901  
CDUS46 KMTR 190046  
CLISFO  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA  
546 PM PDT SUN AUG 18 2024  
   
...............................  
 
   
..THE SAN FRANCISCO AIRPORT CLIMATE SUMMARY FOR AUGUST 18 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 69 1:43 PM 85 1978 74 -5 80  
MINIMUM 58 6:19 AM 48 1957 57 1 63  
AVERAGE 64 65 -1 72  
 
PRECIPITATION (IN)  
TODAY 0.00 0.35 1976 0.00 0.00 0.00  
MONTH TO DATE T 0.02 -0.02 0.00  
SINCE OCT 1 20.13 19.55 0.58 31.39  
SINCE JAN 1 14.80 12.58 2.22 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 1 1 0 0  
MONTH TO DATE 66 28 38 4  
SINCE JUN 1 229 183 46 123  
SINCE JUL 1 116 86 30 45  
 
COOLING  
TODAY 0 1 -1 7  
MONTH TO DATE 1 18 -17 47  
SINCE JUN 1 50 67 -17 70  
SINCE JAN 1 61 87 -26 75    
...............................................................  
 
WIND (MPH)  
RESULTANT WIND SPEED 12 RESULTANT WIND DIRECTION W (290)  
HIGHEST WIND SPEED 29 HIGHEST WIND DIRECTION W (280)  
HIGHEST GUST SPEED 37 HIGHEST GUST DIRECTION W (270)  
AVERAGE WIND SPEED 12.1  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.4  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
FOG  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 100 12:00 AM  
LOWEST 63 1:00 PM  
AVERAGE 82  
   
......................................................  
 
THE SAN FRANCISCO AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 74 89 1964  
MINIMUM TEMPERATURE (F) 57 49 1955  
 
SUNRISE AND SUNSET  
AUGUST 18 2024........SUNRISE 6:28 AM PDT SUNSET 7:57 PM PDT  
AUGUST 19 2024........SUNRISE 6:29 AM PDT SUNSET 7:56 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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