263  
CDUS43 KDMX 210652  
CLIALO  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE DES MOINES IA  
152 AM CDT FRI APR 21 2023  
   
...............................
 
 
   
..THE WATERLOO IA CLIMATE SUMMARY FOR APRIL 20 2023
 
 
CLIMATE NORMAL PERIOD 1991 TO 2020  
CLIMATE RECORD PERIOD 1895 TO 2023  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 61 1208 PM 89 1987 63 -2 50  
MINIMUM 39 1147 PM 21 2018 40 -1 45  
AVERAGE 50 51 -1 48  
 
PRECIPITATION (IN)  
YESTERDAY 0.38 2.65 1979 0.15 0.23 0.42  
MONTH TO DATE 1.19 2.54 -1.35 1.25  
SINCE MAR 1 2.89 4.52 -1.63 4.70  
SINCE JAN 1 7.20 6.76 0.44 5.53  
 
SNOWFALL (IN)  
YESTERDAY 0.0 3.0 1993 0.1 -0.1 0.0  
MONTH TO DATE T 1.4 -1.4 3.3  
SINCE MAR 1 8.7 6.0 2.7 7.7  
SINCE JUL 1 38.5 38.7 -0.2 24.1  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 15 14 1 17  
MONTH TO DATE 263 354 -91 473  
SINCE MAR 1 1188 1233 -45 1344  
SINCE JUL 1 6239 6403 -164 6341  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 18 0 18 0  
SINCE MAR 1 18 1 17 0  
SINCE JAN 1 18 1 17 0    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 29 HIGHEST WIND DIRECTION W (280)  
HIGHEST GUST SPEED 38 HIGHEST GUST DIRECTION W (260)  
AVERAGE WIND SPEED 12.8  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
THUNDERSTORM  
HEAVY RAIN  
RAIN  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 93 800 AM  
LOWEST 63 600 PM  
AVERAGE 78  
   
......................................................
 
 
THE WATERLOO IA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 63 93 1980  
MINIMUM TEMPERATURE (F) 40 20 2021  
 
SUNRISE AND SUNSET  
APRIL 21 2023.........SUNRISE 619 AM CDT SUNSET 758 PM CDT  
APRIL 22 2023.........SUNRISE 618 AM CDT SUNSET 759 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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