STATION:  FAIRBANKS INTERNATIONAL AIRPORT (PAFA), AK

CLIMATOLOGICAL SUMMARY.  Period of Record: Jul 1996 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        |  -0.3  12.6  23.5  44.0  60.1  71.5  71.4  65.4  54.6  31.2  11.8   3.8 |   37.5
Avg Min Temp        | -18.0 -10.3  -4.5  20.8  38.4  50.6  52.8  47.2  36.1  16.5  -3.9 -13.3 |   17.7
Avg Temperature     |  -9.2   1.2   9.5  32.4  49.2  61.0  62.1  56.3  45.3  23.9   3.9  -4.7 |   27.6
                    |                                                                         |
Extremes:           |                                                                         |
    Extreme Max Temp|    42    46    55    73    83    89    87    86    74    72    49    45 |     89
                    |                                                                         |
    Date of Ext-Day |    14    22    20    30    25    13    05    04    08    01    10    22 |
               -Year|  2001  1997  1998  2005  2002  1999  1998  1999  1997  2003  1997  1999 |
                    |                                                                         |
    Extreme Min Temp|   -51   -55   -39   -19    20    29    40    28    17   -26   -34   -53 |    -55
                    |                                                                         |
    Date of Ext-Day |    27    04    02    01    03    04    28    28    29    27    28    31 |
               -Year|  2006  1999  2007  2004  2001  2006  2000  1996  2004  1996  2005  1999 |
                    |                                                                         |
Heating Degree Days |  2299  1803  1720   977   489   142   115   277   590  1276  1832  2162 |  13682
Cooling Degree Days |     0     0     0     0     1    23    24     8     0     0     0     0 |     56
                    |                                                                         |
Avg Number of Days: |                                                                         |
    Max Temp >= 90  |   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 Temp >= 75  |   0.0   0.0   0.0   0.0   1.5  10.4  11.8   3.8   0.0   0.0   0.0   0.0 |   27.5
    Max Temp <= 32  |  30.2  25.8  22.8   4.4   0.2   0.0   0.0   0.0   0.0  16.8  27.4  30.1 |  157.7
                    |                                                                         |
    Min Temp <= 32  |  31.0  28.2  31.0  27.2   6.2   0.2   0.0   0.2   9.2  29.4  30.0  31.0 |  223.5
    Min Temp <= 20  |  30.8  27.8  30.5  11.5   0.2   0.0   0.0   0.0   0.3  17.1  28.5  30.9 |  177.7
    Min Temp  <= 0  |  26.0  21.7  19.4   2.1   0.0   0.0   0.0   0.0   0.0   4.2  19.0  25.8 |  118.1
                    |                                                                         |
Avg Dew Point Temp  |  -3.7  -0.3   1.1  18.8  31.2  44.7  49.8  46.7  36.3  20.2  -0.0  -5.5 |   19.9
Avg Wet Bulb Temp   |  -3.1   2.5   8.8  28.1  41.7  52.7  55.2  51.3  41.0  23.6   3.6  -2.5 |   25.2
                    |                                                                         |
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                    |                                                                         |
Avg Sea Level Pres  | 30.22 30.14 30.18 30.08 30.01 29.93 29.89 29.96 30.05 30.08 30.07 30.19 |  30.07
(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   |   0.0   0.0   0.0   0.0   0.4   3.5   2.2   0.3   0.0   0.0   0.0   0.0 |    6.5
    Heavy Fog       |   2.8   1.2   0.1   0.5   0.3   0.2   0.6   1.1   0.8   1.2   0.4   0.8 |   10.1
    Fog             |  14.9  11.4   6.8   3.8   3.9   3.2   6.6   8.0   8.1  10.3   9.7  14.2 |  100.8
    Hail            |   0.0   0.0   0.0   0.0   0.1   0.1   0.0   0.0   0.0   0.0   0.0   0.0 |    0.2
                    |                                                                         |
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                    |                                                                         |
PRECIPITATION (In)  |   Jan   Feb   Mar   Apr   May   Jun   Jul   Aug   Sep   Oct   Nov   Dec |   Year
                    |                                                                         |
Average Monthly     |  0.43  0.25  0.12  0.47  0.63  1.08  2.61  2.01  1.10  0.59  0.26  0.32 |   9.86
                    |                                                                         |
Maximum Daily       |  0.54  0.33  0.23  0.83  0.60  0.88  2.27  0.82  0.78  0.34  0.24  0.30 |   2.27
                    |                                                                         |
    Date of Ext-Day |    18    11    27    26    06    19    27    16    26    19    28    06 |
               -Year|  2000  2001  2001  2002  2004  2005  2003  2002  1999  2004  1996  2008 |
                    |                                                                         |
Avg Number of Days: |                                                                         |
    >= 0.01         |   6.6   4.0   3.0   4.0   7.0   9.4  14.4  14.0  11.0   9.2   5.6   6.3 |   94.6
    >= 0.10         |   1.3   0.9   0.1   1.4   1.7   3.3   6.5   6.5   3.7   2.2   0.6   1.0 |   29.2
    >= 0.25         |   0.3   0.1   0.0   0.7   0.8   1.2   3.4   2.9   1.4   0.3   0.0   0.1 |   11.2
    >= 0.50         |   0.1   0.0   0.0   0.1   0.1   0.2   1.4   0.8   0.2   0.0   0.0   0.0 |    2.9
    >= 1.00         |   0.0   0.0   0.0   0.0   0.0   0.0   0.3   0.0   0.0   0.0   0.0   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|   1.8   2.2   4.4   5.0   5.9   5.0   4.6   4.2   3.9   3.2   1.9   1.4 |    3.6
Daily Avg Max 2-Min |   7.5   8.6  11.6  13.8  16.3  15.4  14.2  12.3  11.3   9.5   7.7   7.1 |   11.3
Daily Avg Peak Gust |   8.7  10.1  13.9  17.0  20.8  19.6  18.5  15.8  14.3  11.6   9.0   8.1 |   14.0
                    |                                                                         |
Maximum Daily Avg   |  16.1  16.1  22.4  15.0  17.6  15.5  13.7  12.8  13.2  13.0  12.0  12.2 |   22.4
                    |                                                                         |
Maximum 2-Minute Avg|    29    31    32    31    30    31    31    31    29    25    22    26 |     32
                    |                                                                         |
Date of Max 2min-Day|    06    29    20    30    22    10    18    12    25    08    16    23 |
               -Year|  2005  2008  2005  2002  1998  2005  2002  2003  1996  2002  1999  2004 |
                    |                                                                         |
Maximum Peak Gust   |    39    39    38    38    45    50    40    37    39    36    28    36 |     50
                    |                                                                         |
Date of Max Gust-Day|    06    21    21    30    29    08    20    12    25    08    10    23 |
               -Year|  2005  2006  2005  2002  1997  1997  1999  2003  1996  2002  2003  2004 |
                    |                                                                         |
Avg Number of Days: |                                                                         |
   Peak Gust >=30   |   0.5   0.6   0.6   0.8   1.8   1.3   1.7   0.8   0.2   0.2   0.0   0.2 |    8.5
   Peak Gust >=40   |   0.0   0.0   0.0   0.0   0.1   0.1   0.1   0.0   0.0   0.0   0.0   0.0 |    0.2
   Peak Gust >=50   |   0.0   0.0   0.0   0.0   0.0   0.1   0.0   0.0   0.0   0.0   0.0   0.0 |    0.1
                    |                                                                         |
   Max 2-Minute >=30|   0.0   0.2   0.2   0.1   0.2   0.1   0.2   0.1   0.0   0.0   0.0   0.0 |    0.9
   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.