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641 
CDUS43 KDMX 220639
CLIALO

CLIMATE REPORT 
NATIONAL WEATHER SERVICE DES MOINES IA
139 AM CDT THU MAY 22 2025

...................................

...THE WATERLOO IA CLIMATE SUMMARY FOR MAY 21 2025...

CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1895 TO 2025


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST      
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR     
                                                  NORMAL           
...................................................................
TEMPERATURE (F)                                                          
 YESTERDAY                                                           
  MAXIMUM         55   1129 AM  93    1934  75    -20       78       
  MINIMUM         48    757 AM  33    1931  52     -4       57       
  AVERAGE         52                        64    -12       68     

PRECIPITATION (IN)                                                    
  YESTERDAY        0.18          2.79 2024   0.15   0.03     2.79     
  MONTH TO DATE    2.25                      2.99  -0.74     8.53     
  SINCE MAR 1     10.38                      9.01   1.37    15.01     
  SINCE JAN 1     10.92                     11.25  -0.33    17.73     

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      4.2                       6.4   -2.2      4.9      
  SINCE JUL 1     17.1                      39.1  -22.0     32.3      
  SNOW DEPTH       0                                                 

DEGREE DAYS                                                           
 HEATING                                                              
  YESTERDAY       13                         4      9        0        
  MONTH TO DATE  109                       144    -35       74        
  SINCE MAR 1   1198                      1498   -300     1225        
  SINCE JUL 1   5943                      6668   -725     5447        

 COOLING                                                              
  YESTERDAY        0                         3     -3        3        
  MONTH TO DATE   33                        30      3       25        
  SINCE MAR 1     42                        38      4       29        
  SINCE JAN 1     42                        38      4       29        
...................................................................


WIND (MPH)                                                            
  HIGHEST WIND SPEED    20   HIGHEST WIND DIRECTION     W (290)       
  HIGHEST GUST SPEED    25   HIGHEST GUST DIRECTION     W (280)       
  AVERAGE WIND SPEED     9.1                                        


WEATHER CONDITIONS                                                    
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                         
  RAIN                                                                
  LIGHT RAIN                                                          
  FOG                                                                 


RELATIVE HUMIDITY (PERCENT)
 HIGHEST   100           200 AM                                      
 LOWEST     80          1000 AM                                      
 AVERAGE    90                                                        

..........................................................


THE WATERLOO IA CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                     
 MAXIMUM TEMPERATURE (F)   75       101      1925                      
 MINIMUM TEMPERATURE (F)   53        32      1963                      


SUNRISE AND SUNSET                                                    
MAY 22 2025...........SUNRISE   541 AM CDT   SUNSET   832 PM CDT     
MAY 23 2025...........SUNRISE   540 AM CDT   SUNSET   833 PM CDT     


-  INDICATES NEGATIVE NUMBERS.
R  INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T  INDICATES TRACE AMOUNT.




$$