STATION:  LEADVILLE/LAKE COUNTY APT (KLXV), CO

CLIMATOLOGICAL SUMMARY.  Period of Record: Aug 1998 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        |  28.2  29.2  35.9  43.8  55.6  66.7  72.6  68.1  61.1  49.8  37.3  28.2 |   48.1
Avg Min Temp        |   5.7   6.4  12.6  20.7  27.9  34.3  40.4  39.3  32.0  24.6  13.7   6.0 |   22.0
Avg Temperature     |  17.0  17.8  24.3  32.3  41.7  50.5  56.5  53.7  46.6  37.2  25.5  17.1 |   35.0
                    |                                                                         |
Extremes:           |                                                                         |
    Extreme Max Temp|    55    47    62    64    77    79    82    80    76    68    61    51 |     82
                    |                                                                         |
    Date of Ext-Day |    20    18    15    29    31    30    18    02    05    21    14    01 |
               -Year|  2005  2004  2008  2007  2002  2002  2002  2000  1998  2003  1999  2003 |
                    |                                                                         |
    Extreme Min Temp|   -18   -19   -23    -4     8    19    31    25    14     3   -18   -21 |    -23
                    |                                                                         |
    Date of Ext-Day |    16    26    02    01    03    08    03    28    25    17    29    07 |
               -Year|  2008  2002  2002  2008  2008  2007  2004  2004  2000  1999  2006  2005 |
                    |                                                                         |
Heating Degree Days |  1489  1334  1258   982   721   435   263   351   553   862  1185  1485 |  10917
Cooling Degree Days |     0     0     0     0     0     0     0     0     0     0     0     0 |      0
                    |                                                                         |
Avg Number of Days: |                                                                         |
    Max Temp >= 90  |   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
    Max Temp >= 75  |   0.0   0.0   0.0   0.0   0.3   3.3  12.1   2.7   0.2   0.0   0.0   0.0 |   18.6
    Max Temp <= 32  |  20.8  18.3  11.1   4.0   1.1   0.0   0.0   0.0   0.1   1.7  10.9  20.5 |   88.5
                    |                                                                         |
    Min Temp <= 32  |  31.0  28.2  31.0  29.4  25.1  10.2   0.6   1.5  16.6  28.2  29.8  31.0 |  262.7
    Min Temp <= 20  |  28.9  26.3  24.2  12.6   3.8   0.1   0.0   0.0   0.6   6.8  20.9  29.1 |  153.4
    Min Temp  <= 0  |   9.1   7.0   3.1   0.2   0.0   0.0   0.0   0.0   0.0   0.0   3.5   8.0 |   30.9
                    |                                                                         |
Avg Dew Point Temp  |   5.5   5.8  11.0  15.5  21.8  26.8  36.2  37.5  27.7  18.3  10.1   5.5 |   18.5
Avg Wet Bulb Temp   |  14.1  14.9  20.0  26.0  33.3  39.5  45.8  45.0  37.7  28.9  20.4  14.0 |   28.3
                    |                                                                         |
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                    |                                                                         |
Avg Sea Level Pres  | 30.11 30.07 30.06 30.02 30.00 29.95 29.97 30.01 29.99 30.03 30.11 30.07 |  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   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0 |    0.0
    Heavy Fog       |   3.4   3.9   6.4   6.8   3.0   0.3   0.4   0.6   1.4   4.1   3.0   2.5 |   35.7
    Fog             |  13.5  12.3  15.0  13.3   8.8   5.6   6.3   9.5   7.6   8.6  10.2  11.1 |  121.9
    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     |  0.70  0.84  1.06  1.34  0.81  0.76  1.74  2.15  1.37  0.90  0.83  0.79 |  13.29
                    |                                                                         |
Maximum Daily       |  0.38  0.59  0.55  0.63  0.80  0.43  0.83  1.13  1.01  0.87  0.97  0.71 |   1.13
                    |                                                                         |
    Date of Ext-Day |    26    24    14    28    13    19    16    16    10    19    19    01 |
               -Year|  2000  2008  2008  2006  2008  2000  2004  2007  2008  2005  2008  2007 |
                    |                                                                         |
Avg Number of Days: |                                                                         |
    >= 0.01         |   9.0  11.0  12.8  11.9   8.9   7.2  13.9  17.7  10.5   8.8   8.6   9.4 |  129.7
    >= 0.10         |   3.0   2.8   3.7   4.7   2.4   2.1   5.8   7.2   4.7   3.2   2.3   3.0 |   45.0
    >= 0.25         |   0.5   0.6   0.9   1.7   0.7   1.2   2.1   3.1   1.5   0.6   0.8   0.7 |   14.6
    >= 0.50         |   0.0   0.1   0.2   0.2   0.1   0.0   0.6   0.5   0.5   0.1   0.2   0.2 |    2.6
    >= 1.00         |   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.2   0.1   0.0   0.0   0.0 |    0.3
                    |                                                                         |
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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   8.1   7.7   8.1   7.8   7.5   5.9   5.6   6.4   7.1   7.2   7.8 |    7.2
Daily Avg Max 2-Min |  19.4  20.2  20.4  22.4  23.0  23.3  20.1  19.7  20.2  19.7  18.7  19.3 |   20.5
Daily Avg Peak Gust |  24.4  25.4  25.7  29.0  29.9  30.6  25.9  25.2  26.3  25.3  23.9  24.8 |   26.4
                    |                                                                         |
Maximum Daily Avg   |  19.6  17.5  13.8  16.5  16.3  14.7  11.1  10.3  14.4  16.9  15.4  17.4 |   19.6
                    |                                                                         |
Maximum 2-Minute Avg|    37    40    38    41    38    37    37    35    36    40    33    41 |     41
                    |                                                                         |
Date of Max 2min-Day|    10    17    13    09    11    15    14    13    25    12    12    15 |
               -Year|  2000  1999  2002  1999  2004  2005  2002  2008  1998  2008  2005  2000 |
                    |                                                                         |
Maximum Peak Gust   |    47    57    52    55    53    52    47    44    52    56    53    56 |     57
                    |                                                                         |
Date of Max Gust-Day|    10    17    13    09    21    14    14    13    29    12    14    15 |
               -Year|  2000  1999  2002  1999  2002  2006  2002  2008  2007  2008  2008  2000 |
                    |                                                                         |
Avg Number of Days: |                                                                         |
   Peak Gust >=30   |   6.9   6.4   8.2  13.5  15.9  15.6   6.6   5.6   7.2   6.8   4.9   6.8 |  104.3
   Peak Gust >=40   |   1.2   0.9   0.5   2.1   1.6   2.9   0.7   0.4   0.6   1.2   0.8   1.1 |   14.1
   Peak Gust >=50   |   0.0   0.1   0.1   0.2   0.2   0.2   0.0   0.0   0.1   0.1   0.1   0.3 |    1.4
                    |                                                                         |
   Max 2-Minute >=30|   1.3   1.6   1.0   2.7   2.9   3.4   1.0   0.5   0.8   1.2   0.9   0.0 |   17.4
   Max 2-Minute >=40|   0.0   0.1   0.0   0.1   0.0   0.0   0.0   0.0   0.0   0.1   0.0   0.0 |    0.3
                    |                                                                         |
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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.