999  
CDUS46 KMTR 160032  
CLISFD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA  
432 PM PST FRI DEC 15 2023  
   
...............................
 
 
   
..THE SAN FRANCISCO DWTN CA CLIMATE SUMMARY FOR DECEMBER 15 2023
 
 
VALID TODAY AS OF 0400 PM LOCAL TIME.  
 
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)  
TODAY  
MAXIMUM 62 2:43 PM 71 1980 58 4 59  
MINIMUM 49 6:43 AM 36 1972 47 2 45  
AVERAGE 56 52 4 52  
 
PRECIPITATION (IN)  
TODAY 0.00 1.31 2016 0.16 -0.16 0.00  
MONTH TO DATE 0.39 2.24 -1.85 2.75  
SINCE OCT 1 2.42 5.78 -3.36 4.11  
SINCE JAN 1 23.33 20.37 2.96 7.00  
 
DEGREE DAYS  
HEATING  
TODAY 9 13 -4 13  
MONTH TO DATE 147 178 -31 213  
SINCE DEC 1 147 178 -31 213  
SINCE JUL 1 656 906 -250 944  
 
COOLING  
TODAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE DEC 1 0 0 0 0  
SINCE JAN 1 103 121 -18 110    
...............................................................
 
 
THE SAN FRANCISCO DWTN CA CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 58 71 1998  
MINIMUM TEMPERATURE (F) 47 37 1963  
 
SUNRISE AND SUNSET  
DECEMBER 15 2023......SUNRISE 7:18 AM PST SUNSET 4:52 PM PST  
DECEMBER 16 2023......SUNRISE 7:18 AM PST SUNSET 4:52 PM PST  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 

 
 
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