449  
CDUS46 KMTR 190037  
CLISFO  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA  
437 PM PST SAT JAN 18 2025  
   
...............................  
 
   
..THE SAN FRANCISCO AIRPORT CLIMATE SUMMARY FOR JANUARY 18 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 55 3:59 PM 74 2021 58 -3 60  
MINIMUM 47 6:06 AM 30 1947 45 2 47  
AVERAGE 51 51 0 54  
 
PRECIPITATION (IN)  
TODAY 0.00 1.82 1969 0.12 -0.12 0.00  
MONTH TO DATE 0.12 2.33 -2.21 2.01  
SINCE OCT 1 8.68 9.30 -0.62 7.34  
SINCE JAN 1 0.12 2.33 -2.21 2.01  
 
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 14 14 0 11  
MONTH TO DATE 202 252 -50 224  
SINCE DEC 1 512 674 -162 497  
SINCE JUL 1 1053 1182 -129 720  
 
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 2 RESULTANT WIND DIRECTION E (70)  
HIGHEST WIND SPEED 8 HIGHEST WIND DIRECTION E (80)  
HIGHEST GUST SPEED 11 HIGHEST GUST DIRECTION SE (140)  
AVERAGE WIND SPEED 4.2  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.5  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
FOG  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 93 8:00 AM  
LOWEST 80 1:00 PM  
AVERAGE 87  
   
......................................................  
 
THE SAN FRANCISCO AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 58 68 1976  
MINIMUM TEMPERATURE (F) 45 35 1961  
1977  
1980  
 
SUNRISE AND SUNSET  
JANUARY 18 2025.......SUNRISE 7:22 AM PST SUNSET 5:19 PM PST  
JANUARY 19 2025.......SUNRISE 7:22 AM PST SUNSET 5:20 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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