STATION:  EVERETT PAINE FIELD (KPAE), WA

CLIMATOLOGICAL SUMMARY.  Period of Record: Sep 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        |  45.5  47.7  50.8  55.7  60.9  65.8  71.6  72.1  66.5  57.4  49.7  44.5 |   57.4
Avg Min Temp        |  36.6  36.2  38.8  41.7  46.5  50.9  54.1  54.8  51.1  45.4  39.9  35.9 |   44.3
Avg Temperature     |  41.0  42.0  44.8  48.7  53.7  58.3  62.9  63.5  58.8  51.4  44.8  40.2 |   50.8
                    |                                                                         |
Extremes:           |                                                                         |
    Extreme Max Temp|    63    62    78    80    88    86    91    87    84    78    64    58 |     91
                    |                                                                         |
    Date of Ext-Day |    19    15    29    11    17    07    23    09    02    23    01    18 |
               -Year|  2005  2002  2004  2004  2008  2003  2004  2004  2006  2007  2008  2003 |
                    |                                                                         |
    Extreme Min Temp|    17    22    24    31    34    41    46    48    43    29    15    10 |     10
                    |                                                                         |
    Date of Ext-Day |    04    18    01    01    07    01    02    28    20    30    28    20 |
               -Year|  2004  2006  2007  2008  2002  1999  1999  2000  2002  2002  2006  2008 |
                    |                                                                         |
Heating Degree Days |   743   650   626   489   353   211    94    69   191   422   606   769 |   5225
Cooling Degree Days |     0     0     0     0     3    12    28    22     5     0     0     0 |     69
                    |                                                                         |
Avg Number of Days: |                                                                         |
    Max Temp >= 90  |   0.0   0.0   0.0   0.0   0.0   0.0   0.4   0.0   0.0   0.0   0.0   0.0 |    0.4
    Max Temp >= 75  |   0.0   0.0   0.1   0.6   1.2   4.1   8.9  10.0   2.8   0.3   0.0   0.0 |   28.0
    Max Temp <= 32  |   0.4   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.1   1.0 |    1.5
                    |                                                                         |
    Min Temp <= 32  |   6.6   6.6   2.1   0.4   0.0   0.0   0.0   0.0   0.0   0.4   3.7   7.9 |   27.7
    Min Temp <= 20  |   0.6   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.2   0.9 |    1.7
    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  |  36.1  35.0  37.5  39.8  44.7  49.0  51.7  52.8  49.9  44.7  39.1  34.2 |   42.9
Avg Wet Bulb Temp   |  38.9  38.9  41.3  43.8  48.6  52.9  55.5  56.8  53.5  47.8  42.0  37.1 |   46.4
                    |                                                                         |
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                    |                                                                         |
Avg Sea Level Pres  | 30.13 30.14 30.10 30.07 30.09 30.08 30.08 30.06 30.07 30.11 30.14 30.15 |  30.10
(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   0.8   0.4   1.0   1.4   0.4   0.6   0.5   0.5   0.0   0.3 |    6.2
    Heavy Fog       |   4.0   3.9   1.3   0.5   0.9   1.3   2.2   3.5   4.3   5.8   3.3   4.0 |   35.0
    Fog             |  20.6  16.5  16.6  13.7  12.2  11.0   9.8  11.6  13.0  18.1  17.4  18.9 |  179.4
    Hail            |   0.0   0.0   0.2   0.0   0.0   0.0   0.1   0.0   0.0   0.0   0.0   0.1 |    0.4
                    |                                                                         |
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                    |                                                                         |
PRECIPITATION (In)  |   Jan   Feb   Mar   Apr   May   Jun   Jul   Aug   Sep   Oct   Nov   Dec |   Year
                    |                                                                         |
Average Monthly     |  4.06  2.69  3.08  2.26  2.16  1.81  0.93  1.04  1.34  2.96  5.09  4.72 |  32.14
                    |                                                                         |
Maximum Daily       |  1.14  0.88  0.79  0.79  1.02  1.58  0.95  1.23  0.91  1.79  1.64  2.86 |   2.86
                    |                                                                         |
    Date of Ext-Day |    29    05    12    07    27    03    01    22    26    20    19    03 |
               -Year|  2004  1999  2003  2005  2004  2008  1999  2001  2001  2003  2003  2007 |
                    |                                                                         |
Avg Number of Days: |                                                                         |
    >= 0.01         |  20.0  15.6  19.7  16.3  15.6  12.7   6.4   8.0  12.6  17.5  18.9  20.4 |  183.6
    >= 0.10         |  11.8   8.3  10.7   7.1   7.1   4.9   2.6   2.8   3.9   7.6  10.9  11.6 |   89.3
    >= 0.25         |   5.5   4.0   4.0   3.3   3.0   1.6   1.4   1.2   1.7   4.5   6.4   6.7 |   43.4
    >= 0.50         |   2.2   1.2   1.2   0.8   0.7   0.7   0.2   0.4   0.7   1.4   3.5   2.5 |   15.4
    >= 1.00         |   0.3   0.0   0.0   0.0   0.1   0.3   0.0   0.1   0.0   0.1   0.9   0.6 |    2.4
                    |                                                                         |
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                    |                                                                         |
WIND (MPH)          |   Jan   Feb   Mar   Apr   May   Jun   Jul   Aug   Sep   Oct   Nov   Dec |   Year
                    |                                                                         |
Daily Avg Wind Speed|   9.2   7.9   8.8   7.6   6.7   6.3   6.0   5.9   5.3   6.8   8.4   8.8 |    7.3
Daily Avg Max 2-Min |  19.2  16.9  18.7  16.3  14.5  13.7  12.9  12.7  12.5  15.4  17.8  18.4 |   15.7
Daily Avg Peak Gust |  23.8  21.3  23.2  20.5  18.6  17.6  16.8  16.7  16.1  19.4  22.4  23.1 |   20.0
                    |                                                                         |
Maximum Daily Avg   |  22.8  23.0  25.2  23.0  19.2  13.7  13.6  16.1  16.7  22.1  24.3  24.0 |   25.2
                    |                                                                         |
Maximum 2-Minute Avg|    48    45    45    39    37    36    28    30    39    46    39    51 |     51
                    |                                                                         |
Date of Max 2min-Day|    16    22    03    13    15    09    22    25    24    18    24    14 |
               -Year|  2000  1999  1999  2002  2001  2008  2005  1999  1999  2007  1998  2006 |
                    |                                                                         |
Maximum Peak Gust   |    60    57    57    46    44    44    35    38    49    56    54    66 |     66
                    |                                                                         |
Date of Max Gust-Day|    16    22    03    13    15    09    22    25    29    18    24    14 |
               -Year|  2000  1999  1999  2002  2001  2008  2005  1999  2005  2007  1998  2006 |
                    |                                                                         |
Avg Number of Days: |                                                                         |
   Peak Gust >=30   |   9.1   5.3   8.0   4.4   2.0   1.1   0.6   0.9   1.5   5.1   6.9   8.0 |   53.0
   Peak Gust >=40   |   2.6   2.0   1.8   0.4   0.3   0.1   0.0   0.0   0.2   1.0   1.8   2.5 |   12.7
   Peak Gust >=50   |   0.4   0.3   0.2   0.0   0.0   0.0   0.0   0.0   0.0   0.2   0.1   0.5 |    1.6
                    |                                                                         |
   Max 2-Minute >=30|   4.3   2.7   2.5   1.1   0.3   0.2   0.0   0.1   0.5   1.7   3.2   0.0 |   16.6
   Max 2-Minute >=40|   0.5   0.2   0.3   0.0   0.0   0.0   0.0   0.0   0.0   0.3   0.0   0.0 |    1.3
                    |                                                                         |
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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.