892  
CDUS43 KDMX 180627  
CLIDSM  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE DES MOINES IA  
126 AM CDT FRI SEP 18 2020  
   
...............................
 
 
   
..THE DES MOINES IA CLIMATE SUMMARY FOR SEPTEMBER 17 2020
 
 
CLIMATE NORMAL PERIOD 1981 TO 2010  
CLIMATE RECORD PERIOD 1878 TO 2020  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
..............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 71 341 PM 95 1925 76 -5 90  
MINIMUM 52 629 AM 37 1901 55 -3 70  
AVERAGE 62 65 -3 80  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.52 1919 0.10 -0.10 0.00  
MONTH TO DATE 3.67 1.82 1.85 3.10  
SINCE SEP 1 3.67 1.82 1.85 3.10  
SINCE JAN 1 25.63 28.54 -2.91 37.52  
 
SNOWFALL (IN)  
YESTERDAY 0.0 MM MM 0.0 0.0 0.0  
MONTH TO DATE 0.0 0.0 0.0 0.0  
SINCE SEP 1 0.0 0.0 0.0 0.0  
SINCE JUL 1 0.0 0.0 0.0 0.0  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 3 3 0 0  
MONTH TO DATE 62 28 34 0  
SINCE SEP 1 62 28 34 0  
SINCE JUL 1 62 34 28 2  
 
COOLING  
YESTERDAY 0 3 -3 15  
MONTH TO DATE 57 85 -28 143  
SINCE SEP 1 57 85 -28 143  
SINCE JAN 1 1156 1024 132 1081    
..............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION NE (40)  
HIGHEST GUST SPEED 20 HIGHEST GUST DIRECTION NE (60)  
AVERAGE WIND SPEED 7.5  
 
 
SKY COVER  
AVERAGE SKY COVER 0.7  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 83 300 AM  
LOWEST 34 300 PM  
AVERAGE 59  
   
......................................................
 
 
 
THE DES MOINES IA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 75 94 1895  
MINIMUM TEMPERATURE (F) 54 36 1916  
1901  
 
 
SUNRISE AND SUNSET  
SEPTEMBER 18 2020.....SUNRISE 658 AM CDT SUNSET 718 PM CDT  
SEPTEMBER 19 2020.....SUNRISE 700 AM CDT SUNSET 716 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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