484  
CDUS43 KDMX 010632 RRA  
CLIALO  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE DES MOINES IA  
1231 AM CST TUE JAN 1 2019  
 
   
...............................
 
 
   
..THE WATERLOO IA CLIMATE SUMMARY FOR DECEMBER 31 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 34 211 PM 59 1965 28 6 -3  
MINIMUM 27 1159 PM -23 1976 10 17 -17  
AVERAGE 31 19 12 -10  
 
PRECIPITATION (IN)  
YESTERDAY 0.06 0.62 1977 0.03 0.03 0.03  
MONTH TO DATE 2.50 1.20 1.30 0.46  
SINCE DEC 1 2.50 1.20 1.30 0.46  
SINCE JAN 1 54.05 34.60 19.45 29.92  
 
SNOWFALL (IN)  
YESTERDAY 1.3 6.2 1977 0.3 0.0 0.2  
MONTH TO DATE 3.5 9.9 -6.4 7.7  
SINCE DEC 1 3.5 9.9 -6.4 7.7  
SINCE JUL 1 7.3 13.3 -6.0 7.7  
SNOW DEPTH T  
 
DEGREE DAYS  
HEATING  
YESTERDAY 34 46 -12 75  
MONTH TO DATE 1101 1327 -226 1330  
SINCE DEC 1 1101 1328 -227 1330  
SINCE JUL 1 2842 2811 31 2721  
 
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 24 HIGHEST WIND DIRECTION N (340)  
HIGHEST GUST SPEED 30 HIGHEST GUST DIRECTION N (340)  
AVERAGE WIND SPEED 9.5  
 
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.8  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT SNOW  
FOG  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 92 100 AM  
LOWEST 78 1100 PM  
AVERAGE 85  
   
......................................................
 
 
 
THE WATERLOO IA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 27 61 1897  
MINIMUM TEMPERATURE (F) 10 -21 2018  
 
 
SUNRISE AND SUNSET  
JANUARY 1 2019.......SUNRISE 739 AM CST SUNSET 447 PM CST  
JANUARY 2 2019.......SUNRISE 739 AM CST SUNSET 448 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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