560  
CDUS46 KMTR 220028  
CLIOAK  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA  
528 PM PDT FRI JUL 21 2023  
   
...............................
 
 
   
..THE OAKLAND AIRPORT CLIMATE SUMMARY FOR JULY 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 74 2:22 PM 84 2006 71 3 67  
MINIMUM 55 5:32 AM 52 1955 57 -2 54  
2011  
AVERAGE 65 64 1 61  
 
PRECIPITATION (IN)  
TODAY 0.00 0.06 1979 0.00 0.00 0.00  
MONTH TO DATE T 0.00 0.00 T  
SINCE OCT 1 30.75 18.54 12.21 17.14  
SINCE JAN 1 17.79 11.80 5.99 2.12  
 
SNOWFALL (IN)  
TODAY MM 0.0 1985  
MONTH TO DATE MM  
SINCE JUN 1 MM  
SINCE JUL 1 MM  
 
DEGREE DAYS  
HEATING  
TODAY 0 2 -2 4  
MONTH TO DATE 46 42 4 39  
SINCE JUN 1 160 134 26 100  
SINCE JUL 1 46 42 4 39  
 
COOLING  
TODAY 0 1 -1 0  
MONTH TO DATE 18 21 -3 13  
SINCE JUN 1 18 45 -27 54  
SINCE JAN 1 21 62 -41 65    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 7 RESULTANT WIND DIRECTION NW (300)  
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION NW (300)  
HIGHEST GUST SPEED 21 HIGHEST GUST DIRECTION NW (300)  
AVERAGE WIND SPEED 7.3  
 
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 93 6:00 AM  
LOWEST 51 3:00 PM  
AVERAGE 72  
   
......................................................
 
 
THE OAKLAND AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 71 98 2006  
MINIMUM TEMPERATURE (F) 57 52 1955  
2008  
 
SUNRISE AND SUNSET  
JULY 21 2023..........SUNRISE 6:04 AM PDT SUNSET 8:27 PM PDT  
JULY 22 2023..........SUNRISE 6:04 AM PDT SUNSET 8:26 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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