386  
CDUS46 KMTR 220029  
CLIOAK  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA  
529 PM PDT SUN MAY 21 2023  
   
...............................
 
 
   
..THE OAKLAND AIRPORT CLIMATE SUMMARY FOR MAY 21 2023
 
 
VALID TODAY AS OF 0500 PM LOCAL TIME.  
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1948 TO 2023  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
TODAY  
MAXIMUM 67 3:22 PM 93 2000 68 -1 74  
MINIMUM 53 1:17 AM 46 1962 52 1 48  
AVERAGE 60 60 0 61  
 
PRECIPITATION (IN)  
TODAY 0.00 0.35 2006 0.02 -0.02 0.00  
MONTH TO DATE 0.98 0.47 0.51 0.00  
SINCE OCT 1 30.75 18.20 12.55 16.87  
SINCE JAN 1 17.79 11.46 6.33 1.85  
 
SNOWFALL (IN)  
TODAY MM 0.0 1985  
MONTH TO DATE MM  
SINCE MAR 1 MM  
SINCE JUL 1 MM  
 
DEGREE DAYS  
HEATING  
TODAY 5 5 0 4  
MONTH TO DATE 139 123 16 132  
SINCE MAR 1 847 666 181 696  
SINCE JUL 1 2825 2552 273 2371  
 
COOLING  
TODAY 0 0 0 0  
MONTH TO DATE 2 0 2 0  
SINCE MAR 1 3 5 -2 4  
SINCE JAN 1 3 5 -2 4    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 7 RESULTANT WIND DIRECTION W (270)  
HIGHEST WIND SPEED 22 HIGHEST WIND DIRECTION W (290)  
HIGHEST GUST SPEED 34 HIGHEST GUST DIRECTION NW (310)  
AVERAGE WIND SPEED 8.7  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.9  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 90 1:00 AM  
LOWEST 63 2:00 PM  
AVERAGE 77  
   
......................................................
 
 
THE OAKLAND AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 68 82 2000  
MINIMUM TEMPERATURE (F) 52 44 1960  
 
SUNRISE AND SUNSET  
MAY 21 2023...........SUNRISE 5:55 AM PDT SUNSET 8:17 PM PDT  
MAY 22 2023...........SUNRISE 5:54 AM PDT SUNSET 8:18 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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