771  
CDUS46 KMTR 280828  
CLISFO  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA  
1228 AM PST SUN JAN 28 2024  
   
...............................  
 
   
..THE SAN FRANCISCO AIRPORT CLIMATE SUMMARY FOR JANUARY 27 2024  
 
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)  
YESTERDAY  
MAXIMUM 60 7:16 PM 68 1984 59 1 58  
2015  
2019  
MINIMUM 51 4:42 AM 31 1949 45 6 45  
AVERAGE 56 52 4 52  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.65 1981 0.12 -0.12 0.00  
MONTH TO DATE 3.90 3.40 0.50 9.29  
SINCE OCT 1 9.23 10.37 -1.14 20.54  
SINCE JAN 1 3.90 3.40 0.50 9.29  
 
SNOWFALL (IN)  
YESTERDAY MM 0.0  
MONTH TO DATE T  
SINCE DEC 1 T  
SINCE JUL 1 T  
 
DEGREE DAYS  
HEATING  
YESTERDAY 9 13 -4 13  
MONTH TO DATE 303 373 -70 275  
SINCE DEC 1 576 795 -219 721  
SINCE JUL 1 799 1303 -504 1246  
 
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 2 RESULTANT WIND DIRECTION E (110)  
HIGHEST WIND SPEED 10 HIGHEST WIND DIRECTION NE (30)  
HIGHEST GUST SPEED 13 HIGHEST GUST DIRECTION SE (140)  
AVERAGE WIND SPEED 3.5  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.8  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
FOG  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 89 7:00 AM  
LOWEST 74 11:00 AM  
AVERAGE 82  
   
......................................................  
 
THE SAN FRANCISCO AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 59 69 1984  
MINIMUM TEMPERATURE (F) 45 33 1948  
1975  
 
SUNRISE AND SUNSET  
JANUARY 28 2024.......SUNRISE 7:17 AM PST SUNSET 5:29 PM PST  
JANUARY 29 2024.......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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