STATION:  LA JUNTA MUNICIPAL AIRPORT (KLHX), CO

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        |  45.1  49.1  60.1  68.2  79.3  88.6  94.6  90.8  82.9  70.3  56.5  45.5 |   69.3
Avg Min Temp        |  17.9  21.2  29.2  37.4  47.5  56.8  63.4  61.5  52.0  38.7  27.0  18.1 |   39.2
Avg Temperature     |  31.5  35.2  44.7  52.8  63.4  72.7  79.0  76.2  67.5  54.5  41.7  31.8 |   54.2
                    |                                                                         |
Extremes:           |                                                                         |
    Extreme Max Temp|    77    80    87    95   104   106   108   108   102    93    84    78 |    108
                    |                                                                         |
    Date of Ext-Day |    31    28    26    18    31    01    20    01    05    02    19    11 |
               -Year|  1997  2006  2004  2000  2002  2002  1998  2008  2000  2005  2007  2004 |
                    |                                                                         |
    Extreme Min Temp|   -11    -5     3    11    25    38    50    51    28    10     0   -15 |    -15
                    |                                                                         |
    Date of Ext-Day |    15    15    02    12    03    08    26    26    29    27    23    22 |
               -Year|  2007  2007  2002  1997  2008  2007  2004  2001  1999  1997  2003  1998 |
                    |                                                                         |
Heating Degree Days |  1039   843   631   374   121    14     1     2    63   341   698  1029 |   5155
Cooling Degree Days |     0     0     0     7    72   245   435   348   137    13     0     0 |   1258
                    |                                                                         |
Avg Number of Days: |                                                                         |
    Max Temp >= 90  |   0.0   0.0   0.0   0.4   5.0  15.7  24.3  18.9   9.4   1.3   0.0   0.0 |   75.1
    Max Temp >= 75  |   0.2   0.6   4.4  10.6  21.6  27.9  30.7  29.8  23.7  12.0   3.0   0.2 |  164.7
    Max Temp <= 32  |   6.9   3.6   0.7   0.1   0.0   0.0   0.0   0.0   0.0   0.3   1.0   5.3 |   17.9
                    |                                                                         |
    Min Temp <= 32  |  29.6  26.4  20.7   7.2   0.4   0.0   0.0   0.0   0.2   6.8  23.3  30.2 |  144.6
    Min Temp <= 20  |  18.1  11.0   3.7   0.4   0.0   0.0   0.0   0.0   0.0   0.4   5.4  17.4 |   56.4
    Min Temp  <= 0  |   1.6   1.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.1   1.1 |    3.8
                    |                                                                         |
Avg Dew Point Temp  |  17.5  19.4  24.2  29.0  39.9  47.1  53.9  54.5  44.9  33.5  23.4  17.6 |   33.7
Avg Wet Bulb Temp   |  25.8  28.7  35.7  41.9  51.1  57.9  63.3  62.6  54.7  43.9  33.4  26.0 |   43.8
                    |                                                                         |
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                    |                                                                         |
Avg Sea Level Pres  | 30.11 30.10 30.06 30.08 29.99 29.96 29.87 29.90 29.96 30.04 30.10 30.10 |  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   1.1   2.4   4.8   8.5   9.5   8.4   3.2   1.2   0.2   0.0 |   39.3
    Heavy Fog       |   3.9   4.1   2.0   1.0   1.1   0.7   0.7   0.9   1.0   1.7   2.7   2.0 |   21.7
    Fog             |   9.5   9.7   8.6   7.3   5.7   4.8   4.5   5.0   5.6   6.4   6.4   6.4 |   79.9
    Hail            |   0.0   0.0   0.1   0.1   0.3   0.0   0.1   0.0   0.0   0.1   0.0   0.0 |    0.6
                    |                                                                         |
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                    |                                                                         |
PRECIPITATION (In)  |   Jan   Feb   Mar   Apr   May   Jun   Jul   Aug   Sep   Oct   Nov   Dec |   Year
                    |                                                                         |
Average Monthly     |  0.20  0.29  0.72  1.47  1.19  1.33  1.87  1.71  0.80  0.93  0.28  0.24 |  11.03
                    |                                                                         |
Maximum Daily       |  0.28  0.44  0.77  1.91  1.58  1.93  1.79  1.72  0.96  2.19  0.72  0.50 |   2.19
                    |                                                                         |
    Date of Ext-Day |    14    23    24    30    16    06    17    18    30    11    01    09 |
               -Year|  1997  1997  1999  1999  2001  1997  1999  2006  1998  2008  1998  1997 |
                    |                                                                         |
Avg Number of Days: |                                                                         |
    >= 0.01         |   3.5   3.4   5.3   6.4   6.6   7.2   7.6   8.1   5.7   4.5   3.2   3.1 |   64.4
    >= 0.10         |   0.5   1.1   2.5   3.4   2.7   3.2   3.0   3.8   2.4   2.1   0.5   0.8 |   26.0
    >= 0.25         |   0.2   0.3   0.6   1.9   1.2   1.9   2.1   2.1   1.0   1.4   0.3   0.2 |   13.2
    >= 0.50         |   0.0   0.0   0.4   0.8   0.8   0.7   1.3   0.9   0.5   0.5   0.2   0.1 |    6.1
    >= 1.00         |   0.0   0.0   0.0   0.3   0.3   0.1   0.6   0.3   0.0   0.1   0.0   0.0 |    1.7
                    |                                                                         |
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                    |                                                                         |
WIND (MPH)          |   Jan   Feb   Mar   Apr   May   Jun   Jul   Aug   Sep   Oct   Nov   Dec |   Year
                    |                                                                         |
Daily Avg Wind Speed|   8.9   9.6  10.9  12.5  11.1  11.1   9.5   9.1   9.2   9.5   8.9   9.4 |   10.0
Daily Avg Max 2-Min |  20.2  22.0  24.1  28.0  27.3  28.2  26.0  24.2  22.1  21.4  19.9  20.7 |   23.7
Daily Avg Peak Gust |  23.3  25.6  28.6  33.5  33.1  34.3  31.8  29.5  27.0  25.8  23.2  24.1 |   28.3
                    |                                                                         |
Maximum Daily Avg   |  22.6  31.4  29.4  32.2  26.5  22.3  18.1  19.6  20.0  28.8  28.4  25.9 |   32.2
                    |                                                                         |
Maximum 2-Minute Avg|    56    61    52    60    64    62    51    49    48    53    53    49 |     64
                    |                                                                         |
Date of Max 2min-Day|    26    24    14    11    24    20    03    31    03    11    27    01 |
               -Year|  1999  2007  2001  2001  1998  2002  2007  1998  2002  1997  2005  2007 |
                    |                                                                         |
Maximum Peak Gust   |    64    75    60    71    84    86    64    61    55    67    60    61 |     86
                    |                                                                         |
Date of Max Gust-Day|    28    24    05    11    24    15    03    31    03    11    27    01 |
               -Year|  2008  2007  2000  2001  1998  2002  2007  1998  2002  1997  2005  2007 |
                    |                                                                         |
Avg Number of Days: |                                                                         |
   Peak Gust >=30   |   6.5   8.4  12.4  18.4  18.3  18.9  15.8  14.1   9.2   8.7   5.8   6.7 |  143.3
   Peak Gust >=40   |   2.2   2.8   3.9   7.9   7.6   7.7   6.3   4.8   2.7   3.2   2.0   2.5 |   53.5
   Peak Gust >=50   |   0.5   0.8   1.3   2.6   2.5   2.8   1.8   1.2   0.5   1.0   0.5   0.8 |   16.2
                    |                                                                         |
   Max 2-Minute >=30|   3.6   4.9   7.4  12.3  11.4  11.9   9.6   8.1   4.4   5.2   3.3   0.0 |   82.0
   Max 2-Minute >=40|   0.5   1.5   1.8   3.5   3.0   2.9   2.4   1.2   0.6   1.1   0.8   0.0 |   19.4
                    |                                                                         |
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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.