222  
CDUS46 KMTR 080829  
CLISFD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA  
129 AM PDT FRI SEP 08 2023  
   
...............................
 
 
   
..THE SAN FRANCISCO DWTN CA CLIMATE SUMMARY FOR SEPTEMBER 7 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 66 4:43 PM 100 1904 70 -4 81  
MINIMUM 56 9:43 PM 50 1901 56 0 62  
AVERAGE 61 63 -2 72  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.03 1851 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 4 3 1 0  
MONTH TO DATE 16 23 -7 9  
SINCE SEP 1 16 23 -7 9  
SINCE JUL 1 220 293 -73 224  
 
COOLING  
YESTERDAY 0 1 -1 7  
MONTH TO DATE 1 7 -6 40  
SINCE SEP 1 1 7 -6 40  
SINCE JAN 1 40 57 -17 75    
...............................................................
 
 
THE SAN FRANCISCO DWTN CA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 70 101 1904  
MINIMUM TEMPERATURE (F) 56 50 1881  
 
SUNRISE AND SUNSET  
SEPTEMBER 8 2023.....SUNRISE 6:46 AM PDT SUNSET 7:28 PM PDT  
SEPTEMBER 9 2023.....SUNRISE 6:46 AM PDT SUNSET 7:27 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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