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CDUS46 KMTR 191225
CLISFO

CLIMATE REPORT
NATIONAL WEATHER SERVICE IN SAN FRANCISCO                            
524 AM PDT SUN AUG 19 2007


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

...THE SAN FRANCISCO AIRPORT CLIMATE SUMMARY FOR AUGUST 18 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         70    214 PM  88    1934  72     -2       68       
  MINIMUM         57    555 AM  48    1957  56      1       54       
  AVERAGE         64                        64      0       61      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.00          0.35 1976   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        1                         2     -1        4       
  MONTH TO DATE   45                        36      9       19       
  SINCE JUN 1    201                       233    -32      140       
  SINCE JUL 1     84                       113    -29       72       
                                                                     
 COOLING                                                             
  YESTERDAY        0                         1     -1        0       
  MONTH TO DATE    0                        13    -13       16       
  SINCE JUN 1     31                        57    -26      123       
  SINCE JAN 1     53                        71    -18      134       
..................................................................


 WIND (MPH)                                                           
  HIGHEST WIND SPEED    30   HIGHEST WIND DIRECTION     W (270)      
  HIGHEST GUST SPEED    38   HIGHEST GUST DIRECTION     W (270)      
  AVERAGE WIND SPEED    18.5                                         

                                                                      
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.2                                              

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

                                                                      
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    84           700 PM                                     
 LOWEST     53          1200 PM                                     
 AVERAGE    69                                                       

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

                                                                      
THE SAN FRANCISCO AIRPORT CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   72        89      1964                    
 MINIMUM TEMPERATURE (F)   56        49      1955                    
                                             1894                    

                                                                      
SUNRISE AND SUNSET                                                   
AUGUST 19 2007........SUNRISE   629 AM PDT   SUNSET   757 PM PDT   
AUGUST 20 2007........SUNRISE   629 AM PDT   SUNSET   756 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 SUN AUG 19 2007

-----------------------------------------------------------
TEMPERATURE CLIMATOLOGY FOR 5 AM PDT
-----------------------------------------------------------
NORMALS ARE     AUG  AUG    AUG       HIGHEST     LOWEST
1971-2000        18   19     19        SINCE      SINCE
AVERAGES         HI   LO    NORMS      JAN 1      JUL 1
--------------  --------  --------  ----------  -----------
SAN FRANCISCO    68   57   69   56   88 MAY 08   52 JUL 08
SFO AIRPORT      70   59   72   56   89 MAY 07   53 JUL 08
OAKLAND          73   58   74   58   90 MAY 07   54 AUG 14
MOFFETT FIELD    78   56   77   59   92 MAY 07   53 AUG 14
SAN JOSE         77   58   84   58   93 JUN 14   53 JUL 01
SANTA ROSA       82    M   82   53   94 JUN 14   45 AUG 15
SALINAS ARPT     73   55   73   56   91 MAY 07   50 JUL 02
-----------------------------------------------------------

--------------------------------------------------------------------
RECORDS SET ON    HIGHEST    LOWEST     LOWEST     HIGHEST   RECORDS
AUG 19              MAX       MIN        MAX        MIN      SINCE
2007              HI YEAR    LO YEAR    HI YEAR    LO YEAR    YEAR
--------------   ---------  ---------  ---------  ---------  -------
SAN FRANCISCO     91 1995    48 1955    56 1970    61 1983    1874
SFO AIRPORT       89 1964    49 1955    59 2002    60 2003    1945
OAKLAND           80 1974    52 1973    59 2002    64 1983    1970
MOFFETT FIELD     91 1995    51 1957    64 1966    64 1997    1945
SAN JOSE          98 1964    43 1893    71 1959    63 2003    1893
SANTA ROSA       105 1950    36 1915    66 2005    59 1983    1902
SALINAS ARPT      88 1950    46 1934    64 2002    63 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.

$$