374  
CDUS46 KMTR 190843  
CLISFD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA  
143 AM PDT SAT AUG 19 2023  
   
...............................
 
 
   
..THE SAN FRANCISCO DWTN CA CLIMATE SUMMARY FOR AUGUST 18 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 73 2:43 PM 88 1934 68 5 65  
MINIMUM 61 1:43 AM 48 1898 56 5 53  
AVERAGE 67 62 5 59  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.34 1976 0.00 0.00 0.00  
MONTH TO DATE 0.00 0.03 -0.03 0.00  
SINCE OCT 1 33.76 22.76 11.00 18.78  
SINCE JAN 1 20.80 14.46 6.34 2.55  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 4 -4 6  
MONTH TO DATE 46 72 -26 21  
SINCE JUN 1 384 393 -9 328  
SINCE JUL 1 191 224 -33 185  
 
COOLING  
YESTERDAY 2 0 2 0  
MONTH TO DATE 5 0 5 1  
SINCE JUN 1 6 19 -13 26  
SINCE JAN 1 6 34 -28 35    
...............................................................
 
 
THE SAN FRANCISCO DWTN CA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 68 91 1995  
MINIMUM TEMPERATURE (F) 56 48 1955  
 
SUNRISE AND SUNSET  
AUGUST 19 2023........SUNRISE 6:29 AM PDT SUNSET 7:57 PM PDT  
AUGUST 20 2023........SUNRISE 6:30 AM PDT SUNSET 7:56 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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