918  
CDUS43 KDMX 210631  
CLIALO  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE DES MOINES IA  
128 AM CDT TUE MAY 21 2019  
 
   
...............................
 
 
   
..THE WATERLOO IA CLIMATE SUMMARY FOR MAY 20 2019
 
 
CLIMATE NORMAL PERIOD 1981 TO 2010  
CLIMATE RECORD PERIOD 1895 TO 2019  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
..............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 60 330 PM 97 1934 73 -13 59  
MINIMUM 41 304 AM 31 1954 51 -10 52  
1924  
AVERAGE 51 62 -11 56  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.28 1933 0.15 -0.15 T  
MONTH TO DATE 3.46 2.86 0.60 1.42  
SINCE MAR 1 8.47 8.63 -0.16 4.82  
SINCE JAN 1 12.64 10.45 2.19 9.30  
 
SNOWFALL (IN)  
YESTERDAY 0.0 MM MM 0.0 0.0 0.0  
MONTH TO DATE 0.0 0.0 0.0 0.0  
SINCE MAR 1 2.4 6.4 -4.0 23.5  
SINCE JUL 1 60.0 35.3 24.7 45.6  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 14 5 9 9  
MONTH TO DATE 220 148 72 75  
SINCE MAR 1 1732 1545 187 1878  
SINCE JUL 1 7471 6964 507 7321  
 
COOLING  
YESTERDAY 0 2 -2 0  
MONTH TO DATE 11 24 -13 15  
SINCE MAR 1 15 32 -17 16  
SINCE JAN 1 15 32 -17 16    
..............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 21 HIGHEST WIND DIRECTION N (360)  
HIGHEST GUST SPEED 27 HIGHEST GUST DIRECTION N (20)  
AVERAGE WIND SPEED 11.5  
 
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.5  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 79 100 AM  
LOWEST 47 200 PM  
AVERAGE 63  
   
......................................................
 
 
 
THE WATERLOO IA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 74 93 1934  
MINIMUM TEMPERATURE (F) 51 33 1931  
 
 
SUNRISE AND SUNSET  
MAY 21 2019...........SUNRISE 542 AM CDT SUNSET 831 PM CDT  
MAY 22 2019...........SUNRISE 541 AM CDT SUNSET 832 PM CDT  
 
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 

 
 
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