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735 
CDUS46 KMTR 020845
CLISFO

CLIMATE REPORT 
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
145 AM PDT FRI MAY 02 2025

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

...THE SAN FRANCISCO AIRPORT CLIMATE SUMMARY FOR MAY 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         65   1:06 PM  89    1947  67     -2       72        
  MINIMUM         50  11:59 PM  44    1983  50      0       49        
                                      1988                           
                                      2008                           
  AVERAGE         58                        59     -1       61     

PRECIPITATION (IN)                                                    
  YESTERDAY        0.00          0.20 2009   0.02  -0.02     0.00     
  MONTH TO DATE    0.00                      0.02  -0.02     0.00     
  SINCE OCT 1     15.96                     18.93  -2.97    19.18     
  SINCE JAN 1      7.40                     11.96  -4.56    13.85     

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

DEGREE DAYS                                                           
 HEATING                                                              
  YESTERDAY        7                         7      0        4        
  MONTH TO DATE    7                         7      0        4        
  SINCE MAR 1    469                       537    -68      493        
  SINCE JUL 1   2002                      2216   -214     1634        

 COOLING                                                              
  YESTERDAY        0                         0      0        0        
  MONTH TO DATE    0                         0      0        0        
  SINCE MAR 1      3                         6     -3        1        
  SINCE JAN 1      3                         6     -3        1        
...................................................................


WIND (MPH)                                                            
  RESULTANT WIND SPEED   8   RESULTANT WIND DIRECTION   W (290)       
  HIGHEST WIND SPEED    21   HIGHEST WIND DIRECTION     W (270)       
  HIGHEST GUST SPEED    26   HIGHEST GUST DIRECTION    NW (310)       
  AVERAGE WIND SPEED    10.4                                        


SKY COVER                                                             
  POSSIBLE SUNSHINE  MM                                                 
  AVERAGE SKY COVER 0.3                                                 


WEATHER CONDITIONS                                                    
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                         
  FOG                                                                 
  HAZE                                                                


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    89           1:00 AM                                      
 LOWEST     58           2:00 PM                                      
 AVERAGE    74                                                        

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


THE SAN FRANCISCO AIRPORT CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                     
 MAXIMUM TEMPERATURE (F)   67        89      2013                      
 MINIMUM TEMPERATURE (F)   50        42      1950                      
                                             1954                     


SUNRISE AND SUNSET                                                    
MAY  2 2025...........SUNRISE   6:12 AM PDT   SUNSET   8:01 PM PDT     
MAY  3 2025...........SUNRISE   6:11 AM PDT   SUNSET   8:02 PM PDT     


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




$$