222  
CDUS46 KMTR 200040  
CLIOAK  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA  
540 PM PDT MON APR 19 2021  
   
...............................
 
 
   
..THE OAKLAND AIRPORT CLIMATE SUMMARY FOR APRIL 19 2021
 
 
VALID TODAY AS OF 0500 PM LOCAL TIME.  
 
CLIMATE NORMAL PERIOD: 1981 TO 2010  
CLIMATE RECORD PERIOD: 1948 TO 2021  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
TODAY  
MAXIMUM 62 3:52 PM 85 1950 67 -5 67  
2009  
MINIMUM 50 5:14 AM 42 1961 49 1 56  
2018  
AVERAGE 56 58 -2 62  
 
PRECIPITATION (IN)  
TODAY 0.00 0.23 2017 0.04 -0.04 0.00  
MONTH TO DATE 0.00 0.92 -0.92 0.91  
SINCE OCT 1 7.57 19.25 -11.68 8.22  
SINCE JAN 1 5.79 11.94 -6.15 4.16  
 
SNOWFALL (IN)  
TODAY MM 0.0 1985  
MONTH TO DATE MM  
SINCE MAR 1 MM  
SINCE JUL 1 MM  
 
DEGREE DAYS  
HEATING  
TODAY 9 7 2 3  
MONTH TO DATE 162 157 5 132  
SINCE MAR 1 467 488 -21 407  
SINCE JUL 1 1761 2510 -749 1869  
 
COOLING  
TODAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE MAR 1 2 1 1 1  
SINCE JAN 1 5 1 4 1    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 8 RESULTANT WIND DIRECTION W (270)  
HIGHEST WIND SPEED 20 HIGHEST WIND DIRECTION W (280)  
HIGHEST GUST SPEED 22 HIGHEST GUST DIRECTION W (270)  
AVERAGE WIND SPEED 9.1  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.6  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 86 2:00 AM  
LOWEST 58 4:00 PM  
AVERAGE 72  
   
......................................................
 
 
THE OAKLAND AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 67 91 2009  
MINIMUM TEMPERATURE (F) 49 41 1961  
 
SUNRISE AND SUNSET  
APRIL 19 2021.........SUNRISE 6:28 AM PDT SUNSET 7:49 PM PDT  
APRIL 20 2021.........SUNRISE 6:26 AM PDT SUNSET 7:50 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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