225  
CDUS46 KMTR 140827  
CLIHWD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA  
127 AM PDT TUE AUG 14 2018  
 
   
...............................
 
 
   
..THE HAYWARD AIRPORT CLIMATE SUMMARY FOR AUGUST 13 2018
 
 
CLIMATE NORMAL PERIOD 1981 TO 2010  
CLIMATE RECORD PERIOD 1998 TO 2018  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
..............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 69 200 PM 86 2008 75 -6 70  
MINIMUM 59 906 PM 54 2007 58 1 58  
AVERAGE 64 66 -2 64  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.00  
MONTH TO DATE 0.00 T  
SINCE OCT 1 10.18 19.57  
SINCE JAN 1 8.17 13.69  
 
DEGREE DAYS  
HEATING  
YESTERDAY 1 1  
MONTH TO DATE 8 3  
SINCE JUN 1 62 39  
SINCE JUL 1 11 8  
 
COOLING  
YESTERDAY 0 0  
MONTH TO DATE 31 47  
SINCE JUN 1 169 236  
SINCE JAN 1 184 293    
..............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 8 RESULTANT WIND DIRECTION W (290)  
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION NW (300)  
HIGHEST GUST SPEED 21 HIGHEST GUST DIRECTION W (290)  
AVERAGE WIND SPEED 9.1  
 
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.7  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 84 1200 AM  
LOWEST 63 200 PM  
AVERAGE 74  
   
......................................................
 
 
 
THE HAYWARD AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 75 80 2000  
MINIMUM TEMPERATURE (F) 58 54 2007  
 
 
SUNRISE AND SUNSET  
AUGUST 14 2018........SUNRISE 623 AM PDT SUNSET 802 PM PDT  
AUGUST 15 2018........SUNRISE 624 AM PDT SUNSET 801 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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