944  
CDUS46 KMTR 040829  
CLIHWD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA  
1229 AM PST THU JAN 04 2024  
   
...............................
 
 
   
..THE HAYWARD AIRPORT CLIMATE SUMMARY FOR JANUARY 3 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 1:33 PM 66 2014 59 1 54  
MINIMUM 46 11:59 PM 33 2009 43 3 46  
2015  
AVERAGE 53 51 2 50  
 
PRECIPITATION (IN)  
YESTERDAY 0.08 0.00  
MONTH TO DATE 0.88 0.39  
SINCE OCT 1 5.74 13.17  
SINCE JAN 1 0.88 0.39  
 
DEGREE DAYS  
HEATING  
YESTERDAY 12 15  
MONTH TO DATE 33 46  
SINCE DEC 1 350 482  
SINCE JUL 1 616 989  
 
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 (320)  
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION NW (330)  
HIGHEST GUST SPEED 24 HIGHEST GUST DIRECTION N (340)  
AVERAGE WIND SPEED 6.2  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.6  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
RAIN  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 93 1:00 AM  
LOWEST 57 3:00 PM  
AVERAGE 75  
   
......................................................
 
 
THE HAYWARD AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 59 68 2018  
MINIMUM TEMPERATURE (F) 43 32 2009  
 
SUNRISE AND SUNSET  
JANUARY 4 2024.......SUNRISE 7:24 AM PST SUNSET 5:03 PM PST  
JANUARY 5 2024.......SUNRISE 7:24 AM PST SUNSET 5:04 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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