264  
CDUS46 KMTR 190831  
CLIOAK  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA  
131 AM PDT TUE AUG 19 2025  
   
...............................  
 
   
..THE OAKLAND AIRPORT CLIMATE SUMMARY FOR AUGUST 18 2025  
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1948 TO 2025  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................  
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 75 3:35 PM 87 1961 73 2 75  
MINIMUM 58 6:00 AM 49 2011 57 1 61  
AVERAGE 67 65 2 68  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.18 1976 0.00 0.00 0.00  
MONTH TO DATE T 0.02 -0.02 T  
SINCE OCT 1 9.28 18.56 -9.28 16.32  
SINCE JAN 1 4.52 11.82 -7.30 12.35  
 
SNOWFALL (IN)  
YESTERDAY MM 0.0 1985  
MONTH TO DATE T  
SINCE JUN 1 T  
SINCE JUL 1 T  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 2 -2 0  
MONTH TO DATE 13 36 -23 12  
SINCE JUN 1 217 187 30 87  
SINCE JUL 1 82 95 -13 22  
 
COOLING  
YESTERDAY 2 1 1 3  
MONTH TO DATE 13 18 -5 28  
SINCE JUN 1 15 67 -52 144  
SINCE JAN 1 22 84 -62 152    
...............................................................  
 
WIND (MPH)  
RESULTANT WIND SPEED 9 RESULTANT WIND DIRECTION W (270)  
HIGHEST WIND SPEED 22 HIGHEST WIND DIRECTION W (280)  
HIGHEST GUST SPEED 34 HIGHEST GUST DIRECTION NW (310)  
AVERAGE WIND SPEED 9.7  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.3  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 93 3:00 AM  
LOWEST 48 3:00 PM  
AVERAGE 71  
   
......................................................  
 
THE OAKLAND AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 73 90 1950  
MINIMUM TEMPERATURE (F) 57 51 2001  
 
SUNRISE AND SUNSET  
AUGUST 19 2025........SUNRISE 6:28 AM PDT SUNSET 7:56 PM PDT  
AUGUST 20 2025........SUNRISE 6:29 AM PDT SUNSET 7:54 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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