164  
CDUS46 KMTR 160829  
CLISFD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA  
1229 AM PST MON DEC 16 2024  
   
...............................  
 
   
..THE SAN FRANCISCO DWTN CA CLIMATE SUMMARY FOR DECEMBER 15 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 53 12:43 PM 71 1980 58 -5 62  
MINIMUM 46 4:43 AM 36 1972 47 -1 49  
AVERAGE 50 52 -2 56  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.31 2016 0.16 -0.16 0.00  
MONTH TO DATE 2.58 2.24 0.34 0.39  
SINCE OCT 1 7.25 5.78 1.47 2.42  
SINCE JAN 1 26.33 20.37 5.96 23.33  
 
DEGREE DAYS  
HEATING  
YESTERDAY 15 13 2 9  
MONTH TO DATE 137 178 -41 147  
SINCE DEC 1 137 178 -41 147  
SINCE JUL 1 771 906 -135 656  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE DEC 1 0 0 0 0  
SINCE JAN 1 144 121 23 103    
...............................................................  
 
THE SAN FRANCISCO DWTN CA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 58 71 1998  
MINIMUM TEMPERATURE (F) 47 37 1963  
 
SUNRISE AND SUNSET  
DECEMBER 16 2024......SUNRISE 7:19 AM PST SUNSET 4:52 PM PST  
DECEMBER 17 2024......SUNRISE 7:20 AM PST SUNSET 4:53 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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