277  
CDUS46 KMTR 150829  
CLISFD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA  
1229 AM PST SUN DEC 15 2024  
   
...............................  
 
   
..THE SAN FRANCISCO DWTN CA CLIMATE SUMMARY FOR DECEMBER 14 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 56 7:43 AM 69 1988 58 -2 59  
MINIMUM 49 9:43 PM 35 1972 47 2 47  
AVERAGE 53 52 1 53  
 
PRECIPITATION (IN)  
YESTERDAY 1.42 1.81 1880 0.16 1.26 0.00  
MONTH TO DATE 2.58 2.08 0.50 0.39  
SINCE OCT 1 7.25 5.62 1.63 2.42  
SINCE JAN 1 26.33 20.21 6.12 23.33  
 
DEGREE DAYS  
HEATING  
YESTERDAY 12 13 -1 12  
MONTH TO DATE 122 165 -43 138  
SINCE DEC 1 122 165 -43 138  
SINCE JUL 1 756 893 -137 647  
 
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 1980  
MINIMUM TEMPERATURE (F) 47 36 1972  
 
SUNRISE AND SUNSET  
DECEMBER 15 2024......SUNRISE 7:18 AM PST SUNSET 4:52 PM PST  
DECEMBER 16 2024......SUNRISE 7:19 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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