733  
CDUS43 KDMX 202335  
CLIALO  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE DES MOINES IA  
529 PM CST THU DEC 20 2018  
   
...............................
 
 
   
..THE WATERLOO IA CLIMATE SUMMARY FOR DECEMBER 20 2018
 
 
VALID TODAY AS OF 0500 PM LOCAL TIME.  
 
CLIMATE NORMAL PERIOD 1981 TO 2010  
CLIMATE RECORD PERIOD 1895 TO 2018  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
..............................................................
 
 
TEMPERATURE (F)  
TODAY  
MAXIMUM 37 224 PM 53 1967 29 8 34  
MINIMUM 34 459 PM -20 1983 12 22 16  
AVERAGE 36 20 16 25  
 
PRECIPITATION (IN)  
TODAY T 0.78 2006 0.03 -0.03 0.00  
MONTH TO DATE 0.52 0.85 -0.33 0.04  
SINCE DEC 1 0.52 0.85 -0.33 0.04  
SINCE JAN 1 52.07 34.25 17.82 29.50  
 
SNOWFALL (IN)  
TODAY MM 4.5 2012 0.3 MM 0.0  
1897  
MONTH TO DATE 1.3 6.5 -5.2 T  
SINCE DEC 1 1.3 6.5 -5.2 T  
SINCE JUL 1 5.1 9.9 -4.8 T  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
TODAY 29 44 -15 40  
MONTH TO DATE 707 826 -119 699  
SINCE DEC 1 707 826 -119 699  
SINCE JUL 1 2448 2309 139 2090  
 
COOLING  
TODAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE DEC 1 0 0 0 0  
SINCE JAN 1 890 799 91 720    
..............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 24 HIGHEST WIND DIRECTION NW (330)  
HIGHEST GUST SPEED 32 HIGHEST GUST DIRECTION NW (320)  
AVERAGE WIND SPEED 12.5  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 1.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 92 200 AM  
LOWEST 85 500 AM  
AVERAGE 89    
......................................................
 
 
 
THE WATERLOO IA CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 29 56 1941  
MINIMUM TEMPERATURE (F) 12 -27 1963  
 
SUNRISE AND SUNSET  
DECEMBER 20 2018......SUNRISE 736 AM CST SUNSET 439 PM CST  
DECEMBER 21 2018......SUNRISE 736 AM CST SUNSET 439 PM CST  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 

 
 
FAB  
 
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