464  
CDUS43 KDMX 190631  
CLIALO  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE DES MOINES IA  
131 AM CDT FRI MAY 19 2023  
   
...............................
 
 
   
..THE WATERLOO IA CLIMATE SUMMARY FOR MAY 18 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 85 324 PM 98 1934 74 11 76  
MINIMUM 54 546 AM 32 2002 51 3 54  
AVERAGE 70 62 8 65  
 
PRECIPITATION (IN)  
YESTERDAY T 1.92 1902 0.15 -0.15 0.13  
MONTH TO DATE 1.57 2.54 -0.97 2.46  
SINCE MAR 1 4.50 8.56 -4.06 9.94  
SINCE JAN 1 8.81 10.80 -1.99 10.77  
 
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 0 5 -5 0  
MONTH TO DATE 58 131 -73 116  
SINCE MAR 1 1437 1485 -48 1598  
SINCE JUL 1 6488 6655 -167 6595  
 
COOLING  
YESTERDAY 5 2 3 0  
MONTH TO DATE 35 23 12 63  
SINCE MAR 1 53 31 22 66  
SINCE JAN 1 53 31 22 66    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 22 HIGHEST WIND DIRECTION NW (320)  
HIGHEST GUST SPEED 30 HIGHEST GUST DIRECTION NW (330)  
AVERAGE WIND SPEED 9.8  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 72 1000 PM  
LOWEST 31 400 PM  
AVERAGE 52  
   
......................................................
 
 
THE WATERLOO IA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 74 98 1934  
MINIMUM TEMPERATURE (F) 52 29 1929  
 
SUNRISE AND SUNSET  
MAY 19 2023...........SUNRISE 544 AM CDT SUNSET 829 PM CDT  
MAY 20 2023...........SUNRISE 543 AM CDT SUNSET 830 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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