346  
CDUS46 KMTR 160829  
CLIHWD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA  
1229 AM PST MON DEC 16 2024  
   
...............................
 
 
   
..THE HAYWARD AIRPORT CLIMATE SUMMARY FOR DECEMBER 15 2024
 
 
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)  
YESTERDAY  
MAXIMUM 57 12:47 PM 68 1998 59 -2 64  
MINIMUM 42 4:57 AM 35 2013 43 -1 43  
2015  
AVERAGE 50 51 -1 54  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.00  
MONTH TO DATE 2.22 0.30  
SINCE OCT 1 4.55 1.44  
SINCE JAN 1 21.55 19.76  
 
DEGREE DAYS  
HEATING  
YESTERDAY 15 11  
MONTH TO DATE 140 178  
SINCE DEC 1 140 178  
SINCE JUL 1 423 444  
 
COOLING  
YESTERDAY 0 0  
MONTH TO DATE 0 0  
SINCE DEC 1 0 0  
SINCE JAN 1 713 448    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 1 RESULTANT WIND DIRECTION N (20)  
HIGHEST WIND SPEED 10 HIGHEST WIND DIRECTION W (280)  
HIGHEST GUST SPEED 14 HIGHEST GUST DIRECTION W (250)  
AVERAGE WIND SPEED 4.2  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.2  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 86 9:00 AM  
LOWEST 69 1:00 PM  
AVERAGE 78  
   
......................................................
 
 
THE HAYWARD AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 59 70 1998  
MINIMUM TEMPERATURE (F) 43 35 2011  
 
SUNRISE AND SUNSET  
DECEMBER 16 2024......SUNRISE 7:17 AM PST SUNSET 4:52 PM PST  
DECEMBER 17 2024......SUNRISE 7:18 AM PST SUNSET 4:52 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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