298  
CDUS43 KDVN 170625  
CLIIOW  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE QUAD CITIES IA IL  
125 AM CDT SUN AUG 17 2025  
   
...............................
 
 
   
..THE IOWA CITY IA CLIMATE SUMMARY FOR AUGUST 16 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 93 219 PM MM MM 84 9 86  
MINIMUM 70 541 AM MM MM 64 6 64  
AVERAGE 82 74 8 75  
 
PRECIPITATION (IN)  
YESTERDAY 0.04 MM MM 0.14 -0.10 T  
MONTH TO DATE 1.55 1.91 -0.36 2.82  
SINCE JUN 1 11.54 11.11 0.43 14.99  
SINCE JAN 1 21.42 23.81 -2.39 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 17 9 8 10  
MONTH TO DATE 156 155 1 135  
SINCE JUN 1 841 724 117 708  
SINCE JAN 1 905 805 100 784    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION S (200)  
HIGHEST GUST SPEED 19 HIGHEST GUST DIRECTION SW (210)  
AVERAGE WIND SPEED 5.2  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
THUNDERSTORM  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 100 500 AM  
LOWEST 66 200 PM  
AVERAGE 83  
   
......................................................
 
 
THE IOWA CITY IA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 84 MM MM  
MINIMUM TEMPERATURE (F) 63 MM MM  
 
SUNRISE AND SUNSET  
AUGUST 17 2025........SUNRISE 617 AM CDT SUNSET 802 PM CDT  
AUGUST 18 2025........SUNRISE 618 AM CDT SUNSET 801 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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