315  
CDUS43 KDMX 170637  
CLIALO  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE DES MOINES IA  
137 AM CDT MON APR 17 2023  
   
...............................
 
 
   
..THE WATERLOO IA CLIMATE SUMMARY FOR APRIL 16 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 40 1214 AM 88 2002 61 -21 45  
2004  
MINIMUM 33 657 PM 19 1904 38 -5 23  
1949  
2020  
AVERAGE 37 50 -13 34  
 
PRECIPITATION (IN)  
YESTERDAY 0.07 1.14 1945 0.15 -0.08 0.00  
MONTH TO DATE 0.70 1.95 -1.25 0.83  
SINCE MAR 1 2.40 3.93 -1.53 4.28  
SINCE JAN 1 6.71 6.17 0.54 5.11  
 
SNOWFALL (IN)  
YESTERDAY T 4.7 1921 0.1 -0.1 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 28 16 12 31  
MONTH TO DATE 195 296 -101 366  
SINCE MAR 1 1120 1175 -55 1237  
SINCE JUL 1 6171 6345 -174 6234  
 
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 47 HIGHEST GUST DIRECTION NW (310)  
AVERAGE WIND SPEED 20.7  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT SNOW  
FOG  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 89 1200 PM  
LOWEST 75 300 PM  
AVERAGE 82  
   
......................................................
 
 
THE WATERLOO IA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 62 85 1985  
MINIMUM TEMPERATURE (F) 38 14 1921  
 
SUNRISE AND SUNSET  
APRIL 17 2023.........SUNRISE 625 AM CDT SUNSET 754 PM CDT  
APRIL 18 2023.........SUNRISE 624 AM CDT SUNSET 755 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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