404  
CDUS43 KDVN 312126  
CLIIOW  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE QUAD CITIES IA IL  
426 PM CDT THU JUL 31 2025  
   
...............................  
 
   
..THE IOWA CITY IA CLIMATE SUMMARY FOR JULY 31 2025  
 
VALID TODAY AS OF 0400 PM LOCAL TIME.  
 
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)  
TODAY  
MAXIMUM 78 157 PM MM MM 85 -7 86  
MINIMUM 64 607 AM MM MM 66 -2 70  
AVERAGE 71 76 -5 78  
 
PRECIPITATION (IN)  
TODAY 0.00 MM MM 0.11 -0.11 0.75  
MONTH TO DATE 7.84 3.91 3.93 7.08  
SINCE JUN 1 9.99 9.20 0.79 12.17  
SINCE JAN 1 19.87 21.90 -2.03 27.58  
 
DEGREE DAYS  
HEATING  
TODAY 0 0 0 0  
MONTH TO DATE 0 0 0 1  
SINCE JUN 1 3 13 -10 1  
SINCE JUL 1 0 0 0 1  
 
COOLING  
TODAY 6 10 -4 13  
MONTH TO DATE 393 336 57 291  
SINCE JUN 1 686 569 117 573  
SINCE JAN 1 750 650 100 649    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION NE (40)  
HIGHEST GUST SPEED 30 HIGHEST GUST DIRECTION NE (60)  
AVERAGE WIND SPEED 12.4  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.1  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
FOG  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 93 1200 AM  
LOWEST 46 1200 PM  
AVERAGE 70  
   
......................................................  
 
THE IOWA CITY IA CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 85 MM MM  
MINIMUM TEMPERATURE (F) 66 MM MM  
 
SUNRISE AND SUNSET  
JULY 31 2025..........SUNRISE 600 AM CDT SUNSET 825 PM CDT  
AUGUST 1 2025........SUNRISE 601 AM CDT SUNSET 823 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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