535  
CDUS46 KMTR 130039  
CLISFO  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA  
539 PM PDT MON AUG 12 2024  
   
...............................  
 
   
..THE SAN FRANCISCO AIRPORT CLIMATE SUMMARY FOR AUGUST 12 2024  
 
VALID TODAY AS OF 0500 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 66 2:31 PM 89 1958 73 -7 75  
1959  
MINIMUM 53 4:22 AM 47 1946 56 -3 59  
AVERAGE 60 65 -5 67  
 
PRECIPITATION (IN)  
TODAY 0.00 T 1986 0.00 0.00 0.00  
1988  
1991  
MONTH TO DATE T 0.01 -0.01 0.00  
SINCE OCT 1 20.13 19.54 0.59 31.39  
SINCE JAN 1 14.80 12.57 2.23 20.14  
 
SNOWFALL (IN)  
TODAY MM 0.0  
MONTH TO DATE T  
SINCE JUN 1 T  
SINCE JUL 1 T  
SNOW DEPTH MM  
 
DEGREE DAYS  
HEATING  
TODAY 5 1 4 0  
MONTH TO DATE 51 22 29 4  
SINCE JUN 1 214 177 37 123  
SINCE JUL 1 101 80 21 45  
 
COOLING  
TODAY 0 1 -1 2  
MONTH TO DATE 0 12 -12 23  
SINCE JUN 1 49 61 -12 46  
SINCE JAN 1 60 81 -21 51    
...............................................................  
 
WIND (MPH)  
RESULTANT WIND SPEED 13 RESULTANT WIND DIRECTION W (280)  
HIGHEST WIND SPEED 24 HIGHEST WIND DIRECTION W (270)  
HIGHEST GUST SPEED 30 HIGHEST GUST DIRECTION W (280)  
AVERAGE WIND SPEED 12.9  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.6  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 96 12:00 AM  
LOWEST 65 3:00 PM  
AVERAGE 81  
   
......................................................  
 
THE SAN FRANCISCO AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 73 89 1991  
MINIMUM TEMPERATURE (F) 57 47 1946  
 
SUNRISE AND SUNSET  
AUGUST 12 2024........SUNRISE 6:23 AM PDT SUNSET 8:05 PM PDT  
AUGUST 13 2024........SUNRISE 6:24 AM PDT SUNSET 8:04 PM PDT  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 
 
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