844  
CDUS46 KMTR 280825  
CLIHWD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA  
1225 AM PST THU DEC 28 2023  
   
...............................
 
 
   
..THE HAYWARD AIRPORT CLIMATE SUMMARY FOR DECEMBER 27 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 63 3:20 PM 66 1999 59 4 58  
MINIMUM 46 12:54 AM 31 2015 42 4 48  
AVERAGE 55 51 4 53  
 
PRECIPITATION (IN)  
YESTERDAY 0.08 1.54  
MONTH TO DATE 2.45 4.94  
SINCE OCT 1 3.59 7.19  
SINCE JAN 1 21.91 9.68  
 
DEGREE DAYS  
HEATING  
YESTERDAY 10 12  
MONTH TO DATE 292 391  
SINCE DEC 1 292 391  
SINCE JUL 1 558 898  
 
COOLING  
YESTERDAY 0 0  
MONTH TO DATE 0 0  
SINCE DEC 1 0 0  
SINCE JAN 1 448 430    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 9 RESULTANT WIND DIRECTION SE (150)  
HIGHEST WIND SPEED 23 HIGHEST WIND DIRECTION SE (150)  
HIGHEST GUST SPEED 33 HIGHEST GUST DIRECTION SE (140)  
AVERAGE WIND SPEED 9.9  
 
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 62 12:00 PM  
AVERAGE 78  
   
......................................................
 
 
THE HAYWARD AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 59 63 2005  
MINIMUM TEMPERATURE (F) 42 37 2015  
2016  
2019  
 
SUNRISE AND SUNSET  
DECEMBER 28 2023......SUNRISE 7:23 AM PST SUNSET 4:58 PM PST  
DECEMBER 29 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.  
 

 
 
CLICK HERE TO GO TO PREVIOUS BULLETINS.

The Nexlab CA Page Main Text Page