694  
CDUS46 KMTR 130827  
CLIHWD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA  
127 AM PDT TUE MAY 13 2025  
   
...............................
 
 
   
..THE HAYWARD AIRPORT CLIMATE SUMMARY FOR MAY 12 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 67 2:27 PM 82 2014 69 -2 70  
MINIMUM 55 7:27 AM 47 2000 52 3 55  
2022  
AVERAGE 61 60 1 63  
 
PRECIPITATION (IN)  
YESTERDAY 0.25 0.00  
MONTH TO DATE 0.26 0.90  
SINCE OCT 1 14.64 21.84  
SINCE JAN 1 7.43 16.98  
 
DEGREE DAYS  
HEATING  
YESTERDAY 4 2  
MONTH TO DATE 29 45  
SINCE MAR 1 424 451  
SINCE JUL 1 1654 1623  
 
COOLING  
YESTERDAY 0 0  
MONTH TO DATE 16 17  
SINCE MAR 1 25 20  
SINCE JAN 1 25 20    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 8 RESULTANT WIND DIRECTION W (250)  
HIGHEST WIND SPEED 21 HIGHEST WIND DIRECTION W (280)  
HIGHEST GUST SPEED 29 HIGHEST GUST DIRECTION W (280)  
AVERAGE WIND SPEED 11.0  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.8  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
HEAVY RAIN  
LIGHT RAIN  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 84 8:00 AM  
LOWEST 45 2:00 PM  
AVERAGE 65  
   
......................................................
 
 
THE HAYWARD AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 69 89 2014  
MINIMUM TEMPERATURE (F) 52 46 2008  
 
SUNRISE AND SUNSET  
MAY 13 2025...........SUNRISE 6:00 AM PDT SUNSET 8:10 PM PDT  
MAY 14 2025...........SUNRISE 5:59 AM PDT SUNSET 8:11 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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