STATION:  LAMAR MUNICIPAL AIRPORT (KLAA), 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        |  45.0  49.4  59.8  68.8  79.6  88.3  94.4  90.7  83.3  71.0  57.7  46.7 |   69.6
Avg Min Temp        |  14.3  18.1  26.1  35.0  45.8  55.8  62.6  60.8  50.9  36.0  24.0  14.8 |   37.0
Avg Temperature     |  29.7  33.8  43.0  51.9  62.7  72.1  78.5  75.8  67.1  53.5  40.9  30.8 |   53.3
                    |                                                                         |
Extremes:           |                                                                         |
    Extreme Max Temp|    74    80    88    95   106   108   109   109   103    97    84    76 |    109
                    |                                                                         |
    Date of Ext-Day |    07    10    26    15    31    01    20    01    05    02    22    01 |
               -Year|  2006  1999  2004  2002  2002  2002  2005  2008  2000  2005  1998  1998 |
                    |                                                                         |
    Extreme Min Temp|   -16   -15     1     8    25    37    46    46    27     8    -2   -18 |    -18
                    |                                                                         |
    Date of Ext-Day |    16    02    03    13    03    08    27    28    29    27    23    08 |
               -Year|  2007  2007  2002  1997  2008  2007  2005  2004  1999  1997  2003  2005 |
                    |                                                                         |
Heating Degree Days |  1095   882   684   397   135    18     2     2    70   368   724  1061 |   5438
Cooling Degree Days |     0     0     0     5    64   230   420   335   133    10     0     0 |   1197
                    |                                                                         |
Avg Number of Days: |                                                                         |
    Max Temp >= 90  |   0.0   0.0   0.0   0.9   5.6  15.0  23.5  18.6  10.2   2.0   0.0   0.0 |   75.7
    Max Temp >= 75  |   0.0   0.9   5.1  11.1  22.3  27.1  30.4  30.0  24.1  12.9   3.7   0.2 |  167.8
    Max Temp <= 32  |   6.4   4.0   0.6   0.1   0.0   0.0   0.0   0.0   0.0   0.2   0.5   5.2 |   17.0
                    |                                                                         |
    Min Temp <= 32  |  30.9  27.1  24.2  11.8   1.3   0.0   0.0   0.0   0.3  10.8  26.0  30.8 |  163.2
    Min Temp <= 20  |  22.9  16.5   7.4   1.0   0.0   0.0   0.0   0.0   0.0   0.9   8.8  23.0 |   80.6
    Min Temp  <= 0  |   2.8   0.9   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.2   1.9 |    5.8
                    |                                                                         |
Avg Dew Point Temp  |  17.5  19.8  25.4  31.0  42.7  50.7  57.0  57.4  47.8  36.1  24.9  17.9 |   35.7
Avg Wet Bulb Temp   |  24.6  28.0  35.4  42.4  52.2  59.5  64.8  63.8  55.8  44.7  33.4  25.2 |   44.2
                    |                                                                         |
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                    |                                                                         |
Avg Sea Level Pres  | 30.13 30.11 30.06 30.08 29.98 29.95 29.88 29.92 29.96 30.05 30.12 30.11 |  30.03
(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   0.1   0.2   2.1   2.9   5.3   5.1   5.0   2.1   1.0   0.2   0.0 |   23.9
    Heavy Fog       |   2.9   3.0   2.5   0.7   1.2   0.8   0.4   1.2   1.0   1.4   1.8   1.5 |   18.5
    Fog             |   9.8  10.5  10.2   8.1   8.4   8.0   6.7   9.0   7.3   7.5   6.1   6.6 |   98.1
    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
                    |                                                                         |
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                    |                                                                         |
PRECIPITATION (In)  |   Jan   Feb   Mar   Apr   May   Jun   Jul   Aug   Sep   Oct   Nov   Dec |   Year
                    |                                                                         |
Average Monthly     |  0.21  0.20  0.63  1.48  1.52  1.82  2.56  2.28  1.11  1.02  0.27  0.31 |  13.42
                    |                                                                         |
Maximum Daily       |  0.51  0.29  0.90  2.19  1.12  2.62  1.86  1.96  1.43  1.04  0.99  0.77 |   2.62
                    |                                                                         |
    Date of Ext-Day |    16    06    24    23    01    26    24    04    21    10    01    30 |
               -Year|  2001  2005  1999  2004  1999  2007  1998  1999  1997  2005  1998  2006 |
                    |                                                                         |
Avg Number of Days: |                                                                         |
    >= 0.01         |   2.7   2.9   5.8   6.9   7.1   7.9   8.7  10.3   6.7   4.9   3.1   3.1 |   70.0
    >= 0.10         |   0.5   0.8   1.8   3.2   3.3   3.9   4.4   4.7   2.5   2.5   0.7   0.9 |   29.2
    >= 0.25         |   0.3   0.1   0.8   1.6   2.1   1.8   3.0   3.1   1.2   1.6   0.2   0.3 |   16.3
    >= 0.50         |   0.1   0.0   0.2   0.8   1.2   1.1   1.7   1.5   0.6   0.7   0.1   0.2 |    8.1
    >= 1.00         |   0.0   0.0   0.0   0.3   0.2   0.3   0.9   0.5   0.3   0.1   0.0   0.0 |    2.5
                    |                                                                         |
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                    |                                                                         |
WIND (MPH)          |   Jan   Feb   Mar   Apr   May   Jun   Jul   Aug   Sep   Oct   Nov   Dec |   Year
                    |                                                                         |
Daily Avg Wind Speed|   7.9   8.9  10.1  11.7  10.6  10.9   9.7   9.0   9.1   8.9   8.2   8.1 |    9.4
Daily Avg Max 2-Min |  18.5  20.8  23.1  26.5  25.5  27.0  24.7  22.6  21.0  20.9  18.7  18.9 |   22.3
Daily Avg Peak Gust |  21.8  25.1  27.8  32.4  31.3  32.9  30.6  28.1  26.0  25.6  22.9  22.7 |   27.3
                    |                                                                         |
Maximum Daily Avg   |  19.6  29.4  22.7  32.5  29.5  25.3  22.8  25.6  25.5  28.6  25.3  25.4 |   32.5
                    |                                                                         |
Maximum 2-Minute Avg|    47    55    51    63    55    66    53    60    41    51    49    49 |     66
                    |                                                                         |
Date of Max 2min-Day|    28    24    10    11    15    06    23    09    28    16    25    17 |
               -Year|  2008  2007  2006  2001  2003  2003  1996  2002  2002  1996  2001  2000 |
                    |                                                                         |
Maximum Peak Gust   |    56    64    60    76    63    76    67    70    51    60    62    59 |     76
                    |                                                                         |
Date of Max Gust-Day|    28    24    10    11    15    06    23    09    28    16    14    17 |
               -Year|  2008  2007  2006  2001  2003  2003  1996  2002  2002  1996  2008  2000 |
                    |                                                                         |
Avg Number of Days: |                                                                         |
   Peak Gust >=30   |   5.3   9.0  11.4  16.6  16.2  17.4  15.8  11.2   9.1   9.2   6.2   7.3 |  134.8
   Peak Gust >=40   |   1.4   2.4   3.5   6.4   6.0   7.5   4.3   3.1   1.8   3.2   1.7   2.1 |   43.2
   Peak Gust >=50   |   0.3   0.7   0.7   1.9   1.8   2.4   1.0   0.9   0.1   0.4   0.6   0.5 |   11.1
                    |                                                                         |
   Max 2-Minute >=30|   2.3   3.6   6.6   9.9   8.4  10.7   6.9   4.5   3.3   4.3   2.8   0.0 |   63.3
   Max 2-Minute >=40|   0.3   0.8   1.0   2.4   1.9   2.7   1.2   0.8   0.2   0.5   0.8   0.0 |   12.5
                    |                                                                         |
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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.