179  
CDUS43 KDMX 200640  
CLIALO  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE DES MOINES IA  
1240 AM CST FRI DEC 20 2024  
   
...............................  
 
   
..THE WATERLOO IA CLIMATE SUMMARY FOR DECEMBER 19 2024  
 
CLIMATE NORMAL PERIOD 1991 TO 2020  
CLIMATE RECORD PERIOD 1895 TO 2024  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................  
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 37 404 PM 52 1979 32 5 38  
1988  
2018  
MINIMUM 24 1220 AM -25 1985 16 8 10  
AVERAGE 31 24 7 24  
 
PRECIPITATION (IN)  
YESTERDAY 0.05 0.68 1987 0.05 0.00 0.00  
MONTH TO DATE 0.54 0.93 -0.39 0.12  
SINCE DEC 1 0.54 0.93 -0.39 0.12  
SINCE JAN 1 40.04 35.78 4.26 21.90  
 
SNOWFALL (IN)  
YESTERDAY 0.4 5.5 2012 0.3 0.1 0.0  
MONTH TO DATE 2.6 5.8 -3.2 T  
SINCE DEC 1 2.6 5.8 -3.2 T  
SINCE JUL 1 2.8 9.2 -6.4 2.1  
SNOW DEPTH 1  
 
DEGREE DAYS  
HEATING  
YESTERDAY 34 41 -7 41  
MONTH TO DATE 728 718 10 607  
SINCE DEC 1 728 718 10 607  
SINCE JUL 1 1750 2096 -346 1758  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE DEC 1 0 0 0 0  
SINCE JAN 1 996 916 80 1115    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 26 HIGHEST WIND DIRECTION NW (300)  
HIGHEST GUST SPEED 38 HIGHEST GUST DIRECTION NW (300)  
AVERAGE WIND SPEED 14.3  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT SNOW  
FOG  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 92 300 PM  
LOWEST 71 100 AM  
AVERAGE 82  
   
......................................................  
 
THE WATERLOO IA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 32 53 1967  
MINIMUM TEMPERATURE (F) 16 -20 1983  
 
SUNRISE AND SUNSET  
DECEMBER 20 2024......SUNRISE 736 AM CST SUNSET 439 PM CST  
DECEMBER 21 2024......SUNRISE 736 AM CST SUNSET 440 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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