STATION:  DOWNTOWN L.A./USC CAMPUS (KCQT), CA

CLIMATOLOGICAL SUMMARY.  Period of Record: Jul 1996 to Dec 2008

Summaries based on unedited daily ASOS data.  Errors may be present.

-----------------------------------------------------------------------------------------------

TEMPERATURE (F)     |   Jan   Feb   Mar   Apr   May   Jun   Jul   Aug   Sep   Oct   Nov   Dec |   Year
                    |                                                                         |
Avg Max Temp        |  67.4  67.7  69.9  70.8  74.8  77.7  83.0  84.1  81.4  77.8  72.5  67.7 |   74.6
Avg Min Temp        |  48.8  49.5  51.9  53.5  58.4  61.4  64.7  64.9  62.9  58.7  53.0  48.2 |   56.3
Avg Temperature     |  58.1  58.6  60.9  62.2  66.6  69.6  73.9  74.5  72.2  68.3  62.8  57.9 |   65.4
                    |                                                                         |
Extremes:           |                                                                         |
    Extreme Max Temp|    91    90    97   102   101    98   101   101   104   100    97    88 |    104
                    |                                                                         |
    Date of Ext-Day |    31    22    19    27    03    27    22    29    01    01    07    16 |
               -Year|  2003  2002  1997  2004  2004  2006  2006  1998  1998  2008  2006  1998 |
                    |                                                                         |
    Extreme Min Temp|    36    40    39    42    50    49    57    58    55    49    39    38 |     36
                    |                                                                         |
    Date of Ext-Day |    14    01    12    02    13    04    01    20    20    31    30    23 |
               -Year|  2007  2002  2006  1999  1998  1999  2005  1999  1999  2000  2004  1998 |
                    |                                                                         |
Heating Degree Days |   221   190   149   118    31     4     0     0     0    19   100   225 |   1057
Cooling Degree Days |     8     9    21    34    80   142   275   292   214   118    33     5 |   1229
                    |                                                                         |
Avg Number of Days: |                                                                         |
    Max Temp >= 90  |   0.1   0.1   0.6   1.2   0.9   0.8   3.6   5.3   3.5   3.6   0.9   0.0 |   20.7
    Max Temp >= 75  |   5.6   5.2   7.1   7.1  13.5  21.7  30.8  30.7  25.8  18.4  10.3   5.4 |  181.8
    Max Temp <= 32  |   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
                    |                                                                         |
    Min Temp <= 32  |   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
    Min Temp <= 20  |   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
    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  |  40.6  42.4  46.0  48.6  53.5  57.8  61.3  60.9  58.1  51.7  44.6  39.5 |   50.4
Avg Wet Bulb Temp   |  49.3  49.9  52.7  54.5  58.4  62.0  65.1  64.9  62.7  57.6  52.9  48.6 |   56.6
                    |                                                                         |
------------------------------------------------------------------------------------------------------
                    |                                                                         |
Avg Sea Level Pres  | 30.09 30.05 30.02 29.99 29.93 29.90 29.91 29.90 29.88 29.94 30.03 30.09 |  29.98
(Inches of Mercury) |                                                                         |
------------------------------------------------------------------------------------------------------
                    |                                                                         |
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   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0 |    0.0
    Heavy Fog       |   1.0   0.7   0.5   0.3   0.5   0.0   0.1   0.2   1.0   1.6   0.8   0.9 |    7.3
    Fog             |  10.2   9.2  12.9  10.4  10.6  11.2  13.2  12.9  12.3  14.7   9.8   9.5 |  137.0
    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
                    |                                                                         |
------------------------------------------------------------------------------------------------------
                    |                                                                         |
PRECIPITATION (In)  |   Jan   Feb   Mar   Apr   May   Jun   Jul   Aug   Sep   Oct   Nov   Dec |   Year
                    |                                                                         |
Average Monthly     |  3.22  4.47  1.47  0.99  0.45  0.09  0.00  0.09  0.08  0.90  0.93  2.23 |  14.92
                    |                                                                         |
Maximum Daily       |  2.58  2.45  4.10  1.44  1.18  0.58  0.03  0.95  0.40  1.41  1.82  5.55 |   5.55
                    |                                                                         |
    Date of Ext-Day |    09    12    15    04    12    02    06    11    22    20    08    28 |
               -Year|  2005  2003  2003  2006  1998  1999  2000  2005  2007  2004  2002  2004 |
                    |                                                                         |
Avg Number of Days: |                                                                         |
    >= 0.01         |   6.8   7.3   4.2   3.4   1.6   0.6   0.2   0.3   0.5   2.5   3.1   5.8 |   36.1
    >= 0.10         |   4.6   5.7   2.1   1.6   0.9   0.3   0.0   0.1   0.3   1.6   1.6   3.2 |   21.9
    >= 0.25         |   3.3   4.2   1.5   1.3   0.7   0.1   0.0   0.1   0.2   1.2   1.0   2.0 |   15.5
    >= 0.50         |   2.2   2.6   0.8   0.8   0.3   0.1   0.0   0.1   0.0   0.9   0.7   1.3 |    9.9
    >= 1.00         |   1.1   1.6   0.4   0.4   0.1   0.0   0.0   0.0   0.0   0.1   0.3   0.5 |    4.3
                    |                                                                         |
------------------------------------------------------------------------------------------------------
                    |                                                                         |
WIND (MPH)          |   Jan   Feb   Mar   Apr   May   Jun   Jul   Aug   Sep   Oct   Nov   Dec |   Year
                    |                                                                         |
Daily Avg Wind Speed|   1.8   2.2   2.5   2.8   2.7   2.7   2.6   2.4   2.1   1.7   1.5   1.5 |    2.2
Daily Avg Max 2-Min |   8.8   9.6  10.1  10.8   9.9   9.6   9.6   9.3   9.1   8.8   8.3   8.3 |    9.4
Daily Avg Peak Gust |  13.1  14.7  15.5  16.4  15.6  14.5  14.4  14.1  13.9  13.3  12.4  12.3 |   14.2
                    |                                                                         |
Maximum Daily Avg   |   7.3   7.3  11.1   6.8   6.4   4.6   4.3   4.2   4.2   6.9   6.9   5.9 |   11.1
                    |                                                                         |
Maximum 2-Minute Avg|    21    18    21    24    18    13    13    13    15    15    18    18 |     24
                    |                                                                         |
Date of Max 2min-Day|    02    03    13    12    10    08    03    18    19    10    26    25 |
               -Year|  2000  2008  2002  2007  2005  2000  2003  2005  2004  2000  2005  2003 |
                    |                                                                         |
Maximum Peak Gust   |    35    31    33    39    30    24    18    18    25    25    28    29 |     39
                    |                                                                         |
Date of Max Gust-Day|    02    14    27    12    09    25    23    10    19    10    26    13 |
               -Year|  2006  2008  2003  2007  2008  2006  2001  2000  2004  2008  2005  2008 |
                    |                                                                         |
Avg Number of Days: |                                                                         |
   Peak Gust >=30   |   0.2   0.2   0.3   0.3   0.1   0.0   0.0   0.0   0.0   0.0   0.0   0.0 |    1.2
   Peak Gust >=40   |   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
   Peak Gust >=50   |   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
                    |                                                                         |
   Max 2-Minute >=30|   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
   Max 2-Minute >=40|   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
                    |                                                                         |
------------------------------------------------------------------------------------------------------

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.