898  
CDUS43 KDMX 090646 RRA  
CLIALO  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE DES MOINES IA  
1245 AM CST SUN DEC 9 2018  
 
   
...............................
 
 
   
..THE WATERLOO IA CLIMATE SUMMARY FOR DECEMBER 8 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 29 413 PM 65 1946 33 -4 38  
MINIMUM 14 1134 PM -18 1917 16 -2 15  
AVERAGE 22 24 -2 27  
 
PRECIPITATION (IN)  
YESTERDAY T 0.68 2009 0.04 -0.04 T  
MONTH TO DATE 0.52 0.38 0.14 0.01  
SINCE DEC 1 0.52 0.38 0.14 0.01  
SINCE JAN 1 52.07 33.78 18.29 29.47  
 
SNOWFALL (IN)  
YESTERDAY T 9.4 2009 0.4 -0.4 T  
MONTH TO DATE 1.3 2.5 -1.2 T  
SINCE DEC 1 1.3 2.5 -1.2 T  
SINCE JUL 1 5.1 5.9 -0.8 T  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 43 41 2 38  
MONTH TO DATE 311 312 -1 264  
SINCE DEC 1 311 312 -1 264  
SINCE JUL 1 2052 1795 257 1655  
 
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 12 HIGHEST WIND DIRECTION SW (220)  
HIGHEST GUST SPEED 15 HIGHEST GUST DIRECTION S (200)  
AVERAGE WIND SPEED 4.4  
 
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.7  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
FOG  
HAZE  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 92 900 PM  
LOWEST 69 300 PM  
AVERAGE 81  
   
......................................................
 
 
 
THE WATERLOO IA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 33 61 1946  
MINIMUM TEMPERATURE (F) 15 -16 1917  
 
 
SUNRISE AND SUNSET  
DECEMBER 9 2018......SUNRISE 728 AM CST SUNSET 436 PM CST  
DECEMBER 10 2018......SUNRISE 728 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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