410  
CDUS43 KDVN 111017  
CLIIOW  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE QUAD CITIES IA IL  
415 AM CST MON DEC 11 2017  
 
   
...............................
 
 
   
..THE IOWA CITY IA CLIMATE SUMMARY FOR DECEMBER 10 2017
 
 
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 41 343 PM MM MM 35 6 26  
MINIMUM 21 1206 AM MM MM 19 2 20  
AVERAGE 31 27 4 23  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 MM MM 0.06 -0.06 0.02  
MONTH TO DATE 0.20 0.67 -0.47 0.40  
SINCE DEC 1 0.20 0.67 -0.47 0.40  
SINCE JAN 1 30.78 35.43 -4.65 32.11  
 
DEGREE DAYS  
HEATING  
YESTERDAY 34 38 -4 42  
MONTH TO DATE 305 364 -59 356  
SINCE DEC 1 305 364 -59 356  
SINCE JUL 1 1400 1671 -271 1158  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE DEC 1 0 0 0 0  
SINCE JAN 1 1073 912 161 1192    
..............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 20 HIGHEST WIND DIRECTION NW (320)  
HIGHEST GUST SPEED 26 HIGHEST GUST DIRECTION NW (300)  
AVERAGE WIND SPEED 7.8  
 
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.2  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 78 1100 PM  
LOWEST 51 200 PM  
AVERAGE 65  
   
......................................................
 
 
 
THE IOWA CITY IA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 34 MM MM  
MINIMUM TEMPERATURE (F) 19 MM MM  
 
 
SUNRISE AND SUNSET  
DECEMBER 11 2017......SUNRISE 723 AM CST SUNSET 436 PM CST  
DECEMBER 12 2017......SUNRISE 724 AM CST SUNSET 436 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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