298  
CDUS46 KMTR 020837  
CLIHWD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA  
1237 AM PST THU JAN 02 2025  
   
...............................  
 
   
..THE HAYWARD AIRPORT CLIMATE SUMMARY FOR JANUARY 1 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 57 12:22 PM 64 2001 59 -2 60  
MINIMUM 41 6:40 AM 33 2022 43 -2 47  
AVERAGE 49 51 -2 54  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.00  
MONTH TO DATE 0.00 0.00  
SINCE OCT 1 7.21 4.86  
SINCE JAN 1 0.00 0.00  
 
DEGREE DAYS  
HEATING  
YESTERDAY 16 11  
MONTH TO DATE 16 11  
SINCE DEC 1 318 328  
SINCE JUL 1 601 594  
 
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 NE (30)  
HIGHEST WIND SPEED 8 HIGHEST WIND DIRECTION W (290)  
HIGHEST GUST SPEED 11 HIGHEST GUST DIRECTION E (70)  
AVERAGE WIND SPEED 3.1  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.3  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 77 9:00 PM  
LOWEST 52 11:00 AM  
AVERAGE 65  
   
......................................................  
 
THE HAYWARD AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 59 64 2024  
MINIMUM TEMPERATURE (F) 43 33 2013  
2022  
 
SUNRISE AND SUNSET  
JANUARY 2 2025.......SUNRISE 7:24 AM PST SUNSET 5:02 PM PST  
JANUARY 3 2025.......SUNRISE 7:24 AM PST SUNSET 5:03 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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