964  
CDUS46 KMTR 100836  
CLIHWD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA  
136 AM PDT SUN SEP 10 2023  
   
...............................
 
 
   
..THE HAYWARD AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 9 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 80 3:06 PM 94 2015 78 2 83  
MINIMUM 56 6:15 AM 54 2012 58 -2 61  
2018  
AVERAGE 68 68 0 72  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.00  
MONTH TO DATE 0.00 0.00  
SINCE OCT 1 31.03 14.14  
SINCE JAN 1 18.25 2.26  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 0  
MONTH TO DATE 0 0  
SINCE SEP 1 0 0  
SINCE JUL 1 23 25  
 
COOLING  
YESTERDAY 3 7  
MONTH TO DATE 33 105  
SINCE SEP 1 33 105  
SINCE JAN 1 309 358    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 4 RESULTANT WIND DIRECTION W (290)  
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION W (290)  
HIGHEST GUST SPEED 17 HIGHEST GUST DIRECTION NW (300)  
AVERAGE WIND SPEED 5.3  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 90 11:00 PM  
LOWEST 42 3:00 PM  
AVERAGE 66  
   
......................................................
 
 
THE HAYWARD AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 77 94 2017  
MINIMUM TEMPERATURE (F) 58 52 2000  
 
SUNRISE AND SUNSET  
SEPTEMBER 10 2023.....SUNRISE 6:46 AM PDT SUNSET 7:24 PM PDT  
SEPTEMBER 11 2023.....SUNRISE 6:47 AM PDT SUNSET 7:23 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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