019  
CDUS43 KDMX 200647  
CLIALO  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE DES MOINES IA  
1246 AM CST TUE FEB 20 2018  
   
...............................
 
 
   
..THE WATERLOO IA CLIMATE SUMMARY FOR FEBRUARY 19 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 38 1239 AM 67 2017 33 5 67  
MINIMUM 31 1159 PM -23 1936 16 15 25  
AVERAGE 35 25 10 46  
 
PRECIPITATION (IN)  
YESTERDAY 0.16 0.51 1971 0.04 0.12 0.00  
MONTH TO DATE 1.44 0.61 0.83 0.03  
SINCE DEC 1 4.14 2.64 1.50 4.79  
SINCE JAN 1 3.68 1.44 2.24 2.92  
 
SNOWFALL (IN)  
YESTERDAY 0.0 4.0 1898 0.3 -0.3 0.0  
MONTH TO DATE 11.8 5.4 6.4 0.2  
SINCE DEC 1 21.8 23.5 -1.7 14.4  
SINCE JUL 1 21.8 26.9 -5.1 14.4  
SNOW DEPTH 2  
 
DEGREE DAYS  
HEATING  
YESTERDAY 30 40 -10 19  
MONTH TO DATE 948 820 128 641  
SINCE DEC 1 3739 3591 148 3241  
SINCE JUL 1 5130 5074 56 4230  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE DEC 1 0 0 0 0  
SINCE JAN 1 0 0 0 0    
..............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 12 HIGHEST WIND DIRECTION N (20)  
HIGHEST GUST SPEED 17 HIGHEST GUST DIRECTION N (360)  
AVERAGE WIND SPEED 5.7  
 
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 1.0  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
FOG  
FOG W/VISIBILITY <= 1/4 MILE  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 100 800 AM  
LOWEST 76 1200 AM  
AVERAGE 88  
   
......................................................
 
 
 
THE WATERLOO IA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 34 60 1930  
MINIMUM TEMPERATURE (F) 17 -25 1929  
 
 
SUNRISE AND SUNSET  
FEBRUARY 20 2018......SUNRISE 659 AM CST SUNSET 548 PM CST  
FEBRUARY 21 2018......SUNRISE 658 AM CST SUNSET 549 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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