410  
CDUS46 KMTR 190826  
CLIHWD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA  
126 AM PDT THU OCT 19 2017  
 
   
...............................
 
 
   
..THE HAYWARD AIRPORT CLIMATE SUMMARY FOR OCTOBER 18 2017
 
 
CLIMATE NORMAL PERIOD 1981 TO 2010  
CLIMATE RECORD PERIOD 1998 TO 2017  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
..............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 68 143 PM 88 2012 71 -3 70  
MINIMUM 45R 554 AM 49 1998 53 -8 52  
AVERAGE 57 62 -5 61  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.00  
MONTH TO DATE T 1.70  
SINCE OCT 1 T 1.70  
SINCE JAN 1 13.69 10.81  
 
DEGREE DAYS  
HEATING  
YESTERDAY 8 4  
MONTH TO DATE 34 41  
SINCE SEP 1 44 65  
SINCE JUL 1 55 85  
 
COOLING  
YESTERDAY 0 0  
MONTH TO DATE 17 19  
SINCE SEP 1 209 111  
SINCE JAN 1 564 344    
..............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 3 RESULTANT WIND DIRECTION NW (310)  
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION NW (300)  
HIGHEST GUST SPEED 19 HIGHEST GUST DIRECTION NW (300)  
AVERAGE WIND SPEED 5.0  
 
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.3  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
FOG  
HAZE  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 86 100 AM  
LOWEST 52 100 PM  
AVERAGE 69  
   
......................................................
 
 
 
THE HAYWARD AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 71 80 2016  
MINIMUM TEMPERATURE (F) 53 49 2010  
 
 
SUNRISE AND SUNSET  
OCTOBER 19 2017.......SUNRISE 721 AM PDT SUNSET 625 PM PDT  
OCTOBER 20 2017.......SUNRISE 722 AM PDT SUNSET 624 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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