727  
CDUS43 KDVN 181006  
CLIIOW  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE QUAD CITIES IA IL  
405 AM CST TUE DEC 18 2018  
 
   
...............................
 
 
   
..THE IOWA CITY IA CLIMATE SUMMARY FOR DECEMBER 17 2018
 
 
CLIMATE NORMAL PERIOD 1981 TO 2010  
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 47 204 PM MM MM 32 15 41  
MINIMUM 23 1134 PM MM MM 17 6 29  
AVERAGE 35 24 11 35  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 MM MM 0.05 -0.05 0.03  
MONTH TO DATE 0.83 1.04 -0.21 0.27  
SINCE DEC 1 0.83 1.04 -0.21 0.27  
SINCE JAN 1 47.32 35.80 11.52 30.85  
 
DEGREE DAYS  
HEATING  
YESTERDAY 30 41 -11 30  
MONTH TO DATE 601 642 -41 532  
SINCE DEC 1 601 642 -41 532  
SINCE JUL 1 2093 1949 144 1627  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE DEC 1 0 0 0 0  
SINCE JAN 1 1273 912 361 1073    
..............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION NW (320)  
HIGHEST GUST SPEED 19 HIGHEST GUST DIRECTION NW (320)  
AVERAGE WIND SPEED 4.1  
 
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.0  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 81 700 AM  
LOWEST 31 200 PM  
AVERAGE 56  
   
......................................................
 
 
 
THE IOWA CITY IA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 32 MM MM  
MINIMUM TEMPERATURE (F) 16 MM MM  
 
 
SUNRISE AND SUNSET  
DECEMBER 18 2018......SUNRISE 728 AM CST SUNSET 438 PM CST  
DECEMBER 19 2018......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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