273  
CDUS43 KDMX 222327  
CLIALO  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE DES MOINES IA  
526 PM CST SAT DEC 22 2018  
 
   
...............................
 
 
   
..THE WATERLOO IA CLIMATE SUMMARY FOR DECEMBER 22 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 32 459 PM 55 1941 29 3 31  
MINIMUM 22 653 AM -23 1983 12 10 9  
AVERAGE 27 20 7 20  
 
PRECIPITATION (IN)  
TODAY 0.00 0.66 1979 0.04 -0.04 0.02  
MONTH TO DATE 0.52 0.92 -0.40 0.06  
SINCE DEC 1 0.52 0.92 -0.40 0.06  
SINCE JAN 1 52.07 34.32 17.75 29.52  
 
SNOWFALL (IN)  
TODAY 0.0 4.7 2007 0.3 -0.3 0.2  
MONTH TO DATE 1.3 7.2 -5.9 0.2  
SINCE DEC 1 1.3 7.2 -5.9 0.2  
SINCE JUL 1 5.1 10.6 -5.5 0.2  
SNOW DEPTH MM  
 
DEGREE DAYS  
HEATING  
TODAY 38 45 -7 45  
MONTH TO DATE 782 916 -134 778  
SINCE DEC 1 782 916 -134 778  
SINCE JUL 1 2523 2399 124 2169  
 
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 12 HIGHEST WIND DIRECTION SE (150)  
HIGHEST GUST SPEED 14 HIGHEST GUST DIRECTION NW (310)  
AVERAGE WIND SPEED 5.6  
 
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.9  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
FOG  
HAZE  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 96 500 AM  
LOWEST 78 200 PM  
AVERAGE 87  
   
......................................................
 
 
 
THE WATERLOO IA CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 29 52 1965  
MINIMUM TEMPERATURE (F) 11 -25 1989  
 
 
SUNRISE AND SUNSET  
DECEMBER 22 2018......SUNRISE 737 AM CST SUNSET 440 PM CST  
DECEMBER 23 2018......SUNRISE 737 AM CST SUNSET 441 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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