841  
CDUS46 KMTR 280038  
CLISFO  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA  
438 PM PST MON JAN 27 2025  
   
...............................  
 
   
..THE SAN FRANCISCO AIRPORT CLIMATE SUMMARY FOR JANUARY 27 2025  
 
VALID TODAY AS OF 0400 PM LOCAL TIME.  
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1927 TO 2025  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................  
 
TEMPERATURE (F)  
TODAY  
MAXIMUM 60 3:34 PM 68 1984 59 1 60  
2015  
2019  
MINIMUM 39 6:45 AM 31 1949 45 -6 51  
AVERAGE 50 52 -2 56  
 
PRECIPITATION (IN)  
TODAY 0.00 1.65 1981 0.12 -0.12 0.00  
MONTH TO DATE 0.13 3.40 -3.27 3.90  
SINCE OCT 1 8.69 10.37 -1.68 9.23  
SINCE JAN 1 0.13 3.40 -3.27 3.90  
 
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 15 13 2 9  
MONTH TO DATE 323 373 -50 303  
SINCE DEC 1 633 795 -162 576  
SINCE JUL 1 1174 1303 -129 799  
 
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 0 RESULTANT WIND DIRECTION SE (150)  
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION W (280)  
HIGHEST GUST SPEED 22 HIGHEST GUST DIRECTION W (280)  
AVERAGE WIND SPEED 2.5  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 79 2:00 AM  
LOWEST 41 3:00 PM  
AVERAGE 60  
   
......................................................  
 
THE SAN FRANCISCO AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 59 69 1984  
MINIMUM TEMPERATURE (F) 45 33 1948  
1975  
 
SUNRISE AND SUNSET  
JANUARY 27 2025.......SUNRISE 7:17 AM PST SUNSET 5:28 PM PST  
JANUARY 28 2025.......SUNRISE 7:16 AM PST SUNSET 5:30 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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