178  
CDUS43 KDMX 160629  
CLIALO  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE DES MOINES IA  
129 AM CDT TUE MAY 16 2023  
   
...............................
 
 
   
..THE WATERLOO IA CLIMATE SUMMARY FOR MAY 15 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 73 445 PM 92 2001 73 0 77  
MINIMUM 52 640 AM 32 2004 50 2 52  
2016  
AVERAGE 63 61 2 65  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.13 1986 0.14 -0.14 0.00  
MONTH TO DATE 1.57 2.09 -0.52 2.31  
SINCE MAR 1 4.50 8.11 -3.61 9.79  
SINCE JAN 1 8.81 10.35 -1.54 10.62  
 
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 2 6 -4 0  
MONTH TO DATE 55 116 -61 108  
SINCE MAR 1 1434 1470 -36 1590  
SINCE JUL 1 6485 6640 -155 6587  
 
COOLING  
YESTERDAY 0 2 -2 0  
MONTH TO DATE 28 17 11 63  
SINCE MAR 1 46 25 21 66  
SINCE JAN 1 46 25 21 66    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION E (70)  
HIGHEST GUST SPEED 21 HIGHEST GUST DIRECTION NE (60)  
AVERAGE WIND SPEED 6.4  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 83 1200 AM  
LOWEST 29 300 PM  
AVERAGE 56  
   
......................................................
 
 
THE WATERLOO IA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 73 92 1936  
MINIMUM TEMPERATURE (F) 50 30 1921  
1929  
 
SUNRISE AND SUNSET  
MAY 16 2023...........SUNRISE 547 AM CDT SUNSET 826 PM CDT  
MAY 17 2023...........SUNRISE 546 AM CDT SUNSET 827 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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