027  
CDUS43 KDVN 220625  
CLIIOW  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE QUAD CITIES IA IL  
125 AM CDT MON SEP 22 2025  
   
...............................  
 
   
..THE IOWA CITY IA CLIMATE SUMMARY FOR SEPTEMBER 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 80 325 PM MM MM 76 4 89  
MINIMUM 59 607 AM MM MM 52 7 58  
AVERAGE 70 64 6 74  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 MM MM 0.11 -0.11 T  
MONTH TO DATE 0.38 2.35 -1.97 T  
SINCE SEP 1 0.38 2.35 -1.97 T  
SINCE JAN 1 21.89 28.19 -6.30 31.87  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 4 -4 0  
MONTH TO DATE 37 39 -2 16  
SINCE SEP 1 37 39 -2 16  
SINCE JUL 1 48 45 3 21  
 
COOLING  
YESTERDAY 5 3 2 9  
MONTH TO DATE 125 92 33 107  
SINCE SEP 1 125 92 33 107  
SINCE JAN 1 1137 1011 126 1031    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 10 HIGHEST WIND DIRECTION S (200)  
HIGHEST GUST SPEED 14 HIGHEST GUST DIRECTION S (200)  
AVERAGE WIND SPEED 2.0  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.5  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 100 1200 AM  
LOWEST 58 400 PM  
AVERAGE 79  
   
......................................................  
 
THE IOWA CITY IA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 76 MM MM  
MINIMUM TEMPERATURE (F) 52 MM MM  
 
SUNRISE AND SUNSET  
SEPTEMBER 22 2025.....SUNRISE 654 AM CDT SUNSET 703 PM CDT  
SEPTEMBER 23 2025.....SUNRISE 655 AM CDT SUNSET 701 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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