354  
CDUS43 KDMX 110630  
CLIALO  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE DES MOINES IA  
130 AM CDT MON MAY 11 2026  
   
...............................  
 
   
..THE WATERLOO IA CLIMATE SUMMARY FOR MAY 10 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 72 346 PM 93 2011 71 1 85  
MINIMUM 35 521 AM 29 1966 48 -13 51  
AVERAGE 54 59 -5 68  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.47 1967 0.14 -0.14 0.00  
MONTH TO DATE 0.00 1.38 -1.38 0.11  
SINCE MAR 1 8.00 7.40 0.60 8.24  
SINCE JAN 1 10.40 9.64 0.76 8.78  
 
SNOWFALL (IN)  
YESTERDAY 0.0 2.0 1945 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 11 7 4 0  
MONTH TO DATE 129 85 44 59  
SINCE MAR 1 1235 1439 -204 1148  
SINCE JUL 1 6294 6609 -315 5893  
 
COOLING  
YESTERDAY 0 1 -1 3  
MONTH TO DATE 0 9 -9 6  
SINCE MAR 1 12 17 -5 15  
SINCE JAN 1 12 17 -5 15    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 25 HIGHEST WIND DIRECTION NW (300)  
HIGHEST GUST SPEED 32 HIGHEST GUST DIRECTION NW (300)  
AVERAGE WIND SPEED 9.3  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 67 200 AM  
LOWEST 18 500 PM  
AVERAGE 43  
   
......................................................  
 
THE WATERLOO IA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 71 93 2022  
MINIMUM TEMPERATURE (F) 48 27 1925  
 
SUNRISE AND SUNSET  
MAY 11 2026...........SUNRISE 552 AM CDT SUNSET 821 PM CDT  
MAY 12 2026...........SUNRISE 551 AM CDT SUNSET 822 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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