286  
CDUS43 KDMX 170636  
CLIDSM  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE DES MOINES IA  
1236 AM CST WED DEC 17 2025  
   
...............................  
 
   
..THE DES MOINES IA CLIMATE SUMMARY FOR DECEMBER 16 2025  
 
CLIMATE NORMAL PERIOD 1991 TO 2020  
CLIMATE RECORD PERIOD 1878 TO 2025  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................  
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 47 311 PM 62 1939 36 11 49  
MINIMUM 22 432 AM -15 1932 19 3 30  
AVERAGE 35 27 8 40  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.63 1921 0.05 -0.05 0.00  
MONTH TO DATE 0.48 0.89 -0.41 0.26  
SINCE DEC 1 0.48 0.89 -0.41 0.26  
SINCE JAN 1 34.83 35.86 -1.03 35.09  
 
SNOWFALL (IN)  
YESTERDAY 0.0 4.3 1904 0.3 -0.3 0.0  
MONTH TO DATE 7.0 3.9 3.1 1.9  
SINCE DEC 1 7.0 3.9 3.1 1.9  
SINCE JUL 1 18.0 7.1 10.9 1.9  
SNOW DEPTH 3  
 
DEGREE DAYS  
HEATING  
YESTERDAY 30 38 -8 25  
MONTH TO DATE 702 562 140 589  
SINCE DEC 1 702 562 140 589  
SINCE JUL 1 1684 1809 -125 1453  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE DEC 1 0 0 0 0  
SINCE JAN 1 1272 1071 201 1318    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION NW (320)  
HIGHEST GUST SPEED 21 HIGHEST GUST DIRECTION NW (310)  
AVERAGE WIND SPEED 8.0  
 
SKY COVER  
AVERAGE SKY COVER 0.4  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 88 200 AM  
LOWEST 56 300 PM  
AVERAGE 72  
   
......................................................  
 
THE DES MOINES IA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 35 64 1939  
MINIMUM TEMPERATURE (F) 19 -9 1964  
 
SUNRISE AND SUNSET  
DECEMBER 17 2025......SUNRISE 736 AM CST SUNSET 446 PM CST  
DECEMBER 18 2025......SUNRISE 736 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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