STATION:  TALKEETNA AIRPORT (PATK), 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        |  22.1  30.2  35.1  45.7  57.8  67.6  68.3  65.4  55.9  40.9  28.3  23.9 |   45.1
Avg Min Temp        |   6.1  11.8  14.3  26.3  37.1  47.6  51.9  48.1  39.1  25.9  13.9   7.0 |   27.4
Avg Temperature     |  14.1  21.0  24.7  36.0  47.4  57.6  60.1  56.8  47.5  33.4  21.1  15.5 |   36.3
                    |                                                                         |
Extremes:           |                                                                         |
    Extreme Max Temp|    46    52    54    84    87    88    89    89    72    63    51    54 |     89
                    |                                                                         |
    Date of Ext-Day |    21    25    26    23    28    16    08    02    05    16    05    24 |
               -Year|  2004  2004  1997  2003  2003  2002  2003  2002  1996  2003  2002  1996 |
                    |                                                                         |
    Extreme Min Temp|   -34   -45   -24   -12    19    28    39    32    22    -7   -19   -29 |    -45
                    |                                                                         |
    Date of Ext-Day |    09    04    10    01    02    15    01    28    25    27    28    19 |
               -Year|  2007  1999  1999  2004  1999  2005  2008  1996  2004  1996  2005  2001 |
                    |                                                                         |
Heating Degree Days |  1578  1243  1248   871   545   228   161   260   526   979  1317  1535 |  10491
Cooling Degree Days |     0     0     0     0     1     6    10     4     0     0     0     0 |     21
                    |                                                                         |
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   0.1   1.2   5.8   6.6   3.6   0.0   0.0   0.0   0.0 |   17.3
    Max Temp <= 32  |  24.1  13.8  10.4   1.6   0.0   0.0   0.0   0.0   0.0   5.9  19.3  23.0 |   98.1
                    |                                                                         |
    Min Temp <= 32  |  30.7  26.5  29.9  24.7   8.3   0.3   0.0   0.2   5.7  22.3  27.5  30.2 |  206.3
    Min Temp <= 20  |  23.1  17.2  19.4   4.6   0.1   0.0   0.0   0.0   0.0   7.2  19.5  23.9 |  115.0
    Min Temp  <= 0  |  11.2   6.8   4.7   0.2   0.0   0.0   0.0   0.0   0.0   1.3   5.6  10.5 |   40.3
                    |                                                                         |
Avg Dew Point Temp  |   6.6  11.2  11.8  22.8  33.4  44.4  50.2  49.2  39.7  26.6  13.8   8.8 |   26.5
Avg Wet Bulb Temp   |  13.3  18.1  21.7  31.7  41.7  51.0  54.6  52.7  44.0  31.3  19.8  14.8 |   32.9
                    |                                                                         |
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                    |                                                                         |
Avg Sea Level Pres  | 30.22 30.20 30.21 30.10 30.03 29.97 29.94 29.97 30.03 30.13 30.09 30.26 |  30.09
(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   0.2   0.3   0.2   0.1   0.2   0.0   0.0   0.0 |    1.1
    Heavy Fog       |   1.8   0.9   0.8   1.0   0.2   0.3   0.6   1.3   1.1   1.2   0.8   0.6 |   10.6
    Fog             |   9.7   9.2   8.3   7.9   5.9   6.1   8.2  10.8  10.5   9.9   7.6   8.4 |  102.5
    Hail            |   0.1   0.0   0.1   0.1   0.3   0.0   0.0   0.0   0.1   0.0   0.0   0.0 |    0.7
                    |                                                                         |
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                    |                                                                         |
PRECIPITATION (In)  |   Jan   Feb   Mar   Apr   May   Jun   Jul   Aug   Sep   Oct   Nov   Dec |   Year
                    |                                                                         |
Average Monthly     |  1.13  1.23  0.94  1.71  1.65  1.71  3.31  4.80  4.46  2.77  1.38  1.36 |  26.46
                    |                                                                         |
Maximum Daily       |  1.58  1.38  1.17  1.22  0.94  1.08  2.13  3.16  1.95  1.70  1.02  1.22 |   3.16
                    |                                                                         |
    Date of Ext-Day |    03    04    02    19    17    22    16    26    08    10    10    22 |
               -Year|  2005  2003  2003  2002  1997  2006  2003  2004  2007  2008  2000  1999 |
                    |                                                                         |
Avg Number of Days: |                                                                         |
    >= 0.01         |   8.9   8.2   7.5   8.9  10.8  11.8  14.4  17.3  16.7  13.1   8.2   9.7 |  135.4
    >= 0.10         |   3.0   3.7   3.3   4.4   4.7   5.4   8.1  10.0   9.9   7.4   3.8   4.2 |   67.8
    >= 0.25         |   1.1   1.5   1.1   2.1   2.2   1.9   4.1   6.6   5.4   3.8   1.8   1.2 |   32.8
    >= 0.50         |   0.5   0.5   0.2   1.3   0.6   0.8   1.7   3.5   3.1   1.7   0.8   0.5 |   15.1
    >= 1.00         |   0.1   0.1   0.1   0.2   0.0   0.1   0.5   0.5   0.9   0.3   0.2   0.2 |    3.0
                    |                                                                         |
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                    |                                                                         |
WIND (MPH)          |   Jan   Feb   Mar   Apr   May   Jun   Jul   Aug   Sep   Oct   Nov   Dec |   Year
                    |                                                                         |
Daily Avg Wind Speed|   4.8   4.5   4.8   3.7   3.9   3.8   3.3   2.6   2.8   3.0   4.1   4.5 |    3.8
Daily Avg Max 2-Min |  12.4  12.0  12.8  11.8  13.2  12.4  11.3   9.9  10.1   9.8  11.7  12.4 |   11.7
Daily Avg Peak Gust |  15.4  14.8  15.6  15.6  16.2  15.4  13.1  11.5  12.5  12.3  14.7  14.5 |   14.3
                    |                                                                         |
Maximum Daily Avg   |  14.6  12.7  18.9  11.5  12.9   9.5  12.2  13.4  16.4  11.2  14.5  14.2 |   18.9
                    |                                                                         |
Maximum 2-Minute Avg|    28    28    37    24    25    29    21    28    35    32    30    28 |     37
                    |                                                                         |
Date of Max 2min-Day|    27    02    13    03    01    13    20    14    27    11    13    02 |
               -Year|  1999  2000  2003  2002  2001  1999  1999  2000  2000  2000  2006  2007 |
                    |                                                                         |
Maximum Peak Gust   |    37    48    48    34    35    41    30    36    48    45    44    40 |     48
                    |                                                                         |
Date of Max Gust-Day|    27    02    13    20    27    15    10    17    27    11    13    28 |
               -Year|  1999  2000  2003  2000  2006  2005  2005  1998  2000  2000  2006  2008 |
                    |                                                                         |
Avg Number of Days: |                                                                         |
   Peak Gust >=30   |   1.5   0.8   2.2   0.7   0.6   0.3   0.1   0.2   0.8   0.3   0.6   1.2 |    9.2
   Peak Gust >=40   |   0.0   0.1   0.4   0.0   0.0   0.1   0.0   0.0   0.2   0.1   0.2   0.1 |    1.1
   Peak Gust >=50   |   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 2-Minute >=30|   0.0   0.0   0.4   0.0   0.0   0.0   0.0   0.0   0.1   0.1   0.1   0.0 |    0.6
   Max 2-Minute >=40|   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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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.