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Climatological and Gamma Radiation Summary

                                    M O N T H L Y  C L I M A T O L O G I C A L  S U M M A R Y


STATION:   Tonopah CEMP
STATE:     Nevada
ELEVATION: 6180

Period of Record: Oct 1999 to Dec 2008

Based on unedited daily data.  Errors may be present.



              ||----------------------------AIR TEMPERATURE (F)--------------------------||-RELATIVE HUMIDITY--||
              ||                    |           |---------Average Number of Days---------||     (PERCENT)      ||
              ||   Avg   Avg        |-Extremes--|      Max Temp      |      Min Temp     ||   Avg   Avg        ||
          Mon ||   Max   Min   Avg  |  Hi   Lo  |  >=90  >=75  <=32  |  <=32  <=20   <=0 ||   Max   Min   Avg  ||
              ||                    |           |                    |                   ||                    ||
          Jan ||  42.5  23.9  32.5  |  64   -2  |   0.0   0.0   5.1  |  27.0   9.7   0.1 ||  82.1  38.4  60.9  ||
          Feb ||  44.7  25.8  34.7  |  62    9  |   0.0   0.0   2.0  |  24.3   6.1   0.0 ||  81.6  37.2  60.5  ||
          Mar ||  54.0  30.8  42.1  |  77   12  |   0.0   0.2   0.3  |  17.9   3.6   0.0 ||  69.0  22.4  44.0  ||
          Apr ||  60.2  35.5  47.8  |  81   19  |   0.0   1.6   0.0  |  11.9   0.2   0.0 ||  65.3  18.9  39.5  ||
          May ||  71.9  45.3  59.3  |  91   24  |   0.1  14.6   0.0  |   3.2   0.0   0.0 ||  51.6  13.3  29.0  ||
          Jun ||  82.3  54.5  69.4  |  97   33  |   3.2  25.8   0.0  |   0.0   0.0   0.0 ||  36.6   9.1  19.5  ||
          Jul ||  89.5  62.1  76.5  |  99   49  |  17.2  30.8   0.0  |   0.0   0.0   0.0 ||  39.1  10.3  21.6  ||
          Aug ||  86.3  59.5  73.4  |  96   47  |   7.9  30.2   0.0  |   0.0   0.0   0.0 ||  40.0  10.8  22.6  ||
          Sep ||  77.3  50.8  64.3  |  91   32  |   0.3  20.9   0.0  |   0.3   0.0   0.0 ||  43.8  12.3  25.2  ||
          Oct ||  65.4  41.1  52.8  |  83   20  |   0.0   5.1   0.0  |   4.7   0.1   0.0 ||  53.0  18.5  34.1  ||
          Nov ||  51.7  31.0  40.7  |  74    9  |   0.0   0.0   1.0  |  17.2   4.0   0.0 ||  68.5  26.7  46.8  ||
          Dec ||  41.8  23.3  31.9  |  65    6  |   0.0   0.0   4.6  |  28.7  10.5   0.0 ||  79.2  36.8  58.4  ||
              ||                    |           |                    |                   ||                    ||
              ---------------------------------------------------------------------------------------------------
              ||                    |           |                    |                   ||                    ||
         Year ||  64.0  40.3  52.1  |  99   -2  |  28.8 129.1  13.0  | 135.2  34.1   0.1 ||  59.1  21.2  38.5  ||




                           ||---------------------PRECIPITATION (Inches)-------------------||
                           ||         |-----Extremes------|                                ||
                           ||   Avg   |    Max      Max   |-----Average Number of Days-----||
                           || Monthly | 10-Minute  Daily  |          Precipitation         ||
                       Mon ||   PPT   |    PPT      PPT   | >=.01 >=.10 >=.25 >=.50 >=1.0  ||
                           ||         |                   |                                ||
                       Jan ||   0.30  |    0.07     0.37  |   3.8   1.2   0.1   0.0   0.0  ||
                       Feb ||   0.76  |    0.13     0.55  |   6.9   3.0   0.9   0.1   0.0  ||
                       Mar ||   0.39  |    0.06     0.50  |   4.1   1.4   0.4   0.1   0.0  ||
                       Apr ||   0.55  |    0.10     0.70  |   4.9   1.7   0.9   0.2   0.0  ||
                       May ||   0.31  |    0.07     0.47  |   2.6   0.9   0.6   0.0   0.0  ||
                       Jun ||   0.02  |    0.02     0.03  |   0.9   0.0   0.0   0.0   0.0  ||
                       Jul ||   0.37  |    0.20     0.42  |   3.2   1.3   0.7   0.0   0.0  ||
                       Aug ||   0.55  |    0.28     0.89  |   2.6   1.6   0.8   0.3   0.0  ||
                       Sep ||   0.40  |    0.15     1.28  |   1.8   1.0   0.3   0.2   0.1  ||
                       Oct ||   0.25  |    0.08     0.58  |   1.5   0.9   0.2   0.1   0.0  ||
                       Nov ||   0.31  |    0.12     0.50  |   2.3   1.1   0.4   0.1   0.0  ||
                       Dec ||   0.20  |    0.06     0.49  |   3.0   0.4   0.2   0.0   0.0  ||
                           ||         |                   |                                ||
                           ------------------------------------------------------------------
                           ||         |                   |                                ||
                      Year ||   4.41  |    0.28     1.28  |  37.4  14.5   5.5   1.2   0.1  ||



                ||-------------------WIND SPEED (MPH)----------------||--BAROMETRIC PRESSURE--||--SOIL TEMP--||
                ||         Max   |  Avg         |-Avg Number of Days-||-Station Pressure (In)-|| 4" Depth (F)||
                ||        Daily  | Daily   Peak |     Peak Gust      ||       |----Extremes---||     Avg     ||
            Mon ||   Avg   Avg   | Pk Gst  Gust |  >=30  >=40  >=50  ||  Avg  |  Max     Min  ||             ||
                ||               |              |                    ||       |               ||             ||
            Jan ||   5.9   15.2  |  19.0    51  |   3.2   0.6   0.1  || 24.04 | 24.45   23.48 ||     6.8     ||
            Feb ||   6.4   15.1  |  20.5    47  |   3.1   0.2   0.0  || 23.99 | 24.54   23.46 ||     7.8     ||
            Mar ||   6.4   17.3  |  22.6    48  |   5.0   0.9   0.0  || 23.98 | 24.40   23.41 ||     7.8     ||
            Apr ||   7.0   16.6  |  25.3    51  |   8.7   1.7   0.1  || 23.94 | 24.27   23.45 ||     7.7     ||
            May ||   6.1   17.2  |  24.2    47  |   6.0   0.7   0.0  || 23.97 | 24.27   23.49 ||    11.7     ||
            Jun ||   6.0   15.4  |  24.4    46  |   5.4   0.7   0.0  || 24.00 | 24.27   23.63 ||    13.2     ||
            Jul ||   5.3   10.3  |  24.2    48  |   4.9   0.1   0.0  || 24.07 | 24.28   23.84 ||    13.9     ||
            Aug ||   5.2   10.6  |  22.7    40  |   2.6   0.2   0.0  || 24.06 | 24.30   23.68 ||    13.5     ||
            Sep ||   5.2   11.9  |  21.6    48  |   3.8   0.1   0.0  || 24.04 | 24.25   23.63 ||     8.8     ||
            Oct ||   5.1   13.4  |  19.1    43  |   2.5   0.1   0.0  || 24.05 | 24.46   23.47 ||     9.9     ||
            Nov ||   5.6   12.7  |  19.0    39  |   3.1   0.0   0.0  || 24.05 | 24.37   14.18 ||     8.3     ||
            Dec ||   5.7   15.6  |  18.7    43  |   3.0   0.5   0.0  || 24.04 | 24.51   23.37 ||     7.3     ||
                ||               |              |                    ||       |               ||             ||
           ----------------------------------------------------------------------------------------------------
                ||               |              |                    ||       |               ||             ||
           Year ||   5.8   17.3  |  21.8    51  |  51.2   5.7   0.2  || 24.02 | 24.54   14.18 ||     9.7     ||




                                           ||----GAMMA RADIATION (microR/Hr-----||
                                           ||   Avg   Avg        |---Extremes---||
                                       Mon ||   Max   Min   Avg  |   Max   Min  ||
                                           ||                    |              ||
                                       Jan ||  16.8  15.8  16.2  |  22.2  13.2  ||
                                       Feb ||  16.9  15.8  16.2  |  22.2  14.0  ||
                                       Mar ||  16.7  15.8  16.2  |  24.9  14.5  ||
                                       Apr ||  16.9  15.9  16.3  |  21.0  15.1  ||
                                       May ||  16.7  15.9  16.2  |  19.4  14.9  ||
                                       Jun ||  16.7  15.8  16.2  |  20.5  15.2  ||
                                       Jul ||  16.6  15.7  16.1  |  20.8  13.4  ||
                                       Aug ||  16.6  15.7  16.1  |  20.8  14.9  ||
                                       Sep ||  16.9  15.9  16.3  |  65.3  15.0  ||
                                       Oct ||  17.0  16.1  16.5  |  22.0  15.1  ||
                                       Nov ||  17.0  16.1  16.5  |  21.2  13.7  ||
                                       Dec ||  17.1  16.2  16.6  |  19.4  14.6  ||
                                           ||                    |              ||
                                           ---------------------------------------
                                           ||                    |              ||
                                      Year ||  16.8  15.9  16.3  |  65.3  13.2  ||