STATION:  DELTA JUNCTION/FT-ALLEN ARMY AIRFIELD (PABI), 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        |   5.9  17.4  23.7  42.7  57.2  68.2  68.8  63.9  52.2  32.3  15.4   8.6 |   38.0
Avg Min Temp        |  -8.3   1.3   2.7  23.2  36.6  49.2  51.2  45.9  35.6  19.0   2.1  -5.3 |   21.1
Avg Temperature     |  -1.2   9.4  13.2  33.0  46.9  58.7  60.0  54.9  43.9  25.6   8.8   1.6 |   29.6
                    |                                                                         |
Extremes:           |                                                                         |
    Extreme Max Temp|    53    51    65    68    82    88    85    85    71    74    59    45 |     88
                    |                                                                         |
    Date of Ext-Day |    20    04    21    26    25    24    09    10    12    02    09    26 |
               -Year|  2008  2003  1999  2003  2002  2004  2003  2005  2007  2003  1999  1999 |
                    |                                                                         |
    Extreme Min Temp|   -52   -51   -35   -21     0    26    36    29    13   -17   -34   -43 |    -52
                    |                                                                         |
    Date of Ext-Day |    07    03    02    01    19    05    18    28    29    31    24    31 |
               -Year|  1997  1999  2007  2004  1997  2006  2003  1996  1999  1999  2006  2008 |
                    |                                                                         |
Heating Degree Days |  2053  1572  1606   960   562   202   164   318   633  1222  1686  1964 |  12943
Cooling Degree Days |     0     0     0     0     0    12     9     3     0     0     0     0 |     25
                    |                                                                         |
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   0.8   6.7   7.3   3.2   0.0   0.0   0.0   0.0 |   18.0
    Max Temp <= 32  |  28.6  23.9  22.6   5.4   0.2   0.0   0.0   0.0   0.7  15.7  26.6  29.4 |  153.0
                    |                                                                         |
    Min Temp <= 32  |  31.0  27.9  30.6  24.2   7.2   0.4   0.0   0.5  10.3  27.7  29.8  30.9 |  220.5
    Min Temp <= 20  |  29.5  25.3  27.1   9.0   1.3   0.0   0.0   0.0   1.2  16.2  26.0  29.6 |  165.4
    Min Temp  <= 0  |  19.1  11.0  13.3   1.8   0.8   0.0   0.0   0.0   0.0   2.5  13.7  18.7 |   81.0
                    |                                                                         |
Avg Dew Point Temp  |  -3.1   4.9   3.1  17.4  29.0  41.3  47.2  43.6  34.0  20.0   3.9  -1.8 |   20.0
Avg Wet Bulb Temp   |   1.3   9.6  11.8  28.1  39.9  50.0  53.0  48.8  39.5  23.8   8.4   3.0 |   26.4
                    |                                                                         |
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                    |                                                                         |
Avg Sea Level Pres  | 30.24 30.12 30.20 30.07 30.03 29.94 29.90 29.98 30.06 30.08 30.08 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   0.9   2.1   1.9   0.3   0.1   0.0   0.0   0.0 |    5.3
    Heavy Fog       |   0.8   1.2   0.2   0.5   0.6   0.2   0.5   0.9   1.6   2.5   0.7   0.3 |   10.2
    Fog             |  10.3   8.0   8.0   5.2   5.2   6.2   6.7   9.0   8.0  12.4   9.3   7.4 |   95.7
    Hail            |   0.0   0.0   0.0   0.1   0.2   0.2   0.0   0.0   0.0   0.0   0.0   0.0 |    0.4
                    |                                                                         |
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                    |                                                                         |
PRECIPITATION (In)  |   Jan   Feb   Mar   Apr   May   Jun   Jul   Aug   Sep   Oct   Nov   Dec |   Year
                    |                                                                         |
Average Monthly     |  0.17  0.13  0.09  0.22  0.82  1.91  2.84  1.87  1.03  0.42  0.41  0.27 |  10.18
                    |                                                                         |
Maximum Daily       |  0.25  0.20  0.09  0.55  0.53  2.02  2.27  1.08  1.25  0.35  1.78  0.30 |   2.27
                    |                                                                         |
    Date of Ext-Day |    04    03    01    21    06    22    28    16    16    21    10    04 |
               -Year|  2005  2000  2002  1999  2004  2006  2008  2002  2007  2006  2004  1996 |
                    |                                                                         |
Avg Number of Days: |                                                                         |
    >= 0.01         |   5.3   3.5   3.6   4.6   8.9  11.4  15.8  13.3  10.1   7.4   6.2   7.2 |   97.3
    >= 0.10         |   0.4   0.3   0.0   0.6   2.6   5.9   7.2   5.1   2.8   1.4   0.7   0.9 |   27.7
    >= 0.25         |   0.1   0.0   0.0   0.1   1.1   2.3   4.0   2.8   1.2   0.4   0.2   0.1 |   12.1
    >= 0.50         |   0.0   0.0   0.0   0.1   0.3   0.7   1.4   0.8   0.3   0.0   0.1   0.0 |    3.7
    >= 1.00         |   0.0   0.0   0.0   0.0   0.0   0.2   0.2   0.1   0.1   0.0   0.1   0.0 |    0.6
                    |                                                                         |
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                    |                                                                         |
WIND (MPH)          |   Jan   Feb   Mar   Apr   May   Jun   Jul   Aug   Sep   Oct   Nov   Dec |   Year
                    |                                                                         |
Daily Avg Wind Speed|  12.6  11.8   9.9   9.4   8.7   7.7   6.8   6.6   8.1   8.9  11.1  12.6 |    9.5
Daily Avg Max 2-Min |  24.0  23.4  20.3  21.0  19.9  18.8  17.0  16.5  18.7  19.6  21.9  24.3 |   20.4
Daily Avg Peak Gust |  29.6  28.6  24.9  26.0  25.0  23.6  21.2  20.7  23.3  24.2  27.0  30.0 |   25.3
                    |                                                                         |
Maximum Daily Avg   |  39.6  37.1  30.9  32.8  28.4  26.9  25.3  32.4  30.4  30.3  34.3  39.7 |   39.7
                    |                                                                         |
Maximum 2-Minute Avg|    53    67    48    55    56    43    40    47    49    51    48    52 |     67
                    |                                                                         |
Date of Max 2min-Day|    23    02    08    22    09    08    27    23    19    01    27    17 |
               -Year|  2000  2000  2008  2005  2003  1998  2004  2005  1998  2003  2006  2000 |
                    |                                                                         |
Maximum Peak Gust   |    66    77    66    71    66    56    48    59    63    63    61    66 |     77
                    |                                                                         |
Date of Max Gust-Day|    23    02    08    22    09    10    27    02    19    01    27    04 |
               -Year|  2000  2000  2008  2005  2003  2006  2004  2000  1998  2003  2006  2007 |
                    |                                                                         |
Avg Number of Days: |                                                                         |
   Peak Gust >=30   |  16.7  13.4  10.5   8.9   6.9   5.5   3.9   4.9   7.7  10.3  13.5  17.1 |  119.3
   Peak Gust >=40   |   9.3   6.2   4.7   4.5   3.2   1.6   0.7   1.7   3.5   4.6   7.7  10.3 |   58.1
   Peak Gust >=50   |   3.8   2.6   0.9   1.4   1.2   0.5   0.0   0.4   1.4   0.7   1.9   3.7 |   18.4
                    |                                                                         |
   Max 2-Minute >=30|  11.5   9.1   6.5   5.3   4.6   2.0   1.3   2.1   4.9   5.1  10.1   0.0 |   62.6
   Max 2-Minute >=40|   4.6   2.6   1.5   1.3   1.2   0.4   0.1   0.3   1.4   0.6   1.9   0.0 |   15.8
                    |                                                                         |
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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.