335  
CDUS43 KFSD 180639  
CLIHON  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SIOUX FALLS SD  
139 AM CDT TUE MAY 18 2021  
   
...............................
 
 
   
..THE HURON CLIMATE SUMMARY FOR MAY 17 2021
 
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1881 TO 2021  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 76 2:42 PM 104 1934 71 5 67  
MINIMUM 40 5:16 AM 28 1968 46 -6 46  
AVERAGE 58 58 0 57  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 2.27 1892 0.10 -0.10 0.00  
MONTH TO DATE 0.11 1.69 -1.58 1.26  
SINCE MAR 1 3.30 5.36 -2.06 2.66  
SINCE JAN 1 4.14 6.69 -2.55 4.20  
 
SNOWFALL (IN)  
YESTERDAY 0.0 0.0 MM 0.0 0.0 0.0  
MONTH TO DATE 0.0 0.0 0.0 0.0  
SINCE MAR 1 10.1 12.1 -2.0 4.1  
SINCE JUL 1 31.7 44.4 -12.7 51.2  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 7 8 -1 8  
MONTH TO DATE 216 176 40 232  
SINCE MAR 1 1534 1752 -218 1725  
SINCE JUL 1 7059 7563 -504 7598  
 
COOLING  
YESTERDAY 0 1 -1 0  
MONTH TO DATE 3 9 -6 3  
SINCE MAR 1 3 11 -8 3  
SINCE JAN 1 3 11 -8 3    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 22 HIGHEST WIND DIRECTION SE (130)  
HIGHEST GUST SPEED 33 HIGHEST GUST DIRECTION SE (150)  
AVERAGE WIND SPEED 10.3  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.4  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 97 4:00 AM  
LOWEST 41 2:00 PM  
AVERAGE 69  
   
......................................................
 
 
THE HURON CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 71 100 1934  
MINIMUM TEMPERATURE (F) 47 26 2002  
 
SUNRISE AND SUNSET  
MAY 18 2021...........SUNRISE 6:02 AM CDT SUNSET 8:57 PM CDT  
MAY 19 2021...........SUNRISE 6:01 AM CDT SUNSET 8:58 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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