611  
CDUS43 KDVN 180625  
CLIIOW  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE QUAD CITIES IA IL  
1225 AM CST MON DEC 18 2023  
   
...............................  
 
   
..THE IOWA CITY IA CLIMATE SUMMARY FOR DECEMBER 17 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 41 150 AM MM MM 36 5 23  
MINIMUM 32 1041 PM MM MM 20 12 13  
AVERAGE 37 28 9 18  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 MM MM 0.05 -0.05 T  
MONTH TO DATE 0.70 0.89 -0.19 1.13  
SINCE DEC 1 0.70 0.89 -0.19 1.13  
SINCE JAN 1 22.71 35.12 -12.41 27.07  
 
DEGREE DAYS  
HEATING  
YESTERDAY 28 37 -9 47  
MONTH TO DATE 486 588 -102 554  
SINCE DEC 1 486 588 -102 554  
SINCE JUL 1 1570 1818 -248 1784  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE DEC 1 0 0 0 0  
SINCE JAN 1 1144 1044 100 1192    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION NW (300)  
HIGHEST GUST SPEED 26 HIGHEST GUST DIRECTION NW (300)  
AVERAGE WIND SPEED 11.2  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.9  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 97 200 AM  
LOWEST 79 500 PM  
AVERAGE 88  
   
......................................................  
 
THE IOWA CITY IA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 35 MM MM  
MINIMUM TEMPERATURE (F) 19 MM MM  
 
SUNRISE AND SUNSET  
DECEMBER 18 2023......SUNRISE 728 AM CST SUNSET 438 PM CST  
DECEMBER 19 2023......SUNRISE 728 AM CST SUNSET 438 PM CST  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 
 
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