641  
CDUS43 KDMX 152326  
CLIALO  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE DES MOINES IA  
526 PM CST FRI DEC 15 2023  
   
...............................
 
 
   
..THE WATERLOO IA CLIMATE SUMMARY FOR DECEMBER 15 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 50 133 PM 74 2021 34 16 33  
MINIMUM 26 1252 AM -21 1917 17 9 23  
AVERAGE 38 25 13 28  
 
PRECIPITATION (IN)  
TODAY 0.00 0.74 2014 0.04 -0.04 0.06  
MONTH TO DATE 0.01 0.74 -0.73 0.93  
SINCE DEC 1 0.01 0.74 -0.73 0.93  
SINCE JAN 1 21.79 35.59 -13.80 33.38  
 
SNOWFALL (IN)  
TODAY 0.0 4.5 1925 0.3 -0.3 1.2  
2010  
MONTH TO DATE T 4.4 -4.4 1.7  
SINCE DEC 1 T 4.4 -4.4 1.7  
SINCE JUL 1 2.1 7.8 -5.7 6.4  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
TODAY 27 40 -13 37  
MONTH TO DATE 471 557 -86 510  
SINCE DEC 1 471 557 -86 510  
SINCE JUL 1 1622 1935 -313 1881  
 
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 10 HIGHEST WIND DIRECTION S (200)  
HIGHEST GUST SPEED 13 HIGHEST GUST DIRECTION S (180)  
AVERAGE WIND SPEED 4.9  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 82 700 AM  
LOWEST 51 1200 PM  
AVERAGE 67  
   
......................................................
 
 
THE WATERLOO IA CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 33 63 1939  
MINIMUM TEMPERATURE (F) 17 -20 1932  
 
SUNRISE AND SUNSET  
DECEMBER 15 2023......SUNRISE 732 AM CST SUNSET 437 PM CST  
DECEMBER 16 2023......SUNRISE 733 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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