340  
CDUS43 KDVN 221402  
CLIIOW  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE QUAD CITIES IA IL  
902 AM CDT FRI AUG 22 2025  
   
...............................
 
 
   
..THE IOWA CITY IA CLIMATE SUMMARY FOR AUGUST 21 2025
 
 
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 81 245 PM MM MM 83 -2 75  
MINIMUM 63 550 AM MM MM 63 0 56  
AVERAGE 72 73 -1 66  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 MM MM 0.13 -0.13 0.00  
MONTH TO DATE 1.55 2.57 -1.02 2.82  
SINCE JUN 1 11.54 11.77 -0.23 14.99  
SINCE JAN 1 21.42 24.47 -3.05 30.40  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 3  
SINCE JUN 1 3 15 -12 4  
SINCE JUL 1 0 2 -2 4  
 
COOLING  
YESTERDAY 7 8 -1 1  
MONTH TO DATE 224 196 28 165  
SINCE JUN 1 909 765 144 738  
SINCE JAN 1 973 846 127 814    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 10 HIGHEST WIND DIRECTION NE (50)  
HIGHEST GUST SPEED 16 HIGHEST GUST DIRECTION NE (50)  
AVERAGE WIND SPEED 3.2  
 
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 93 1000 PM  
LOWEST 58 100 PM  
AVERAGE 76  
   
......................................................
 
 
THE IOWA CITY IA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 83 MM MM  
MINIMUM TEMPERATURE (F) 62 MM MM  
 
SUNRISE AND SUNSET  
AUGUST 22 2025........SUNRISE 622 AM CDT SUNSET 755 PM CDT  
AUGUST 23 2025........SUNRISE 623 AM CDT SUNSET 753 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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