744  
CDUS46 KMTR 210050  
CLISFO  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA  
450 PM PST SAT JAN 20 2024  
   
...............................
 
 
   
..THE SAN FRANCISCO AIRPORT CLIMATE SUMMARY FOR JANUARY 20 2024
 
 
VALID TODAY AS OF 0400 PM LOCAL TIME.  
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1927 TO 2024  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
TODAY  
MAXIMUM 59 1:58 PM 67 1976 58 1 55  
2021  
MINIMUM 54 4:33 AM 30 1963 45 9 46  
AVERAGE 57 51 6 51  
 
PRECIPITATION (IN)  
TODAY 0.14 2.49 1964 0.12 0.02 0.00  
MONTH TO DATE 2.39 2.57 -0.18 9.29  
SINCE OCT 1 7.72 9.54 -1.82 20.54  
SINCE JAN 1 2.39 2.57 -0.18 9.29  
 
SNOWFALL (IN)  
TODAY MM 0.0  
MONTH TO DATE T  
SINCE DEC 1 T  
SINCE JUL 1 T  
SNOW DEPTH MM  
 
DEGREE DAYS  
HEATING  
TODAY 8 14 -6 14  
MONTH TO DATE 243 280 -37 201  
SINCE DEC 1 516 702 -186 647  
SINCE JUL 1 739 1210 -471 1172  
 
COOLING  
TODAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE DEC 1 0 0 0 0  
SINCE JAN 1 0 0 0 0    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 9 RESULTANT WIND DIRECTION S (160)  
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION SW (210)  
HIGHEST GUST SPEED 29 HIGHEST GUST DIRECTION S (200)  
AVERAGE WIND SPEED 10.5  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.9  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
RAIN  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 93 4:00 AM  
LOWEST 77 2:00 PM  
AVERAGE 85  
   
......................................................
 
 
THE SAN FRANCISCO AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 58 68 2014  
MINIMUM TEMPERATURE (F) 45 30 1962  
 
SUNRISE AND SUNSET  
JANUARY 20 2024.......SUNRISE 7:21 AM PST SUNSET 5:20 PM PST  
JANUARY 21 2024.......SUNRISE 7:21 AM PST SUNSET 5:21 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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