149  
CDUS43 KDMX 172335 RRA  
CLIALO  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE DES MOINES IA  
534 PM CST MON DEC 17 2018  
 
   
...............................
 
 
   
..THE WATERLOO IA CLIMATE SUMMARY FOR DECEMBER 17 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 45 302 PM 58 1939 30 15 36  
MINIMUM 22 711 AM -16 1914 13 9 22  
AVERAGE 34 21 13 29  
 
PRECIPITATION (IN)  
TODAY 0.00 0.28 1895 0.04 -0.04 0.00  
MONTH TO DATE 0.52 0.75 -0.23 0.04  
SINCE DEC 1 0.52 0.75 -0.23 0.04  
SINCE JAN 1 52.07 34.15 17.92 29.50  
 
SNOWFALL (IN)  
TODAY 0.0 2.5 1990 0.4 -0.4 0.0  
MONTH TO DATE 1.3 5.6 -4.3 T  
SINCE DEC 1 1.3 5.6 -4.3 T  
SINCE JUL 1 5.1 9.0 -3.9 T  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
TODAY 31 44 -13 36  
MONTH TO DATE 631 694 -63 598  
SINCE DEC 1 631 694 -63 598  
SINCE JUL 1 2372 2177 195 1989  
 
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 10 HIGHEST WIND DIRECTION NW (300)  
HIGHEST GUST SPEED 15 HIGHEST GUST DIRECTION NW (300)  
AVERAGE WIND SPEED 4.7  
 
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.0  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 88 500 AM  
LOWEST 37 200 PM  
AVERAGE 63  
   
......................................................
 
 
 
THE WATERLOO IA CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 30 57 2002  
1923  
MINIMUM TEMPERATURE (F) 12 -23 1983  
 
 
SUNRISE AND SUNSET  
DECEMBER 17 2018......SUNRISE 734 AM CST SUNSET 438 PM CST  
DECEMBER 18 2018......SUNRISE 734 AM CST SUNSET 438 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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