470  
CDUS46 KMTR 200825  
CLIOAK  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA  
125 AM PDT SAT MAY 20 2023  
   
...............................
 
 
   
..THE OAKLAND AIRPORT CLIMATE SUMMARY FOR MAY 19 2023
 
 
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)  
YESTERDAY  
MAXIMUM 63 2:55 PM 88 1952 68 -5 69  
MINIMUM 54 11:59 PM 44 1950 52 2 54  
AVERAGE 59 60 -1 62  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.48 2002 0.02 -0.02 0.00  
MONTH TO DATE 0.98 0.43 0.55 0.00  
SINCE OCT 1 30.75 18.16 12.59 16.87  
SINCE JAN 1 17.79 11.42 6.37 1.85  
 
SNOWFALL (IN)  
YESTERDAY MM 0.0 1985  
MONTH TO DATE MM  
SINCE MAR 1 MM  
SINCE JUL 1 MM  
 
DEGREE DAYS  
HEATING  
YESTERDAY 6 5 1 3  
MONTH TO DATE 127 113 14 127  
SINCE MAR 1 835 656 179 691  
SINCE JUL 1 2813 2542 271 2366  
 
COOLING  
YESTERDAY 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 10 RESULTANT WIND DIRECTION W (280)  
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION W (260)  
HIGHEST GUST SPEED 33 HIGHEST GUST DIRECTION NW (300)  
AVERAGE WIND SPEED 10.9  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.9  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 90 3:00 AM  
LOWEST 69 3:00 PM  
AVERAGE 80  
   
......................................................
 
 
THE OAKLAND AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 68 85 2017  
MINIMUM TEMPERATURE (F) 52 46 1953  
 
SUNRISE AND SUNSET  
MAY 20 2023...........SUNRISE 5:55 AM PDT SUNSET 8:16 PM PDT  
MAY 21 2023...........SUNRISE 5:55 AM PDT SUNSET 8:17 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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