840  
CDUS46 KMTR 090028  
CLISFD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA  
428 PM PST FRI DEC 08 2023  
   
...............................
 
 
   
..THE SAN FRANCISCO DWTN CA CLIMATE SUMMARY FOR DECEMBER 8 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 57 3:43 PM 73 1988 59 -2 55  
MINIMUM 47 4:43 AM 34 1972 48 -1 46  
AVERAGE 52 53 -1 51  
 
PRECIPITATION (IN)  
TODAY 0.00 1.65 1861 0.15 -0.15 0.04  
MONTH TO DATE 0.39 1.14 -0.75 1.40  
SINCE OCT 1 2.42 4.68 -2.26 2.76  
SINCE JAN 1 23.33 19.27 4.06 5.65  
 
DEGREE DAYS  
HEATING  
TODAY 13 12 1 14  
MONTH TO DATE 71 92 -21 111  
SINCE DEC 1 71 92 -21 111  
SINCE JUL 1 580 820 -240 842  
 
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 1940  
MINIMUM TEMPERATURE (F) 48 30 1972  
 
SUNRISE AND SUNSET  
DECEMBER 8 2023......SUNRISE 7:12 AM PST SUNSET 4:51 PM PST  
DECEMBER 9 2023......SUNRISE 7:13 AM PST SUNSET 4:51 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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