285  
CDUS46 KMTR 210826  
CLIHWD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA  
126 AM PDT MON APR 21 2025  
   
...............................
 
 
   
..THE HAYWARD AIRPORT CLIMATE SUMMARY FOR APRIL 20 2025
 
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1998 TO 2025  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 71 1:53 PM 95 2009 67 4 69  
MINIMUM 52 11:46 PM 40 2008 50 2 52  
AVERAGE 62 58 4 61  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.00  
MONTH TO DATE 0.11 1.54  
SINCE OCT 1 14.30 20.94  
SINCE JAN 1 7.09 16.08  
 
DEGREE DAYS  
HEATING  
YESTERDAY 3 4  
MONTH TO DATE 83 128  
SINCE MAR 1 343 369  
SINCE JUL 1 1573 1541  
 
COOLING  
YESTERDAY 0 0  
MONTH TO DATE 0 1  
SINCE MAR 1 9 1  
SINCE JAN 1 9 1    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 6 RESULTANT WIND DIRECTION W (290)  
HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION W (290)  
HIGHEST GUST SPEED 21 HIGHEST GUST DIRECTION NW (300)  
AVERAGE WIND SPEED 7.5  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.4  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 80 11:00 PM  
LOWEST 46 1:00 PM  
AVERAGE 63  
   
......................................................
 
 
THE HAYWARD AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 67 92 2009  
MINIMUM TEMPERATURE (F) 50 39 2008  
 
SUNRISE AND SUNSET  
APRIL 21 2025.........SUNRISE 6:25 AM PDT SUNSET 7:50 PM PDT  
APRIL 22 2025.........SUNRISE 6:23 AM PDT SUNSET 7:51 PM PDT  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 

 
 
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