638  
CDUS43 KDMX 180641  
CLIALO  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE DES MOINES IA  
141 AM CDT TUE APR 18 2023  
   
...............................
 
 
   
..THE WATERLOO IA CLIMATE SUMMARY FOR APRIL 17 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 57 419 PM 85 1985 62 -5 45  
MINIMUM 35 1153 PM 14 1921 38 -3 20  
AVERAGE 46 50 -4 33  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.62 2013 0.14 -0.14 0.00  
MONTH TO DATE 0.70 2.09 -1.39 0.83  
SINCE MAR 1 2.40 4.07 -1.67 4.28  
SINCE JAN 1 6.71 6.31 0.40 5.11  
 
SNOWFALL (IN)  
YESTERDAY 0.0 3.0 1960 0.0 0.0 0.0  
MONTH TO DATE T 1.2 -1.2 3.3  
SINCE MAR 1 8.7 5.8 2.9 7.7  
SINCE JUL 1 38.5 38.5 0.0 24.1  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 19 15 4 32  
MONTH TO DATE 214 311 -97 398  
SINCE MAR 1 1139 1190 -51 1269  
SINCE JUL 1 6190 6360 -170 6266  
 
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 35 HIGHEST WIND DIRECTION NW (320)  
HIGHEST GUST SPEED 44 HIGHEST GUST DIRECTION NW (320)  
AVERAGE WIND SPEED 19.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 78 1200 AM  
LOWEST 32 500 PM  
AVERAGE 55  
   
......................................................
 
 
THE WATERLOO IA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 62 92 1994  
MINIMUM TEMPERATURE (F) 39 20 1983  
 
SUNRISE AND SUNSET  
APRIL 18 2023.........SUNRISE 624 AM CDT SUNSET 755 PM CDT  
APRIL 19 2023.........SUNRISE 622 AM CDT SUNSET 756 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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