605  
CDUS46 KMTR 220837  
CLIHWD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA  
137 AM PDT TUE AUG 22 2023  
   
...............................
 
 
   
..THE HAYWARD AIRPORT CLIMATE SUMMARY FOR AUGUST 21 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 78 9:37 AM 83 2009 77 1 77  
2020  
MINIMUM 64 4:32 AM 55 2006 58 6 56  
2012  
AVERAGE 71 68 3 67  
 
PRECIPITATION (IN)  
YESTERDAY 0.03 0.00  
MONTH TO DATE 0.03 T  
SINCE OCT 1 31.03 14.14  
SINCE JAN 1 18.25 2.26  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 0  
MONTH TO DATE 3 0  
SINCE JUN 1 101 66  
SINCE JUL 1 23 25  
 
COOLING  
YESTERDAY 6 2  
MONTH TO DATE 113 92  
SINCE JUN 1 200 201  
SINCE JAN 1 210 220    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 5 RESULTANT WIND DIRECTION W (250)  
HIGHEST WIND SPEED 21 HIGHEST WIND DIRECTION SW (220)  
HIGHEST GUST SPEED 28 HIGHEST GUST DIRECTION S (200)  
AVERAGE WIND SPEED 7.5  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.4  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 84 4:00 AM  
LOWEST 60 11:00 AM  
AVERAGE 72  
   
......................................................
 
 
THE HAYWARD AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 77 92 1999  
MINIMUM TEMPERATURE (F) 58 55 2006  
 
SUNRISE AND SUNSET  
AUGUST 22 2023........SUNRISE 6:30 AM PDT SUNSET 7:52 PM PDT  
AUGUST 23 2023........SUNRISE 6:31 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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