034  
CDUS46 KMTR 010027  
CLIOAK  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA  
527 PM PDT SAT MAY 31 2025  
   
...............................
 
 
   
..THE OAKLAND AIRPORT CLIMATE SUMMARY FOR MAY 31 2025
 
 
VALID TODAY AS OF 0500 PM LOCAL TIME.  
 
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)  
TODAY  
MAXIMUM 77 2:55 PM 90 2001 70 7 73  
MINIMUM 55 5:23 AM 47 1971 53 2 54  
AVERAGE 66 61 5 64  
 
PRECIPITATION (IN)  
TODAY 0.00 T 2009 0.01 -0.01 0.00  
2014  
2023  
MONTH TO DATE 0.19 0.63 -0.44 0.73  
SINCE OCT 1 9.28 18.36 -9.08 16.32  
SINCE JAN 1 4.52 11.62 -7.10 12.35  
 
SNOWFALL (IN)  
TODAY MM 0.0 1985  
MONTH TO DATE T  
SINCE MAR 1 T  
SINCE JUL 1 T  
 
DEGREE DAYS  
HEATING  
TODAY 0 4 -4 1  
MONTH TO DATE 146 168 -22 169  
SINCE MAR 1 700 711 -11 702  
SINCE JUL 1 2101 2597 -496 2210  
 
COOLING  
TODAY 1 0 1 0  
MONTH TO DATE 6 12 -6 8  
SINCE MAR 1 7 17 -10 8  
SINCE JAN 1 7 17 -10 8    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 9 RESULTANT WIND DIRECTION W (290)  
HIGHEST WIND SPEED 20 HIGHEST WIND DIRECTION W (290)  
HIGHEST GUST SPEED 31 HIGHEST GUST DIRECTION NW (300)  
AVERAGE WIND SPEED 9.1  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.1  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 90 4:00 AM  
LOWEST 46 3:00 PM  
AVERAGE 68  
   
......................................................
 
 
THE OAKLAND AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 70 90 1960  
MINIMUM TEMPERATURE (F) 53 47 1955  
 
SUNRISE AND SUNSET  
MAY 31 2025...........SUNRISE 5:49 AM PDT SUNSET 8:25 PM PDT  
JUNE 1 2025..........SUNRISE 5:49 AM PDT SUNSET 8:25 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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