018  
CDUS43 KDMX 280704 RRA  
CLIALO  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE DES MOINES IA  
1236 AM CST FRI DEC 28 2018  
   
...............................
 
 
   
..THE WATERLOO IA CLIMATE SUMMARY FOR DECEMBER 27 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 49 651 PM 53 1936 28 21 7  
MINIMUM 36 1159 PM -28 1933 11 25 -15  
AVERAGE 43 19 24 -4  
 
PRECIPITATION (IN)  
YESTERDAY 1.43 1.50 1904 0.03 1.40 0.00  
MONTH TO DATE 2.42 1.08 1.34 0.16  
SINCE DEC 1 2.42 1.08 1.34 0.16  
SINCE JAN 1 53.97 34.48 19.49 29.62  
 
SNOWFALL (IN)  
YESTERDAY MM 12.0 1904 0.3 MM 0.0  
MONTH TO DATE 1.3 8.7 -7.4 1.2  
SINCE DEC 1 1.3 8.7 -7.4 1.2  
SINCE JUL 1 5.1 12.1 -7.0 1.2  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 22 46 -24 69  
MONTH TO DATE 945 1143 -198 1072  
SINCE DEC 1 945 1143 -198 1072  
SINCE JUL 1 2686 2626 60 2463  
 
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 26 HIGHEST WIND DIRECTION SE (120)  
HIGHEST GUST SPEED 36 HIGHEST GUST DIRECTION SE (120)  
AVERAGE WIND SPEED 16.3  
 
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 1.0  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
THUNDERSTORM  
HEAVY RAIN  
RAIN  
LIGHT RAIN  
FOG  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 100 900 AM  
LOWEST 89 1100 AM  
AVERAGE 95  
   
......................................................
 
 
 
THE WATERLOO IA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 28 62 1984  
MINIMUM TEMPERATURE (F) 11 -22 1924  
 
 
SUNRISE AND SUNSET  
DECEMBER 28 2018......SUNRISE 739 AM CST SUNSET 444 PM CST  
DECEMBER 29 2018......SUNRISE 739 AM CST SUNSET 445 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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