550  
CDUS46 KMTR 270841  
CLIOAK  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA  
1241 AM PST WED JAN 27 2021  
   
...............................
 
 
   
..THE OAKLAND AIRPORT CLIMATE SUMMARY FOR JANUARY 26 2021
 
 
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)  
YESTERDAY  
MAXIMUM 54 2:05 PM 70 1984 58 -4 63  
MINIMUM 34 4:59 AM 29 1950 42 -8 49  
AVERAGE 44 50 -6 56  
 
PRECIPITATION (IN)  
YESTERDAY 0.39 0.84 1961 0.07 0.32 0.17  
MONTH TO DATE 1.10 3.55 -2.45 1.71  
SINCE OCT 1 2.88 10.86 -7.98 5.77  
SINCE JAN 1 1.10 3.55 -2.45 1.71  
 
SNOWFALL (IN)  
YESTERDAY MM MM  
MONTH TO DATE MM 0.0  
SINCE DEC 1 MM 0.0  
SINCE JUL 1 MM 0.0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 21 15 6 9  
MONTH TO DATE 292 414 -122 365  
SINCE DEC 1 672 911 -239 718  
SINCE JUL 1 979 1586 -607 1163  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 2 0 2 0  
SINCE DEC 1 2 0 2 0  
SINCE JAN 1 2 0 2 0    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 14 RESULTANT WIND DIRECTION SE (150)  
HIGHEST WIND SPEED 43 HIGHEST WIND DIRECTION SE (140)  
HIGHEST GUST SPEED 54 HIGHEST GUST DIRECTION SE (140)  
AVERAGE WIND SPEED 16.8  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.6  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
RAIN  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 77 11:00 PM  
LOWEST 50 1:00 PM  
AVERAGE 64  
   
......................................................
 
 
THE OAKLAND AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 58 71 1984  
MINIMUM TEMPERATURE (F) 42 30 1949  
 
SUNRISE AND SUNSET  
JANUARY 27 2021.......SUNRISE 7:16 AM PST SUNSET 5:28 PM PST  
JANUARY 28 2021.......SUNRISE 7:16 AM PST SUNSET 5:29 PM PST  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 

 
 
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