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CDUS46 KMTR 201222
CLISFO

CLIMATE REPORT
NATIONAL WEATHER SERVICE IN SAN FRANCISCO                            
126 AM PDT MON AUG 20 2007


 ................................... 

...THE SAN FRANCISCO AIRPORT CLIMATE SUMMARY FOR AUGUST 19 2007...

CLIMATE NORMAL PERIOD 1971 TO 2000
CLIMATE RECORD PERIOD 1927 TO 2007


 WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST     
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR     
                                                  NORMAL             
..................................................................
TEMPERATURE (F)                                                     
 YESTERDAY                                                           
  MAXIMUM         74    247 PM  89    1964  72      2       65       
  MINIMUM         59    614 AM  49    1955  56      3       54       
                                      1894                          
  AVERAGE         67                        64      3       60      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.00          0.56 1997   0.00   0.00     0.00    
  MONTH TO DATE    0.00                      0.00   0.00     0.00    
  SINCE JUL 1      0.01                      0.03  -0.02     0.00    
  SINCE JAN 1      6.30                     13.42  -7.12    15.26    
                                                                     
SNOWFALL (IN)                                                        
  YESTERDAY        0.0                                               
  MONTH TO DATE    0.0                                               
  SINCE JUN 1      0.0                                               
  SINCE JUL 1      0.0                                               
  SNOW DEPTH       0                                                 
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY        0                         2     -2        5       
  MONTH TO DATE   45                        38      7       24       
  SINCE JUN 1    201                       235    -34      145       
  SINCE JUL 1     84                       115    -31       77       
                                                                     
 COOLING                                                             
  YESTERDAY        2                         1      1        0       
  MONTH TO DATE    2                        14    -12       16       
  SINCE JUN 1     33                        58    -25      123       
  SINCE JAN 1     55                        72    -17      134       
..................................................................


 WIND (MPH)                                                           
  HIGHEST WIND SPEED    24   HIGHEST WIND DIRECTION     W (280)      
  HIGHEST GUST SPEED    28   HIGHEST GUST DIRECTION     W (270)      
  AVERAGE WIND SPEED    12.5                                         

                                                                      
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.4                                              

                                                                      
WEATHER CONDITIONS                                                  
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                        
  NO SIGNIFICANT WEATHER WAS OBSERVED.                               

                                                                      
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    93           800 PM                                     
 LOWEST     53          1100 AM                                     
 AVERAGE    73                                                       

 ..........................................................

                                                                      
THE SAN FRANCISCO AIRPORT CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   72        84      1964                    
                                             1916                    
 MINIMUM TEMPERATURE (F)   56        47      1955                    

                                                                      
SUNRISE AND SUNSET                                                   
AUGUST 20 2007........SUNRISE   629 AM PDT   SUNSET   756 PM PDT   
AUGUST 21 2007........SUNRISE   630 AM PDT   SUNSET   754 PM PDT   

                                                                     
-  INDICATES NEGATIVE NUMBERS.                                      
R  INDICATES RECORD WAS SET OR TIED.                                
MM INDICATES DATA IS MISSING.                                       
T  INDICATES TRACE AMOUNT.                                          


TEMPERATURE AND PRECIPITATION SUMMARIES FOR SELECTED LOCATIONS 
NATIONAL WEATHER SERVICE SAN FRANCISCO CA
530 AM PDT MON AUG 20 2007

-----------------------------------------------------------
TEMPERATURE CLIMATOLOGY FOR 5 AM PDT
-----------------------------------------------------------
NORMALS ARE     AUG  AUG    AUG       HIGHEST     LOWEST
1971-2000        19   20     20        SINCE      SINCE
AVERAGES         HI   LO    NORMS      JAN 1      JUL 1
--------------  --------  --------  ----------  -----------
SAN FRANCISCO    70   58   69   56   88 MAY 08   52 JUL 08
SFO AIRPORT      74   60   72   56   89 MAY 07   53 JUL 08
OAKLAND          76   63   74   58   90 MAY 07   54 AUG 14
MOFFETT FIELD    77   64   77   59   92 MAY 07   53 AUG 14
SAN JOSE         79   64   84   58   93 JUN 14   53 JUL 01
SANTA ROSA       81    M   82   54   94 JUN 14   45 AUG 15
SALINAS ARPT     77   59   73   56   91 MAY 07   50 JUL 02
-----------------------------------------------------------

--------------------------------------------------------------------
RECORDS SET ON    HIGHEST    LOWEST     LOWEST     HIGHEST   RECORDS
AUG 20              MAX       MIN        MAX        MIN      SINCE
2007              HI YEAR    LO YEAR    HI YEAR    LO YEAR    YEAR
--------------   ---------  ---------  ---------  ---------  -------
SAN FRANCISCO     84 1916    49 1955    56 1970    60 1983    1874
SFO AIRPORT       84 1964    47 1955    60 2001    60 2007    1945
OAKLAND           85 1974    53 1973    59 2001    64 1972    1970
MOFFETT FIELD     88 1974    50 1948    63 1970    64 2007    1945
SAN JOSE          92 1969    42 1893    70 1922    67 1961    1893
SANTA ROSA        98 1945    38 1915    67 1959    59 1972    1902
SALINAS ARPT      85 1948    47 1949    63 2001    62 1983    1931
--------------------------------------------------------------------
THIS MORNING LOW TEMPERATURES AND YESTERDAYS HIGH TEMPERATURES.



-----------------------
- YESTERDAYS PRODUCT -
-----------------------
----------------------------------------------------------------
PRECIPITATION CLIMATOLOGY
----------------------------------------------------------------
NORMALS ARE      LAST   JUL 01-       JUL 01-      JUL 01- JUL 01-
1971-2000         24    AUG 14        AUG 14       AUG 14  JUN 30
AVERAGES        HOURS   2007   PON    2006   PON   NORMAL  NORMAL
--------------  -----  ------------  ------------  ------  -------
SAN FRANCISCO   0.00     0.02    50    0.00     0    0.04   22.28
SFO AIRPORT     0.00     0.01    33    0.00     0    0.03   20.11
OAKLAND         0.00     0.00     0    0.00     0    0.07   22.94
MOFFETT FIELD   0.00     0.06    86    0.00     0    0.07   14.13
SAN JOSE        0.00     0.01    17    0.00     0    0.06   15.08
SANTA ROSA      0.00     0.17   283    0.01    17    0.06   31.01
SALINAS ARPT    0.00     0.00     0    0.00     0    0.04   12.91
----------------------------------------------------------------
TODAYS 24 HOUR PRECIPITATION TOTALS.
PON - PERCENT OF NORMAL FOLLOWS THE JUL 01 - AUG 14 AMOUNTS.
TRACE AMOUNTS LISTED AS TRACE.

NOTE: THIS CLIMATOLOGICAL DATA IS PRELIMINARY. FOR OFFICIAL
CERTIFIED CLIMATOLOGICAL DATA PLEASE CONTACT THE NATIONAL
CLIMATIC DATA CENTER AT 828-271-4800 OR HTTP://WWW.NCDC.NOAA.GOV.
OFFICIAL VALUES AS DETERMINED AT THE ABOVE WEB SITE MAY TAKE
SEVERAL MONTHS FOR AUTHENTICATION AND PUBLICATION. 

$$