675  
CDUS46 KMTR 210045  
CLIHWD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA  
445 PM PST FRI DEC 20 2024  
   
...............................
 
 
   
..THE HAYWARD AIRPORT CLIMATE SUMMARY FOR DECEMBER 20 2024
 
 
VALID TODAY AS OF 0400 PM LOCAL TIME.  
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1998 TO 2024  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
TODAY  
MAXIMUM 59 2:40 PM 71 1999 59 0 63  
MINIMUM 46 7:59 AM 33 1998 43 3 55  
AVERAGE 53 51 2 59  
 
PRECIPITATION (IN)  
TODAY 0.00 0.58  
MONTH TO DATE 2.69 2.37  
SINCE OCT 1 5.02 3.51  
SINCE JAN 1 22.02 21.83  
 
DEGREE DAYS  
HEATING  
TODAY 12 6  
MONTH TO DATE 208 212  
SINCE DEC 1 208 212  
SINCE JUL 1 491 478  
 
COOLING  
TODAY 0 0  
MONTH TO DATE 0 0  
SINCE DEC 1 0 0  
SINCE JAN 1 713 448    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 5 RESULTANT WIND DIRECTION NE (40)  
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION W (290)  
HIGHEST GUST SPEED 20 HIGHEST GUST DIRECTION W (270)  
AVERAGE WIND SPEED 7.3  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.2  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
FOG  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 86 10:00 AM  
LOWEST 66 11:00 AM  
AVERAGE 76  
   
......................................................
 
 
THE HAYWARD AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 59 73 1999  
MINIMUM TEMPERATURE (F) 43 29 1998  
 
SUNRISE AND SUNSET  
DECEMBER 20 2024......SUNRISE 7:20 AM PST SUNSET 4:53 PM PST  
DECEMBER 21 2024......SUNRISE 7:20 AM PST SUNSET 4:54 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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