566  
CDUS46 KMTR 210835  
CLIHWD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA  
135 AM PDT SAT OCT 21 2023  
   
...............................
 
 
   
..THE HAYWARD AIRPORT CLIMATE SUMMARY FOR OCTOBER 20 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 71 2:47 PM 85 2020 73 -2 75  
MINIMUM 59 11:59 PM 49 2001 53 6 53  
AVERAGE 65 63 2 64  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.00  
MONTH TO DATE T 0.00  
SINCE OCT 1 T 0.00  
SINCE JAN 1 18.32 2.49  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 1  
MONTH TO DATE 4 42  
SINCE SEP 1 8 44  
SINCE JUL 1 31 69  
 
COOLING  
YESTERDAY 0 0  
MONTH TO DATE 89 11  
SINCE SEP 1 168 177  
SINCE JAN 1 444 430    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 6 RESULTANT WIND DIRECTION NW (320)  
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION W (290)  
HIGHEST GUST SPEED 21 HIGHEST GUST DIRECTION W (280)  
AVERAGE WIND SPEED 6.5  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.4  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
FOG  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 93 4:00 AM  
LOWEST 61 3:00 PM  
AVERAGE 77  
   
......................................................
 
 
THE HAYWARD AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 73 86 2020  
MINIMUM TEMPERATURE (F) 53 -1 2013  
 
SUNRISE AND SUNSET  
OCTOBER 21 2023.......SUNRISE 7:22 AM PDT SUNSET 6:23 PM PDT  
OCTOBER 22 2023.......SUNRISE 7:23 AM PDT SUNSET 6:22 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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