STATION:  CARLSBAD-CAVERN CITY AIR TRML ARPT (KCNM), NM

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        |  59.8  63.7  71.1  80.5  89.8  96.9  96.3  93.7  87.7  78.6  68.1  58.6 |   78.7
Avg Min Temp        |  30.9  34.3  40.6  47.9  58.1  65.5  68.9  67.9  61.0  50.0  37.8  29.2 |   49.3
Avg Temperature     |  45.4  49.0  55.9  64.2  73.9  81.2  82.6  80.8  74.4  64.3  52.9  43.9 |   64.0
                    |                                                                         |
Extremes:           |                                                                         |
    Extreme Max Temp|    86    89    93    98   110   113   112   108   103    96    90    84 |    113
                    |                                                                         |
    Date of Ext-Day |    24    17    21    29    24    28    01    20    06    03    20    02 |
               -Year|  1999  2004  1997  2002  2000  1998  1999  2007  2001  1998  1996  2008 |
                    |                                                                         |
    Extreme Min Temp|    13    11    13    28    40    54    60    59    43    32    18     4 |      4
                    |                                                                         |
    Date of Ext-Day |    20    14    03    02    02    15    26    23    30    28    29    08 |
               -Year|  2008  2004  2002  2005  2004  2001  2004  2004  1999  2006  2001  2005 |
                    |                                                                         |
Heating Degree Days |   609   454   293   102    15     0     0     0     5    96   366   653 |   2593
Cooling Degree Days |     0     1    10    77   291   486   546   491   286    75     4     0 |   2267
                    |                                                                         |
Avg Number of Days: |                                                                         |
    Max Temp >= 90  |   0.0   0.0   0.1   4.9  18.5  25.6  27.3  24.0  13.5   4.2   0.2   0.0 |  118.4
    Max Temp >= 75  |   3.0   5.9  12.6  22.9  28.9  29.8  30.7  30.9  27.5  21.4  10.5   2.2 |  226.3
    Max Temp <= 32  |   0.5   0.2   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.1   0.6 |    1.3
                    |                                                                         |
    Min Temp <= 32  |  19.0  12.4   4.5   0.6   0.0   0.0   0.0   0.0   0.0   0.2   7.1  21.4 |   65.2
    Min Temp <= 20  |   2.6   1.1   0.5   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.2   3.4 |    7.7
    Min Temp  <= 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 |    0.0
                    |                                                                         |
Avg Dew Point Temp  |  23.2  24.4  28.5  29.6  40.0  48.7  56.8  58.8  53.1  43.0  29.9  22.7 |   38.2
Avg Wet Bulb Temp   |  35.8  38.0  43.6  48.5  56.1  62.3  66.0  66.4  61.3  52.3  41.8  35.1 |   50.6
                    |                                                                         |
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                    |                                                                         |
Avg Sea Level Pres  | 30.08 30.03 29.99 29.91 29.83 29.88 29.86 29.87 29.92 29.95 30.06 30.07 |  29.95
(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   |   0.2   0.6   2.4   2.1   4.2   7.2   7.9   9.0   4.2   2.1   0.5   0.2 |   40.4
    Heavy Fog       |   1.3   1.3   1.0   0.1   0.2   0.0   0.0   0.0   0.4   1.5   1.7   1.1 |    8.7
    Fog             |   4.1   4.6   4.7   2.9   4.0   2.0   1.8   2.6   3.5   5.6   5.1   3.4 |   44.2
    Hail            |   0.0   0.0   0.0   0.0   0.1   0.0   0.0   0.0   0.0   0.0   0.0   0.0 |    0.1
                    |                                                                         |
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                    |                                                                         |
PRECIPITATION (In)  |   Jan   Feb   Mar   Apr   May   Jun   Jul   Aug   Sep   Oct   Nov   Dec |   Year
                    |                                                                         |
Average Monthly     |  0.23  0.59  0.97  0.57  1.15  0.87  1.24  1.78  2.04  0.85  0.62  0.47 |  11.40
                    |                                                                         |
Maximum Daily       |  0.36  1.20  2.32  2.16  1.82  0.74  1.90  1.65  2.07  0.94  1.53  0.91 |   2.32
                    |                                                                         |
    Date of Ext-Day |    06    12    23    03    08    28    25    24    20    27    15    22 |
               -Year|  1997  1997  2007  2004  2007  2007  2004  1996  2007  1998  2004  1997 |
                    |                                                                         |
Avg Number of Days: |                                                                         |
    >= 0.01         |   2.8   3.7   4.5   2.2   3.8   4.8   6.2   7.5   6.2   6.1   4.1   3.6 |   55.3
    >= 0.10         |   0.9   1.6   1.8   1.0   2.1   2.8   2.9   4.1   3.1   2.8   1.0   1.2 |   25.4
    >= 0.25         |   0.3   0.7   0.8   0.6   1.3   1.2   1.4   2.6   1.9   1.1   0.6   0.5 |   13.1
    >= 0.50         |   0.0   0.2   0.5   0.4   0.8   0.5   0.8   1.1   1.5   0.4   0.5   0.2 |    7.0
    >= 1.00         |   0.0   0.1   0.3   0.1   0.3   0.0   0.2   0.3   0.6   0.0   0.1   0.0 |    2.0
                    |                                                                         |
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                    |                                                                         |
WIND (MPH)          |   Jan   Feb   Mar   Apr   May   Jun   Jul   Aug   Sep   Oct   Nov   Dec |   Year
                    |                                                                         |
Daily Avg Wind Speed|   8.8   9.7  10.7  11.0  10.0   9.9   8.0   7.3   7.8   7.9   8.3   8.6 |    9.0
Daily Avg Max 2-Min |  21.0  23.2  24.6  25.6  23.9  25.0  21.8  21.3  19.3  19.6  20.0  21.4 |   22.2
Daily Avg Peak Gust |  24.9  27.9  29.8  31.4  29.9  31.4  27.3  26.6  23.9  23.8  24.1  25.7 |   27.2
                    |                                                                         |
Maximum Daily Avg   |  26.8  26.0  31.7  26.9  23.0  19.5  13.5  14.7  20.1  23.3  22.5  26.3 |   31.7
                    |                                                                         |
Maximum 2-Minute Avg|    46    47    55    61    46    60    52    56    44    52    48    59 |     61
                    |                                                                         |
Date of Max 2min-Day|    28    24    08    06    15    09    04    12    29    12    14    15 |
               -Year|  2008  2007  2006  2001  2003  2003  2002  2004  2007  2001  2006  2003 |
                    |                                                                         |
Maximum Peak Gust   |    60    62    69    71    56    66    62    76    51    61    59    75 |     76
                    |                                                                         |
Date of Max Gust-Day|    28    24    08    06    15    09    04    12    29    12    14    15 |
               -Year|  2008  2007  2006  2001  2003  2003  2002  2004  2007  2001  2006  2003 |
                    |                                                                         |
Avg Number of Days: |                                                                         |
   Peak Gust >=30   |   8.8  11.1  13.8  15.6  16.2  15.1   9.4   8.8   5.4   6.9   8.0   9.8 |  128.9
   Peak Gust >=40   |   2.8   4.4   5.8   6.0   3.8   4.5   2.1   2.0   1.1   1.2   2.4   3.3 |   39.4
   Peak Gust >=50   |   0.9   1.0   1.5   1.4   0.3   1.1   0.8   0.4   0.1   0.3   0.4   1.3 |    9.4
                    |                                                                         |
   Max 2-Minute >=30|   5.3   7.4   7.7   8.2   6.4   7.4   4.1   3.6   2.2   2.4   3.7   0.0 |   58.5
   Max 2-Minute >=40|   1.1   1.4   2.3   1.8   0.2   1.0   0.9   0.5   0.2   0.3   0.5   0.0 |   10.2
                    |                                                                         |
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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.