401  
SXUS76 KMTR 180042  
RERMTR  
 
RECORD EVENT REPORT  
NATIONAL WEATHER SERVICE SAN FRANCISCO CA  
541 PM PDT WED SEP 17 2025  
   
..RECORD HIGH TEMPERATURES WEDNESDAY, SEPTEMBER 17, 2025
 
 
LOCATION TEMPERATURE PREVIOUS RECORD  
-----------------------------------------------------------------  
LIVERMORE AIRPORT 99 (TIED) 99 IN 1991  
CONCORD AIRPORT 97 (TIED) 97 IN 2000  
 
ALL DATA SHOULD BE CONSIDERED PRELIMINARY. OFFICIAL AND CERTIFIED  
CLIMATE DATA ARE AVAILABLE FROM THE NATIONAL CENTERS FOR  
ENVIRONMENTAL INFORMATION: WWW.NCEI.NOAA.GOV.  
 

 
 
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