483  
CDUS43 KDVN 212121  
CLIIOW  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE QUAD CITIES IA IL  
421 PM CDT THU SEP 21 2023  
   
...............................
 
 
   
..THE IOWA CITY IA CLIMATE SUMMARY FOR SEPTEMBER 21 2023
 
 
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 74 1058 AM MM MM 76 -2 85  
MINIMUM 57 401 AM MM MM 52 5 59  
AVERAGE 66 64 2 72  
 
PRECIPITATION (IN)  
TODAY 0.01 MM MM 0.11 -0.10 0.00  
MONTH TO DATE 1.42 2.35 -0.93 1.91  
SINCE SEP 1 1.42 2.35 -0.93 1.91  
SINCE JAN 1 18.08 28.19 -10.11 21.08  
 
DEGREE DAYS  
HEATING  
TODAY 0 4 -4 0  
MONTH TO DATE 8 39 -31 0  
SINCE SEP 1 8 39 -31 0  
SINCE JUL 1 9 45 -36 0  
 
COOLING  
TODAY 1 3 -2 7  
MONTH TO DATE 90 92 -2 144  
SINCE SEP 1 90 92 -2 144  
SINCE JAN 1 1051 1011 40 1188    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION E (100)  
HIGHEST GUST SPEED 24 HIGHEST GUST DIRECTION E (80)  
AVERAGE WIND SPEED 4.7  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.7  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 97 100 AM  
LOWEST 68 1100 AM  
AVERAGE 83  
   
......................................................
 
 
THE IOWA CITY IA CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 76 MM MM  
MINIMUM TEMPERATURE (F) 52 MM MM  
 
SUNRISE AND SUNSET  
SEPTEMBER 21 2023.....SUNRISE 652 AM CDT SUNSET 705 PM CDT  
SEPTEMBER 22 2023.....SUNRISE 653 AM CDT SUNSET 704 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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