STATION:  FLAGSTAFF PULLIAM AIRPORT (KFLG), AZ

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        |  42.9  44.5  51.8  57.5  69.6  78.8  82.2  78.6  73.1  62.4  52.1  43.4 |   61.4
Avg Min Temp        |  17.4  19.1  23.1  27.8  35.0  41.9  51.5  50.3  42.1  31.1  23.1  16.7 |   31.6
Avg Temperature     |  30.1  31.8  37.5  42.6  52.3  60.4  66.9  64.4  57.6  46.8  37.6  30.0 |   46.5
                    |                                                                         |
Extremes:           |                                                                         |
    Extreme Max Temp|    62    65    73    78    89    91    96    91    88    81    70    66 |     96
                    |                                                                         |
    Date of Ext-Day |    08    28    17    26    31    15    04    12    14    09    15    01 |
               -Year|  2002  1999  2007  2000  2002  2000  2007  2002  2000  1996  1999  2008 |
                    |                                                                         |
    Extreme Min Temp|   -15    -8   -10     8    19    25    33    36    27    11    -3    -9 |    -15
                    |                                                                         |
    Date of Ext-Day |    14    05    01    06    04    14    01    12    22    12    13    07 |
               -Year|  2007  2008  1997  1999  2001  2001  2004  1999  2004  2008  2000  1998 |
                    |                                                                         |
Heating Degree Days |  1081   938   853   672   394   154    22    49   223   565   822  1084 |   6857
Cooling Degree Days |     0     0     0     0     1    15    81    32     1     0     0     0 |    130
                    |                                                                         |
Avg Number of Days: |                                                                         |
    Max Temp >= 90  |   0.0   0.0   0.0   0.0   0.0   0.3   2.5   0.3   0.0   0.0   0.0   0.0 |    3.2
    Max Temp >= 75  |   0.0   0.0   0.0   0.3   8.9  23.2  28.3  24.6  13.7   2.0   0.0   0.0 |  101.0
    Max Temp <= 32  |   4.1   2.1   0.9   0.5   0.0   0.0   0.0   0.0   0.0   0.1   0.6   4.0 |   12.3
                    |                                                                         |
    Min Temp <= 32  |  30.6  28.0  29.7  25.2  11.0   2.4   0.0   0.0   2.5  19.8  28.1  30.3 |  207.5
    Min Temp <= 20  |  18.2  14.8   8.2   3.2   0.1   0.0   0.0   0.0   0.0   1.6   9.0  19.6 |   74.6
    Min Temp  <= 0  |   2.0   0.7   0.3   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.2   1.2 |    4.4
                    |                                                                         |
Avg Dew Point Temp  |  17.1  17.1  19.2  20.9  24.1  26.6  42.9  47.8  38.7  27.6  19.7  15.0 |   26.4
Avg Wet Bulb Temp   |  25.5  26.6  30.5  33.9  40.5  45.3  54.0  54.6  47.7  37.9  30.1  24.4 |   37.6
                    |                                                                         |
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                    |                                                                         |
Avg Sea Level Pres  | 30.12 30.07 30.01 29.96 29.91 29.91 29.98 30.02 29.99 30.03 30.10 30.13 |  30.02
(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   0.5   0.6   1.7   1.8   8.4  10.1   4.6   1.1   0.2   0.1 |   28.9
    Heavy Fog       |   4.6   4.1   3.4   2.7   0.2   0.0   0.4   0.6   0.4   1.2   1.4   2.7 |   21.5
    Fog             |   8.9   8.9   7.6   6.2   1.1   0.8   4.4   7.6   5.6   5.7   5.0   6.5 |   68.3
    Hail            |   0.0   0.1   0.2   0.2   0.0   0.2   0.2   0.6   0.2   0.2   0.0   0.1 |    1.9
                    |                                                                         |
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                    |                                                                         |
PRECIPITATION (In)  |   Jan   Feb   Mar   Apr   May   Jun   Jul   Aug   Sep   Oct   Nov   Dec |   Year
                    |                                                                         |
Average Monthly     |  1.64  1.54  1.37  1.07  0.45  0.30  2.57  2.73  2.41  1.58  1.18  1.56 |  18.38
                    |                                                                         |
Maximum Daily       |  1.28  1.38  1.13  0.94  0.63  0.91  1.35  1.84  1.61  1.61  2.00  3.33 |   3.33
                    |                                                                         |
    Date of Ext-Day |    27    13    28    24    23    02    25    20    09    28    12    29 |
               -Year|  2008  2003  1998  2005  2008  1999  2003  2004  2003  2004  2003  2004 |
                    |                                                                         |
Avg Number of Days: |                                                                         |
    >= 0.01         |   7.0   7.9   7.0   6.5   3.1   2.5  12.7  15.5   9.3   5.7   4.3   6.0 |   87.6
    >= 0.10         |   3.7   4.2   4.1   2.9   1.0   0.8   5.9   7.7   5.1   3.5   3.0   2.8 |   44.8
    >= 0.25         |   1.8   1.8   1.9   1.5   0.8   0.4   2.9   3.6   2.5   2.0   1.4   1.8 |   22.5
    >= 0.50         |   1.1   0.7   0.8   0.6   0.2   0.2   1.4   1.4   1.3   1.2   0.5   0.8 |   10.0
    >= 1.00         |   0.3   0.2   0.1   0.0   0.0   0.0   0.4   0.2   0.8   0.2   0.2   0.4 |    2.9
                    |                                                                         |
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                    |                                                                         |
WIND (MPH)          |   Jan   Feb   Mar   Apr   May   Jun   Jul   Aug   Sep   Oct   Nov   Dec |   Year
                    |                                                                         |
Daily Avg Wind Speed|   6.5   7.0   7.1   8.7   7.8   7.6   5.4   4.4   5.4   6.1   6.0   6.6 |    6.5
Daily Avg Max 2-Min |  17.5  19.0  20.2  23.1  22.6  22.6  18.9  17.2  18.7  19.2  17.7  18.4 |   19.6
Daily Avg Peak Gust |  22.5  24.6  25.9  29.6  29.2  29.4  24.4  22.0  24.0  24.3  22.8  23.3 |   25.2
                    |                                                                         |
Maximum Daily Avg   |  22.6  21.8  22.4  24.8  24.0  24.0  10.4  13.2  19.8  25.8  21.5  24.7 |   25.8
                    |                                                                         |
Maximum 2-Minute Avg|    46    40    41    43    41    44    35    38    39    48    37    45 |     48
                    |                                                                         |
Date of Max 2min-Day|    11    15    27    19    04    06    14    10    19    22    18    25 |
               -Year|  2005  2006  2007  2005  2007  2007  2002  2004  2004  2007  2000  2008 |
                    |                                                                         |
Maximum Peak Gust   |    61    52    56    59    59    64    47    45    56    60    52    60 |     64
                    |                                                                         |
Date of Max Gust-Day|    28    15    27    18    04    06    14    10    29    22    25    25 |
               -Year|  2008  2006  2007  2007  2007  2007  2002  2004  2007  2007  2001  2008 |
                    |                                                                         |
Avg Number of Days: |                                                                         |
   Peak Gust >=30   |   5.1   7.1   8.8  13.4  12.9  14.8   4.8   2.8   6.5   6.9   5.5   7.1 |   95.5
   Peak Gust >=40   |   0.9   1.5   1.3   3.8   2.4   1.9   0.2   0.2   1.0   1.9   1.0   1.8 |   18.0
   Peak Gust >=50   |   0.3   0.2   0.2   0.3   0.2   0.3   0.0   0.0   0.2   0.3   0.1   0.6 |    2.5
                    |                                                                         |
   Max 2-Minute >=30|   1.4   1.8   2.6   4.8   3.7   2.8   0.2   0.2   1.2   2.5   1.9   0.0 |   23.2
   Max 2-Minute >=40|   0.2   0.1   0.2   0.4   0.2   0.2   0.0   0.0   0.0   0.2   0.0   0.0 |    1.6
                    |                                                                         |
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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.