861  
CDUS46 KMTR 230859  
CLIHWD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA  
159 AM PDT WED AUG 23 2023  
   
...............................
 
 
   
..THE HAYWARD AIRPORT CLIMATE SUMMARY FOR AUGUST 22 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 81 1:16 PM 92 1999 77 4 78  
MINIMUM 67 11:59 PM 55 2006 58 9 58  
AVERAGE 74 68 6 68  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 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 9 3  
MONTH TO DATE 122 95  
SINCE JUN 1 209 204  
SINCE JAN 1 219 223    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 7 RESULTANT WIND DIRECTION NW (300)  
HIGHEST WIND SPEED 20 HIGHEST WIND DIRECTION W (290)  
HIGHEST GUST SPEED 24 HIGHEST GUST DIRECTION W (290)  
AVERAGE WIND SPEED 8.0  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.3  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 81 7:00 AM  
LOWEST 54 1:00 PM  
AVERAGE 68  
   
......................................................
 
 
THE HAYWARD AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 77 91 2010  
MINIMUM TEMPERATURE (F) 58 54 2005  
2012  
 
SUNRISE AND SUNSET  
AUGUST 23 2023........SUNRISE 6:31 AM PDT SUNSET 7:51 PM PDT  
AUGUST 24 2023........SUNRISE 6:32 AM PDT SUNSET 7:49 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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