260 
CDUS46 KMTR 120033
CLISFO

CLIMATE REPORT 
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
533 PM PDT TUE AUG 11 2020

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

...THE SAN FRANCISCO AIRPORT CLIMATE SUMMARY FOR AUGUST 11 2020...
VALID TODAY AS OF 0500 PM LOCAL TIME.

CLIMATE NORMAL PERIOD: 1981 TO 2010
CLIMATE RECORD PERIOD: 1927 TO 2020


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST      
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR     
                                                  NORMAL           
...................................................................
TEMPERATURE (F)                                                          
 TODAY                                                               
  MAXIMUM         77  12:30 PM  84    1959  72      5       84        
                                      2019                           
  MINIMUM         58   6:08 AM  48    1946  56      2       58        
                                      1951                           
  AVERAGE         68                        64      4       71     

PRECIPITATION (IN)                                                    
  TODAY            0.00          0.29 1965   0.00   0.00     0.00     
  MONTH TO DATE    0.00                      0.01  -0.01     0.00     
  SINCE OCT 1      9.12                     20.45 -11.33    23.31     
  SINCE JAN 1      4.11                     13.09  -8.98    18.43     

SNOWFALL (IN)                                                              
  TODAY           MM             0.0                                  
  MONTH TO DATE   MM                                                  
  SINCE JUN 1     MM                                                  
  SINCE JUL 1     MM                                                  
  SNOW DEPTH      MM                                                  

DEGREE DAYS                                                           
 HEATING                                                              
  TODAY            0                         2     -2        0        
  MONTH TO DATE    8                        22    -14        0        
  SINCE JUN 1     90                       192   -102       80        
  SINCE JUL 1     48                        87    -39       29        

 COOLING                                                              
  TODAY            3                         1      2        6        
  MONTH TO DATE   15                        11      4       22        
  SINCE JUN 1     62                        56      6      116        
  SINCE JAN 1     85                        75     10      125        
...................................................................


WIND (MPH)                                                            
  RESULTANT WIND SPEED   8   RESULTANT WIND DIRECTION  NW (310)       
  HIGHEST WIND SPEED    24   HIGHEST WIND DIRECTION    NW (300)       
  HIGHEST GUST SPEED    30   HIGHEST GUST DIRECTION    NW (300)       
  AVERAGE WIND SPEED     9.8                                        


SKY COVER                                                             
  POSSIBLE SUNSHINE  MM                                                 
  AVERAGE SKY COVER 0.3                                                 


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    90          12:00 AM                                      
 LOWEST     52           1:00 PM                                      
 AVERAGE    71                                                        

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


THE SAN FRANCISCO AIRPORT CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR                     
 MAXIMUM TEMPERATURE (F)   72        89      1958                      
                                             1959                     
 MINIMUM TEMPERATURE (F)   56        47      1946                      


SUNRISE AND SUNSET                                                    
AUGUST 11 2020........SUNRISE   6:22 AM PDT   SUNSET   8:06 PM PDT     
AUGUST 12 2020........SUNRISE   6:23 AM PDT   SUNSET   8:05 PM PDT     


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




$$