790  
CDUS46 KMTR 030038  
CLISFD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA  
538 PM PDT TUE SEP 02 2025  
   
...............................  
 
   
..THE SAN FRANCISCO DWTN CA CLIMATE SUMMARY FOR SEPTEMBER 2 2025  
 
VALID TODAY AS OF 0500 PM LOCAL TIME.  
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1850 TO 2025  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................  
 
TEMPERATURE (F)  
TODAY  
MAXIMUM 73 3:43 PM 102 2017 70 3 69  
MINIMUM 57 6:43 AM 49 1910 56 1 59  
AVERAGE 65 63 2 64  
 
PRECIPITATION (IN)  
TODAY 0.00 0.02 1861 0.00 0.00 0.00  
MONTH TO DATE 0.00 0.00 0.00 0.00  
SINCE OCT 1 19.88 22.79 -2.91 25.76  
SINCE JAN 1 9.68 14.49 -4.81 19.08  
 
DEGREE DAYS  
HEATING  
TODAY 0 4 -4 1  
MONTH TO DATE 1 8 -7 3  
SINCE SEP 1 1 8 -7 3  
SINCE JUL 1 246 278 -32 191  
 
COOLING  
TODAY 0 1 -1 0  
MONTH TO DATE 0 2 -2 0  
SINCE SEP 1 0 2 -2 0  
SINCE JAN 1 19 52 -33 28    
...............................................................  
 
THE SAN FRANCISCO DWTN CA CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 70 92 1961  
MINIMUM TEMPERATURE (F) 56 50 1909  
 
SUNRISE AND SUNSET  
SEPTEMBER 2 2025.....SUNRISE 6:41 AM PDT SUNSET 7:37 PM PDT  
SEPTEMBER 3 2025.....SUNRISE 6:42 AM PDT SUNSET 7:35 PM PDT  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 
 
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