158  
CDUS46 KMTR 160826  
CLIOAK  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA  
126 AM PDT TUE SEP 16 2025  
   
...............................  
 
   
..THE OAKLAND AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 15 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 86 2:40 PM 91 1971 74 12 68  
MINIMUM 58 3:12 AM 47 1955 56 2 59  
AVERAGE 72 65 7 64  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 T 2019 0.00 0.00 0.00  
MONTH TO DATE 0.02 0.02 0.00 0.00  
SINCE OCT 1 9.30 18.60 -9.30 16.36  
SINCE JAN 1 4.54 11.86 -7.32 12.39  
 
SNOWFALL (IN)  
YESTERDAY MM 0.0 1985  
MONTH TO DATE T  
SINCE SEP 1 T  
SINCE JUL 1 T  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 2 -2 1  
MONTH TO DATE 1 30 -29 4  
SINCE SEP 1 1 30 -29 4  
SINCE JUL 1 88 139 -51 26  
 
COOLING  
YESTERDAY 7 2 5 0  
MONTH TO DATE 35 30 5 35  
SINCE SEP 1 35 30 5 35  
SINCE JAN 1 83 135 -52 237    
...............................................................  
 
WIND (MPH)  
RESULTANT WIND SPEED 3 RESULTANT WIND DIRECTION W (290)  
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION W (290)  
HIGHEST GUST SPEED 18 HIGHEST GUST DIRECTION NW (310)  
AVERAGE WIND SPEED 4.5  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.2  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 93 4:00 AM  
LOWEST 43 2:00 PM  
AVERAGE 68  
   
......................................................  
 
THE OAKLAND AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 74 94 1968  
MINIMUM TEMPERATURE (F) 56 47 2006  
 
SUNRISE AND SUNSET  
SEPTEMBER 16 2025.....SUNRISE 6:52 AM PDT SUNSET 7:14 PM PDT  
SEPTEMBER 17 2025.....SUNRISE 6:53 AM PDT SUNSET 7:13 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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