430  
CDUS46 KMTR 250843  
CLIHWD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA  
143 AM PDT MON SEP 25 2023  
   
...............................
 
 
   
..THE HAYWARD AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 24 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 72 2:34 PM 91 2019 77 -5 87  
MINIMUM 57 2:28 AM 51 2007 57 0 59  
2018  
AVERAGE 65 67 -2 73  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.00  
MONTH TO DATE 0.00 0.23  
SINCE OCT 1 31.03 14.37  
SINCE JAN 1 18.25 2.49  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 0  
MONTH TO DATE 1 1  
SINCE SEP 1 1 1  
SINCE JUL 1 24 26  
 
COOLING  
YESTERDAY 0 8  
MONTH TO DATE 72 153  
SINCE SEP 1 72 153  
SINCE JAN 1 348 406    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 5 RESULTANT WIND DIRECTION W (290)  
HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION W (280)  
HIGHEST GUST SPEED 24 HIGHEST GUST DIRECTION W (290)  
AVERAGE WIND SPEED 6.2  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.4  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 84 3:00 AM  
LOWEST 53 1:00 PM  
AVERAGE 69  
   
......................................................
 
 
THE HAYWARD AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 76 101 2019  
MINIMUM TEMPERATURE (F) 57 50 2005  
 
SUNRISE AND SUNSET  
SEPTEMBER 25 2023.....SUNRISE 6:59 AM PDT SUNSET 7:01 PM PDT  
SEPTEMBER 26 2023.....SUNRISE 7:00 AM PDT SUNSET 6:59 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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