224  
CDUS46 KMTR 220040  
CLISFO  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA  
440 PM PST SUN JAN 21 2024  
   
...............................
 
 
   
..THE SAN FRANCISCO AIRPORT CLIMATE SUMMARY FOR JANUARY 21 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 62 3:30 PM 68 2014 58 4 57  
MINIMUM 53 4:55 AM 30 1962 45 8 40  
AVERAGE 58 52 6 49  
 
PRECIPITATION (IN)  
TODAY 0.01 4.07 1967 0.12 -0.11 0.00  
MONTH TO DATE 2.43 2.69 -0.26 9.29  
SINCE OCT 1 7.76 9.66 -1.90 20.54  
SINCE JAN 1 2.43 2.69 -0.26 9.29  
 
SNOWFALL (IN)  
TODAY MM 1.5  
MONTH TO DATE T  
SINCE DEC 1 T  
SINCE JUL 1 T  
SNOW DEPTH MM  
 
DEGREE DAYS  
HEATING  
TODAY 7 14 -7 16  
MONTH TO DATE 250 294 -44 217  
SINCE DEC 1 523 716 -193 663  
SINCE JUL 1 746 1224 -478 1188  
 
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 8 RESULTANT WIND DIRECTION SE (140)  
HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION SE (140)  
HIGHEST GUST SPEED 31 HIGHEST GUST DIRECTION S (200)  
AVERAGE WIND SPEED 8.6  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.9  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 90 1:00 AM  
LOWEST 69 1:00 PM  
AVERAGE 80  
   
......................................................
 
 
THE SAN FRANCISCO AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 58 71 1968  
MINIMUM TEMPERATURE (F) 45 32 1962  
 
SUNRISE AND SUNSET  
JANUARY 21 2024.......SUNRISE 7:21 AM PST SUNSET 5:21 PM PST  
JANUARY 22 2024.......SUNRISE 7:20 AM PST SUNSET 5:22 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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