260  
CDUS43 KDMX 122335  
CLIALO  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE DES MOINES IA  
534 PM CST WED DEC 12 2018  
 
   
...............................
 
 
   
..THE WATERLOO IA CLIMATE SUMMARY FOR DECEMBER 12 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 36 102 AM 58 1968 31 5 28  
MINIMUM 24 710 AM -15 2000 14 10 10  
AVERAGE 30 23 7 19  
 
PRECIPITATION (IN)  
TODAY 0.00 0.81 1991 0.04 -0.04 0.00  
MONTH TO DATE 0.52 0.56 -0.04 0.04  
SINCE DEC 1 0.52 0.56 -0.04 0.04  
SINCE JAN 1 52.07 33.96 18.11 29.50  
 
SNOWFALL (IN)  
TODAY 0.0 7.5 1972 0.3 -0.3 0.0  
MONTH TO DATE 1.3 3.8 -2.5 T  
SINCE DEC 1 1.3 3.8 -2.5 T  
SINCE JUL 1 5.1 7.2 -2.1 T  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
TODAY 35 42 -7 46  
MONTH TO DATE 474 478 -4 422  
SINCE DEC 1 474 478 -4 422  
SINCE JUL 1 2215 1961 254 1813  
 
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 20 HIGHEST WIND DIRECTION W (270)  
HIGHEST GUST SPEED 29 HIGHEST GUST DIRECTION W (280)  
AVERAGE WIND SPEED 10.6  
 
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.8  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
FOG  
HAZE  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 89 200 AM  
LOWEST 72 200 PM  
AVERAGE 81  
   
......................................................
 
 
 
THE WATERLOO IA CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 31 57 1975  
MINIMUM TEMPERATURE (F) 14 -26 1961  
 
 
SUNRISE AND SUNSET  
DECEMBER 12 2018......SUNRISE 730 AM CST SUNSET 437 PM CST  
DECEMBER 13 2018......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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