035  
CDUS46 KMTR 010849  
CLIHWD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA  
1249 AM PST MON JAN 01 2024  
   
...............................  
 
   
..THE HAYWARD AIRPORT CLIMATE SUMMARY FOR DECEMBER 31 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 61 1:44 PM 63 2001 59 2 58  
2019  
MINIMUM 48 2:22 AM 34 2007 42 6 49  
AVERAGE 55 51 4 54  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 4.34  
MONTH TO DATE 3.72 10.53  
SINCE OCT 1 4.86 12.78  
SINCE JAN 1 23.18 15.27  
 
DEGREE DAYS  
HEATING  
YESTERDAY 10 11  
MONTH TO DATE 317 436  
SINCE DEC 1 317 436  
SINCE JUL 1 583 943  
 
COOLING  
YESTERDAY 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 (40)  
HIGHEST WIND SPEED 8 HIGHEST WIND DIRECTION NE (30)  
HIGHEST GUST SPEED 11 HIGHEST GUST DIRECTION NE (60)  
AVERAGE WIND SPEED 3.4  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.4  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 93 12:00 AM  
LOWEST 64 2:00 PM  
AVERAGE 79  
   
......................................................  
 
THE HAYWARD AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 59 64 2001  
MINIMUM TEMPERATURE (F) 43 33 2022  
 
SUNRISE AND SUNSET  
JANUARY 1 2024.......SUNRISE 7:23 AM PST SUNSET 5:01 PM PST  
JANUARY 2 2024.......SUNRISE 7:24 AM PST SUNSET 5:01 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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