559  
CDUS43 KDVN 280635  
CLIIOW  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE QUAD CITIES IA IL  
135 AM CDT SUN SEP 28 2025  
   
...............................
 
 
   
..THE IOWA CITY IA CLIMATE SUMMARY FOR SEPTEMBER 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 87 317 PM MM MM 73 14 79  
MINIMUM 53 603 AM MM MM 50 3 59  
AVERAGE 70 62 8 69  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 MM MM 0.09 -0.09 0.00  
MONTH TO DATE 1.16 2.95 -1.79 0.03  
SINCE SEP 1 1.16 2.95 -1.79 0.03  
SINCE JAN 1 22.67 28.79 -6.12 31.90  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 5 -5 0  
MONTH TO DATE 37 66 -29 18  
SINCE SEP 1 37 66 -29 18  
SINCE JUL 1 48 72 -24 23  
 
COOLING  
YESTERDAY 5 2 3 4  
MONTH TO DATE 150 104 46 114  
SINCE SEP 1 150 104 46 114  
SINCE JAN 1 1162 1023 139 1038    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION SW (240)  
HIGHEST GUST SPEED 24 HIGHEST GUST DIRECTION W (280)  
AVERAGE WIND SPEED 4.8  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 97 400 AM  
LOWEST 29 200 PM  
AVERAGE 63  
   
......................................................
 
 
THE IOWA CITY IA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 73 MM MM  
MINIMUM TEMPERATURE (F) 49 MM MM  
 
SUNRISE AND SUNSET  
SEPTEMBER 28 2025.....SUNRISE 700 AM CDT SUNSET 652 PM CDT  
SEPTEMBER 29 2025.....SUNRISE 701 AM CDT SUNSET 651 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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