414  
CDUS43 KDMX 110648  
CLIALO  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE DES MOINES IA  
1247 AM CST TUE DEC 11 2018  
   
...............................
 
 
   
..THE WATERLOO IA CLIMATE SUMMARY FOR DECEMBER 10 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 30 343 PM 58 1979 32 -2 37  
MINIMUM 10 700 AM -29 1919 15 -5 20  
AVERAGE 20 24 -4 29  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.28 1964 0.04 -0.04 0.00  
MONTH TO DATE 0.52 0.47 0.05 0.01  
SINCE DEC 1 0.52 0.47 0.05 0.01  
SINCE JAN 1 52.07 33.87 18.20 29.47  
 
SNOWFALL (IN)  
YESTERDAY 0.0 3.5 1909 0.3 -0.3 0.0  
MONTH TO DATE 1.3 3.1 -1.8 T  
SINCE DEC 1 1.3 3.1 -1.8 T  
SINCE JUL 1 5.1 6.5 -1.4 T  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 45 41 4 36  
MONTH TO DATE 400 394 6 340  
SINCE DEC 1 400 394 6 340  
SINCE JUL 1 2141 1877 264 1731  
 
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 16 HIGHEST WIND DIRECTION SW (240)  
HIGHEST GUST SPEED 21 HIGHEST GUST DIRECTION W (260)  
AVERAGE WIND SPEED 6.7  
 
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.3  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
FOG  
HAZE  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 100 900 AM  
LOWEST 69 300 PM  
AVERAGE 85  
   
......................................................
 
 
 
THE WATERLOO IA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 32 61 1965  
MINIMUM TEMPERATURE (F) 15 -18 1976  
 
 
SUNRISE AND SUNSET  
DECEMBER 11 2018......SUNRISE 729 AM CST SUNSET 436 PM CST  
DECEMBER 12 2018......SUNRISE 730 AM CST SUNSET 437 PM CST  
 
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 

 
 
SMALL  
 
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