239  
CDUS43 KDMX 212327  
CLIALO  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE DES MOINES IA  
527 PM CST THU DEC 21 2023  
   
...............................
 
 
   
..THE WATERLOO IA CLIMATE SUMMARY FOR DECEMBER 21 2023
 
 
VALID TODAY AS OF 0520 PM LOCAL TIME.  
 
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)  
TODAY  
MAXIMUM 41 459 PM 56 1941 32 9 18  
MINIMUM 34 1239 AM -27 1963 15 19 -4  
AVERAGE 38 24 14 7  
 
PRECIPITATION (IN)  
TODAY 0.00 0.83 1984 0.05 -0.05 0.21  
MONTH TO DATE 0.12 1.02 -0.90 1.29  
SINCE DEC 1 0.12 1.02 -0.90 1.29  
SINCE JAN 1 21.90 35.87 -13.97 33.74  
 
SNOWFALL (IN)  
TODAY 0.0 6.0 1914 0.3 -0.3 2.2  
MONTH TO DATE T 6.5 -6.5 6.1  
SINCE DEC 1 T 6.5 -6.5 6.1  
SINCE JUL 1 2.1 9.9 -7.8 10.8  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
TODAY 27 41 -14 58  
MONTH TO DATE 666 800 -134 823  
SINCE DEC 1 666 800 -134 823  
SINCE JUL 1 1817 2178 -361 2194  
 
COOLING  
TODAY 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 13 HIGHEST WIND DIRECTION SE (120)  
HIGHEST GUST SPEED 17 HIGHEST GUST DIRECTION SE (120)  
AVERAGE WIND SPEED 8.4  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
FOG  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 83 200 PM  
LOWEST 64 600 AM  
AVERAGE 74  
   
......................................................
 
 
THE WATERLOO IA CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 32 55 1941  
MINIMUM TEMPERATURE (F) 15 -23 1983  
 
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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