691  
CDUS46 KMTR 250831  
CLISFO  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA  
131 AM PDT THU JUL 25 2024  
   
...............................
 
 
   
..THE SAN FRANCISCO AIRPORT CLIMATE SUMMARY FOR JULY 24 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 80 2:59 PM 90 1974 73 7 70  
MINIMUM 59 5:19 AM 50 1955 56 3 56  
1962  
2009  
AVERAGE 70 64 6 63  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 T 1991 0.00 0.00 0.00  
1994  
2003  
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 0 2 -2 2  
MONTH TO DATE 27 48 -21 35  
SINCE JUN 1 140 145 -5 113  
SINCE JUL 1 27 48 -21 35  
 
COOLING  
YESTERDAY 5 1 4 0  
MONTH TO DATE 41 24 17 20  
SINCE JUN 1 47 47 0 21  
SINCE JAN 1 58 67 -9 26    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 12 RESULTANT WIND DIRECTION NW (310)  
HIGHEST WIND SPEED 25 HIGHEST WIND DIRECTION W (290)  
HIGHEST GUST SPEED 32 HIGHEST GUST DIRECTION NW (300)  
AVERAGE WIND SPEED 12.3  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.2  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
FOG  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 87 11:00 PM  
LOWEST 47 1:00 PM  
AVERAGE 67  
   
......................................................
 
 
THE SAN FRANCISCO AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 73 91 1973  
MINIMUM TEMPERATURE (F) 56 49 1945  
1953  
 
SUNRISE AND SUNSET  
JULY 25 2024..........SUNRISE 6:08 AM PDT SUNSET 8:23 PM PDT  
JULY 26 2024..........SUNRISE 6:09 AM PDT SUNSET 8:23 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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