400  
CDUS43 KDMX 220646 RRA  
CLIALO  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE DES MOINES IA  
1238 AM CST SAT DEC 22 2018  
   
...............................
 
 
   
..THE WATERLOO IA CLIMATE SUMMARY FOR DECEMBER 21 2018
 
 
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)  
YESTERDAY  
MAXIMUM 32 111 AM 56 1941 29 3 35  
MINIMUM 25 1025 PM -27 1963 12 13 27  
AVERAGE 29 20 9 31  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.83 1984 0.03 -0.03 0.00  
MONTH TO DATE 0.52 0.88 -0.36 0.04  
SINCE DEC 1 0.52 0.88 -0.36 0.04  
SINCE JAN 1 52.07 34.28 17.79 29.50  
 
SNOWFALL (IN)  
YESTERDAY 0.0 6.0 1914 0.4 -0.4 0.0  
MONTH TO DATE 1.3 6.9 -5.6 T  
SINCE DEC 1 1.3 6.9 -5.6 T  
SINCE JUL 1 5.1 10.3 -5.2 T  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 36 45 -9 34  
MONTH TO DATE 744 871 -127 733  
SINCE DEC 1 744 871 -127 733  
SINCE JUL 1 2485 2354 131 2124  
 
COOLING  
YESTERDAY 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 22 HIGHEST WIND DIRECTION NW (330)  
HIGHEST GUST SPEED 29 HIGHEST GUST DIRECTION NW (330)  
AVERAGE WIND SPEED 10.5  
 
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 1.0  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 85 200 AM  
LOWEST 75 900 AM  
AVERAGE 80  
   
......................................................
 
 
 
THE WATERLOO IA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 29 55 1941  
MINIMUM TEMPERATURE (F) 12 -23 1983  
 
 
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.  
 

 
 
ANSORGE  
 
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