CDUS46 KMTR 250041
CLISFO

CLIMATE REPORT 
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
541 PM PDT FRI SEP 24 2021

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

...THE SAN FRANCISCO AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 24 2021...
VALID TODAY AS OF 0500 PM LOCAL TIME.

CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1927 TO 2021


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST      
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR     
                                                  NORMAL           
...................................................................
TEMPERATURE (F)                                                          
 TODAY                                                               
  MAXIMUM         72  12:47 PM  94    2019  75     -3       79        
  MINIMUM         55   6:16 AM  48    1945  56     -1       61        
                                      1955                           
  AVERAGE         64                        65     -1       70     

PRECIPITATION (IN)                                                    
  TODAY            0.00          0.18 1986   0.00   0.00     0.00     
  MONTH TO DATE    0.00                      0.04  -0.04     0.00     
  SINCE OCT 1      7.25                     19.61 -12.36     9.17     
  SINCE JAN 1      5.55                     12.64  -7.09     4.16     

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

DEGREE DAYS                                                           
 HEATING                                                              
  TODAY            1                         2     -1        0        
  MONTH TO DATE   23                        32     -9       14        
  SINCE SEP 1     23                        32     -9       14        
  SINCE JUL 1     68                       134    -66       78        

 COOLING                                                              
  TODAY            0                         2     -2        5        
  MONTH TO DATE   31                        48    -17       87        
  SINCE SEP 1     31                        48    -17       87        
  SINCE JAN 1    155                       158     -3      252        
...................................................................


WIND (MPH)                                                            
  RESULTANT WIND SPEED  12   RESULTANT WIND DIRECTION  NW (310)       
  HIGHEST WIND SPEED    23   HIGHEST WIND DIRECTION    NW (300)       
  HIGHEST GUST SPEED    28   HIGHEST GUST DIRECTION    NW (300)       
  AVERAGE WIND SPEED    12.4                                        


SKY COVER                                                             
  POSSIBLE SUNSHINE  MM                                                 
  AVERAGE SKY COVER 0.2                                                 


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    93           6:00 AM                                      
 LOWEST     57          12:00 PM                                      
 AVERAGE    75                                                        

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


THE SAN FRANCISCO AIRPORT CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR                     
 MAXIMUM TEMPERATURE (F)   75        96      2019                      
 MINIMUM TEMPERATURE (F)   56        47      1948                      
                                             1972                     


SUNRISE AND SUNSET                                                    
SEPTEMBER 24 2021.....SUNRISE   6:59 AM PDT   SUNSET   7:03 PM PDT     
SEPTEMBER 25 2021.....SUNRISE   7:00 AM PDT   SUNSET   7:01 PM PDT     


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




$$