690  
CDUS46 KMTR 050042  
CLIHWD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA  
442 PM PST MON DEC 04 2023  
   
...............................  
 
   
..THE HAYWARD AIRPORT CLIMATE SUMMARY FOR DECEMBER 4 2023  
 
VALID TODAY AS OF 0400 PM LOCAL TIME.  
 
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)  
TODAY  
MAXIMUM 62 3:00 PM 70 2014 60 2 62  
MINIMUM 49 7:16 AM 35 2004 44 5 46  
2013  
AVERAGE 56 52 4 54  
 
PRECIPITATION (IN)  
TODAY 0.00 0.05  
MONTH TO DATE 0.09 1.39  
SINCE OCT 1 1.23 3.64  
SINCE JAN 1 19.55 6.13  
 
DEGREE DAYS  
HEATING  
TODAY 9 11  
MONTH TO DATE 36 28  
SINCE DEC 1 36 28  
SINCE JUL 1 302 535  
 
COOLING  
TODAY 0 0  
MONTH TO DATE 0 0  
SINCE DEC 1 0 0  
SINCE JAN 1 448 430    
...............................................................  
 
WIND (MPH)  
RESULTANT WIND SPEED 1 RESULTANT WIND DIRECTION N (350)  
HIGHEST WIND SPEED 8 HIGHEST WIND DIRECTION W (280)  
HIGHEST GUST SPEED 10 HIGHEST GUST DIRECTION W (260)  
AVERAGE WIND SPEED 2.6  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.4  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
FOG  
FOG W/VISIBILITY <= 1/4 MILE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 100 8:00 AM  
LOWEST 72 3:00 PM  
AVERAGE 86  
   
......................................................  
 
THE HAYWARD AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 60 70 2014  
MINIMUM TEMPERATURE (F) 44 31 2013  
 
SUNRISE AND SUNSET  
DECEMBER 4 2023......SUNRISE 7:07 AM PST SUNSET 4:50 PM PST  
DECEMBER 5 2023......SUNRISE 7:08 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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