STATION:  HANFORD MUNICIPAL AIRPORT (KHJO), 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        |  54.3  61.2  68.4  73.9  83.6  91.3  96.7  95.9  90.5  79.0  64.9  55.5 |   76.3
Avg Min Temp        |  37.0  39.8  43.9  47.5  54.5  60.2  64.9  62.6  57.4  48.4  40.8  35.7 |   49.4
Avg Temperature     |  45.7  50.5  56.1  60.7  69.1  75.7  80.8  79.3  73.9  63.7  52.9  45.6 |   62.8
                    |                                                                         |
Extremes:           |                                                                         |
    Extreme Max Temp|    69    78    89    98   105   108   111   107   107    97    82    80 |    111
                    |                                                                         |
    Date of Ext-Day |    14    29    16    27    31    21    23    30    03    01    02    08 |
               -Year|  2000  2008  2007  2004  2001  2008  2006  2008  1998  2001  1999  2006 |
                    |                                                                         |
    Extreme Min Temp|    19    26    31    33    42    45    55    54    42    33    24    19 |     19
                    |                                                                         |
    Date of Ext-Day |    13    16    04    04    09    06    08    27    21    30    23    23 |
               -Year|  2007  2006  2006  1999  2003  2005  2003  2004  2004  2006  2003  1998 |
                    |                                                                         |
Heating Degree Days |   600   409   281   161    33     3     0     0     4    88   365   602 |   2546
Cooling Degree Days |     0     0     6    32   159   324   490   442   272    49     0     0 |   1775
                    |                                                                         |
Avg Number of Days: |                                                                         |
    Max Temp >= 90  |   0.0   0.0   0.0   1.8   8.3  18.8  28.2  27.2  18.5   2.5   0.0   0.0 |  105.3
    Max Temp >= 75  |   0.0   0.5   7.3  13.7  25.5  29.4  31.0  31.0  29.4  22.2   3.1   0.1 |  193.1
    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  |   9.1   3.7   0.5   0.0   0.0   0.0   0.0   0.0   0.0   0.0   3.5  11.1 |   27.9
    Min Temp <= 20  |   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  <= 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  |  40.1  43.0  44.3  43.0  46.5  50.4  56.0  54.3  50.7  46.8  43.3  39.2 |   46.5
Avg Wet Bulb Temp   |  42.8  46.6  50.0  51.6  56.9  61.4  65.9  64.1  60.4  53.9  47.4  42.1 |   53.6
                    |                                                                         |
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                    |                                                                         |
Avg Sea Level Pres  | 30.18 30.11 30.05 30.01 29.93 29.87 29.87 29.87 29.87 29.98 30.12 30.18 |  30.00
(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   |   0.2   0.2   0.4   0.7   0.2   0.1   0.5   0.4   0.6   0.4   0.0   0.0 |    3.5
    Heavy Fog       |  14.2   8.1   3.7   0.7   0.0   0.0   0.0   0.0   0.0   0.8   8.8  12.6 |   48.9
    Fog             |  26.8  23.5  19.8  10.7   3.4   1.4   2.1   3.2   7.0  18.4  21.9  24.3 |  162.5
    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     |  1.61  1.26  1.16  0.90  0.44  0.02  0.01  0.00  0.04  0.42  0.65  1.16 |   7.67
                    |                                                                         |
Maximum Daily       |  1.82  0.72  0.85  0.95  0.93  0.18  0.10  0.05  0.22  0.98  1.39  0.86 |   1.82
                    |                                                                         |
    Date of Ext-Day |    02    22    15    17    31    12    07    30    22    26    12    28 |
               -Year|  2006  2004  2003  2000  2002  1998  2001  2007  2007  2004  2001  2004 |
                    |                                                                         |
Avg Number of Days: |                                                                         |
    >= 0.01         |  10.2  10.2   7.3   5.0   2.4   0.3   0.1   0.1   0.6   3.2   9.0  10.7 |   59.2
    >= 0.10         |   4.0   4.1   3.1   2.3   0.8   0.1   0.1   0.0   0.1   1.0   1.6   3.4 |   20.6
    >= 0.25         |   1.8   1.7   1.8   1.4   0.6   0.0   0.0   0.0   0.0   0.4   0.6   1.7 |   10.1
    >= 0.50         |   0.9   0.4   0.6   0.6   0.4   0.0   0.0   0.0   0.0   0.2   0.3   0.5 |    3.8
    >= 1.00         |   0.2   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.1   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|   3.4   4.1   5.1   6.4   7.5   7.5   6.4   6.1   5.2   4.0   3.1   3.3 |    5.2
Daily Avg Max 2-Min |  10.3  12.1  14.0  16.2  16.2  15.7  14.1  13.4  12.8  11.6  10.3  10.8 |   13.1
Daily Avg Peak Gust |  13.0  15.2  18.1  21.4  21.1  20.4  18.1  17.3  16.5  14.8  13.0  13.5 |   16.9
                    |                                                                         |
Maximum Daily Avg   |  14.9  11.8  14.9  14.9  15.0  14.5  11.1  11.5  11.7  15.3  12.8   9.9 |   15.3
                    |                                                                         |
Maximum 2-Minute Avg|    35    30    40    33    30    47    33    29    25    32    30    29 |     47
                    |                                                                         |
Date of Max 2min-Day|    02    19    11    17    31    30    01    18    02    26    27    08 |
               -Year|  2006  2003  2006  2007  2002  2008  2006  2006  2003  2004  2004  2006 |
                    |                                                                         |
Maximum Peak Gust   |    44    38    66    83    45    59    56    46    30    38    33    45 |     83
                    |                                                                         |
Date of Max Gust-Day|    02    20    11    14    07    22    31    18    02    26    27    08 |
               -Year|  2006  2000  2006  2006  2006  2006  2006  2006  2003  2004  2004  2006 |
                    |                                                                         |
Avg Number of Days: |                                                                         |
   Peak Gust >=30   |   0.8   0.9   2.6   3.3   1.5   1.1   0.7   0.5   0.3   0.7   0.6   1.0 |   14.0
   Peak Gust >=40   |   0.1   0.0   0.8   1.0   0.2   0.3   0.4   0.2   0.0   0.0   0.0   0.1 |    3.0
   Peak Gust >=50   |   0.0   0.0   0.1   0.3   0.0   0.2   0.1   0.0   0.0   0.0   0.0   0.0 |    0.7
                    |                                                                         |
   Max 2-Minute >=30|   0.2   0.1   0.6   0.7   0.1   0.3   0.1   0.0   0.0   0.1   0.1   0.0 |    2.3
   Max 2-Minute >=40|   0.0   0.0   0.1   0.0   0.0   0.1   0.0   0.0   0.0   0.0   0.0   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.