AFOS product CLISFO
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CDUS46 KMTR 080826
CLISFO

CLIMATE REPORT 
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
126 AM PDT THU MAY 08 2025

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

...THE SAN FRANCISCO AIRPORT CLIMATE SUMMARY FOR MAY 7 2025...

CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1927 TO 2025


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST      
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR     
                                                  NORMAL           
...................................................................
TEMPERATURE (F)                                                          
 YESTERDAY                                                           
  MAXIMUM         66   2:42 PM  89    2007  67     -1       63        
  MINIMUM         50  11:34 PM  40    1968  51     -1       51        
  AVERAGE         58                        59     -1       57     

PRECIPITATION (IN)                                                    
  YESTERDAY        0.00          0.44 1994   0.02  -0.02     0.00     
  MONTH TO DATE    0.01                      0.14  -0.13     0.95     
  SINCE OCT 1     16.01                     19.05  -3.04    20.13     
  SINCE JAN 1      7.45                     12.08  -4.63    14.80     

SNOWFALL (IN)                                                              
  YESTERDAY       MM             0.0                                  
  MONTH TO DATE    T                                                  
  SINCE MAR 1      T                                                  
  SINCE JUL 1      T                                                  

DEGREE DAYS                                                           
 HEATING                                                              
  YESTERDAY        7                         6      1        8        
  MONTH TO DATE   42                        45     -3       50        
  SINCE MAR 1    578                       575      3      539        
  SINCE JUL 1   2111                      2254   -143     1680        

 COOLING                                                              
  YESTERDAY        0                         0      0        0        
  MONTH TO DATE    2                         0      2        0        
  SINCE MAR 1      5                         6     -1        1        
  SINCE JAN 1      5                         6     -1        1        
...................................................................


WIND (MPH)                                                            
  RESULTANT WIND SPEED   9   RESULTANT WIND DIRECTION  SW (240)       
  HIGHEST WIND SPEED    20   HIGHEST WIND DIRECTION     W (280)       
  HIGHEST GUST SPEED    27   HIGHEST GUST DIRECTION    SW (240)       
  AVERAGE WIND SPEED    11.8                                        


SKY COVER                                                             
  POSSIBLE SUNSHINE  MM                                                 
  AVERAGE SKY COVER 0.3                                                 


WEATHER CONDITIONS                                                    
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                         
  HAZE                                                                


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    86          10:00 PM                                      
 LOWEST     54           1:00 PM                                      
 AVERAGE    70                                                        

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


THE SAN FRANCISCO AIRPORT CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                     
 MAXIMUM TEMPERATURE (F)   68        86      2001                      
 MINIMUM TEMPERATURE (F)   51        44      1952                      
                                             1964                     
                                             1968                     


SUNRISE AND SUNSET                                                    
MAY  8 2025...........SUNRISE   6:06 AM PDT   SUNSET   8:06 PM PDT     
MAY  9 2025...........SUNRISE   6:05 AM PDT   SUNSET   8:07 PM PDT     


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




$$