373  
CDUS43 KDVN 180913  
CLIDVN  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE QUAD CITIES IA IL  
413 AM CDT SAT SEP 18 2021  
   
...............................
 
 
   
..THE DAVENPORT IA CLIMATE SUMMARY FOR SEPTEMBER 17 2021
 
 
CLIMATE NORMAL PERIOD 1991 TO 2020  
CLIMATE RECORD PERIOD 9999 TO 9999  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 88 258 PM MM MM 76 12 73  
MINIMUM 55 432 AM MM MM 53 2 52  
AVERAGE 72 64 8 63  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 MM MM 0.11 -0.11 0.00  
MONTH TO DATE 0.27 2.05 -1.78 7.88  
SINCE SEP 1 0.27 2.05 -1.78 7.88  
SINCE JAN 1 21.85 28.16 -6.31 30.93  
 
SNOWFALL (IN)  
YESTERDAY 0.0 0.0  
MONTH TO DATE 0.0 0.0  
SINCE SEP 1 0.0 0.0  
SINCE JUL 1 0.0 T  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 4 -4 2  
MONTH TO DATE 1 35 -34 43  
SINCE SEP 1 1 35 -34 43  
SINCE JUL 1 1 47 -46 46  
 
COOLING  
YESTERDAY 7 3 4 0  
MONTH TO DATE 76 67 9 42  
SINCE SEP 1 76 67 9 42  
SINCE JAN 1 992 838 154 933    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION W (280)  
HIGHEST GUST SPEED 25 HIGHEST GUST DIRECTION W (290)  
AVERAGE WIND SPEED 8.0  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.2  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 81 400 AM  
LOWEST 46 100 PM  
AVERAGE 64  
   
......................................................
 
 
THE DAVENPORT IA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 76 MM MM  
MINIMUM TEMPERATURE (F) 52 MM MM  
 
SUNRISE AND SUNSET  
SEPTEMBER 18 2021.....SUNRISE 646 AM CDT SUNSET 706 PM CDT  
SEPTEMBER 19 2021.....SUNRISE 647 AM CDT SUNSET 704 PM CDT  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 

 
 
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