987  
CDUS46 KMTR 130830  
CLIHWD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA  
1230 AM PST FRI DEC 13 2024  
   
...............................  
 
   
..THE HAYWARD AIRPORT CLIMATE SUMMARY FOR DECEMBER 12 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 60 12:34 PM 66 2018 59 1 62  
MINIMUM 51 3:31 AM 34 2013 43 8 46  
AVERAGE 56 51 5 54  
 
PRECIPITATION (IN)  
YESTERDAY 0.96 0.00  
MONTH TO DATE 0.96 0.30  
SINCE OCT 1 3.29 1.44  
SINCE JAN 1 20.29 19.76  
 
DEGREE DAYS  
HEATING  
YESTERDAY 9 11  
MONTH TO DATE 106 140  
SINCE DEC 1 106 140  
SINCE JUL 1 389 406  
 
COOLING  
YESTERDAY 0 0  
MONTH TO DATE 0 0  
SINCE DEC 1 0 0  
SINCE JAN 1 713 448    
...............................................................  
 
WIND (MPH)  
RESULTANT WIND SPEED 6 RESULTANT WIND DIRECTION SW (240)  
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION W (270)  
HIGHEST GUST SPEED 22 HIGHEST GUST DIRECTION SE (130)  
AVERAGE WIND SPEED 8.3  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.8  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
HEAVY RAIN  
RAIN  
LIGHT RAIN  
FOG  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 86 6:00 AM  
LOWEST 58 1:00 PM  
AVERAGE 72  
   
......................................................  
 
THE HAYWARD AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 59 65 2018  
MINIMUM TEMPERATURE (F) 43 36 2007  
2011  
2022  
 
SUNRISE AND SUNSET  
DECEMBER 13 2024......SUNRISE 7:15 AM PST SUNSET 4:51 PM PST  
DECEMBER 14 2024......SUNRISE 7:16 AM PST SUNSET 4:51 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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