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101 
CDUS43 KDMX 170647
CLIALO

CLIMATE REPORT 
NATIONAL WEATHER SERVICE DES MOINES IA
1247 AM CST SUN DEC 17 2023

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

...THE WATERLOO IA CLIMATE SUMMARY FOR DECEMBER 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         44    408 PM  63    1939  33     11       25       
  MINIMUM         38   1159 PM -20    1932  17     21       21       
  AVERAGE         41                        25     16       23     

PRECIPITATION (IN)                                                    
  YESTERDAY        0.11          0.90 1940   0.05   0.06     0.04     
  MONTH TO DATE    0.12                      0.79  -0.67     0.97     
  SINCE DEC 1      0.12                      0.79  -0.67     0.97     
  SINCE JAN 1     21.90                     35.64 -13.74    33.42     

SNOWFALL (IN)                                                              
  YESTERDAY        0.0           9.0  1940   0.4   -0.4      0.8      
  MONTH TO DATE    T                         4.8   -4.8      2.5      
  SINCE DEC 1      T                         4.8   -4.8      2.5      
  SINCE JUL 1      2.1                       8.2   -6.1      7.2      
  SNOW DEPTH       0                                                 

DEGREE DAYS                                                           
 HEATING                                                              
  YESTERDAY       24                        40    -16       42        
  MONTH TO DATE  495                       597   -102      552        
  SINCE DEC 1    495                       597   -102      552        
  SINCE JUL 1   1646                      1975   -329     1923        

 COOLING                                                              
  YESTERDAY        0                         0      0        0        
  MONTH TO DATE    0                         0      0        0        
  SINCE DEC 1      0                         0      0        0        
  SINCE JAN 1   1115                       916    199     1023        
...................................................................


WIND (MPH)                                                            
  HIGHEST WIND SPEED    15   HIGHEST WIND DIRECTION    NW (300)       
  HIGHEST GUST SPEED    18   HIGHEST GUST DIRECTION    NW (300)       
  AVERAGE WIND SPEED     5.3                                        


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    97          1000 PM                                      
 LOWEST     70           100 AM                                      
 AVERAGE    84                                                        

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


THE WATERLOO IA CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                     
 MAXIMUM TEMPERATURE (F)   33        58      1939                      
 MINIMUM TEMPERATURE (F)   17       -16      1914                      


SUNRISE AND SUNSET                                                    
DECEMBER 17 2023......SUNRISE   734 AM CST   SUNSET   438 PM CST     
DECEMBER 18 2023......SUNRISE   734 AM CST   SUNSET   438 PM CST     


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




$$