368  
CDUS46 KMTR 010034  
CLISFO  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA  
434 PM PST WED JAN 31 2024  
   
...............................
 
 
   
..THE SAN FRANCISCO AIRPORT CLIMATE SUMMARY FOR JANUARY 31 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 61 8:24 AM 74 2015 59 2 61  
MINIMUM 55 3:59 PM 32 1946 45 10 36  
1950  
1951  
AVERAGE 58 52 6 49  
 
PRECIPITATION (IN)  
TODAY 0.32 1.99 1963 0.12 0.20 0.00  
MONTH TO DATE 4.22 3.89 0.33 9.31  
SINCE OCT 1 9.55 10.86 -1.31 20.56  
SINCE JAN 1 4.22 3.89 0.33 9.31  
 
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 7 13 -6 16  
MONTH TO DATE 328 425 -97 337  
SINCE DEC 1 601 847 -246 783  
SINCE JUL 1 824 1355 -531 1308  
 
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 13 RESULTANT WIND DIRECTION SE (150)  
HIGHEST WIND SPEED 29 HIGHEST WIND DIRECTION S (180)  
HIGHEST GUST SPEED 38 HIGHEST GUST DIRECTION S (180)  
AVERAGE WIND SPEED 14.5  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.9  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
RAIN  
LIGHT RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 84 3:00 PM  
LOWEST 62 2:00 AM  
AVERAGE 73  
   
......................................................
 
 
THE SAN FRANCISCO AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 59 73 2018  
MINIMUM TEMPERATURE (F) 45 30 1950  
 
SUNRISE AND SUNSET  
JANUARY 31 2024.......SUNRISE 7:14 AM PST SUNSET 5:32 PM PST  
FEBRUARY 1 2024......SUNRISE 7:13 AM PST SUNSET 5:33 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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