050  
CDUS43 KDMX 120631  
CLIALO  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE DES MOINES IA  
1231 AM CST TUE DEC 12 2023  
   
...............................  
 
   
..THE WATERLOO IA CLIMATE SUMMARY FOR DECEMBER 11 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 39 345 PM 61 1965 35 4 38  
MINIMUM 11 245 AM -18 1976 18 -7 29  
AVERAGE 25 27 -2 34  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.55 1899 0.05 -0.05 0.00  
MONTH TO DATE 0.01 0.56 -0.55 0.45  
SINCE DEC 1 0.01 0.56 -0.55 0.45  
SINCE JAN 1 21.79 35.41 -13.62 32.90  
 
SNOWFALL (IN)  
YESTERDAY 0.0 7.0 2000 0.3 -0.3 0.0  
MONTH TO DATE T 3.1 -3.1 0.5  
SINCE DEC 1 T 3.1 -3.1 0.5  
SINCE JUL 1 2.1 6.5 -4.4 5.2  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 40 38 2 31  
MONTH TO DATE 346 400 -54 389  
SINCE DEC 1 346 400 -54 389  
SINCE JUL 1 1497 1778 -281 1760  
 
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 12 HIGHEST WIND DIRECTION SW (240)  
HIGHEST GUST SPEED 16 HIGHEST GUST DIRECTION SW (240)  
AVERAGE WIND SPEED 5.5  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 92 700 AM  
LOWEST 55 300 PM  
AVERAGE 74  
   
......................................................  
 
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 2023......SUNRISE 730 AM CST SUNSET 436 PM CST  
DECEMBER 13 2023......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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