370  
CDUS46 KMTR 270825  
CLIHWD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA  
1225 AM PST WED DEC 27 2023  
   
...............................  
 
   
..THE HAYWARD AIRPORT CLIMATE SUMMARY FOR DECEMBER 26 2023  
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1998 TO 2023  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................  
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 60 1:23 PM 64 2006 59 1 57  
MINIMUM 46 6:22 AM 34 2008 42 4 46  
AVERAGE 53 51 2 52  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.19  
MONTH TO DATE 2.37 3.40  
SINCE OCT 1 3.51 5.65  
SINCE JAN 1 21.83 8.14  
 
DEGREE DAYS  
HEATING  
YESTERDAY 12 13  
MONTH TO DATE 282 379  
SINCE DEC 1 282 379  
SINCE JUL 1 548 886  
 
COOLING  
YESTERDAY 0 0  
MONTH TO DATE 0 0  
SINCE DEC 1 0 0  
SINCE JAN 1 448 430    
...............................................................  
 
WIND (MPH)  
RESULTANT WIND SPEED 1 RESULTANT WIND DIRECTION E (70)  
HIGHEST WIND SPEED 12 HIGHEST WIND DIRECTION E (90)  
HIGHEST GUST SPEED 14 HIGHEST GUST DIRECTION E (90)  
AVERAGE WIND SPEED 2.7  
 
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 86 2:00 AM  
LOWEST 64 1:00 PM  
AVERAGE 75  
   
......................................................  
 
THE HAYWARD AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 59 66 1999  
MINIMUM TEMPERATURE (F) 42 31 2015  
 
SUNRISE AND SUNSET  
DECEMBER 27 2023......SUNRISE 7:22 AM PST SUNSET 4:57 PM PST  
DECEMBER 28 2023......SUNRISE 7:23 AM PST SUNSET 4:58 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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