STATION:  KOTZEBUE-RALPH WIEN MEMORIAL AIRPORT (PAOT), 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        |   3.0   8.1   9.2  22.5  37.8  52.2  58.9  56.3  47.4  28.8  16.3   7.9 |   29.0
Avg Min Temp        | -11.0  -5.9  -5.4   8.0  26.0  40.7  49.5  47.5  39.1  20.7   6.5  -5.3 |   17.5
Avg Temperature     |  -4.0   1.1   1.9  15.2  31.9  46.4  54.2  51.9  43.3  24.8  11.4   1.3 |   23.3
                    |                                                                         |
Extremes:           |                                                                         |
    Extreme Max Temp|    37    37    37    41    71    84    80    76    67    54    40    36 |     84
                    |                                                                         |
    Date of Ext-Day |    30    14    20    07    26    30    04    18    04    01    05    20 |
               -Year|  2007  2006  1998  2004  2002  2004  2008  2004  1996  2003  2003  2000 |
                    |                                                                         |
    Extreme Min Temp|   -46   -44   -33   -26    -9    24    32    30    21    -7   -28   -36 |    -46
                    |                                                                         |
    Date of Ext-Day |    21    02    02    05    02    04    02    26    30    25    21    19 |
               -Year|  2006  2006  1999  2005  2001  1999  2002  1996  2004  1996  2008  2001 |
                    |                                                                         |
Heating Degree Days |  2138  1806  1956  1493  1025   558   339   408   652  1247  1608  1975 |  15205
Cooling Degree Days |     0     0     0     0     0     1     3     1     0     0     0     0 |      5
                    |                                                                         |
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   0.3   0.8   0.3   0.0   0.0   0.0   0.0 |    1.4
    Max Temp <= 32  |  30.1  27.4  30.4  23.0   8.2   0.1   0.0   0.0   0.0  18.6  27.5  30.0 |  195.2
                    |                                                                         |
    Min Temp <= 32  |  31.0  28.2  31.0  29.7  23.4   4.5   0.1   0.2   5.7  26.8  29.7  30.9 |  241.2
    Min Temp <= 20  |  29.8  27.0  30.6  23.4   6.8   0.0   0.0   0.0   0.0  14.0  25.2  29.4 |  186.2
    Min Temp  <= 0  |  22.7  18.1  20.5   9.4   0.6   0.0   0.0   0.0   0.0   1.1  10.7  20.8 |  103.8
                    |                                                                         |
Avg Dew Point Temp  |  -4.4  -2.2  -3.0  11.3  26.4  39.9  47.8  46.2  37.2  21.0   6.3  -1.7 |   18.7
Avg Wet Bulb Temp   |  -1.6   1.4   2.1  14.8  29.5  43.0  50.7  49.1  40.7  24.3  10.1   1.7 |   22.2
                    |                                                                         |
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                    |                                                                         |
Avg Sea Level Pres  | 30.12 30.10 30.17 30.08 30.02 29.93 29.88 29.95 30.01 30.00 30.04 30.14 |  30.04
(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   0.1   0.0   0.2   0.0   0.0   0.0   0.0   0.0 |    0.3
    Heavy Fog       |   1.3   1.7   1.3   2.1   5.4   5.3   1.7   1.3   1.1   0.7   1.2   0.8 |   23.8
    Fog             |  15.5  14.0  11.3  15.1  13.7  12.8  10.6  11.3   8.8   9.9  10.2  14.5 |  147.8
    Hail            |   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.1   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     |  0.71  0.66  0.31  0.65  0.39  0.68  1.41  2.10  1.56  0.84  0.66  0.76 |  10.75
                    |                                                                         |
Maximum Daily       |  0.42  0.41  0.80  0.55  0.44  0.67  0.83  0.78  0.79  1.32  1.00  1.04 |   1.32
                    |                                                                         |
    Date of Ext-Day |    10    19    12    06    06    08    12    19    12    03    14    29 |
               -Year|  2007  1997  2006  2001  2004  1998  2008  1998  1999  1997  2008  2003 |
                    |                                                                         |
Avg Number of Days: |                                                                         |
    >= 0.01         |   8.6   9.8   4.7   7.3   6.3   6.3  11.2  14.2  12.4   9.8   9.5  10.7 |  110.8
    >= 0.10         |   2.5   2.3   0.7   1.7   1.2   1.8   4.2   6.5   4.8   2.3   2.2   2.3 |   32.5
    >= 0.25         |   0.5   0.4   0.2   0.8   0.2   0.7   2.1   3.2   2.0   0.8   0.5   0.4 |   11.7
    >= 0.50         |   0.0   0.0   0.1   0.3   0.0   0.4   0.5   0.9   0.5   0.2   0.1   0.2 |    3.0
    >= 1.00         |   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.1   0.1   0.1 |    0.2
                    |                                                                         |
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                    |                                                                         |
WIND (MPH)          |   Jan   Feb   Mar   Apr   May   Jun   Jul   Aug   Sep   Oct   Nov   Dec |   Year
                    |                                                                         |
Daily Avg Wind Speed|  10.8  11.7  10.5  11.2   9.3   9.9  11.0  11.3  11.7  11.9  12.5  11.0 |   11.1
Daily Avg Max 2-Min |  20.2  21.1  19.1  19.9  17.3  18.0  19.2  19.4  19.5  19.4  22.0  20.5 |   19.6
Daily Avg Peak Gust |  22.9  24.0  21.8  22.4  19.8  20.5  22.3  22.8  22.9  22.8  25.7  23.3 |   22.6
                    |                                                                         |
Maximum Daily Avg   |  37.5  36.5  36.2  33.0  28.4  24.5  23.7  28.7  30.1  35.3  39.7  38.7 |   39.7
                    |                                                                         |
Maximum 2-Minute Avg|    51    59    46    56    37    35    37    39    43    53    52    52 |     59
                    |                                                                         |
Date of Max 2min-Day|    01    19    16    02    04    18    22    19    22    18    27    25 |
               -Year|  2005  2006  2002  2001  2002  2005  1998  1998  2005  2004  2003  2004 |
                    |                                                                         |
Maximum Peak Gust   |    55    68    53    60    40    43    43    47    51    61    61    60 |     68
                    |                                                                         |
Date of Max Gust-Day|    01    19    16    02    04    18    22    19    22    18    30    25 |
               -Year|  2005  2006  2002  2001  2002  2005  1998  1998  2005  2004  2007  2004 |
                    |                                                                         |
Avg Number of Days: |                                                                         |
   Peak Gust >=30   |   8.7   9.6   7.1   6.4   2.9   2.3   2.9   5.5   5.6   7.0  10.3   8.1 |   76.3
   Peak Gust >=40   |   3.0   3.4   1.9   1.5   0.2   0.1   0.2   0.4   0.9   1.8   3.2   3.4 |   20.0
   Peak Gust >=50   |   0.7   0.6   0.3   0.4   0.0   0.0   0.0   0.0   0.1   0.1   0.7   1.3 |    4.0
                    |                                                                         |
   Max 2-Minute >=30|   6.2   6.3   4.7   3.9   0.8   0.7   1.2   1.7   2.4   3.6   6.3   0.0 |   37.8
   Max 2-Minute >=40|   1.8   1.9   0.9   1.0   0.0   0.0   0.0   0.0   0.3   0.5   1.3   0.0 |    7.7
                    |                                                                         |
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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.