470  
CDUS46 KMTR 170827  
CLIHWD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA  
1227 AM PST FRI JAN 17 2025  
   
...............................
 
 
   
..THE HAYWARD AIRPORT CLIMATE SUMMARY FOR JANUARY 16 2025
 
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1998 TO 2025  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 65 MM 71 2014 59 6 59  
MINIMUM 41 MM 31 2007 43 -2 47  
2012  
AVERAGE 53 51 2 53  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.55  
MONTH TO DATE 0.16 2.96  
SINCE OCT 1 7.37 7.82  
SINCE JAN 1 0.16 2.96  
 
DEGREE DAYS  
HEATING  
YESTERDAY 12 12  
MONTH TO DATE 173 216  
SINCE DEC 1 475 533  
SINCE JUL 1 758 799  
 
COOLING  
YESTERDAY 0 0  
MONTH TO DATE 0 0  
SINCE DEC 1 0 0  
SINCE JAN 1 0 0    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 1 RESULTANT WIND DIRECTION NW (330)  
HIGHEST WIND SPEED 10 HIGHEST WIND DIRECTION W (280)  
HIGHEST GUST SPEED MM HIGHEST GUST DIRECTION MM  
AVERAGE WIND SPEED 2.8  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 70 3:00 AM  
LOWEST 37 4:00 PM  
AVERAGE 54  
   
......................................................
 
 
THE HAYWARD AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 59 71 2021  
MINIMUM TEMPERATURE (F) 43 30 2012  
 
SUNRISE AND SUNSET  
JANUARY 17 2025.......SUNRISE 7:21 AM PST SUNSET 5:16 PM PST  
JANUARY 18 2025.......SUNRISE 7:21 AM PST SUNSET 5:17 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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