266  
CDUS46 KMTR 300844  
CLISFD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA  
144 AM PDT TUE SEP 30 2025  
   
...............................
 
 
   
..THE SAN FRANCISCO DWTN CA CLIMATE SUMMARY FOR SEPTEMBER 29 2025
 
 
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)  
YESTERDAY  
MAXIMUM 72 1:43 PM 93 1988 71 1 65  
MINIMUM 62 4:43 AM 49 1906 55 7 55  
AVERAGE 67 63 4 60  
 
PRECIPITATION (IN)  
YESTERDAY 0.02 0.68 1894 0.01 0.01 0.00  
MONTH TO DATE 0.10 0.09 0.01 0.00  
SINCE OCT 1 19.98 22.88 -2.90 25.76  
SINCE JAN 1 9.78 14.58 -4.80 19.08  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 3 -3 5  
MONTH TO DATE 28 89 -61 100  
SINCE SEP 1 28 89 -61 100  
SINCE JUL 1 273 359 -86 288  
 
COOLING  
YESTERDAY 2 1 1 0  
MONTH TO DATE 32 29 3 20  
SINCE SEP 1 32 29 3 20  
SINCE JAN 1 51 79 -28 48    
...............................................................
 
 
THE SAN FRANCISCO DWTN CA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 71 96 2001  
MINIMUM TEMPERATURE (F) 55 47 1900  
 
SUNRISE AND SUNSET  
SEPTEMBER 30 2025.....SUNRISE 7:05 AM PDT SUNSET 6:54 PM PDT  
OCTOBER 1 2025.......SUNRISE 7:06 AM PDT SUNSET 6:52 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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