STATION:  OXNARD AIRPORT (KOXR), CA

CLIMATOLOGICAL SUMMARY.  Period of Record: Mar 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        |  64.0  63.6  64.0  64.5  66.8  69.2  72.3  72.4  71.7  70.3  67.7  64.3 |   67.6
Avg Min Temp        |  45.2  46.2  47.7  48.8  53.2  57.0  60.0  59.6  57.8  53.5  49.0  45.2 |   51.9
Avg Temperature     |  54.6  54.9  55.9  56.7  60.0  63.1  66.1  66.0  64.7  61.9  58.3  54.8 |   59.7
                    |                                                                         |
Extremes:           |                                                                         |
    Extreme Max Temp|    90    89    93    99    93    87    85    89    94   108    95    85 |    108
                    |                                                                         |
    Date of Ext-Day |    31    04    11    27    07    20    23    08    22    14    06    16 |
               -Year|  2003  2001  2007  2008  2007  2008  2006  2005  2004  1999  2006  1998 |
                    |                                                                         |
    Extreme Min Temp|    31    35    36    37    45    49    51    52    50    44    38    30 |     30
                    |                                                                         |
    Date of Ext-Day |    30    08    17    09    01    03    12    22    11    12    12    23 |
               -Year|  2002  2001  2002  1999  1999  2002  2001  2002  2000  2008  2000  1998 |
                    |                                                                         |
Heating Degree Days |   327   289   287   255   157    68    19    16    41   118   212   320 |   2109
Cooling Degree Days |     5     3     4     5     3    11    54    46    34    21    12     2 |    200
                    |                                                                         |
Avg Number of Days: |                                                                         |
    Max Temp >= 90  |   0.1   0.0   0.3   0.4   0.1   0.0   0.0   0.0   0.3   0.9   0.5   0.0 |    2.5
    Max Temp >= 75  |   3.1   2.0   2.3   2.0   1.4   1.2   6.5   5.6   5.7   5.2   4.3   3.1 |   42.1
    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  |   0.4   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.2 |    0.6
    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   0.0 |    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  |  40.4  42.5  46.3  47.9  52.5  55.7  58.8  58.9  57.3  51.7  45.1  39.1 |   49.7
Avg Wet Bulb Temp   |  47.9  49.1  51.0  51.9  55.7  58.7  61.5  61.5  60.2  56.3  51.7  47.5 |   54.4
                    |                                                                         |
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                    |                                                                         |
Avg Sea Level Pres  | 30.10 30.06 30.01 30.00 29.94 29.91 29.92 29.91 29.88 29.95 30.04 30.10 |  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   |   1.2   1.7   1.1   0.9   0.3   0.4   0.0   0.1   0.4   0.5   0.2   1.0 |    7.6
    Heavy Fog       |   2.4   1.8   2.0   2.3   1.7   1.0   2.8   3.2   3.4   4.4   2.3   2.2 |   29.4
    Fog             |  15.7  13.8  16.8  15.2  18.7  18.1  19.8  20.3  17.8  19.5  13.4  12.4 |  201.5
    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     |  2.08  2.68  1.66  1.14  0.40  0.03  0.01  0.02  0.07  0.52  0.72  1.06 |  10.39
                    |                                                                         |
Maximum Daily       |  3.33  2.29  2.21  2.60  1.19  0.16  0.02  0.01  0.21  1.02  0.96  1.64 |   3.33
                    |                                                                         |
    Date of Ext-Day |    09    25    15    04    05    01    29    04    26    17    07    28 |
               -Year|  2005  2004  2003  2006  1998  1999  2003  1998  2005  2004  2002  2004 |
                    |                                                                         |
Avg Number of Days: |                                                                         |
    >= 0.01         |   6.0   6.7   6.1   4.3   2.6   1.4   1.3   1.8   3.0   5.5   4.7   5.1 |   48.6
    >= 0.10         |   3.1   4.0   3.2   1.7   0.9   0.1   0.0   0.0   0.2   0.9   1.7   2.3 |   18.1
    >= 0.25         |   2.2   2.7   2.0   1.2   0.5   0.0   0.0   0.0   0.0   0.5   0.8   1.5 |   11.5
    >= 0.50         |   1.5   1.8   1.3   0.7   0.3   0.0   0.0   0.0   0.0   0.4   0.5   0.7 |    7.2
    >= 1.00         |   0.5   0.9   0.4   0.4   0.1   0.0   0.0   0.0   0.0   0.1   0.0   0.2 |    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|   7.0   7.6   7.5   7.7   6.8   6.6   6.6   6.4   6.1   6.0   6.3   7.1 |    6.8
Daily Avg Max 2-Min |  17.1  18.1  18.1  18.7  16.7  15.8  15.8  15.7  15.4  15.6  16.1  17.5 |   16.7
Daily Avg Peak Gust |  20.9  21.9  21.8  22.4  19.9  19.1  18.9  18.7  18.4  18.7  19.5  21.2 |   20.1
                    |                                                                         |
Maximum Daily Avg   |  21.3  22.2  21.5  20.5  16.7  12.2  12.5  10.4  14.5  22.4  20.6  23.1 |   23.1
                    |                                                                         |
Maximum 2-Minute Avg|    44    37    38    59    32    28    24    25    37    39    38    46 |     59
                    |                                                                         |
Date of Max 2min-Day|    16    09    28    28    03    08    12    24    19    22    09    27 |
               -Year|  2008  2002  2003  2007  1999  2000  2001  2003  2004  2007  2008  2006 |
                    |                                                                         |
Maximum Peak Gust   |    52    45    47    84    55    32    35    30    41    55    45    54 |     84
                    |                                                                         |
Date of Max Gust-Day|    16    11    28    28    31    08    11    15    19    22    09    27 |
               -Year|  2008  1999  2003  2007  2007  2000  2007  2007  2004  2007  2008  2006 |
                    |                                                                         |
Avg Number of Days: |                                                                         |
   Peak Gust >=30   |   4.7   4.8   5.2   4.3   2.1   0.5   0.1   0.1   0.2   2.0   3.2   5.6 |   32.9
   Peak Gust >=40   |   0.9   0.8   1.3   0.6   0.3   0.0   0.0   0.0   0.1   0.6   0.6   1.7 |    6.9
   Peak Gust >=50   |   0.1   0.0   0.0   0.1   0.1   0.0   0.0   0.0   0.0   0.1   0.0   0.1 |    0.5
                    |                                                                         |
   Max 2-Minute >=30|   1.7   2.2   2.6   1.9   0.7   0.0   0.0   0.0   0.1   0.8   1.2   0.0 |   11.3
   Max 2-Minute >=40|   0.1   0.0   0.0   0.3   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0 |    0.4
                    |                                                                         |
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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.