AFOS product CLISFO
Dates interpreted at 00:00 UTC
Download date range (UTC midnight)
Bulk Download Bulk Download
363 
CDUS46 KMTR 020826
CLISFO

CLIMATE REPORT 
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
126 AM PDT SAT AUG 02 2025

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

...THE SAN FRANCISCO AIRPORT CLIMATE SUMMARY FOR AUGUST 1 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         68   2:20 PM  89    1975  73     -5       68        
  MINIMUM         57  11:59 PM  48    1951  56      1       54        
  AVERAGE         63                        64     -1       61     

PRECIPITATION (IN)                                                    
  YESTERDAY        0.00          0.01 2022   0.00   0.00     0.00     
  MONTH TO DATE    0.00                      0.00   0.00     0.00     
  SINCE OCT 1     16.11                     19.53  -3.42    20.13     
  SINCE JAN 1      7.55                     12.56  -5.01    14.80     

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

DEGREE DAYS                                                           
 HEATING                                                              
  YESTERDAY        2                         2      0        4        
  MONTH TO DATE    2                         2      0        4        
  SINCE JUN 1    214                       157     57      167        
  SINCE JUL 1     71                        60     11       54        

 COOLING                                                              
  YESTERDAY        0                         1     -1        0        
  MONTH TO DATE    0                         1     -1        0        
  SINCE JUN 1      2                        50    -48       49        
  SINCE JAN 1      8                        70    -62       60        
...................................................................


WIND (MPH)                                                            
  RESULTANT WIND SPEED  12   RESULTANT WIND DIRECTION   W (270)       
  HIGHEST WIND SPEED    28   HIGHEST WIND DIRECTION     W (260)       
  HIGHEST GUST SPEED    33   HIGHEST GUST DIRECTION     W (260)       
  AVERAGE WIND SPEED    13.1                                        


SKY COVER                                                             
  POSSIBLE SUNSHINE  MM                                                 
  AVERAGE SKY COVER 0.6                                                 


WEATHER CONDITIONS                                                    
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                         
  FOG                                                                 
  HAZE                                                                


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    89           6:00 AM                                      
 LOWEST     61          12:00 PM                                      
 AVERAGE    75                                                        

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


THE SAN FRANCISCO AIRPORT CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                     
 MAXIMUM TEMPERATURE (F)   73        91      1946                      
 MINIMUM TEMPERATURE (F)   56        49      1945                      
                                             1982                     


SUNRISE AND SUNSET                                                    
AUGUST  2 2025........SUNRISE   6:15 AM PDT   SUNSET   8:16 PM PDT     
AUGUST  3 2025........SUNRISE   6:15 AM PDT   SUNSET   8:15 PM PDT     


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




$$