AFOS product CLIDSM
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CDUS43 KDMX 180656
CLIDSM

CLIMATE REPORT
NATIONAL WEATHER SERVICE DES MOINES IA                               
1245 AM CST MON DEC 18 2017


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

...THE DES MOINES IA CLIMATE SUMMARY FOR DECEMBER 17 2017...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1878 TO 2017


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST     
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR     
                                                  NORMAL             
..................................................................
TEMPERATURE (F)                                                     
 YESTERDAY                                                           
  MAXIMUM         39    145 PM  64    1939  33      6       22       
  MINIMUM         29   1159 PM  -9    1964  17     12       -4       
  AVERAGE         34                        25      9        9      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.02          0.44 1895   0.05  -0.03     0.07    
  MONTH TO DATE    0.04                      0.86  -0.82     0.68    
  SINCE DEC 1      0.04                      0.86  -0.82     0.68    
  SINCE JAN 1     29.82                     35.46  -5.64    33.80    
                                                                     
SNOWFALL (IN)                                                        
  YESTERDAY       MM             2.8  1951   0.3   MM        1.7     
  MONTH TO DATE    T                         5.0   -5.0      3.4     
  SINCE DEC 1      T                         5.0   -5.0      3.4     
  SINCE JUL 1      T                         7.9   -7.9      3.4     
  SNOW DEPTH       0                                                 
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY       31                        40     -9       56       
  MONTH TO DATE  507                       633   -126      685       
  SINCE DEC 1    507                       633   -126      685       
  SINCE JUL 1   1562                      1891   -329     1368       
                                                                     
 COOLING                                                             
  YESTERDAY        0                         0      0        0       
  MONTH TO DATE    0                         0      0        0       
  SINCE DEC 1      0                         0      0        0       
  SINCE JAN 1   1306                      1066    240     1448       
..................................................................


WIND (MPH)                                                           
  HIGHEST WIND SPEED     9   HIGHEST WIND DIRECTION     W (250)      
  HIGHEST GUST SPEED    11   HIGHEST GUST DIRECTION    NE (40)       
  AVERAGE WIND SPEED     4.3                                         

                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.9                                              

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

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    85          1000 PM                                     
 LOWEST     69           100 AM                                     
 AVERAGE    77                                                       

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

                                                                     
THE DES MOINES IA CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   33        64      1976                    
 MINIMUM TEMPERATURE (F)   17       -16      1985                    
                                             1983                    

                                                                     
SUNRISE AND SUNSET                                                   
DECEMBER 18 2017......SUNRISE   736 AM CST   SUNSET   447 PM CST   
DECEMBER 19 2017......SUNRISE   737 AM CST   SUNSET   447 PM CST   

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




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