STATION:  BARROW-W POST-WILL ROGERS MEMORIAL AIRPORT (PABR),

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        |  -7.3  -7.6  -5.7   9.6  25.0  40.8  46.9  44.2  37.2  23.9  11.1   0.2 |   18.2
Avg Min Temp        | -19.4 -19.4 -18.2  -3.4  16.1  31.0  34.9  34.8  30.4  15.6   0.2 -11.5 |    7.6
Avg Temperature     | -13.4 -13.5 -11.9   3.1  20.6  35.9  40.9  39.5  33.8  19.7   5.6  -5.7 |   12.9
                    |                                                                         |
Extremes:           |                                                                         |
    Extreme Max Temp|    33    35    34    36    43    67    76    74    61    40    35    32 |     76
                    |                                                                         |
    Date of Ext-Day |    20    14    21    26    28    29    01    05    05    02    16    21 |
               -Year|  2008  2006  1998  2002  1998  1998  1999  1999  2006  2003  1996  1998 |
                    |                                                                         |
    Extreme Min Temp|   -47   -55   -46   -27   -16    17    25    25    10   -26   -29   -42 |    -55
                    |                                                                         |
    Date of Ext-Day |    14    03    11    12    10    01    08    28    20    27    29    21 |
               -Year|  2008  2006  2006  2008  2001  1997  2002  1996  1996  1996  2003  2007 |
                    |                                                                         |
Heating Degree Days |  2429  2217  2385  1858  1378   873   746   791   935  1403  1781  2191 |  18987
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   0.1   0.0   0.0   0.0   0.0   0.0 |    0.1
    Max Temp <= 32  |  30.9  28.0  30.9  29.8  24.6   3.1   0.1   0.4   6.1  28.2  29.5  31.0 |  242.7
                    |                                                                         |
    Min Temp <= 32  |  31.0  28.2  31.0  30.0  30.7  20.5  10.6  11.7  20.4  30.8  30.0  31.0 |  306.1
    Min Temp <= 20  |  31.0  28.2  30.9  29.5  19.1   0.3   0.0   0.0   1.2  19.1  28.8  30.9 |  219.2
    Min Temp  <= 0  |  30.0  26.7  29.0  19.4   1.8   0.0   0.0   0.0   0.0   3.7  15.4  26.5 |  152.3
                    |                                                                         |
Avg Dew Point Temp  | -11.9 -13.2 -14.5  -0.9  18.0  32.5  36.8  36.6  31.1  17.5   0.8  -7.6 |   10.4
Avg Wet Bulb Temp   |  -9.9 -10.3 -10.9   2.3  20.0  34.4  38.7  38.2  33.2  20.3   4.1  -4.5 |   13.0
                    |                                                                         |
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                    |                                                                         |
Avg Sea Level Pres  | 30.15 30.14 30.28 30.12 30.10 30.02 29.98 29.96 30.03 29.98 30.03 30.15 |  30.08
(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   0.2   0.1   0.0   0.0   0.0   0.0 |    0.4
    Heavy Fog       |   0.9   1.6   0.9   2.7   6.4   8.8   9.4   7.3   4.8   2.1   2.0   1.0 |   48.0
    Fog             |  17.9  16.3  17.2  19.3  17.7  15.9  12.7  16.0  15.5  16.0  16.5  19.1 |  200.2
    Hail            |   0.0   0.0   0.0   0.2   0.0   0.2   0.1   0.0   0.3   0.5   0.0   0.0 |    1.2
                    |                                                                         |
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                    |                                                                         |
PRECIPITATION (In)  |   Jan   Feb   Mar   Apr   May   Jun   Jul   Aug   Sep   Oct   Nov   Dec |   Year
                    |                                                                         |
Average Monthly     |  0.16  0.10  0.06  0.16  0.17  0.41  0.93  1.09  0.77  0.47  0.23  0.14 |   4.69
                    |                                                                         |
Maximum Daily       |  0.62  0.09  0.13  0.36  0.18  0.29  0.63  0.62  0.62  0.33  0.13  0.10 |   0.63
                    |                                                                         |
    Date of Ext-Day |    08    19    20    05    06    26    04    08    09    30    17    19 |
               -Year|  2001  2006  2004  2008  2000  2002  2000  2005  2003  2003  2001  1998 |
                    |                                                                         |
Avg Number of Days: |                                                                         |
    >= 0.01         |   4.6   4.1   3.0   5.0   4.9   6.2   9.5  10.9  12.4  13.8   8.7   6.2 |   89.4
    >= 0.10         |   0.3   0.0   0.1   0.2   0.3   1.5   3.2   4.2   2.1   0.6   0.2   0.1 |   12.6
    >= 0.25         |   0.1   0.0   0.0   0.1   0.0   0.2   1.1   0.9   0.8   0.1   0.0   0.0 |    3.2
    >= 0.50         |   0.1   0.0   0.0   0.0   0.0   0.0   0.1   0.2   0.1   0.0   0.0   0.0 |    0.4
    >= 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|  11.9  12.6  12.0  11.9  11.8  11.6  12.4  11.6  12.3  13.9  13.7  12.5 |   12.3
Daily Avg Max 2-Min |  18.4  18.8  17.6  18.3  17.9  17.9  19.0  18.8  19.5  21.4  21.1  19.1 |   19.0
Daily Avg Peak Gust |  21.4  21.7  20.3  21.1  20.7  21.0  22.7  22.7  23.4  25.0  24.4  22.2 |   22.2
                    |                                                                         |
Maximum Daily Avg   |  35.7  32.8  31.1  32.8  25.5  27.1  30.8  31.3  30.1  44.3  39.2  35.0 |   44.3
                    |                                                                         |
Maximum 2-Minute Avg|    53    58    43    51    38    36    46    55    44    55    49    46 |     58
                    |                                                                         |
Date of Max 2min-Day|    08    19    09    26    01    02    29    10    27    09    10    29 |
               -Year|  2001  2006  2005  2002  2002  2008  2003  2000  2004  2006  2000  2003 |
                    |                                                                         |
Maximum Peak Gust   |    60    70    47    60    41    41    58    64    54    67    55    55 |     70
                    |                                                                         |
Date of Max Gust-Day|    08    19    03    26    01    18    29    10    27    09    10    29 |
               -Year|  2001  2006  2004  2002  2002  2005  2003  2000  2004  2006  2000  2003 |
                    |                                                                         |
Avg Number of Days: |                                                                         |
   Peak Gust >=30   |   6.1   5.5   4.4   4.3   3.4   3.1   4.5   5.5   6.4   8.7   8.4   7.3 |   67.6
   Peak Gust >=40   |   1.6   1.0   0.8   0.5   0.1   0.2   0.5   0.9   0.9   2.1   1.5   1.8 |   12.0
   Peak Gust >=50   |   0.2   0.2   0.0   0.2   0.0   0.0   0.1   0.2   0.2   0.3   0.2   0.2 |    1.7
                    |                                                                         |
   Max 2-Minute >=30|   3.6   2.8   2.3   1.7   0.8   0.6   1.2   1.5   2.6   4.6   4.1   0.0 |   25.7
   Max 2-Minute >=40|   0.3   0.7   0.2   0.3   0.0   0.0   0.1   0.3   0.2   0.8   0.6   0.0 |    3.5
                    |                                                                         |
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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.