199  
CDUS43 KDVN 190635  
CLIIOW  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE QUAD CITIES IA IL  
1235 AM CST TUE DEC 19 2023  
   
...............................
 
 
   
..THE IOWA CITY IA CLIMATE SUMMARY FOR DECEMBER 18 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 36 1251 AM MM MM 35 1 21  
MINIMUM 13 1158 PM MM MM 19 -6 7  
AVERAGE 25 27 -2 14  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 MM MM 0.05 -0.05 0.00  
MONTH TO DATE 0.70 0.94 -0.24 1.13  
SINCE DEC 1 0.70 0.94 -0.24 1.13  
SINCE JAN 1 22.71 35.17 -12.46 27.07  
 
DEGREE DAYS  
HEATING  
YESTERDAY 40 38 2 51  
MONTH TO DATE 526 626 -100 605  
SINCE DEC 1 526 626 -100 605  
SINCE JUL 1 1610 1856 -246 1835  
 
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 29 HIGHEST WIND DIRECTION NW (310)  
HIGHEST GUST SPEED 42 HIGHEST GUST DIRECTION NW (330)  
AVERAGE WIND SPEED 14.7  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.1  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 78 100 AM  
LOWEST 41 300 PM  
AVERAGE 60  
   
......................................................
 
 
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 19 2023......SUNRISE 728 AM CST SUNSET 438 PM CST  
DECEMBER 20 2023......SUNRISE 729 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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