068  
CDUS43 KDMX 120632  
CLIALO  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE DES MOINES IA  
1232 AM CST FRI DEC 12 2025  
   
...............................
 
 
   
..THE WATERLOO IA CLIMATE SUMMARY FOR DECEMBER 11 2025
 
 
CLIMATE NORMAL PERIOD 1991 TO 2020  
CLIMATE RECORD PERIOD 1895 TO 2025  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 22 1159 PM 61 1965 35 -13 29  
MINIMUM 9 654 AM -18 1976 18 -9 3  
AVERAGE 16 27 -11 16  
 
PRECIPITATION (IN)  
YESTERDAY 0.03 1.55 1899 0.05 -0.02 T  
MONTH TO DATE 0.30 0.56 -0.26 0.03  
SINCE DEC 1 0.30 0.56 -0.26 0.03  
SINCE JAN 1 35.18 35.41 -0.23 39.53  
 
SNOWFALL (IN)  
YESTERDAY 0.4 7.0 2000 0.3 0.1 T  
MONTH TO DATE 3.8 3.1 0.7 0.7  
SINCE DEC 1 3.8 3.1 0.7 0.7  
SINCE JUL 1 18.3 6.5 11.8 0.9  
SNOW DEPTH 5  
 
DEGREE DAYS  
HEATING  
YESTERDAY 49 38 11 49  
MONTH TO DATE 529 400 129 417  
SINCE DEC 1 529 400 129 417  
SINCE JUL 1 1702 1778 -76 1439  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE DEC 1 0 0 0 0  
SINCE JAN 1 985 916 69 996    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION NW (300)  
HIGHEST GUST SPEED 17 HIGHEST GUST DIRECTION NW (300)  
AVERAGE WIND SPEED 5.6  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT SNOW  
FOG  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 92 400 PM  
LOWEST 77 1200 AM  
AVERAGE 85  
   
......................................................
 
 
THE WATERLOO IA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 35 58 1968  
MINIMUM TEMPERATURE (F) 18 -15 2000  
 
SUNRISE AND SUNSET  
DECEMBER 12 2025......SUNRISE 730 AM CST SUNSET 437 PM CST  
DECEMBER 13 2025......SUNRISE 731 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.  
 

 
 
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