802  
CDUS43 KDMX 270627  
CLIALO  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE DES MOINES IA  
127 AM CDT WED MAY 27 2026  
   
...............................
 
 
   
..THE WATERLOO IA CLIMATE SUMMARY FOR MAY 26 2026
 
 
CLIMATE NORMAL PERIOD 1991 TO 2020  
CLIMATE RECORD PERIOD 1895 TO 2026  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 88 MM 94 1967 77 11 72  
MINIMUM 61 MM 33 1961 54 7 44  
AVERAGE 75 65 10 58  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.61 1986 0.16 -0.16 0.00  
MONTH TO DATE 2.03 3.78 -1.75 2.25  
SINCE MAR 1 10.03 9.80 0.23 10.38  
SINCE JAN 1 12.43 12.04 0.39 10.92  
 
SNOWFALL (IN)  
YESTERDAY 0.0 MM MM 0.0 0.0 0.0  
MONTH TO DATE 0.0 0.1 -0.1 0.0  
SINCE MAR 1 2.1 6.4 -4.3 4.2  
SINCE JUL 1 33.6 39.1 -5.5 17.1  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 3 -3 7  
MONTH TO DATE 197 161 36 145  
SINCE MAR 1 1303 1515 -212 1234  
SINCE JUL 1 6362 6685 -323 5979  
 
COOLING  
YESTERDAY 10 3 7 0  
MONTH TO DATE 48 45 3 33  
SINCE MAR 1 60 53 7 42  
SINCE JAN 1 60 53 7 42    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 12 HIGHEST WIND DIRECTION S (200)  
HIGHEST GUST SPEED 17 HIGHEST GUST DIRECTION SW (210)  
AVERAGE WIND SPEED 7.8  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 69 400 AM  
LOWEST 28 600 PM  
AVERAGE 49  
   
......................................................
 
 
THE WATERLOO IA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 77 97 2018  
MINIMUM TEMPERATURE (F) 55 32 1971  
 
SUNRISE AND SUNSET  
MAY 27 2026...........SUNRISE 538 AM CDT SUNSET 837 PM CDT  
MAY 28 2026...........SUNRISE 537 AM CDT SUNSET 837 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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