STATION:  WATSONVILLE MUNICIPAL ARPT (KWVI), CA

CLIMATOLOGICAL SUMMARY.  Period of Record: Jul 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        |  59.2  60.9  63.1  64.7  69.4  72.0  72.3  72.4  73.9  71.7  65.5  59.9 |   67.1
Avg Min Temp        |  40.1  42.0  43.0  44.3  47.9  50.6  53.1  53.6  52.2  48.3  44.0  40.0 |   46.6
Avg Temperature     |  49.7  51.5  53.1  54.5  58.6  61.3  62.7  63.0  63.0  60.0  54.7  50.0 |   56.8
                    |                                                                         |
Extremes:           |                                                                         |
    Extreme Max Temp|    75    80    86    97    97   105    97    95   102    96    88    77 |    105
                    |                                                                         |
    Date of Ext-Day |    02    08    08    27    16    20    22    09    30    25    15    16 |
               -Year|  2001  2006  2004  2004  2008  2008  2006  2002  2001  2003  2008  1998 |
                    |                                                                         |
    Extreme Min Temp|    22    29    31    33    38    42    46    47    43    34    29    21 |     21
                    |                                                                         |
    Date of Ext-Day |    14    06    08    20    15    08    05    16    08    12    29    23 |
               -Year|  2007  2003  2002  2008  1999  1999  2003  2000  2002  2008  2004  1998 |
                    |                                                                         |
Heating Degree Days |   475   382   372   319   205   127    85    78    92   171   310   466 |   3082
Cooling Degree Days |     0     0     1     4     8    15    14    17    33    15     2     0 |    109
                    |                                                                         |
Avg Number of Days: |                                                                         |
    Max Temp >= 90  |   0.0   0.0   0.0   0.3   0.7   1.0   0.3   0.5   2.3   1.6   0.0   0.0 |    6.7
    Max Temp >= 75  |   0.2   1.5   2.3   3.0   6.2   8.3   8.8   9.2  10.9   9.3   2.8   0.2 |   62.6
    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  |   2.9   0.9   0.1   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.4   3.0 |    7.3
    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  |  41.1  43.0  44.7  45.1  48.5  50.7  53.1  53.9  52.3  47.2  45.0  41.3 |   47.2
Avg Wet Bulb Temp   |  44.5  46.8  48.4  49.3  52.5  54.6  56.1  56.3  56.1  51.7  48.8  45.3 |   50.9
                    |                                                                         |
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                    |                                                                         |
Avg Sea Level Pres  | 30.15 30.09 30.09 30.05 30.00 29.96 29.97 29.96 29.93 30.01 30.10 30.15 |  30.04
(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   |   0.3   0.4   0.3   0.1   0.0   0.0   0.0   0.5   0.0   0.0   0.2   0.7 |    2.5
    Heavy Fog       |   3.6   1.8   3.9   2.4   3.6   3.7   4.8   5.8   5.7   6.7   5.5   2.4 |   49.9
    Fog             |  17.5  15.0  16.3  13.4  14.9  15.5  19.1  17.5  16.6  13.9  16.0  15.7 |  191.4
    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     |  3.77  4.42  2.20  1.36  0.45  0.10  0.03  0.02  0.10  0.81  1.89  4.28 |  19.44
                    |                                                                         |
Maximum Daily       |  3.51  4.04  1.63  1.51  1.12  0.59  0.04  0.06  0.36  1.12  1.89  3.27 |   4.04
                    |                                                                         |
    Date of Ext-Day |    23    13    22    04    03    16    21    03    22    28    08    13 |
               -Year|  2000  2000  2005  2006  2003  2005  1999  2002  2007  2000  2002  2002 |
                    |                                                                         |
Avg Number of Days: |                                                                         |
    >= 0.01         |   9.8  11.2   9.6   7.4   3.0   1.3   1.8   1.6   2.8   5.1   9.5  10.1 |   73.2
    >= 0.10         |   5.9   7.5   5.9   3.6   1.0   0.3   0.0   0.0   0.2   1.6   3.8   6.8 |   36.6
    >= 0.25         |   4.2   5.1   3.1   1.8   0.6   0.1   0.0   0.0   0.1   1.2   2.1   5.2 |   23.5
    >= 0.50         |   2.4   3.0   1.2   0.8   0.3   0.1   0.0   0.0   0.0   0.5   1.1   2.7 |   12.1
    >= 1.00         |   0.8   0.9   0.2   0.1   0.1   0.0   0.0   0.0   0.0   0.3   0.5   1.1 |    3.9
                    |                                                                         |
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                    |                                                                         |
WIND (MPH)          |   Jan   Feb   Mar   Apr   May   Jun   Jul   Aug   Sep   Oct   Nov   Dec |   Year
                    |                                                                         |
Daily Avg Wind Speed|   3.4   3.8   3.7   4.9   4.9   5.0   4.7   4.4   4.1   3.6   3.1   3.4 |    4.1
Daily Avg Max 2-Min |  11.7  13.6  13.2  14.3  14.0  13.3  13.0  12.3  13.1  12.4  11.4  12.1 |   12.9
Daily Avg Peak Gust |  14.5  17.0  16.6  18.3  17.3  16.4  16.0  15.9  16.3  15.4  14.3  15.3 |   16.1
                    |                                                                         |
Maximum Daily Avg   |  14.5  14.6  10.9  12.4  12.3  10.0   8.4   6.9  10.4   8.6  16.0  14.7 |   16.0
                    |                                                                         |
Maximum 2-Minute Avg|    37    36    28    29    25    22    18    22    34    23    79    40 |     79
                    |                                                                         |
Date of Max 2min-Day|    04    27    04    16    20    08    09    28    08    17    26    14 |
               -Year|  2008  2006  2001  2000  2002  2004  2007  2002  1999  2004  2008  2003 |
                    |                                                                         |
Maximum Peak Gust   |    47    45    37    37    37    29    26    30    47    31    90    55 |     90
                    |                                                                         |
Date of Max Gust-Day|    04    27    27    28    02    08    09    28    08    05    26    10 |
               -Year|  2008  2006  2005  2003  2001  2004  2007  2002  1999  2007  2008  2003 |
                    |                                                                         |
Avg Number of Days: |                                                                         |
   Peak Gust >=30   |   1.1   2.1   0.8   1.2   0.7   0.0   0.0   0.1   0.5   0.4   0.7   2.1 |    9.7
   Peak Gust >=40   |   0.2   0.2   0.0   0.0   0.0   0.0   0.0   0.0   0.1   0.0   0.3   0.6 |    1.4
   Peak Gust >=50   |   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.2   0.2 |    0.4
                    |                                                                         |
   Max 2-Minute >=30|   0.2   0.5   0.0   0.0   0.0   0.0   0.0   0.0   0.1   0.0   0.3   0.0 |    1.1
   Max 2-Minute >=40|   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.2   0.0 |    0.2
                    |                                                                         |
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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.