844  
CDUS46 KMTR 090028  
CLIHWD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA  
428 PM PST FRI DEC 08 2023  
   
...............................  
 
   
..THE HAYWARD AIRPORT CLIMATE SUMMARY FOR DECEMBER 8 2023  
 
VALID TODAY AS OF 0400 PM LOCAL TIME.  
 
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)  
TODAY  
MAXIMUM 59 3:44 PM 72 2020 60 -1 57  
MINIMUM 40 7:30 AM 31 2009 43 -3 40  
AVERAGE 50 52 -2 49  
 
PRECIPITATION (IN)  
TODAY 0.00 0.02  
MONTH TO DATE 0.30 1.46  
SINCE OCT 1 1.44 3.71  
SINCE JAN 1 19.76 6.20  
 
DEGREE DAYS  
HEATING  
TODAY 15 16  
MONTH TO DATE 85 86  
SINCE DEC 1 85 86  
SINCE JUL 1 351 593  
 
COOLING  
TODAY 0 0  
MONTH TO DATE 0 0  
SINCE DEC 1 0 0  
SINCE JAN 1 448 430    
...............................................................  
 
WIND (MPH)  
RESULTANT WIND SPEED 2 RESULTANT WIND DIRECTION NE (30)  
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION N (360)  
HIGHEST GUST SPEED 18 HIGHEST GUST DIRECTION N (10)  
AVERAGE WIND SPEED 4.5  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 100 2:00 AM  
LOWEST 41 3:00 PM  
AVERAGE 71  
   
......................................................  
 
THE HAYWARD AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 60 70 2020  
MINIMUM TEMPERATURE (F) 43 28 2013  
 
SUNRISE AND SUNSET  
DECEMBER 8 2023......SUNRISE 7:11 AM PST SUNSET 4:50 PM PST  
DECEMBER 9 2023......SUNRISE 7:12 AM PST SUNSET 4:50 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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