379  
CDUS46 KMTR 130030  
CLIHWD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA  
530 PM PDT MON APR 12 2021  
   
...............................
 
 
   
..THE HAYWARD AIRPORT CLIMATE SUMMARY FOR APRIL 12 2021
 
 
VALID TODAY AS OF 0500 PM LOCAL TIME.  
 
CLIMATE NORMAL PERIOD: 1981 TO 2010  
CLIMATE RECORD PERIOD: 1998 TO 2021  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
TODAY  
MAXIMUM 69 2:16 PM 86 2008 66 3 62  
MINIMUM 47 5:47 AM 42 2001 49 -2 53  
AVERAGE 58 57 1 58  
 
PRECIPITATION (IN)  
TODAY 0.00 0.00  
MONTH TO DATE 0.00 1.24  
SINCE OCT 1 8.23 8.19  
SINCE JAN 1 6.04 4.33  
 
DEGREE DAYS  
HEATING  
TODAY 7 7  
MONTH TO DATE 100 128  
SINCE MAR 1 468 448  
SINCE JUL 1 1839 1952  
 
COOLING  
TODAY 0 0  
MONTH TO DATE 2 0  
SINCE MAR 1 2 0  
SINCE JAN 1 2 0    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 4 RESULTANT WIND DIRECTION NW (300)  
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION W (290)  
HIGHEST GUST SPEED 20 HIGHEST GUST DIRECTION W (290)  
AVERAGE WIND SPEED 6.1  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.2  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 83 8:00 AM  
LOWEST 42 4:00 PM  
AVERAGE 63  
   
......................................................
 
 
THE HAYWARD AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 66 84 2008  
MINIMUM TEMPERATURE (F) 49 43 2018  
 
SUNRISE AND SUNSET  
APRIL 12 2021.........SUNRISE 6:37 AM PDT SUNSET 7:42 PM PDT  
APRIL 13 2021.........SUNRISE 6:36 AM PDT SUNSET 7:43 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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