STATION:  CLAYTON MUNICIPAL AIRPARK AIRPORT (KCAO), NM

CLIMATOLOGICAL SUMMARY.  Period of Record: Jul 1996 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        |  49.1  51.6  58.6  66.6  77.1  85.4  89.6  86.3  79.8  69.0  57.8  48.4 |   68.3
Avg Min Temp        |  22.7  24.2  30.1  37.6  47.9  55.9  61.6  60.7  52.8  41.5  30.9  22.8 |   40.7
Avg Temperature     |  35.9  37.9  44.3  52.1  62.5  70.6  75.6  73.5  66.3  55.3  44.4  35.6 |   54.5
                    |                                                                         |
Extremes:           |                                                                         |
    Extreme Max Temp|    79    80    86    88    99   104   100   102    97    93    86    76 |    104
                    |                                                                         |
    Date of Ext-Day |    02    28    06    30    29    29    25    20    04    03    08    04 |
               -Year|  1997  2006  2003  2002  2000  1998  2003  2007  2000  2000  2006  2007 |
                    |                                                                         |
    Extreme Min Temp|    -4    -2   -13    13    30    39    48    49    28    19     7    -6 |    -13
                    |                                                                         |
    Date of Ext-Day |    12    02    08    12    03    08    11    28    29    31    15    08 |
               -Year|  1997  2007  2001  1997  1997  2007  1999  2004  1999  2006  1997  2005 |
                    |                                                                         |
Heating Degree Days |   900   766   641   391   140    20     3     5    67   317   619   910 |   4778
Cooling Degree Days |     0     0     0     5    62   189   332   268   106    15     0     0 |    978
                    |                                                                         |
Avg Number of Days: |                                                                         |
    Max Temp >= 90  |   0.0   0.0   0.0   0.0   3.0  11.2  19.1  11.1   3.7   0.4   0.0   0.0 |   48.5
    Max Temp >= 75  |   0.3   0.3   3.0   9.1  20.0  26.3  30.1  28.5  22.2   9.7   3.5   0.2 |  153.1
    Max Temp <= 32  |   3.4   1.8   0.9   0.3   0.0   0.0   0.0   0.0   0.0   0.0   0.9   3.7 |   11.0
                    |                                                                         |
    Min Temp <= 32  |  26.9  24.7  18.6   7.4   0.6   0.0   0.0   0.0   0.1   4.3  16.9  26.8 |  126.4
    Min Temp <= 20  |  11.8   8.2   4.0   0.5   0.0   0.0   0.0   0.0   0.0   0.1   3.7  12.1 |   40.2
    Min Temp  <= 0  |   0.3   0.1   0.1   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.6 |    1.1
                    |                                                                         |
Avg Dew Point Temp  |  17.3  18.8  23.4  28.2  39.2  48.0  54.5  54.8  46.6  34.3  23.3  17.2 |   33.8
Avg Wet Bulb Temp   |  28.5  30.2  35.3  41.3  50.5  57.6  62.3  61.6  54.8  44.5  35.2  28.3 |   44.2
                    |                                                                         |
------------------------------------------------------------------------------------------------------
                    |                                                                         |
Avg Sea Level Pres  | 30.07 30.07 30.06 30.03 29.95 29.90 29.92 29.95 29.96 30.02 30.08 30.07 |  30.01
(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       |   3.2   3.4   3.2   2.2   0.9   1.2   0.5   0.5   0.3   1.8   2.0   1.7 |   21.0
    Fog             |   7.7   7.5   8.2   7.1   6.8   6.2   5.4   7.0   6.5   6.8   6.1   4.8 |   80.1
    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     |  0.27  0.28  0.99  1.19  1.20  1.72  2.45  2.88  1.45  1.16  0.44  0.26 |  14.29
                    |                                                                         |
Maximum Daily       |  0.57  0.97  1.14  1.62  1.55  1.58  1.73  2.26  2.58  2.49  0.56  0.46 |   2.58
                    |                                                                         |
    Date of Ext-Day |    16    08    23    30    01    27    31    05    09    23    23    03 |
               -Year|  2001  2005  2007  1999  1999  2000  1999  1997  2002  2000  2004  2002 |
                    |                                                                         |
Avg Number of Days: |                                                                         |
    >= 0.01         |   2.7   2.8   5.2   4.8   6.0   7.8   9.1   9.5   7.2   5.2   3.2   3.2 |   66.5
    >= 0.10         |   0.8   0.8   2.5   2.8   2.6   4.0   4.5   5.6   3.0   2.5   1.2   0.9 |   31.2
    >= 0.25         |   0.3   0.2   1.2   1.8   1.3   2.2   3.1   4.2   1.8   0.9   0.7   0.2 |   17.9
    >= 0.50         |   0.2   0.1   0.7   0.8   0.5   1.0   2.0   1.9   0.5   0.4   0.2   0.0 |    8.2
    >= 1.00         |   0.0   0.0   0.1   0.3   0.3   0.4   0.4   0.5   0.2   0.3   0.0   0.0 |    2.5
                    |                                                                         |
------------------------------------------------------------------------------------------------------
                    |                                                                         |
WIND (MPH)          |   Jan   Feb   Mar   Apr   May   Jun   Jul   Aug   Sep   Oct   Nov   Dec |   Year
                    |                                                                         |
Daily Avg Wind Speed|  12.0  12.6  13.0  14.2  13.3  12.8  11.5  10.7  11.7  12.0  12.0  12.0 |   12.3
Daily Avg Max 2-Min |  23.1  24.8  25.7  28.5  27.3  27.6  25.0  23.0  23.4  23.7  23.4  23.7 |   24.9
Daily Avg Peak Gust |  27.4  29.6  30.8  34.6  33.7  34.0  31.0  28.2  28.6  28.8  28.2  28.2 |   30.3
                    |                                                                         |
Maximum Daily Avg   |  24.4  26.8  27.7  31.1  29.1  23.3  23.6  22.4  22.9  32.9  30.5  29.9 |   32.9
                    |                                                                         |
Maximum 2-Minute Avg|    48    46    49    53    47    52    52    44    45    47    44    46 |     53
                    |                                                                         |
Date of Max 2min-Day|    26    09    27    06    10    15    23    27    02    25    01    27 |
               -Year|  1999  2002  1998  2001  2008  2006  1996  1998  1996  1997  2004  1997 |
                    |                                                                         |
Maximum Peak Gust   |    57    56    61    63    70    66    66    55    56    58    58    56 |     70
                    |                                                                         |
Date of Max Gust-Day|    26    09    29    06    21    15    15    27    21    26    01    18 |
               -Year|  1999  2002  1998  2001  2008  2006  1997  1998  2006  2006  2004  2008 |
                    |                                                                         |
Avg Number of Days: |                                                                         |
   Peak Gust >=30   |  11.0  12.4  16.1  20.2  20.7  19.8  16.6  11.9  12.6  13.7  12.2  12.7 |  179.8
   Peak Gust >=40   |   2.3   3.9   4.8   7.8   8.0   7.6   3.2   1.9   1.8   3.0   2.7   3.6 |   50.6
   Peak Gust >=50   |   0.6   0.5   0.5   2.0   1.3   1.8   0.5   0.2   0.2   0.6   0.3   0.9 |    9.4
                    |                                                                         |
   Max 2-Minute >=30|   5.6   6.6   8.9  13.2  11.7  11.5   6.6   4.4   4.0   6.0   5.2   0.0 |   83.7
   Max 2-Minute >=40|   0.5   0.8   0.9   2.2   1.3   2.0   0.4   0.2   0.3   0.6   0.4   0.0 |    9.7
                    |                                                                         |
------------------------------------------------------------------------------------------------------

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.