STATION:  DEADHORSE-DEADHORSE AIRPORT (PASC), AK

CLIMATOLOGICAL SUMMARY.  Period of Record: Jun 1999 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        |  -7.6  -9.7 -10.6   8.7  25.7  46.3  53.4  48.5  39.5  22.2   6.9  -1.6 |   18.5
Avg Min Temp        | -21.7 -22.6 -24.3  -6.4  15.5  33.5  38.5  36.2  29.6  12.0  -6.5 -14.6 |    5.8
Avg Temperature     | -14.6 -16.1 -17.4   1.2  20.6  39.9  45.9  42.3  34.6  17.1   0.2  -8.1 |   12.1
                    |                                                                         |
Extremes:           |                                                                         |
    Extreme Max Temp|    39    39    27    73    55    77    80    82    67    50    54    35 |     82
                    |                                                                         |
    Date of Ext-Day |    20    16    21    17    24    24    16    05    05    01    17    27 |
               -Year|  2008  2006  2004  2005  2002  2000  2001  1999  2006  2003  2000  2001 |
                    |                                                                         |
    Extreme Min Temp|   -50   -50   -50   -37   -19    21    29    25    -4   -26   -43   -43 |    -50
                    |                                                                         |
    Date of Ext-Day |    13    19    19    02    01    05    12    15    30    20    19    16 |
               -Year|  2008  2004  2008  2004  2001  2000  2000  2000  1999  2001  2005  1999 |
                    |                                                                         |
Heating Degree Days |  2468  2292  2556  1916  1376   753   591   702   913  1486  1943  2266 |  19261
Cooling Degree Days |     0     0     0     0     0     0     0     0     0     0     0     0 |      0
                    |                                                                         |
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   0.0   0.1   0.7   0.5   0.0   0.0   0.0   0.0 |    1.3
    Max Temp <= 32  |  30.2  28.0  31.0  29.2  23.6   1.3   0.0   0.3   5.4  29.6  29.4  30.7 |  238.8
                    |                                                                         |
    Min Temp <= 32  |  31.0  28.2  31.0  30.0  30.7  14.6   3.8   9.1  21.2  30.9  30.0  31.0 |  291.5
    Min Temp <= 20  |  30.9  28.2  31.0  29.3  19.8   0.0   0.0   0.0   2.2  23.6  29.7  30.9 |  225.7
    Min Temp  <= 0  |  29.8  26.2  30.0  20.8   2.9   0.0   0.0   0.0   0.2   5.0  20.9  27.1 |  163.0
                    |                                                                         |
Avg Dew Point Temp  | -11.6 -13.4 -14.0  -1.3  18.5  34.7  40.0  38.2  30.9  14.6  -3.3  -7.3 |   10.5
Avg Wet Bulb Temp   |  -8.1 -10.3 -10.4   1.9  20.5  37.5  42.8  40.3  33.0  16.8  -0.1  -5.1 |   13.2
                    |                                                                         |
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                    |                                                                         |
Avg Sea Level Pres  | 30.12 30.15 30.24 30.11 30.08 29.98 29.95 29.96 30.08 30.00 30.07 30.15 |  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   0.0   0.2   0.4   0.0   0.0   0.0   0.0   0.0 |    0.6
    Heavy Fog       |   3.8   3.4   3.7   6.1   8.9   6.4   5.0   7.4   5.6   3.9   3.7   2.8 |   60.7
    Fog             |  22.3  19.5  21.1  23.3  24.0  17.7  16.3  20.9  19.6  21.8  20.0  20.0 |  246.5
    Hail            |   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
                    |                                                                         |
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                    |                                                                         |
PRECIPITATION (In)  |   Jan   Feb   Mar   Apr   May   Jun   Jul   Aug   Sep   Oct   Nov   Dec |   Year
                    |                                                                         |
Average Monthly     |  0.05  0.02  0.01  0.19  0.25  0.54  1.05  0.93  0.39  0.17  0.06  0.12 |   3.77
                    |                                                                         |
Maximum Daily       |  0.22  0.04  0.02  0.55  0.74  0.75  0.57  0.64  0.52  0.24  0.08  0.64 |   0.75
                    |                                                                         |
    Date of Ext-Day |    23    19    27    27    25    20    08    15    07    04    06    15 |
               -Year|  2008  2006  2007  2004  2008  2006  2008  2002  2002  2003  2003  2008 |
                    |                                                                         |
Avg Number of Days: |                                                                         |
    >= 0.01         |   1.0   1.3   0.7   2.2   4.6   5.4  11.2  10.4   8.3   4.2   3.0   1.8 |   54.2
    >= 0.10         |   0.1   0.0   0.0   0.4   0.5   1.7   2.9   2.7   0.8   0.5   0.0   0.2 |    9.9
    >= 0.25         |   0.0   0.0   0.0   0.1   0.1   0.6   1.1   1.2   0.3   0.0   0.0   0.1 |    3.6
    >= 0.50         |   0.0   0.0   0.0   0.1   0.1   0.1   0.1   0.1   0.1   0.0   0.0   0.1 |    0.8
    >= 1.00         |   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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                    |                                                                         |
WIND (MPH)          |   Jan   Feb   Mar   Apr   May   Jun   Jul   Aug   Sep   Oct   Nov   Dec |   Year
                    |                                                                         |
Daily Avg Wind Speed|  12.1  12.6  12.1  11.8  12.3  12.3  11.4  10.6  11.1  12.0  12.3  12.2 |   11.9
Daily Avg Max 2-Min |  19.7  20.2  19.2  19.2  19.7  20.0  19.9  18.5  19.1  20.2  20.3  20.4 |   19.7
Daily Avg Peak Gust |  21.7  22.3  21.5  21.3  22.1  22.9  23.1  21.6  22.2  23.2  23.1  22.8 |   22.3
                    |                                                                         |
Maximum Daily Avg   |  38.6  43.2  36.1  37.8  37.4  29.3  23.6  27.4  31.0  39.7  37.4  39.9 |   43.2
                    |                                                                         |
Maximum 2-Minute Avg|    52    62    47    52    53    46    47    47    43    55    56    54 |     62
                    |                                                                         |
Date of Max 2min-Day|    23    04    09    30    01    07    02    10    27    09    16    26 |
               -Year|  2008  2002  2005  2002  2002  2007  2002  2000  2005  2006  1999  2004 |
                    |                                                                         |
Maximum Peak Gust   |    62    70    59    59    59    55    55    54    49    66    67    62 |     70
                    |                                                                         |
Date of Max Gust-Day|    23    04    17    27    01    07    02    10    27    09    16    03 |
               -Year|  2008  2002  2006  2002  2002  2007  2002  2000  2005  2006  1999  2007 |
                    |                                                                         |
Avg Number of Days: |                                                                         |
   Peak Gust >=30   |   6.2   6.9   6.0   5.9   6.2   4.8   5.8   4.5   6.7   8.0   7.2   8.0 |   76.1
   Peak Gust >=40   |   3.1   2.6   1.9   1.6   1.1   0.7   0.8   0.7   0.9   2.7   3.2   3.2 |   22.6
   Peak Gust >=50   |   0.6   0.4   0.6   0.3   0.1   0.1   0.2   0.2   0.0   0.7   0.5   0.9 |    4.6
                    |                                                                         |
   Max 2-Minute >=30|   4.8   4.8   3.7   3.7   3.8   2.4   1.7   2.4   2.9   5.0   4.8   0.0 |   40.0
   Max 2-Minute >=40|   1.2   0.9   0.9   0.6   0.2   0.2   0.3   0.2   0.2   0.9   1.0   0.0 |    6.6
                    |                                                                         |
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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.