355  
CDUS43 KDVN 280813  
CLIIOW  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE QUAD CITIES IA IL  
313 AM CDT THU AUG 28 2025  
   
...............................
 
 
   
..THE IOWA CITY IA CLIMATE SUMMARY FOR AUGUST 27 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 74 503 PM MM MM 83 -9 96  
MINIMUM 50 407 AM MM MM 61 -11 71  
AVERAGE 62 72 -10 84  
 
PRECIPITATION (IN)  
YESTERDAY 0.02 MM MM 0.14 -0.12 0.46  
MONTH TO DATE 1.57 3.38 -1.81 3.28  
SINCE JUN 1 11.56 12.58 -1.02 15.45  
SINCE JAN 1 21.44 25.28 -3.84 30.86  
 
DEGREE DAYS  
HEATING  
YESTERDAY 3 0 3 0  
MONTH TO DATE 11 0 11 4  
SINCE JUN 1 14 15 -1 5  
SINCE JUL 1 11 2 9 5  
 
COOLING  
YESTERDAY 0 7 -7 19  
MONTH TO DATE 236 241 -5 236  
SINCE JUN 1 921 810 111 809  
SINCE JAN 1 985 891 94 885    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION S (160)  
HIGHEST GUST SPEED 18 HIGHEST GUST DIRECTION SE (120)  
AVERAGE WIND SPEED 3.2  
 
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 100 500 AM  
LOWEST 64 300 PM  
AVERAGE 82  
   
......................................................
 
 
THE IOWA CITY IA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 82 MM MM  
MINIMUM TEMPERATURE (F) 61 MM MM  
 
SUNRISE AND SUNSET  
AUGUST 28 2025........SUNRISE 628 AM CDT SUNSET 745 PM CDT  
AUGUST 29 2025........SUNRISE 629 AM CDT SUNSET 744 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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