442  
CDUS46 KMTR 070839  
CLIHWD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA  
1239 AM PST THU DEC 07 2023  
   
...............................  
 
   
..THE HAYWARD AIRPORT CLIMATE SUMMARY FOR DECEMBER 6 2023  
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1998 TO 2023  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................  
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 64 11:28 AM 70 2014 60 4 58  
MINIMUM 44 6:21 AM 34 2009 44 0 43  
AVERAGE 54 52 2 51  
 
PRECIPITATION (IN)  
YESTERDAY 0.15 0.02  
MONTH TO DATE 0.24 1.44  
SINCE OCT 1 1.38 3.69  
SINCE JAN 1 19.70 6.18  
 
DEGREE DAYS  
HEATING  
YESTERDAY 11 14  
MONTH TO DATE 57 54  
SINCE DEC 1 57 54  
SINCE JUL 1 323 561  
 
COOLING  
YESTERDAY 0 0  
MONTH TO DATE 0 0  
SINCE DEC 1 0 0  
SINCE JAN 1 448 430    
...............................................................  
 
WIND (MPH)  
RESULTANT WIND SPEED 3 RESULTANT WIND DIRECTION SW (210)  
HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION W (280)  
HIGHEST GUST SPEED 24 HIGHEST GUST DIRECTION W (280)  
AVERAGE WIND SPEED 7.1  
 
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 100 6:00 AM  
LOWEST 67 1:00 PM  
AVERAGE 84  
   
......................................................  
 
THE HAYWARD AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 60 76 2020  
MINIMUM TEMPERATURE (F) 43 33 2009  
 
SUNRISE AND SUNSET  
DECEMBER 7 2023......SUNRISE 7:10 AM PST SUNSET 4:50 PM PST  
DECEMBER 8 2023......SUNRISE 7:11 AM PST SUNSET 4:50 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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