STATION:  CORTEZ MUNICIPAL AIRPORT (KCEZ), 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        |  42.4  46.4  56.4  63.8  75.5  86.1  91.0  87.0  78.7  66.1  53.1  42.4 |   65.7
Avg Min Temp        |  15.4  18.6  23.3  29.4  37.0  43.9  54.2  52.6  42.9  32.0  22.2  14.5 |   32.2
Avg Temperature     |  28.9  32.5  39.9  46.6  56.3  65.0  72.6  69.8  60.8  49.1  37.6  28.4 |   49.0
                    |                                                                         |
Extremes:           |                                                                         |
    Extreme Max Temp|    65    65    78    83    97    98   102    98    92    83    74    65 |    102
                    |                                                                         |
    Date of Ext-Day |    09    07    20    27    31    29    20    14    16    01    04    01 |
               -Year|  2000  2008  2004  2000  2002  1998  2005  1996  2000  2000  2001  2003 |
                    |                                                                         |
    Extreme Min Temp|   -11    -9    -1    13    19    27    33    37    23    12    -2    -9 |    -11
                    |                                                                         |
    Date of Ext-Day |    17    02    03    13    02    05    02    25    29    22    30    26 |
               -Year|  2008  2007  2002  1997  2008  1999  1997  2002  1999  1996  2006  1997 |
                    |                                                                         |
Heating Degree Days |  1118   917   779   552   279    65     1     5   147   494   822  1134 |   6313
Cooling Degree Days |     0     0     0     0     8    65   237   154    21     0     0     0 |    486
                    |                                                                         |
Avg Number of Days: |                                                                         |
    Max Temp >= 90  |   0.0   0.0   0.0   0.0   1.4  11.0  20.7   9.9   0.5   0.0   0.0   0.0 |   43.6
    Max Temp >= 75  |   0.0   0.0   0.2   3.2  18.8  27.6  30.7  30.6  22.8   5.9   0.0   0.0 |  139.8
    Max Temp <= 32  |   4.3   0.8   0.2   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.4   2.5 |    8.1
                    |                                                                         |
    Min Temp <= 32  |  30.2  27.3  28.2  20.9   7.8   1.2   0.0   0.0   2.6  17.3  27.8  30.5 |  193.9
    Min Temp <= 20  |  21.6  15.2   9.9   2.6   0.1   0.0   0.0   0.0   0.0   1.5  12.3  23.2 |   86.4
    Min Temp  <= 0  |   2.6   0.9   0.2   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.1   1.7 |    5.5
                    |                                                                         |
Avg Dew Point Temp  |  18.5  19.5  20.8  23.3  29.7  31.9  43.0  43.3  36.5  29.9  22.4  17.0 |   28.0
Avg Wet Bulb Temp   |  24.6  27.5  32.1  36.9  44.2  49.0  56.3  55.5  48.4  39.7  30.7  23.7 |   39.1
                    |                                                                         |
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                    |                                                                         |
Avg Sea Level Pres  | 30.16 30.10 30.03 29.94 29.91 29.90 29.94 29.98 29.99 30.05 30.13 30.17 |  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   |   0.1   0.8   0.9   1.7   2.7   2.9   7.8   7.9   4.3   2.6   0.4   0.2 |   32.2
    Heavy Fog       |   1.8   1.8   1.5   0.6   0.0   0.0   0.0   0.1   0.0   0.2   0.6   0.8 |    7.4
    Fog             |   8.9   6.5   6.4   5.1   2.0   0.8   3.0   3.2   3.5   4.9   4.6   6.1 |   55.0
    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     |  1.02  1.01  0.71  0.85  0.61  0.19  0.92  1.19  1.65  1.40  0.83  0.69 |  11.07
                    |                                                                         |
Maximum Daily       |  0.95  0.63  0.46  0.86  0.80  0.37  1.00  0.96  2.63  1.37  1.10  0.84 |   2.63
                    |                                                                         |
    Date of Ext-Day |    05    03    16    24    19    08    25    04    09    03    08    01 |
               -Year|  2008  2008  2003  2005  2001  2006  2005  2005  2003  1996  1998  2007 |
                    |                                                                         |
Avg Number of Days: |                                                                         |
    >= 0.01         |   6.2   8.1   5.8   6.4   4.5   2.8   7.3   9.3   7.7   7.1   5.2   6.2 |   76.8
    >= 0.10         |   3.4   3.2   2.9   2.4   2.2   0.7   2.6   3.1   3.6   3.7   2.5   2.4 |   32.7
    >= 0.25         |   1.3   1.5   0.8   1.0   0.8   0.1   1.1   1.6   1.7   2.2   0.9   0.8 |   13.9
    >= 0.50         |   0.3   0.2   0.0   0.3   0.1   0.0   0.5   0.6   0.8   0.8   0.4   0.2 |    4.1
    >= 1.00         |   0.0   0.0   0.0   0.0   0.0   0.0   0.1   0.0   0.3   0.2   0.1   0.0 |    0.6
                    |                                                                         |
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                    |                                                                         |
WIND (MPH)          |   Jan   Feb   Mar   Apr   May   Jun   Jul   Aug   Sep   Oct   Nov   Dec |   Year
                    |                                                                         |
Daily Avg Wind Speed|   5.7   6.3   7.4   8.5   8.0   7.9   6.4   6.0   6.3   6.7   5.9   5.9 |    6.8
Daily Avg Max 2-Min |  15.8  18.2  20.4  23.5  22.8  22.9  22.4  20.8  19.9  19.2  16.9  16.5 |   19.9
Daily Avg Peak Gust |  18.8  22.0  25.5  29.7  28.8  29.2  28.0  26.1  24.9  23.8  20.3  19.7 |   24.7
                    |                                                                         |
Maximum Daily Avg   |  15.0  17.3  19.5  20.5  19.0  20.9  12.7  12.5  16.9  20.2  15.0  21.3 |   21.3
                    |                                                                         |
Maximum 2-Minute Avg|    41    46    46    52    44    43    39    39    43    46    35    44 |     52
                    |                                                                         |
Date of Max 2min-Day|    25    15    29    18    22    28    16    01    07    25    22    26 |
               -Year|  2006  2006  2006  2000  1999  2005  1997  2002  2002  2006  2003  2008 |
                    |                                                                         |
Maximum Peak Gust   |    49    57    56    61    62    56    59    47    52    60    41    55 |     62
                    |                                                                         |
Date of Max Gust-Day|    25    24    29    18    22    28    04    09    18    25    03    26 |
               -Year|  2006  1998  2006  2007  1999  2005  2007  2000  1997  2006  1996  2008 |
                    |                                                                         |
Avg Number of Days: |                                                                         |
   Peak Gust >=30   |   2.6   3.9   8.2  13.0  12.2  12.4  11.4   8.7   7.6   7.1   3.5   3.7 |   94.3
   Peak Gust >=40   |   0.6   0.8   1.8   4.1   2.2   2.6   2.4   1.7   1.3   1.3   0.4   0.8 |   20.0
   Peak Gust >=50   |   0.0   0.2   0.2   0.4   0.3   0.4   0.2   0.0   0.2   0.2   0.0   0.1 |    2.3
                    |                                                                         |
   Max 2-Minute >=30|   0.8   1.6   2.8   5.8   4.2   4.1   3.7   2.9   2.2   2.3   1.1   0.0 |   31.4
   Max 2-Minute >=40|   0.2   0.2   0.4   0.5   0.2   0.3   0.0   0.0   0.2   0.2   0.0   0.0 |    2.1
                    |                                                                         |
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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.