987  
CDUS43 KDMX 130633  
CLIALO  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE DES MOINES IA  
1233 AM CST WED DEC 13 2023  
   
...............................
 
 
   
..THE WATERLOO IA CLIMATE SUMMARY FOR DECEMBER 12 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 37 138 PM 58 1968 35 2 37  
MINIMUM 17 1000 PM -15 2000 18 -1 31  
AVERAGE 27 26 1 34  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.81 1991 0.04 -0.04 0.00  
MONTH TO DATE 0.01 0.60 -0.59 0.45  
SINCE DEC 1 0.01 0.60 -0.59 0.45  
SINCE JAN 1 21.79 35.45 -13.66 32.90  
 
SNOWFALL (IN)  
YESTERDAY 0.0 7.5 1972 0.3 -0.3 0.0  
MONTH TO DATE T 3.4 -3.4 0.5  
SINCE DEC 1 T 3.4 -3.4 0.5  
SINCE JUL 1 2.1 6.8 -4.7 5.2  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 38 39 -1 31  
MONTH TO DATE 384 439 -55 420  
SINCE DEC 1 384 439 -55 420  
SINCE JUL 1 1535 1817 -282 1791  
 
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 16 HIGHEST WIND DIRECTION NW (300)  
HIGHEST GUST SPEED 23 HIGHEST GUST DIRECTION NW (300)  
AVERAGE WIND SPEED 8.7  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 71 500 AM  
LOWEST 34 200 PM  
AVERAGE 53  
   
......................................................
 
 
THE WATERLOO IA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 34 57 1975  
MINIMUM TEMPERATURE (F) 18 -26 1961  
 
SUNRISE AND SUNSET  
DECEMBER 13 2023......SUNRISE 731 AM CST SUNSET 437 PM CST  
DECEMBER 14 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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