STATION:  MIRAMAR-MARINE CORPS AIR STATION (KNKX), CA

CLIMATOLOGICAL SUMMARY.  Period of Record: Mar 2007 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        |  64.6  64.8  69.9  71.0  71.4  77.2  79.5  82.5  80.4  81.7  73.7  64.5 |   73.4
Avg Min Temp        |  43.4  43.6  47.1  49.5  53.5  56.4  61.4  63.6  60.2  54.4  51.9  43.8 |   52.4
Avg Temperature     |  54.0  54.2  58.5  60.3  62.4  66.8  70.5  73.1  70.3  68.0  62.8  54.1 |   62.9
                    |                                                                         |
Extremes:           |                                                                         |
    Extreme Max Temp|    77    79    91   100    94   102    90    93   103   100    92    79 |    103
                    |                                                                         |
    Date of Ext-Day |    01    09    12    27    17    21    27    18    03    08    15    15 |
               -Year|  2008  2008  2007  2008  2008  2008  2007  2007  2007  2008  2008  2008 |
                    |                                                                         |
    Extreme Min Temp|    37    35    38    43    46    50    55    56    52    42    40    36 |     35
                    |                                                                         |
    Date of Ext-Day |    19    15    01    19    25    07    21    20    16    12    24    28 |
               -Year|  2008  2008  2007  2007  2008  2007  2008  2008  2007  2008  2007  2007 |
                    |                                                                         |
Heating Degree Days |   340   305   208   167   110    26     0     0     7    33   109   337 |   1643
Cooling Degree Days |     0     0     7    25    31    80   170   250   166   128    42     0 |    897
                    |                                                                         |
Avg Number of Days: |                                                                         |
    Max Temp >= 90  |   0.0   0.0   0.5   2.0   2.0   2.5   0.5   3.6   2.5   7.8   1.5   0.0 |   22.8
    Max Temp >= 75  |   3.7   6.8   7.8   7.0   6.5  16.5  29.5  31.0  25.5  20.7  12.0   2.5 |  169.4
    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  |  39.2  43.7  42.3  45.5  49.4  55.0  59.7  60.6  58.2  42.7  45.0  40.1 |   48.4
Avg Wet Bulb Temp   |  44.2  48.4  49.6  52.4  55.1  59.4  63.3  64.2  62.5  54.4  53.3  47.0 |   54.5
                    |                                                                         |
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                    |                                                                         |
Avg Sea Level Pres  | 30.08 30.06 30.04 29.98 29.93 29.90 29.89 29.85 29.88 29.96 30.01 30.08 |  29.97
(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   0.5   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0 |    0.5
    Heavy Fog       |   0.0   0.0   1.5   0.5   0.5   1.0   0.0   0.0   0.0   0.0   0.0   0.0 |    3.5
    Fog             |   0.0   0.0   8.1   7.5   1.5   8.5   0.0   0.0   0.0   0.0   0.0   0.0 |   25.6
    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     |  2.78  1.94  0.21  0.36  0.17  0.01  0.01  0.01  0.05  0.12  1.71  3.17 |  10.54
                    |                                                                         |
Maximum Daily       |  1.04  0.58  0.18  0.60  0.24  0.01  0.01  0.03  0.08  0.15  1.96  2.22 |   2.22
                    |                                                                         |
    Date of Ext-Day |    05    22    21    20    23    04    04    31    22    13    30    15 |
               -Year|  2008  2008  2007  2007  2008  2008  2007  2007  2007  2007  2007  2008 |
                    |                                                                         |
Avg Number of Days: |                                                                         |
    >= 0.01         |  11.0  12.7   5.6   2.5   2.5   1.0   0.5   0.5   2.0   3.0   7.0  12.0 |   60.3
    >= 0.10         |   6.0   3.9   0.5   0.5   0.5   0.0   0.0   0.0   0.0   0.5   2.0   4.0 |   17.9
    >= 0.25         |   4.0   2.9   0.0   0.5   0.0   0.0   0.0   0.0   0.0   0.0   1.0   3.0 |   11.4
    >= 0.50         |   3.0   1.9   0.0   0.5   0.0   0.0   0.0   0.0   0.0   0.0   1.0   2.0 |    8.4
    >= 1.00         |   1.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.5   1.0 |    2.5
                    |                                                                         |
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                    |                                                                         |
WIND (MPH)          |   Jan   Feb   Mar   Apr   May   Jun   Jul   Aug   Sep   Oct   Nov   Dec |   Year
                    |                                                                         |
Daily Avg Wind Speed|   5.1   5.3   5.1   5.4   5.5   4.6   4.2   4.4   4.9   5.4   4.8   5.6 |    5.0
Daily Avg Max 2-Min |  14.2  15.8  15.9  15.9  15.0  15.1  12.9  12.1  13.1  15.2  12.9  14.1 |   14.3
Daily Avg Peak Gust |  18.5  23.7  22.6  26.2  22.5  22.0  18.9  16.8  18.0  20.5  17.5  18.2 |   20.4
                    |                                                                         |
Maximum Daily Avg   |  14.1  10.2  16.1   9.7  10.7   7.9   6.8   7.3   7.8  11.0  12.5  12.4 |   16.1
                    |                                                                         |
Maximum 2-Minute Avg|    28    28    31    26    23    31    25    21    20    28    25    31 |     31
                    |                                                                         |
Date of Max 2min-Day|    27    14    27    12    20    03    10    26    21    10    09    09 |
               -Year|  2008  2008  2007  2007  2007  2007  2008  2007  2007  2007  2008  2008 |
                    |                                                                         |
Maximum Peak Gust   |    37    36    40    39    38    41    41    25    31    36    35    40 |     41
                    |                                                                         |
Date of Max Gust-Day|    27    14    27    21    30    03    06    26    30    10    09    09 |
               -Year|  2008  2008  2007  2007  2007  2007  2008  2007  2007  2007  2008  2008 |
                    |                                                                         |
Avg Number of Days: |                                                                         |
   Peak Gust >=30   |   3.2   9.0   6.0  10.6   4.3   4.4   1.7   0.0   0.6   4.4   1.6   1.6 |   47.3
   Peak Gust >=40   |   0.0   0.0   0.8   0.0   0.0   0.6   0.6   0.0   0.0   0.0   0.0   0.5 |    2.5
   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|   0.0   0.0   0.8   0.0   0.0   0.6   0.0   0.0   0.0   0.0   0.0   0.0 |    1.4
   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.