013  
CDUS46 KMTR 110840  
CLISFD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA  
140 AM PDT MON SEP 11 2023  
   
...............................
 
 
   
..THE SAN FRANCISCO DWTN CA CLIMATE SUMMARY FOR SEPTEMBER 10 2023
 
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1850 TO 2023  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 68 3:43 PM 92 1914 70 -2 69  
MINIMUM 55 7:43 AM 50 1887 56 -1 59  
AVERAGE 62 63 -1 64  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.11 1853 0.00 0.00 0.00  
MONTH TO DATE 0.02 0.01 0.01 0.00  
SINCE OCT 1 33.78 22.80 10.98 18.78  
SINCE JAN 1 20.82 14.50 6.32 2.55  
 
DEGREE DAYS  
HEATING  
YESTERDAY 3 3 0 1  
MONTH TO DATE 25 32 -7 11  
SINCE SEP 1 25 32 -7 11  
SINCE JUL 1 229 302 -73 226  
 
COOLING  
YESTERDAY 0 1 -1 0  
MONTH TO DATE 1 10 -9 50  
SINCE SEP 1 1 10 -9 50  
SINCE JAN 1 40 60 -20 85    
...............................................................
 
 
THE SAN FRANCISCO DWTN CA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 70 98 1979  
MINIMUM TEMPERATURE (F) 56 50 1901  
 
SUNRISE AND SUNSET  
SEPTEMBER 11 2023.....SUNRISE 6:48 AM PDT SUNSET 7:24 PM PDT  
SEPTEMBER 12 2023.....SUNRISE 6:49 AM PDT SUNSET 7:22 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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