209  
CDUS43 KDMX 070640  
CLIALO  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE DES MOINES IA  
1237 AM CST FRI DEC 7 2018  
 
   
...............................
 
 
   
..THE WATERLOO IA CLIMATE SUMMARY FOR DECEMBER 6 2018
 
 
CLIMATE NORMAL PERIOD 1981 TO 2010  
CLIMATE RECORD PERIOD 1895 TO 2018  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
..............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 26 1255 PM 60 1951 34 -8 31  
1939  
MINIMUM 10 1159 PM -14 2005 16 -6 17  
AVERAGE 18 25 -7 24  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.82 1943 0.05 -0.05 0.01  
MONTH TO DATE 0.52 0.29 0.23 0.01  
SINCE DEC 1 0.52 0.29 0.23 0.01  
SINCE JAN 1 52.07 33.69 18.38 29.47  
 
SNOWFALL (IN)  
YESTERDAY 0.0 8.3 1994 0.3 -0.3 T  
MONTH TO DATE 1.3 1.8 -0.5 T  
SINCE DEC 1 1.3 1.8 -0.5 T  
SINCE JUL 1 5.1 5.2 -0.1 T  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 47 40 7 41  
MONTH TO DATE 220 231 -11 179  
SINCE DEC 1 220 231 -11 179  
SINCE JUL 1 1961 1714 247 1570  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE DEC 1 0 0 0 0  
SINCE JAN 1 890 799 91 720    
..............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 22 HIGHEST WIND DIRECTION NW (330)  
HIGHEST GUST SPEED 28 HIGHEST GUST DIRECTION NW (330)  
AVERAGE WIND SPEED 10.9  
 
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.3  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 92 900 PM  
LOWEST 60 1200 PM  
AVERAGE 76  
   
......................................................
 
 
 
THE WATERLOO IA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 34 56 1916  
MINIMUM TEMPERATURE (F) 16 -19 1976  
 
 
SUNRISE AND SUNSET  
DECEMBER 7 2018......SUNRISE 726 AM CST SUNSET 436 PM CST  
DECEMBER 8 2018......SUNRISE 727 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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