596  
CDUS43 KDMX 210626  
CLIALO  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE DES MOINES IA  
1226 AM CST THU DEC 21 2023  
   
...............................
 
 
   
..THE WATERLOO IA CLIMATE SUMMARY FOR DECEMBER 20 2023
 
 
CLIMATE NORMAL PERIOD 1991 TO 2020  
CLIMATE RECORD PERIOD 1895 TO 2023  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 46 248 PM 53 1967 32 14 28  
MINIMUM 19 713 AM -20 1983 16 3 -4  
AVERAGE 33 24 9 12  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.78 2006 0.04 -0.04 0.00  
MONTH TO DATE 0.12 0.97 -0.85 1.08  
SINCE DEC 1 0.12 0.97 -0.85 1.08  
SINCE JAN 1 21.90 35.82 -13.92 33.53  
 
SNOWFALL (IN)  
YESTERDAY 0.0 4.5 1897 0.4 -0.4 0.0  
2012  
MONTH TO DATE T 6.2 -6.2 3.9  
SINCE DEC 1 T 6.2 -6.2 3.9  
SINCE JUL 1 2.1 9.6 -7.5 8.6  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 32 41 -9 53  
MONTH TO DATE 639 759 -120 765  
SINCE DEC 1 639 759 -120 765  
SINCE JUL 1 1790 2137 -347 2136  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE DEC 1 0 0 0 0  
SINCE JAN 1 1115 916 199 1023    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION E (100)  
HIGHEST GUST SPEED 16 HIGHEST GUST DIRECTION E (100)  
AVERAGE WIND SPEED 7.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 81 600 AM  
LOWEST 40 200 PM  
AVERAGE 61  
   
......................................................
 
 
THE WATERLOO IA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 32 56 1941  
MINIMUM TEMPERATURE (F) 15 -27 1963  
 
SUNRISE AND SUNSET  
DECEMBER 21 2023......SUNRISE 736 AM CST SUNSET 439 PM CST  
DECEMBER 22 2023......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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