STATION:  CUT BANK MUNICIPAL AIRPORT (KCTB), MT

CLIMATOLOGICAL SUMMARY.  Period of Record: Jan 2001 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        |  34.2  34.8  41.8  52.2  62.4  70.4  83.5  79.2  67.9  55.1  43.6  34.5 |   55.0
Avg Min Temp        |  13.3  12.6  19.0  28.3  37.1  45.1  51.1  47.5  39.9  29.7  22.1  14.1 |   30.0
Avg Temperature     |  23.8  23.7  30.4  40.3  49.7  57.7  67.3  63.4  53.9  42.4  32.9  24.3 |   42.5
                    |                                                                         |
Extremes:           |                                                                         |
    Extreme Max Temp|    62    65    77    76    87    93   106    99    94    82    67    59 |    106
                    |                                                                         |
    Date of Ext-Day |    07    11    30    26    24    30    06    10    04    01    21    19 |
               -Year|  2003  2005  2004  2001  2001  2008  2007  2003  2003  2001  2002  2003 |
                    |                                                                         |
    Extreme Min Temp|   -35   -30   -34    -2    18    31    36    32    22    -8   -20   -27 |    -35
                    |                                                                         |
    Date of Ext-Day |    15    17    08    02    02    08    06    29    25    30    28    16 |
               -Year|  2005  2006  2002  2002  2005  2004  2003  2003  2005  2002  2006  2008 |
                    |                                                                         |
Heating Degree Days |  1277  1168  1072   742   475   233    42   108   342   701   964  1262 |   8387
Cooling Degree Days |     0     0     0     0     2    15   113    57     8     0     0     0 |    196
                    |                                                                         |
Avg Number of Days: |                                                                         |
    Max Temp >= 90  |   0.0   0.0   0.0   0.0   0.0   0.5   7.2   4.3   0.5   0.0   0.0   0.0 |   12.4
    Max Temp >= 75  |   0.0   0.0   0.1   0.9   4.8   9.7  26.7  22.2   8.6   1.5   0.0   0.0 |   74.5
    Max Temp <= 32  |  10.7  10.5   6.8   2.0   0.4   0.0   0.0   0.0   0.0   1.4   5.5  11.4 |   48.6
                    |                                                                         |
    Min Temp <= 32  |  27.5  27.1  27.4  20.6   9.4   0.3   0.0   0.3   4.2  18.7  23.8  28.4 |  187.5
    Min Temp <= 20  |  18.3  20.1  13.9   4.4   0.1   0.0   0.0   0.0   0.0   4.3  11.2  19.6 |   91.9
    Min Temp  <= 0  |   7.7   5.6   3.4   0.2   0.0   0.0   0.0   0.0   0.0   0.5   2.5   5.4 |   25.3
                    |                                                                         |
Avg Dew Point Temp  |  13.1  13.4  17.9  25.2  32.7  41.2  43.2  41.1  36.0  27.3  19.2  14.3 |   27.1
Avg Wet Bulb Temp   |  20.3  20.3  25.8  33.9  41.9  49.3  54.4  51.7  45.0  35.5  27.8  21.2 |   35.6
                    |                                                                         |
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                    |                                                                         |
Avg Sea Level Pres  | 30.12 30.11 30.09 30.02 29.99 29.94 29.93 29.96 29.98 30.05 30.10 30.11 |  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   0.6   1.2   5.0   3.6   4.8   0.8   0.0   0.0   0.0 |   16.0
    Heavy Fog       |   2.2   3.5   2.9   2.0   0.9   0.5   0.2   0.1   1.2   2.6   1.9   2.4 |   20.5
    Fog             |   7.1  11.4  12.0   8.9   5.8   6.9   2.0   3.8   4.9   7.7   6.0   6.5 |   82.8
    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     |  0.05  0.06  0.15  0.69  1.48  2.62  0.67  0.72  1.32  0.43  0.11  0.06 |   8.36
                    |                                                                         |
Maximum Daily       |  0.07  0.06  0.24  0.60  1.23  2.30  0.91  0.66  1.35  0.54  0.26  0.09 |   2.30
                    |                                                                         |
    Date of Ext-Day |    20    28    29    02    23    08    26    31    10    05    25    27 |
               -Year|  2007  2006  2006  2001  2008  2002  2008  2008  2005  2007  2001  2002 |
                    |                                                                         |
Avg Number of Days: |                                                                         |
    >= 0.01         |   2.5   2.8   5.1   6.8   8.0  12.4   4.6   6.9   8.9   4.3   2.4   2.2 |   66.7
    >= 0.10         |   0.0   0.0   0.1   2.4   3.5   5.0   1.5   2.5   3.2   1.4   0.4   0.0 |   20.0
    >= 0.25         |   0.0   0.0   0.0   1.0   2.0   2.8   0.6   0.9   1.8   0.5   0.1   0.0 |    9.7
    >= 0.50         |   0.0   0.0   0.0   0.1   1.0   1.9   0.5   0.1   0.8   0.3   0.0   0.0 |    4.6
    >= 1.00         |   0.0   0.0   0.0   0.0   0.1   0.4   0.0   0.0   0.2   0.0   0.0   0.0 |    0.8
                    |                                                                         |
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                    |                                                                         |
WIND (MPH)          |   Jan   Feb   Mar   Apr   May   Jun   Jul   Aug   Sep   Oct   Nov   Dec |   Year
                    |                                                                         |
Daily Avg Wind Speed|  15.1  12.6  13.6  12.8  12.9  11.9  10.4   9.7  10.7  12.6  14.3  14.1 |   12.6
Daily Avg Max 2-Min |  31.2  25.6  28.1  26.5  27.0  26.0  25.3  23.9  23.5  27.3  29.9  29.5 |   27.0
Daily Avg Peak Gust |  36.6  30.1  33.1  31.8  32.5  31.5  31.3  29.5  28.5  32.7  35.4  34.7 |   32.3
                    |                                                                         |
Maximum Daily Avg   |  37.5  35.6  32.0  32.2  32.1  31.2  23.3  23.2  27.9  29.3  35.8  36.7 |   37.5
                    |                                                                         |
Maximum 2-Minute Avg|    64    60    58    70    55    53    53    47    46    66    62    69 |     70
                    |                                                                         |
Date of Max 2min-Day|    08    21    12    14    19    04    13    19    19    07    15    15 |
               -Year|  2002  2002  2007  2002  2005  2006  2002  2008  2002  2008  2006  2006 |
                    |                                                                         |
Maximum Peak Gust   |    79    70    69    77    62    63    62    59    54    83    78    84 |     84
                    |                                                                         |
Date of Max Gust-Day|    02    21    11    14    25    04    13    19    19    07    15    15 |
               -Year|  2007  2002  2007  2002  2003  2006  2002  2008  2002  2008  2006  2006 |
                    |                                                                         |
Avg Number of Days: |                                                                         |
   Peak Gust >=30   |  20.5  13.8  17.9  17.1  18.6  15.8  16.3  14.6  13.6  16.8  19.4  19.2 |  203.4
   Peak Gust >=40   |  12.5   6.9  10.5   6.0   7.3   6.7   5.2   5.3   3.9   9.2  10.9  12.1 |   96.4
   Peak Gust >=50   |   5.9   2.1   2.6   1.5   1.8   1.6   1.5   0.6   0.5   4.0   4.6   4.5 |   31.3
                    |                                                                         |
   Max 2-Minute >=30|  16.9   9.8  14.4  10.0  11.2  11.1   8.4   7.9   6.5  11.7  15.8   0.0 |  123.7
   Max 2-Minute >=40|   7.0   3.5   4.5   2.0   3.0   2.3   2.1   1.0   1.3   4.9   5.6   0.0 |   37.2
                    |                                                                         |
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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.