314  
CDUS46 KMTR 240029  
CLISFO  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA  
429 PM PST TUE JAN 23 2024  
   
...............................
 
 
   
..THE SAN FRANCISCO AIRPORT CLIMATE SUMMARY FOR JANUARY 23 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 2:17 PM 71 1948 58 1 63  
MINIMUM 53 8:02 AM 31 1949 45 8 47  
AVERAGE 56 52 4 55  
 
PRECIPITATION (IN)  
TODAY 0.00 1.30 2000 0.12 -0.12 0.00  
MONTH TO DATE 3.40 2.93 0.47 9.29  
SINCE OCT 1 8.73 9.90 -1.17 20.54  
SINCE JAN 1 3.40 2.93 0.47 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 9 13 -4 10  
MONTH TO DATE 266 321 -55 238  
SINCE DEC 1 539 743 -204 684  
SINCE JUL 1 762 1251 -489 1209  
 
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 NW (300)  
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION W (260)  
HIGHEST GUST SPEED 21 HIGHEST GUST DIRECTION W (270)  
AVERAGE WIND SPEED 9.2  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.7  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 90 3:00 AM  
LOWEST 78 12:00 PM  
AVERAGE 84  
   
......................................................
 
 
THE SAN FRANCISCO AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 58 72 1948  
MINIMUM TEMPERATURE (F) 45 31 1962  
 
SUNRISE AND SUNSET  
JANUARY 23 2024.......SUNRISE 7:20 AM PST SUNSET 5:23 PM PST  
JANUARY 24 2024.......SUNRISE 7:19 AM PST SUNSET 5:24 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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