156  
CDUS45 KPIH 160736  
CLILLJ  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE POCATELLO ID  
1236 AM MST WED DEC 16 2020  
   
...............................
 
 
   
..THE CHALLIS ID CLIMATE SUMMARY FOR DECEMBER 15 2020
 
 
CLIMATE NORMAL PERIOD 1981 TO 2010  
CLIMATE RECORD PERIOD 1895 TO 2020  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 22 424 PM 68 1897 27 -5 23  
MINIMUM 1 800 AM -19 1914 8 -7 2  
AVERAGE 12 17 -5 13  
 
PRECIPITATION (IN)  
YESTERDAY T 0.26 2016 0.02 -0.02 0.00  
MONTH TO DATE 0.22 0.37 -0.15 0.30  
SINCE OCT 1 1.03 1.56 -0.53 1.10  
SINCE JAN 1 6.75 9.69 -2.94 6.62  
 
SNOWFALL (IN)  
YESTERDAY MM  
MONTH TO DATE MM  
SINCE DEC 1 MM  
SINCE JUL 1 MM  
SNOW DEPTH MM  
 
DEGREE DAYS  
HEATING  
YESTERDAY 53 48 5 52  
MONTH TO DATE 675 683 -8 665  
SINCE DEC 1 675 683 -8 665  
SINCE JUL 1 2423 2726 -303 2794  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE DEC 1 0 0 0 0  
SINCE JAN 1 428 248 180 339    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 8 HIGHEST WIND DIRECTION SW (220)  
HIGHEST GUST SPEED 9 HIGHEST GUST DIRECTION SW (230)  
AVERAGE WIND SPEED 2.1  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.9  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
FOG  
FOG W/VISIBILITY <= 1/4 MILE  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 87 800 AM  
LOWEST 65 400 PM  
AVERAGE 76  
   
......................................................
 
 
THE CHALLIS ID CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 27 64 1897  
MINIMUM TEMPERATURE (F) 8 -20 1914  
 
SUNRISE AND SUNSET  
DECEMBER 16 2020......SUNRISE 808 AM MST SUNSET 458 PM MST  
DECEMBER 17 2020......SUNRISE 808 AM MST SUNSET 458 PM MST  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 

 
 
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