919  
CDUS43 KDVN 160844  
CLIIOW  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE QUAD CITIES IA IL  
344 AM CDT SAT SEP 16 2023  
   
...............................
 
 
   
..THE IOWA CITY IA CLIMATE SUMMARY FOR SEPTEMBER 15 2023
 
 
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 82 221 PM MM MM 78 4 86  
MINIMUM 59 650 AM MM MM 55 4 58  
AVERAGE 71 66 5 72  
 
PRECIPITATION (IN)  
YESTERDAY T MM MM 0.10 -0.10 0.00  
MONTH TO DATE 1.05 1.70 -0.65 1.32  
SINCE SEP 1 1.05 1.70 -0.65 1.32  
SINCE JAN 1 17.71 27.54 -9.83 20.49  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 2 -2 0  
MONTH TO DATE 6 20 -14 0  
SINCE SEP 1 6 20 -14 0  
SINCE JUL 1 7 26 -19 0  
 
COOLING  
YESTERDAY 6 4 2 7  
MONTH TO DATE 76 73 3 84  
SINCE SEP 1 76 73 3 84  
SINCE JAN 1 1037 992 45 1128    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION S (200)  
HIGHEST GUST SPEED 24 HIGHEST GUST DIRECTION S (200)  
AVERAGE WIND SPEED 5.5  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.9  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 78 100 AM  
LOWEST 33 300 PM  
AVERAGE 56  
   
......................................................
 
 
THE IOWA CITY IA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 78 MM MM  
MINIMUM TEMPERATURE (F) 54 MM MM  
 
SUNRISE AND SUNSET  
SEPTEMBER 16 2023.....SUNRISE 647 AM CDT SUNSET 714 PM CDT  
SEPTEMBER 17 2023.....SUNRISE 648 AM CDT SUNSET 712 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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