108  
CDUS43 KDVN 180628  
CLIIOW  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE QUAD CITIES IA IL  
128 AM CDT FRI SEP 18 2026  
   
...............................
 
 
   
..THE IOWA CITY IA CLIMATE SUMMARY FOR SEPTEMBER 17 2026
 
 
CLIMATE NORMAL PERIOD 1991 TO 2020  
CLIMATE RECORD PERIOD 9999 TO 9999  
 
WEATHER ITEM OBSERVED TIME NORMAL DEPARTURE LAST  
VALUE (LST) VALUE FROM YEAR  
NORMAL    
...................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 82 231 PM 77 5 91  
MINIMUM 67 1159 PM 54 13 62  
AVERAGE 75 66 9 77  
 
PRECIPITATION (IN)  
YESTERDAY 0.33 0.11 0.22 0.00  
MONTH TO DATE 4.12 1.91 2.21 0.04  
SINCE SEP 1 4.12 1.91 2.21 0.04  
SINCE JAN 1 34.25 27.75 6.50 21.55  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 3 -3 0  
MONTH TO DATE 5 26 -21 37  
SINCE SEP 1 5 26 -21 37  
SINCE JUL 1 5 32 -27 48  
 
COOLING  
YESTERDAY 10 3 7 12  
MONTH TO DATE 173 80 93 104  
SINCE SEP 1 173 80 93 104  
SINCE JAN 1 1232 999 233 1116    
...................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION SE (120)  
HIGHEST GUST SPEED 20 HIGHEST GUST DIRECTION SE (120)  
AVERAGE WIND SPEED 5.9  
 
SKY COVER  
AVERAGE SKY COVER 0.9  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
THUNDERSTORM  
HEAVY RAIN  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 100 1200 AM  
LOWEST 74 100 PM  
AVERAGE 87  
   
......................................................
 
 
THE IOWA CITY IA CLIMATE NORMALS FOR TODAY  
NORMAL  
 
SUNRISE AND SUNSET  
SEPTEMBER 18 2026.....SUNRISE 650 AM CDT SUNSET 710 PM CDT  
SEPTEMBER 19 2026.....SUNRISE 651 AM CDT SUNSET 708 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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