764  
CDUS43 KFSD 170629  
CLISUX  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SIOUX FALLS SD  
129 AM CDT SAT APR 17 2021  
   
...............................
 
 
   
..THE SIOUX CITY IA CLIMATE SUMMARY FOR APRIL 16 2021
 
 
CLIMATE NORMAL PERIOD: 1981 TO 2010  
CLIMATE RECORD PERIOD: 1889 TO 2021  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 49 12:28 PM 90 2004 63 -14 43  
MINIMUM 38 4:03 AM 20 1904 37 1 32  
2018  
AVERAGE 44 50 -6 38  
 
PRECIPITATION (IN)  
YESTERDAY T 1.24 1938 0.10 -0.10 0.00  
MONTH TO DATE 1.16 1.46 -0.30 0.51  
SINCE MAR 1 4.78 3.46 1.32 3.76  
SINCE JAN 1 6.93 4.75 2.18 4.97  
 
SNOWFALL (IN)  
YESTERDAY 0.0 0.7 1999 0.0 0.0 0.0  
MONTH TO DATE 0.0 1.3 -1.3 3.8  
SINCE MAR 1 1.5 7.8 -6.3 9.6  
SINCE JUL 1 37.8 34.3 3.5 36.0  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 21 15 6 27  
MONTH TO DATE 246 297 -51 381  
SINCE MAR 1 935 1181 -246 1130  
SINCE JUL 1 6217 6475 -258 6279  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 5 0 5 0  
SINCE MAR 1 5 0 5 0  
SINCE JAN 1 5 0 5 0    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION N (340)  
HIGHEST GUST SPEED 17 HIGHEST GUST DIRECTION NW (330)  
AVERAGE WIND SPEED 7.2  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 1.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 86 11:00 PM  
LOWEST 56 3:00 PM  
AVERAGE 71  
   
......................................................
 
 
THE SIOUX CITY IA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 63 88 1985  
MINIMUM TEMPERATURE (F) 37 20 1907  
1997  
 
SUNRISE AND SUNSET  
APRIL 17 2021.........SUNRISE 6:41 AM CDT SUNSET 8:10 PM CDT  
APRIL 18 2021.........SUNRISE 6:39 AM CDT SUNSET 8:11 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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