139  
CDUS43 KDMX 270633  
CLIALO  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE DES MOINES IA  
1230 AM CST THU DEC 27 2018  
   
...............................
 
 
   
..THE WATERLOO IA CLIMATE SUMMARY FOR DECEMBER 26 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 40 320 PM 55 1936 28 12 4  
MINIMUM 21 1252 AM -28 1914 11 10 -9  
AVERAGE 31 19 12 -2  
 
PRECIPITATION (IN)  
YESTERDAY 0.46 0.53 1916 0.03 0.43 0.00  
MONTH TO DATE 0.98 1.05 -0.07 0.16  
SINCE DEC 1 0.98 1.05 -0.07 0.16  
SINCE JAN 1 52.53 34.45 18.08 29.62  
 
SNOWFALL (IN)  
YESTERDAY MM 3.5 1941 0.3 MM 0.0  
MONTH TO DATE 1.3 8.4 -7.1 1.2  
SINCE DEC 1 1.3 8.4 -7.1 1.2  
SINCE JUL 1 5.1 11.8 -6.7 1.2  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 34 46 -12 67  
MONTH TO DATE 923 1097 -174 1003  
SINCE DEC 1 923 1097 -174 1003  
SINCE JUL 1 2664 2580 84 2394  
 
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 25 HIGHEST WIND DIRECTION SE (120)  
HIGHEST GUST SPEED 36 HIGHEST GUST DIRECTION SE (120)  
AVERAGE WIND SPEED 9.5  
 
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.8  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
RAIN  
LIGHT RAIN  
FOG  
FOG W/VISIBILITY <= 1/4 MILE  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 100 100 AM  
LOWEST 76 200 PM  
AVERAGE 88  
   
......................................................
 
 
 
THE WATERLOO IA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 28 53 1936  
MINIMUM TEMPERATURE (F) 11 -28 1933  
 
 
SUNRISE AND SUNSET  
DECEMBER 27 2018......SUNRISE 738 AM CST SUNSET 443 PM CST  
DECEMBER 28 2018......SUNRISE 739 AM CST SUNSET 444 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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