STATION:  SALEM-MCNARY FIELD AIRPORT (KSLE), OR

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        |  47.2  51.6  55.4  60.2  67.3  73.2  82.7  82.2  76.4  63.4  52.8  46.9 |   63.3
Avg Min Temp        |  35.1  34.7  37.3  39.4  45.5  49.7  54.3  53.8  48.9  42.8  38.5  34.8 |   42.9
Avg Temperature     |  41.2  43.1  46.4  49.8  56.4  61.4  68.5  68.0  62.6  53.1  45.7  40.8 |   53.1
                    |                                                                         |
Extremes:           |                                                                         |
    Extreme Max Temp|    64    69    76    84    99   103   105   104    98    86    70    65 |    105
                    |                                                                         |
    Date of Ext-Day |    18    12    29    26    16    26    23    13    27    04    13    31 |
               -Year|  2005  2000  2004  2004  2008  2006  2006  2002  2003  2001  1999  1996 |
                    |                                                                         |
    Extreme Min Temp|    18    18    23    27    31    38    42    43    32    20    20    12 |     12
                    |                                                                         |
    Date of Ext-Day |    15    19    01    02    08    13    05    31    23    31    18    21 |
               -Year|  2007  2006  2002  2008  2002  2001  1996  2008  2000  2002  2000  1998 |
                    |                                                                         |
Heating Degree Days |   739   619   578   456   278   137    20    22   106   371   580   750 |   4654
Cooling Degree Days |     0     0     0     0    11    30   128   115    36     1     0     0 |    321
                    |                                                                         |
Avg Number of Days: |                                                                         |
    Max Temp >= 90  |   0.0   0.0   0.0   0.0   0.7   1.8   6.0   6.3   1.6   0.0   0.0   0.0 |   16.4
    Max Temp >= 75  |   0.0   0.0   0.1   1.9   6.6  11.2  26.2  25.7  17.0   3.0   0.0   0.0 |   91.7
    Max Temp <= 32  |   0.4   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.7 |    1.1
                    |                                                                         |
    Min Temp <= 32  |  11.3  10.6   6.4   2.8   0.1   0.0   0.0   0.0   0.1   1.5   6.5  11.9 |   51.2
    Min Temp <= 20  |   0.8   0.2   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.1   0.2   1.0 |    2.3
    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  |  36.9  37.0  39.7  41.3  46.1  49.6  52.8  52.7  49.3  45.4  41.4  37.2 |   44.1
Avg Wet Bulb Temp   |  39.5  40.3  43.3  45.7  50.9  54.8  59.2  59.0  55.1  49.1  43.7  39.3 |   48.3
                    |                                                                         |
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                    |                                                                         |
Avg Sea Level Pres  | 30.11 30.13 30.10 30.06 30.05 30.04 30.02 30.01 30.00 30.09 30.11 30.20 |  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   |   0.2   0.3   0.6   0.5   0.6   0.4   0.8   0.6   0.8   0.6   0.4   0.1 |    6.1
    Heavy Fog       |   6.5   3.5   1.7   1.2   0.3   0.2   0.1   0.0   1.4   5.6   5.6   5.8 |   31.9
    Fog             |  24.7  18.5  18.3  14.0  11.5   7.1   3.2   3.4   8.9  19.2  22.7  23.2 |  174.8
    Hail            |   0.1   0.2   0.2   0.2   0.3   0.1   0.0   0.0   0.0   0.0   0.0   0.0 |    1.2
                    |                                                                         |
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                    |                                                                         |
PRECIPITATION (In)  |   Jan   Feb   Mar   Apr   May   Jun   Jul   Aug   Sep   Oct   Nov   Dec |   Year
                    |                                                                         |
Average Monthly     |  7.24  4.08  4.02  2.43  2.31  1.22  0.20  0.47  1.39  2.86  6.51  7.83 |  40.57
                    |                                                                         |
Maximum Daily       |  2.22  1.41  1.28  1.22  1.56  0.69  0.69  0.60  1.23  1.20  2.85  2.38 |   2.85
                    |                                                                         |
    Date of Ext-Day |    17    27    27    12    31    08    17    22    30    30    19    27 |
               -Year|  1997  1999  2005  2003  1997  2004  1996  2001  2005  1997  1996  1998 |
                    |                                                                         |
Avg Number of Days: |                                                                         |
    >= 0.01         |  20.1  16.8  18.7  15.0  12.9   8.4   2.3   3.5   6.8  14.2  18.2  20.0 |  156.8
    >= 0.10         |  14.2  10.0  11.1   7.9   6.6   3.8   0.5   1.5   3.4   6.8  12.2  14.7 |   92.4
    >= 0.25         |   9.7   5.8   4.9   3.1   3.1   1.6   0.2   0.7   1.9   4.4   8.4  10.1 |   53.8
    >= 0.50         |   5.7   2.6   2.2   0.9   1.2   0.5   0.1   0.1   0.8   1.7   4.2   5.8 |   25.7
    >= 1.00         |   1.2   0.6   0.5   0.2   0.2   0.0   0.0   0.0   0.2   0.2   1.7   1.8 |    6.6
                    |                                                                         |
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                    |                                                                         |
WIND (MPH)          |   Jan   Feb   Mar   Apr   May   Jun   Jul   Aug   Sep   Oct   Nov   Dec |   Year
                    |                                                                         |
Daily Avg Wind Speed|   7.2   6.7   7.2   6.5   6.0   6.2   6.2   5.8   5.2   5.6   6.5   7.3 |    6.4
Daily Avg Max 2-Min |  17.1  16.5  17.5  16.8  15.5  15.7  15.2  15.2  14.6  15.0  16.2  17.2 |   16.0
Daily Avg Peak Gust |  20.9  20.1  21.3  20.5  19.2  19.3  18.8  18.9  18.0  18.4  20.0  21.3 |   19.7
                    |                                                                         |
Maximum Daily Avg   |  22.4  20.5  19.7  18.7  14.9  14.2  12.5  12.5  15.9  21.3  23.5  23.9 |   23.9
                    |                                                                         |
Maximum 2-Minute Avg|    43    38    78    40    31    28    24    25    34    34    49    39 |     78
                    |                                                                         |
Date of Max 2min-Day|    16    05    22    20    09    27    18    26    17    28    23    14 |
               -Year|  2000  1999  2001  1997  2000  2001  1996  1997  1997  1999  1998  2006 |
                    |                                                                         |
Maximum Peak Gust   |    60    49    87    52    41    36    45    37    43    44    68    54 |     87
                    |                                                                         |
Date of Max Gust-Day|    16    05    22    20    09    28    30    03    17    02    23    02 |
               -Year|  2000  1999  2001  1997  2000  2008  2007  2007  1997  1997  1998  2007 |
                    |                                                                         |
Avg Number of Days: |                                                                         |
   Peak Gust >=30   |   7.0   5.0   4.7   2.1   1.1   0.7   0.1   0.4   0.7   2.9   5.2   7.7 |   37.5
   Peak Gust >=40   |   1.8   1.3   0.9   0.2   0.1   0.0   0.1   0.0   0.1   0.4   1.3   2.2 |    8.4
   Peak Gust >=50   |   0.1   0.0   0.1   0.1   0.0   0.0   0.0   0.0   0.0   0.0   0.2   0.2 |    0.6
                    |                                                                         |
   Max 2-Minute >=30|   2.6   1.9   1.6   0.5   0.1   0.0   0.0   0.0   0.2   0.5   2.1   0.0 |    9.4
   Max 2-Minute >=40|   0.1   0.0   0.2   0.1   0.0   0.0   0.0   0.0   0.0   0.0   0.1   0.0 |    0.4
                    |                                                                         |
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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.