335  
CDUS43 KDVN 210621  
CLIDBQ  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE QUAD CITIES IA IL  
121 AM CDT SUN SEP 21 2025  
   
...............................
 
 
   
..THE DUBUQUE IA CLIMATE SUMMARY FOR SEPTEMBER 20 2025
 
 
CLIMATE NORMAL PERIOD 1991 TO 2020  
CLIMATE RECORD PERIOD 1873 TO 2025  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 77 1240 PM 93 2022 72 5 87  
MINIMUM 58 538 AM 28 1956 50 8 61  
AVERAGE 68 61 7 74  
 
PRECIPITATION (IN)  
YESTERDAY T 2.27 1965 0.13 -0.13 0.04  
MONTH TO DATE 0.19 2.61 -2.42 0.08  
SINCE SEP 1 0.19 2.61 -2.42 0.08  
SINCE JAN 1 27.20 30.05 -2.85 32.11  
 
SNOWFALL (IN)  
YESTERDAY 0.0 MM MM 0.0 0.0 0.0  
MONTH TO DATE 0.0 0.0 0.0 0.0  
SINCE SEP 1 0.0 0.0 0.0 0.0  
SINCE JUL 1 0.0 0.0 0.0 0.0  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 6 -6 0  
MONTH TO DATE 63 68 -5 32  
SINCE SEP 1 63 68 -5 32  
SINCE JUL 1 83 94 -11 46  
 
COOLING  
YESTERDAY 3 2 1 9  
MONTH TO DATE 78 53 25 78  
SINCE SEP 1 78 53 25 78  
SINCE JAN 1 829 620 209 744    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION SW (220)  
HIGHEST GUST SPEED 20 HIGHEST GUST DIRECTION SW (230)  
AVERAGE WIND SPEED 3.8  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.5  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 100 600 AM  
LOWEST 60 100 PM  
AVERAGE 80  
   
......................................................
 
 
THE DUBUQUE IA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 71 94 1891  
MINIMUM TEMPERATURE (F) 50 35 1952  
1991  
 
SUNRISE AND SUNSET  
SEPTEMBER 21 2025.....SUNRISE 649 AM CDT SUNSET 701 PM CDT  
SEPTEMBER 22 2025.....SUNRISE 651 AM CDT SUNSET 659 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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