597  
CDUS43 KDVN 210926  
CLIDBQ  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE QUAD CITIES IA IL  
424 AM CDT THU SEP 21 2017  
 
   
...............................
 
 
   
..THE DUBUQUE IA CLIMATE SUMMARY FOR SEPTEMBER 20 2017
 
 
CLIMATE NORMAL PERIOD 1981 TO 2010  
CLIMATE RECORD PERIOD 1873 TO 2017  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
..............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 88 320 PM 92 1895 71 17 82  
MINIMUM 65 631 AM 28 1956 50 15 60  
AVERAGE 77 60 17 71  
 
PRECIPITATION (IN)  
YESTERDAY 0.52 2.27 1965 0.12 0.40 0.00  
MONTH TO DATE 1.02 2.36 -1.34 3.77  
SINCE SEP 1 1.02 2.36 -1.34 3.77  
SINCE JAN 1 28.44 28.34 0.10 32.93  
 
SNOWFALL (IN)  
YESTERDAY 0.0 MM MM 0.0 0.0 0.0  
MONTH TO DATE 0.0 0.0 0.0 0.0  
SINCE SEP 1 0.0 0.0 0.0 0.0  
SINCE JUL 1 0.0 0.0 0.0 0.0  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 6 -6 0  
MONTH TO DATE 55 72 -17 10  
SINCE SEP 1 55 72 -17 10  
SINCE JUL 1 81 99 -18 17  
 
COOLING  
YESTERDAY 12 1 11 6  
MONTH TO DATE 41 52 -11 70  
SINCE SEP 1 41 52 -11 70  
SINCE JAN 1 496 628 -132 750    
..............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 21 HIGHEST WIND DIRECTION S (190)  
HIGHEST GUST SPEED 27 HIGHEST GUST DIRECTION S (190)  
AVERAGE WIND SPEED 13.0  
 
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.2  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
THUNDERSTORM  
HEAVY RAIN  
RAIN  
LIGHT RAIN  
FOG  
HAZE  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 93 600 AM  
LOWEST 55 200 PM  
AVERAGE 74  
   
......................................................
 
 
 
THE DUBUQUE IA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 70 94 1891  
MINIMUM TEMPERATURE (F) 49 35 1991  
1952  
 
 
SUNRISE AND SUNSET  
SEPTEMBER 21 2017.....SUNRISE 649 AM CDT SUNSET 701 PM CDT  
SEPTEMBER 22 2017.....SUNRISE 650 AM CDT SUNSET 700 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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