006  
CDUS46 KMTR 090834  
CLISFO  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA  
1234 AM PST THU JAN 09 2025  
   
...............................
 
 
   
..THE SAN FRANCISCO AIRPORT CLIMATE SUMMARY FOR JANUARY 8 2025
 
 
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)  
YESTERDAY  
MAXIMUM 65 3:52 PM 70 1962 58 7 55  
MINIMUM 50 11:53 PM 30 1955 44 6 40  
AVERAGE 58 51 7 48  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 3.12 2018 0.13 -0.13 0.00  
MONTH TO DATE 0.12 1.02 -0.90 0.58  
SINCE OCT 1 8.68 7.99 0.69 5.91  
SINCE JAN 1 0.12 1.02 -0.90 0.58  
 
SNOWFALL (IN)  
YESTERDAY MM 0.0  
MONTH TO DATE T  
SINCE DEC 1 T  
SINCE JUL 1 T  
 
DEGREE DAYS  
HEATING  
YESTERDAY 7 14 -7 17  
MONTH TO DATE 88 112 -24 99  
SINCE DEC 1 398 534 -136 372  
SINCE JUL 1 939 1042 -103 595  
 
COOLING  
YESTERDAY 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 5 RESULTANT WIND DIRECTION E (80)  
HIGHEST WIND SPEED 24 HIGHEST WIND DIRECTION NE (50)  
HIGHEST GUST SPEED 37 HIGHEST GUST DIRECTION E (70)  
AVERAGE WIND SPEED 8.4  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.2  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 83 8:00 PM  
LOWEST 22 2:00 AM  
AVERAGE 53  
   
......................................................
 
 
THE SAN FRANCISCO AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 58 71 1962  
MINIMUM TEMPERATURE (F) 44 33 1957  
 
SUNRISE AND SUNSET  
JANUARY 9 2025.......SUNRISE 7:25 AM PST SUNSET 5:09 PM PST  
JANUARY 10 2025.......SUNRISE 7:24 AM PST SUNSET 5:10 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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