  2003  2003  2006  1999  1998  2007  1998  2004  2007  2008 |
                    |                                                                         |
Avg Number of Days: |                                                                         |
    >= 0.01         |   7.4   9.7   7.8   5.4   3.0   1.8   1.1   0.8   3.0   4.8   6.5   7.5 |   58.8
    >= 0.10         |   3.6   5.6   2.1   1.9   0.7   0.2   0.1   0.1   0.2   1.4   1.7   2.8 |   20.4
    >= 0.25         |   2.0   3.5   1.3   1.2   0.2   0.0   0.0   0.1   0.1   0.8   0.8   1.5 |   11.4
    >= 0.50         |   1.3   1.8   0.5   0.6   0.2   0.0   0.0   0.0   0.0   0.5   0.5   0.6 |    6.0
    >= 1.00         |   0.4   0.8   0.0   0.1   0.0   0.0   0.0   0.0   0.0   0.2   0.3   0.2 |    1.9
                    |                                                                         |
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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   5.1   5.4   5.3   5.1   4.6   4.4   4.2   4.0   3.9   4.1 |    4.6
Daily Avg Max 2-Min |  12.6  14.0  13.8  14.3  13.5  12.9  12.4  12.2  12.3  12.3  11.9  12.0 |   12.9
Daily Avg Peak Gust |  15.8  17.4  17.4  18.4  17.1  16.5  16.0  16.0  15.7  15.4  14.8  15.1 |   16.3
                    |                                                                         |
Maximum Daily Avg   |  12.3  14.9  14.9  12.5  10.2   8.5   7.6   7.8   9.3  12.6  11.9  12.7 |   14.9
                    |                                                                         |
Maximum 2-Minute Avg|    41    36    31    29    23    20    17    25    20    29    30    32 |     41
                    |                                                                         |
Date of Max 2min-Day|    07    23    29    03    05    24    14    31    03    20    28    29 |
               -Year|  2003  1998  2003  1999  1998  2006  2005  1998  2004  2004  2002  2004 |
                    |                                                                         |
Maximum Peak Gust   |    51    40    39    87    29    28    22    40    24    35    35    39 |     87
                    |                                                                         |
Date of Max Gust-Day|    07    23    05    27    22    27    09    31    21    20    28    29 |
               -Year|  2003  1998  2000  2001  2008  2006  2001  1998  2007  2004  2002  2004 |
                    |                                                                         |
Avg Number of Days: |                                                                         |
   Peak Gust >=30   |   0.9   1.4   0.6   0.8   0.0   0.0   0.0   0.1   0.0   0.3   0.3   0.9 |    5.3
   Peak Gust >=40   |   0.1   0.2   0.0   0.1   0.0   0.0   0.0   0.1   0.0   0.0   0.0   0.0 |    0.5
   Peak Gust >=50   |   0.1   0.0   0.0   0.1   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0 |    0.2
                    |                                                                         |
   Max 2-Minute >=30|   0.1   0.2   0.2   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.1   0.0 |    0.6
   Max 2-Minute >=40|   0.1   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0 |    0.1
                    |                                                                         |
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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.