STATION:  UKIAH MUNICIPAL AIRPORT (KUKI), CA

CLIMATOLOGICAL SUMMARY.  Period of Record: Jan 2001 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        |  56.4  60.1  65.8  66.9  78.9  84.9  93.9  92.2  87.8  77.4  63.6  55.4 |   73.6
Avg Min Temp        |  36.0  37.7  40.0  41.5  47.0  51.6  56.4  54.1  49.6  43.9  40.1  37.2 |   44.6
Avg Temperature     |  46.2  48.9  52.9  54.2  62.9  68.2  75.1  73.2  68.7  60.6  51.8  46.3 |   59.1
                    |                                                                         |
Extremes:           |                                                                         |
    Extreme Max Temp|    76    79    88    93   103   107   112   108   105   103    82    87 |    112
                    |                                                                         |
    Date of Ext-Day |    23    27    30    26    30    24    22    28    22    01    07    05 |
               -Year|  2006  2002  2002  2004  2001  2006  2006  2008  2003  2001  2007  2006 |
                    |                                                                         |
    Extreme Min Temp|    19    26    28    31    36    40    46    46    39    30    26    23 |     19
                    |                                                                         |
    Date of Ext-Day |    13    08    18    08    01    07    02    26    25    31    23    03 |
               -Year|  2007  2001  2002  2001  2008  2005  2003  2005  2005  2002  2003  2004 |
                    |                                                                         |
Heating Degree Days |   583   456   376   330   118    26     0     1    26   157   395   579 |   3047
Cooling Degree Days |     0     0     1     5    55   123   315   254   138    21     0     0 |    911
                    |                                                                         |
Avg Number of Days: |                                                                         |
    Max Temp >= 90  |   0.0   0.0   0.0   0.4   5.8   8.9  22.5  20.6  14.4   2.8   0.0   0.0 |   75.2
    Max Temp >= 75  |   0.1   1.4   7.3   7.6  20.1  26.8  31.0  31.0  27.9  19.3   3.3   0.5 |  176.2
    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  |  11.1   7.0   2.0   0.8   0.0   0.0   0.0   0.0   0.0   0.4   4.3   9.4 |   34.9
    Min Temp <= 20  |   0.3   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0 |    0.3
    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  |  39.4  39.5  40.9  41.3  44.7  47.5  52.1  50.0  46.0  42.9  42.9  40.2 |   43.9
Avg Wet Bulb Temp   |  42.5  43.7  46.3  47.3  52.8  56.5  61.0  59.2  55.4  50.4  46.7  43.0 |   50.4
                    |                                                                         |
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                    |                                                                         |
Avg Sea Level Pres  | 30.15 30.07 30.08 30.02 29.96 29.92 29.89 29.90 29.90 29.99 30.11 30.11 |  30.01
(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   0.1   0.3   0.1   0.0   0.1   0.1   0.0   0.4   0.0   0.1   0.5 |    2.0
    Heavy Fog       |   7.8   2.8   1.1   0.5   0.2   0.1   0.0   0.0   0.8   0.6   3.8   5.4 |   23.0
    Fog             |  24.4  17.2  10.7   8.4   4.0   1.5   0.1   1.6   2.9   4.8  17.9  22.4 |  115.9
    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     |  5.38  5.70  3.72  2.97  0.83  0.30  0.02  0.00  0.12  1.14  3.97 11.08 |  35.23
                    |                                                                         |
Maximum Daily       |  3.09  2.37  2.23  1.62  1.22  1.09  0.08  0.00  0.37  1.90  2.02  4.36 |   4.36
                    |                                                                         |
    Date of Ext-Day |    04    25    05    12    18    08    18          19    19    28    30 |
               -Year|  2008  2004  2006  2003  2005  2005  2007        2008  2004  2005  2005 |
                    |                                                                         |
Avg Number of Days: |                                                                         |
    >= 0.01         |  15.1  12.4  10.6  10.0   3.2   1.4   0.5   0.0   1.1   5.6  13.4  18.9 |   92.2
    >= 0.10         |   8.9   8.4   7.1   5.5   2.0   0.8   0.0   0.0   0.5   3.0   6.5  13.4 |   55.9
    >= 0.25         |   6.5   6.4   4.4   4.2   1.4   0.4   0.0   0.0   0.1   1.5   4.0  10.6 |   39.5
    >= 0.50         |   3.9   3.6   2.4   1.9   0.5   0.1   0.0   0.0   0.0   0.6   2.4   7.1 |   22.5
    >= 1.00         |   1.5   2.0   0.9   0.9   0.1   0.1   0.0   0.0   0.0   0.1   1.4   4.2 |   11.3
                    |                                                                         |
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                    |                                                                         |
WIND (MPH)          |   Jan   Feb   Mar   Apr   May   Jun   Jul   Aug   Sep   Oct   Nov   Dec |   Year
                    |                                                                         |
Daily Avg Wind Speed|   2.4   3.1   3.7   4.5   4.7   5.6   4.5   4.0   3.2   2.6   2.1   3.1 |    3.6
Daily Avg Max 2-Min |  11.0  12.5  14.7  15.9  15.8  16.1  14.8  14.8  14.1  12.2  10.8  12.0 |   13.7
Daily Avg Peak Gust |  14.5  16.3  19.2  20.7  20.5  21.1  19.4  19.0  18.2  15.8  14.2  16.3 |   17.9
                    |                                                                         |
Maximum Daily Avg   |  11.5  12.0  11.7  11.8  13.4  13.3   9.0   8.6   8.7  10.8  10.7  12.4 |   13.4
                    |                                                                         |
Maximum 2-Minute Avg|    26    28    26    30    25    28    22    24    24    28    25    29 |     30
                    |                                                                         |
Date of Max 2min-Day|    31    25    27    07    10    08    29    20    19    09    24    27 |
               -Year|  2008  2004  2006  2001  2004  2002  2001  2002  2007  2003  2001  2006 |
                    |                                                                         |
Maximum Peak Gust   |    39    35    35    40    39    37    32    32    33    36    35    46 |     46
                    |                                                                         |
Date of Max Gust-Day|    04    25    27    08    20    08    29    20    19    09    24    27 |
               -Year|  2008  2004  2006  2005  2008  2002  2001  2002  2007  2003  2001  2006 |
                    |                                                                         |
Avg Number of Days: |                                                                         |
   Peak Gust >=30   |   1.3   1.5   1.1   1.5   0.8   0.9   0.1   0.1   0.3   0.6   0.9   2.4 |   11.6
   Peak Gust >=40   |   0.0   0.0   0.0   0.1   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.4 |    0.5
   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   0.0   0.1   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0 |    0.1
   Max 2-Minute >=40|   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   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.