343  
CDUS46 KMTR 170827  
CLISFD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA  
127 AM PDT TUE SEP 17 2024  
   
...............................
 
 
   
..THE SAN FRANCISCO DWTN CA CLIMATE SUMMARY FOR SEPTEMBER 16 2024
 
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1850 TO 2024  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 67 2:43 PM 101 1913 70 -3 67  
MINIMUM 54 5:43 AM 50 1898 56 -2 60  
AVERAGE 61 63 -2 64  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.50 1989 0.00 0.00 0.00  
MONTH TO DATE 0.00 0.03 -0.03 0.02  
SINCE OCT 1 25.76 22.82 2.94 33.78  
SINCE JAN 1 19.08 14.52 4.56 20.82  
 
DEGREE DAYS  
HEATING  
YESTERDAY 4 3 1 1  
MONTH TO DATE 53 50 3 35  
SINCE SEP 1 53 50 3 35  
SINCE JUL 1 241 320 -79 239  
 
COOLING  
YESTERDAY 0 1 -1 0  
MONTH TO DATE 6 16 -10 1  
SINCE SEP 1 6 16 -10 1  
SINCE JAN 1 34 66 -32 40    
...............................................................
 
 
THE SAN FRANCISCO DWTN CA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 70 93 1984  
MINIMUM TEMPERATURE (F) 56 50 1898  
 
SUNRISE AND SUNSET  
SEPTEMBER 17 2024.....SUNRISE 6:54 AM PDT SUNSET 7:13 PM PDT  
SEPTEMBER 18 2024.....SUNRISE 6:55 AM PDT SUNSET 7:12 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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