STATION:  SAFFORD REGIONAL AIRPORT (KSAD), AZ

CLIMATOLOGICAL SUMMARY.  Period of Record: Jan 1998 to Dec 2008

Summaries based on unedited daily ASOS data.  Errors may be present.

-----------------------------------------------------------------------------------------------

TEMPERATURE (F)     |   Jan   Feb   Mar   Apr   May   Jun   Jul   Aug   Sep   Oct   Nov   Dec |   Year
                    |                                                                         |
Avg Max Temp        |  61.3  65.3  72.6  81.3  92.2 100.4  99.8  96.9  93.6  82.5  70.2  60.2 |   81.4
Avg Min Temp        |  33.5  36.6  41.1  47.5  57.0  66.9  72.4  70.5  65.1  52.9  41.4  32.5 |   51.4
Avg Temperature     |  47.4  50.9  56.8  64.4  74.6  83.7  86.1  83.7  79.4  67.7  55.8  46.4 |   66.4
                    |                                                                         |
Extremes:           |                                                                         |
    Extreme Max Temp|    79    83    89    99   109   111   113   110   103   100    87    78 |    113
                    |                                                                         |
    Date of Ext-Day |    25    28    20    27    31    29    09    10    04    01    03    30 |
               -Year|  1999  2006  2004  2000  2002  1998  2003  2003  2000  2003  2001  2003 |
                    |                                                                         |
    Extreme Min Temp|     0    20    17    29    39    50    58    57    48    33    16    17 |      0
                    |                                                                         |
    Date of Ext-Day |    14    01    03    17    15    05    01    31    22    13    30    29 |
               -Year|  2004  2002  2002  1998  1998  1998  2004  2000  2004  2008  2006  2003 |
                    |                                                                         |
Heating Degree Days |   544   397   262    89     6     0     0     0     0    48   285   578 |   2208
Cooling Degree Days |     0     0     8    71   304   560   653   579   431   133     8     0 |   2746
                    |                                                                         |
Avg Number of Days: |                                                                         |
    Max Temp >= 90  |   0.0   0.0   0.0   4.3  21.1  28.7  28.9  28.3  23.7   6.5   0.0   0.0 |  141.5
    Max Temp >= 75  |   0.6   3.2  14.8  24.1  30.6  30.0  31.0  31.0  30.0  26.2  10.4   0.2 |  232.0
    Max Temp <= 32  |   0.1   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0 |    0.1
                    |                                                                         |
    Min Temp <= 32  |  14.5   7.8   3.6   0.5   0.0   0.0   0.0   0.0   0.0   0.0   3.3  15.0 |   44.6
    Min Temp <= 20  |   0.6   0.2   0.1   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.1   0.9 |    1.8
    Min Temp  <= 0  |   0.1   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0 |    0.1
                    |                                                                         |
Avg Dew Point Temp  |  25.3  25.3  26.0  26.2  29.4  34.9  52.9  56.4  46.7  37.5  28.1  23.9 |   34.4
Avg Wet Bulb Temp   |  38.0  40.2  43.5  47.0  52.8  57.7  65.4  66.1  60.5  52.1  43.3  36.9 |   50.3
                    |                                                                         |
------------------------------------------------------------------------------------------------------
                    |                                                                         |
Avg Sea Level Pres  | 30.07 30.01 29.92 29.87 29.79 29.79 29.82 29.84 29.82 29.91 30.02 30.09 |  29.91
(Inches of Mercury) |                                                                         |
------------------------------------------------------------------------------------------------------
                    |                                                                         |
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   0.0   0.0 |    0.0
    Heavy Fog       |   1.4   0.3   0.1   0.1   0.0   0.0   0.1   0.0   0.0   0.1   0.1   0.2 |    2.3
    Fog             |   3.4   3.3   2.1   1.4   0.1   0.4   2.4   1.8   1.3   1.7   1.7   1.7 |   21.2
    Hail            |   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
                    |                                                                         |
------------------------------------------------------------------------------------------------------
                    |                                                                         |
PRECIPITATION (In)  |   Jan   Feb   Mar   Apr   May   Jun   Jul   Aug   Sep   Oct   Nov   Dec |   Year
                    |                                                                         |
Average Monthly     |  0.50  0.60  0.46  0.40  0.11  0.20  1.29  1.30  0.37  0.81  0.43  0.33 |   6.79
                    |                                                                         |
Maximum Daily       |  0.79  0.73  0.81  0.59  0.43  0.46  0.76  1.71  0.54  1.71  0.81  0.34 |   1.71
                    |                                                                         |
    Date of Ext-Day |    19    09    04    02    19    11    23    10    12    11    12    02 |
               -Year|  2007  1998  2004  2004  2001  2007  2004  2001  2008  2000  2003  1998 |
                    |                                                                         |
Avg Number of Days: |                                                                         |
    >= 0.01         |   3.4   4.5   3.2   1.8   2.7   5.4   9.8   6.9   3.6   4.3   3.2   3.1 |   51.9
    >= 0.10         |   1.4   2.1   1.6   1.1   0.2   0.5   3.9   2.8   1.3   1.7   1.2   1.2 |   18.9
    >= 0.25         |   0.6   0.7   0.5   0.6   0.2   0.2   1.4   1.6   0.4   0.9   0.6   0.3 |    8.0
    >= 0.50         |   0.3   0.2   0.3   0.3   0.0   0.0   0.7   0.8   0.1   0.5   0.1   0.0 |    3.3
    >= 1.00         |   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.1   0.0   0.1   0.0   0.0 |    0.2
                    |                                                                         |
------------------------------------------------------------------------------------------------------
                    |                                                                         |
WIND (MPH)          |   Jan   Feb   Mar   Apr   May   Jun   Jul   Aug   Sep   Oct   Nov   Dec |   Year
                    |                                                                         |
Daily Avg Wind Speed|   6.9   7.9   8.5   9.4   9.1   9.5   9.1   7.9   7.6   7.5   7.1   7.2 |    8.1
Daily Avg Max 2-Min |  17.3  19.8  21.7  23.4  23.2  24.6  26.2  23.4  19.5  18.6  17.2  17.4 |   21.0
Daily Avg Peak Gust |  20.7  24.0  26.8  29.5  29.0  30.8  32.2  28.8  24.4  23.1  20.9  21.1 |   25.9
                    |                                                                         |
Maximum Daily Avg   |  24.2  20.2  19.5  20.5  22.4  17.6  18.7  17.4  16.4  17.2  21.6  18.9 |   24.2
                    |                                                                         |
Maximum 2-Minute Avg|    40    45    41    45    46    46    52    56    43    53    44    38 |     56
                    |                                                                         |
Date of Max 2min-Day|    21    24    07    29    27    05    02    20    25    08    22    25 |
               -Year|  1999  1998  1999  2004  2005  2000  2001  2002  2004  2005  2003  2007 |
                    |                                                                         |
Maximum Peak Gust   |    51    60    49    52    56    54    69    70    52    66    51    58 |     70
                    |                                                                         |
Date of Max Gust-Day|    21    24    07    29    27    05    12    09    08    08    22    25 |
               -Year|  1999  1998  1999  2004  2005  2000  2002  2004  2003  2005  2003  2007 |
                    |                                                                         |
Avg Number of Days: |                                                                         |
   Peak Gust >=30   |   3.9   7.0  11.5  14.7  13.9  16.3  18.6  13.1   6.5   5.6   3.5   4.9 |  119.5
   Peak Gust >=40   |   1.2   1.6   2.6   3.8   2.0   2.7   5.1   3.2   1.4   0.9   1.0   1.2 |   26.7
   Peak Gust >=50   |   0.1   0.3   0.0   0.2   0.5   0.8   1.5   0.5   0.2   0.1   0.1   0.1 |    4.2
                    |                                                                         |
   Max 2-Minute >=30|   2.3   2.9   5.8   7.4   3.9   4.8   8.4   5.7   2.1   1.5   1.4   0.0 |   46.2
   Max 2-Minute >=40|   0.2   0.5   0.3   0.5   0.4   0.6   1.6   0.7   0.1   0.2   0.2   0.0 |    5.1
                    |                                                                         |
------------------------------------------------------------------------------------------------------

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.