998  
CDUS46 KMTR 020035  
CLISFO  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA  
435 PM PST FRI DEC 01 2023  
   
...............................
 
 
   
..THE SAN FRANCISCO AIRPORT CLIMATE SUMMARY FOR DECEMBER 1 2023
 
 
VALID TODAY AS OF 0400 PM LOCAL TIME.  
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1927 TO 2023  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
TODAY  
MAXIMUM 62 2:39 PM 70 1959 60 2 54  
2021  
MINIMUM 49 5:28 AM 38 1967 46 3 44  
1971  
1976  
AVERAGE 56 53 3 49  
 
PRECIPITATION (IN)  
TODAY 0.00 1.68 1951 0.12 -0.12 0.71  
MONTH TO DATE 0.00 0.12 -0.12 0.71  
SINCE OCT 1 1.42 2.95 -1.53 2.30  
SINCE JAN 1 21.62 15.62 6.00 4.47  
 
SNOWFALL (IN)  
TODAY MM 0.0  
MONTH TO DATE MM  
SINCE DEC 1 MM  
SINCE JUL 1 T  
SNOW DEPTH MM  
 
DEGREE DAYS  
HEATING  
TODAY 9 12 -3 16  
MONTH TO DATE 9 12 -3 16  
SINCE DEC 1 9 12 -3 16  
SINCE JUL 1 232 520 -288 541  
 
COOLING  
TODAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE DEC 1 0 0 0 0  
SINCE JAN 1 280 201 79 280    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 9 RESULTANT WIND DIRECTION W (290)  
HIGHEST WIND SPEED 21 HIGHEST WIND DIRECTION W (290)  
HIGHEST GUST SPEED 25 HIGHEST GUST DIRECTION NW (300)  
AVERAGE WIND SPEED 10.1  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.5  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 74 4:00 AM  
LOWEST 51 12:00 PM  
AVERAGE 63  
   
......................................................
 
 
THE SAN FRANCISCO AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 60 75 1958  
MINIMUM TEMPERATURE (F) 46 37 1967  
 
SUNRISE AND SUNSET  
DECEMBER 1 2023......SUNRISE 7:06 AM PST SUNSET 4:51 PM PST  
DECEMBER 2 2023......SUNRISE 7:07 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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