790  
CDUS43 KDMX 100637  
CLIALO  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE DES MOINES IA  
1231 AM CST MON DEC 10 2018  
 
   
...............................
 
 
   
..THE WATERLOO IA CLIMATE SUMMARY FOR DECEMBER 9 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 32 254 PM 61 1946 33 -1 31  
MINIMUM 10 502 AM -16 1917 15 -5 18  
AVERAGE 21 24 -3 25  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.43 2009 0.05 -0.05 T  
MONTH TO DATE 0.52 0.43 0.09 0.01  
SINCE DEC 1 0.52 0.43 0.09 0.01  
SINCE JAN 1 52.07 33.83 18.24 29.47  
 
SNOWFALL (IN)  
YESTERDAY 0.0 5.2 2009 0.3 -0.3 T  
MONTH TO DATE 1.3 2.8 -1.5 T  
SINCE DEC 1 1.3 2.8 -1.5 T  
SINCE JUL 1 5.1 6.2 -1.1 T  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 44 41 3 40  
MONTH TO DATE 355 353 2 304  
SINCE DEC 1 355 353 2 304  
SINCE JUL 1 2096 1836 260 1695  
 
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 10 HIGHEST WIND DIRECTION S (190)  
HIGHEST GUST SPEED 13 HIGHEST GUST DIRECTION SW (220)  
AVERAGE WIND SPEED 3.0  
 
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.0  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
FOG  
HAZE  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 92 400 AM  
LOWEST 63 200 PM  
AVERAGE 78  
   
......................................................
 
 
 
THE WATERLOO IA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 32 58 1979  
MINIMUM TEMPERATURE (F) 15 -29 1919  
 
 
SUNRISE AND SUNSET  
DECEMBER 10 2018......SUNRISE 728 AM CST SUNSET 436 PM CST  
DECEMBER 11 2018......SUNRISE 729 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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