487  
CDUS43 KDVN 210632  
CLIIOW  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE QUAD CITIES IA IL  
132 AM CDT THU MAY 21 2026  
   
...............................
 
 
   
..THE IOWA CITY IA CLIMATE SUMMARY FOR MAY 20 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 67 455 PM 75 -8 71  
MINIMUM 46 418 AM 53 -7 51  
AVERAGE 57 64 -7 61  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.14 -0.14 1.19  
MONTH TO DATE 1.65 2.86 -1.21 2.84  
SINCE MAR 1 10.79 8.83 1.96 8.60  
SINCE JAN 1 11.55 11.08 0.47 9.76  
 
DEGREE DAYS  
HEATING  
YESTERDAY 8 4 4 4  
MONTH TO DATE 135 122 13 91  
SINCE MAR 1 1039 1330 -291 1055  
SINCE JUL 1 5543 6075 -532 5498  
 
COOLING  
YESTERDAY 0 3 -3 0  
MONTH TO DATE 29 31 -2 40  
SINCE MAR 1 65 39 26 54  
SINCE JAN 1 65 39 26 54    
...................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION E (100)  
HIGHEST GUST SPEED 21 HIGHEST GUST DIRECTION E (100)  
AVERAGE WIND SPEED 7.7  
 
SKY COVER  
AVERAGE SKY COVER 0.1  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 86 400 AM  
LOWEST 42 400 PM  
AVERAGE 64  
   
......................................................
 
 
THE IOWA CITY IA CLIMATE NORMALS FOR TODAY  
NORMAL  
 
SUNRISE AND SUNSET  
MAY 21 2026...........SUNRISE 541 AM CDT SUNSET 825 PM CDT  
MAY 22 2026...........SUNRISE 540 AM CDT SUNSET 826 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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