989  
CDUS43 KDMX 210629  
CLIALO  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE DES MOINES IA  
129 AM CDT SUN MAY 21 2023  
   
...............................
 
 
   
..THE WATERLOO IA CLIMATE SUMMARY FOR MAY 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 75 308 PM 97 1934 74 1 73  
MINIMUM 43 353 AM 31 1924 52 -9 52  
1954  
AVERAGE 59 63 -4 63  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.28 1933 0.15 -0.15 T  
MONTH TO DATE 1.57 2.84 -1.27 2.47  
SINCE MAR 1 4.50 8.86 -4.36 9.95  
SINCE JAN 1 8.81 11.10 -2.29 10.78  
 
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 8.7 6.4 2.3 7.7  
SINCE JUL 1 38.5 39.1 -0.6 24.1  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 6 4 2 2  
MONTH TO DATE 73 140 -67 118  
SINCE MAR 1 1452 1494 -42 1600  
SINCE JUL 1 6503 6664 -161 6597  
 
COOLING  
YESTERDAY 0 2 -2 0  
MONTH TO DATE 35 27 8 71  
SINCE MAR 1 53 35 18 74  
SINCE JAN 1 53 35 18 74    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION NE (60)  
HIGHEST GUST SPEED 19 HIGHEST GUST DIRECTION N (20)  
AVERAGE WIND SPEED 4.8  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 82 500 AM  
LOWEST 29 500 PM  
AVERAGE 56  
   
......................................................
 
 
THE WATERLOO IA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 75 93 1934  
MINIMUM TEMPERATURE (F) 52 33 1931  
 
SUNRISE AND SUNSET  
MAY 21 2023...........SUNRISE 542 AM CDT SUNSET 831 PM CDT  
MAY 22 2023...........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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