395  
CDUS46 KMTR 270845  
CLISFO  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA  
145 AM PDT SAT JUL 27 2024  
   
...............................
 
 
   
..THE SAN FRANCISCO AIRPORT CLIMATE SUMMARY FOR JULY 26 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 66 1:52 PM 94 1963 73 -7 70  
MINIMUM 54 7:56 PM 49 1951 56 -2 58  
AVERAGE 60 64 -4 64  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 T 1971 0.00 0.00 0.00  
1978  
1979  
MONTH TO DATE 0.00 0.00 0.00 T  
SINCE OCT 1 20.13 19.53 0.60 31.39  
SINCE JAN 1 14.80 12.56 2.24 20.14  
 
SNOWFALL (IN)  
YESTERDAY MM 0.0  
MONTH TO DATE T  
SINCE JUN 1 T  
SINCE JUL 1 T  
 
DEGREE DAYS  
HEATING  
YESTERDAY 5 2 3 1  
MONTH TO DATE 32 52 -20 36  
SINCE JUN 1 145 149 -4 114  
SINCE JUL 1 32 52 -20 36  
 
COOLING  
YESTERDAY 0 1 -1 0  
MONTH TO DATE 43 26 17 22  
SINCE JUN 1 49 49 0 23  
SINCE JAN 1 60 69 -9 28    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 14 RESULTANT WIND DIRECTION W (280)  
HIGHEST WIND SPEED 31 HIGHEST WIND DIRECTION NW (300)  
HIGHEST GUST SPEED 38 HIGHEST GUST DIRECTION W (290)  
AVERAGE WIND SPEED 15.7  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.4  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
FOG  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 93 2:00 AM  
LOWEST 65 2:00 PM  
AVERAGE 79  
   
......................................................
 
 
THE SAN FRANCISCO AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 73 86 1967  
MINIMUM TEMPERATURE (F) 56 48 1951  
 
SUNRISE AND SUNSET  
JULY 27 2024..........SUNRISE 6:10 AM PDT SUNSET 8:22 PM PDT  
JULY 28 2024..........SUNRISE 6:11 AM PDT SUNSET 8:21 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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