STATION:  COLD BAY AIRPORT (PACD), AK

CLIMATOLOGICAL SUMMARY.  Period of Record: Oct 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        |  32.3  34.6  34.4  39.9  45.8  51.7  55.7  56.8  53.2  45.7  39.0  34.2 |   43.6
Avg Min Temp        |  22.4  25.2  24.2  29.3  35.2  41.8  46.7  47.8  42.8  35.0  29.8  24.2 |   33.7
Avg Temperature     |  27.3  29.9  29.3  34.6  40.5  46.8  51.2  52.3  48.0  40.4  34.4  29.2 |   38.7
                    |                                                                         |
Extremes:           |                                                                         |
    Extreme Max Temp|    46    49    47    54    68    72    70    74    66    59    56    45 |     74
                    |                                                                         |
    Date of Ext-Day |    20    18    28    26    28    28    10    12    24    25    07    04 |
               -Year|  2003  2006  1998  1998  2006  2001  2004  2007  1998  2004  2003  1997 |
                    |                                                                         |
    Extreme Min Temp|   -13    -5    -1     7    22    27    36    32    28     6    10    -1 |    -13
                    |                                                                         |
    Date of Ext-Day |    30    09    24    04    16    22    03    28    26    31    21    22 |
               -Year|  2000  1999  2007  2004  2003  2006  1999  1999  2008  1999  2005  2006 |
                    |                                                                         |
Heating Degree Days |  1168   992  1107   912   760   547   427   394   510   764   919  1109 |   9609
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   0.0   0.0   0.0   0.0   0.0   0.0   0.0 |    0.0
    Max Temp <= 32  |  11.9   7.5   9.4   2.8   0.5   0.0   0.0   0.0   0.0   0.1   4.2  10.6 |   47.1
                    |                                                                         |
    Min Temp <= 32  |  25.0  21.9  24.7  21.1   9.2   0.5   0.0   0.1   0.7   9.2  19.9  24.7 |  157.1
    Min Temp <= 20  |  13.2   7.3   9.9   2.0   0.0   0.0   0.0   0.0   0.0   0.3   2.2  10.8 |   45.7
    Min Temp  <= 0  |   0.4   0.3   0.1   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.1 |    0.9
                    |                                                                         |
Avg Dew Point Temp  |  24.0  26.7  24.3  29.2  34.6  41.8  47.1  48.5  43.5  35.4  30.3  26.1 |   34.3
Avg Wet Bulb Temp   |  26.7  29.0  27.4  32.4  37.6  43.9  48.6  50.0  45.8  38.3  33.1  28.9 |   36.8
                    |                                                                         |
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                    |                                                                         |
Avg Sea Level Pres  | 30.35 30.41 30.26 30.21 30.09 30.02 30.01 30.04 30.05 30.15 30.21 30.41 |  30.19
(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   0.0   0.0   0.0   0.0   0.0   0.1   0.0 |    0.1
    Heavy Fog       |   2.9   2.6   1.6   1.3   0.9   2.3   2.6   3.0   0.5   0.4   1.4   2.3 |   21.9
    Fog             |  17.3  18.2  16.8  17.9  16.3  16.6  19.4  21.3  17.5  18.0  17.5  18.6 |  215.5
    Hail            |   0.3   0.3   0.6   0.4   0.2   0.0   0.0   0.0   0.1   0.8   0.7   0.8 |    4.0
                    |                                                                         |
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                    |                                                                         |
PRECIPITATION (In)  |   Jan   Feb   Mar   Apr   May   Jun   Jul   Aug   Sep   Oct   Nov   Dec |   Year
                    |                                                                         |
Average Monthly     |  3.42  3.21  3.13  2.94  2.97  3.01  2.26  3.87  4.17  5.14  5.72  4.75 |  44.59
                    |                                                                         |
Maximum Daily       |  2.85  1.62  1.54  1.09  1.90  2.76  0.95  1.62  2.12  1.53  3.22  3.63 |   3.63
                    |                                                                         |
    Date of Ext-Day |    22    13    15    09    29    22    18    28    18    24    12    02 |
               -Year|  1999  2006  2002  1998  2000  2001  1998  2000  1998  2000  2000  2000 |
                    |                                                                         |
Avg Number of Days: |                                                                         |
    >= 0.01         |  21.5  20.8  19.6  19.8  17.8  17.7  18.8  21.6  22.0  26.0  25.3  24.1 |  254.7
    >= 0.10         |   8.8   8.7   8.4   7.6   7.0   8.8   7.0   9.7  11.0  14.5  13.9  11.6 |  117.0
    >= 0.25         |   4.0   3.9   4.2   4.2   3.3   2.9   2.6   4.4   5.5   6.9   6.2   5.3 |   53.4
    >= 0.50         |   1.1   1.5   1.5   1.3   1.6   1.3   0.6   1.7   1.9   2.6   2.9   2.4 |   20.4
    >= 1.00         |   0.5   0.2   0.2   0.3   0.5   0.3   0.0   0.8   0.5   0.5   0.8   0.9 |    5.5
                    |                                                                         |
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                    |                                                                         |
WIND (MPH)          |   Jan   Feb   Mar   Apr   May   Jun   Jul   Aug   Sep   Oct   Nov   Dec |   Year
                    |                                                                         |
Daily Avg Wind Speed|  16.4  17.1  16.6  16.0  15.8  14.1  13.4  14.5  14.8  15.6  16.9  15.7 |   15.6
Daily Avg Max 2-Min |  29.7  30.1  29.6  29.1  26.5  23.6  23.0  25.6  26.9  28.8  32.2  30.4 |   28.0
Daily Avg Peak Gust |  35.4  35.8  35.3  34.6  31.7  28.0  27.2  30.4  32.1  34.9  38.6  36.4 |   33.4
                    |                                                                         |
Maximum Daily Avg   |  43.4  45.6  34.1  33.2  35.1  33.0  33.4  32.1  35.5  36.5  41.9  39.1 |   45.6
                    |                                                                         |
Maximum 2-Minute Avg|    68    71    62    61    58    56    53    47    53    55    66    60 |     71
                    |                                                                         |
Date of Max 2min-Day|    30    17    23    21    15    16    02    02    24    17    03    12 |
               -Year|  2007  2000  1998  2005  2004  2005  2001  2000  1998  2005  2000  2000 |
                    |                                                                         |
Maximum Peak Gust   |    83    79    76    79    66    61    63    60    67    67    81    75 |     83
                    |                                                                         |
Date of Max Gust-Day|    30    17    23    21    18    16    01    02    10    29    03    12 |
               -Year|  2007  2000  1998  2005  1997  2005  2008  2000  2007  2003  2000  2000 |
                    |                                                                         |
Avg Number of Days: |                                                                         |
   Peak Gust >=30   |  20.0  17.8  21.1  19.0  16.7  11.0  10.3  14.4  17.0  21.0  22.9  21.8 |  213.0
   Peak Gust >=40   |  10.7  10.4   9.9   9.1   6.7   3.3   3.9   7.1   7.2   9.3  13.5  11.2 |  102.2
   Peak Gust >=50   |   4.9   4.8   3.3   3.7   2.1   0.4   1.3   1.8   1.8   3.0   4.5   4.9 |   36.6
                    |                                                                         |
   Max 2-Minute >=30|  14.8  13.9  15.2  13.8  10.3   6.1   5.8  10.5  10.9  14.2  18.4   0.0 |  133.8
   Max 2-Minute >=40|   6.2   5.9   4.9   5.0   3.1   1.2   2.0   3.2   2.8   3.6   6.0   0.0 |   43.9
                    |                                                                         |
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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.