STATION:  MCCALL MUNICIPAL AIRPORT (KMYL), ID

CLIMATOLOGICAL SUMMARY.  Period of Record: Oct 1997 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        |  28.6  32.5  39.3  47.8  58.8  67.6  80.4  78.1  67.9  54.5  39.5  28.2 |   51.9
Avg Min Temp        |  10.4   9.9  16.6  24.5  32.6  37.6  44.1  41.2  33.5  25.6  19.4  11.0 |   25.5
Avg Temperature     |  19.5  21.2  27.9  36.1  45.7  52.6  62.2  59.7  50.7  40.0  29.5  19.6 |   38.7
                    |                                                                         |
Extremes:           |                                                                         |
    Extreme Max Temp|    45    46    56    74    85    89    97    90    91    80    69    48 |     97
                    |                                                                         |
    Date of Ext-Day |    19    23    19    27    28    26    12    09    04    01    08    14 |
               -Year|  2005  2005  1999  2000  2003  2002  2002  2000  1998  2003  2003  2002 |
                    |                                                                         |
    Extreme Min Temp|   -23   -17   -13    -4    16    23    27    27    12     1   -15   -22 |    -23
                    |                                                                         |
    Date of Ext-Day |    29    08    02    10    01    09    05    31    28    31    29    21 |
               -Year|  2002  2001  2002  1999  2008  1999  1999  2006  1999  2002  2006  1998 |
                    |                                                                         |
Heating Degree Days |  1410  1237  1150   867   598   374   116   174   429   774  1066  1408 |   9604
Cooling Degree Days |     0     0     0     0     0     1    30     9     1     0     0     0 |     41
                    |                                                                         |
Avg Number of Days: |                                                                         |
    Max Temp >= 90  |   0.0   0.0   0.0   0.0   0.0   0.0   2.5   0.3   0.1   0.0   0.0   0.0 |    2.8
    Max Temp >= 75  |   0.0   0.0   0.0   0.0   2.7   8.0  25.4  22.6   8.6   0.4   0.0   0.0 |   67.7
    Max Temp <= 32  |  21.3  12.6   5.0   0.7   0.0   0.0   0.0   0.0   0.0   0.4   6.3  20.8 |   67.0
                    |                                                                         |
    Min Temp <= 32  |  30.8  28.2  30.2  27.7  15.7   6.4   0.6   1.2  14.3  26.5  28.0  30.4 |  239.9
    Min Temp <= 20  |  24.7  22.5  19.6   7.5   0.6   0.0   0.0   0.0   0.4   6.8  15.5  23.4 |  120.9
    Min Temp  <= 0  |   6.2   6.6   2.5   0.3   0.0   0.0   0.0   0.0   0.0   0.0   0.9   7.2 |   23.7
                    |                                                                         |
Avg Dew Point Temp  |  16.9  17.0  21.6  26.7  33.8  40.0  44.0  40.6  35.1  28.4  24.0  16.7 |   28.7
Avg Wet Bulb Temp   |  19.5  20.3  25.9  32.3  40.2  46.6  52.8  49.9  42.8  34.3  27.3  19.0 |   34.2
                    |                                                                         |
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                    |                                                                         |
Avg Sea Level Pres  | 30.19 30.16 30.09 30.02 29.99 29.97 29.98 29.99 30.03 30.11 30.17 30.24 |  30.08
(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   0.1   0.4   0.1   0.0   0.0   0.0   0.0   0.0   0.0 |    0.5
    Heavy Fog       |  13.9  11.0   8.2   5.1   2.5   2.9   1.5   1.4   2.5   3.8   9.6  14.6 |   77.0
    Fog             |  24.6  20.7  18.8  12.6  10.6   9.7   3.4   5.1   7.4  10.4  19.0  23.9 |  166.1
    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     |  2.05  1.68  1.87  1.73  2.52  1.77  0.27  0.50  1.02  1.34  2.16  2.24 |  19.17
                    |                                                                         |
Maximum Daily       |  0.71  0.78  1.30  0.72  1.07  1.35  0.31  0.74  0.72  0.97  0.88  1.16 |   1.35
                    |                                                                         |
    Date of Ext-Day |    23    27    27    15    12    25    08    22    02    09    07    28 |
               -Year|  2004  2000  2005  2006  2003  1998  2003  2004  2000  1997  2005  2005 |
                    |                                                                         |
Avg Number of Days: |                                                                         |
    >= 0.01         |  16.0  12.0  14.7  11.9  12.6  10.0   3.8   5.5   5.4   7.9  13.5  14.4 |  127.8
    >= 0.10         |   6.8   5.7   5.7   5.9   6.9   4.9   1.1   1.8   3.4   3.3   6.4   6.8 |   58.8
    >= 0.25         |   2.4   1.9   2.6   2.1   4.2   2.4   0.2   0.5   1.5   1.6   3.2   3.0 |   25.5
    >= 0.50         |   0.7   0.6   0.6   0.7   1.1   0.8   0.0   0.1   0.6   0.8   0.8   1.0 |    7.8
    >= 1.00         |   0.0   0.0   0.2   0.0   0.2   0.2   0.0   0.0   0.0   0.0   0.0   0.1 |    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|   2.9   3.3   4.0   5.0   5.4   4.8   4.2   4.3   4.0   3.8   3.1   3.0 |    4.0
Daily Avg Max 2-Min |  11.0  12.5  14.5  16.5  17.8  17.1  16.4  16.9  15.6  14.8  12.3  11.6 |   14.7
Daily Avg Peak Gust |  13.7  14.6  17.1  20.1  22.0  21.3  20.8  21.4  19.7  18.5  15.0  14.0 |   18.2
                    |                                                                         |
Maximum Daily Avg   |  17.2  17.9  17.0  14.8  15.2  13.6  10.0  10.4  12.4  14.6  15.7  17.3 |   17.9
                    |                                                                         |
Maximum 2-Minute Avg|    41    37    40    36    36    35    38    38    37    35    43    38 |     43
                    |                                                                         |
Date of Max 2min-Day|    16    06    29    14    08    29    13    04    08    23    07    15 |
               -Year|  2000  1999  1999  2002  1998  2004  2002  2000  1998  2001  2002  2002 |
                    |                                                                         |
Maximum Peak Gust   |    49    47    51    48    45    47    47    54    46    48    52    52 |     54
                    |                                                                         |
Date of Max Gust-Day|    16    06    29    14    08    29    13    04    06    02    07    29 |
               -Year|  1999  1999  1999  2002  1998  2004  2002  2000  2006  1997  2002  2008 |
                    |                                                                         |
Avg Number of Days: |                                                                         |
   Peak Gust >=30   |   2.1   0.9   2.5   3.0   3.2   3.2   2.1   3.7   2.4   2.4   2.3   1.9 |   29.8
   Peak Gust >=40   |   0.6   0.2   0.3   0.1   0.3   0.1   0.3   0.5   0.3   0.3   0.3   0.6 |    3.7
   Peak Gust >=50   |   0.0   0.0   0.1   0.0   0.0   0.0   0.0   0.2   0.0   0.0   0.1   0.2 |    0.5
                    |                                                                         |
   Max 2-Minute >=30|   0.9   0.4   0.8   0.5   0.6   0.3   0.4   0.6   0.6   0.3   0.6   0.0 |    6.2
   Max 2-Minute >=40|   0.3   0.0   0.1   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.1   0.0 |    0.5
                    |                                                                         |
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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.