437  
CDUS45 KPIH 180832  
CLILLJ  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE POCATELLO ID  
132 AM MST FRI DEC 18 2020  
   
...............................
 
 
   
..THE CHALLIS ID CLIMATE SUMMARY FOR DECEMBER 17 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 34 429 PM 65 1897 27 7 18  
MINIMUM 21 651 PM -22 1914 8 13 -4  
AVERAGE 28 17 11 7  
 
PRECIPITATION (IN)  
YESTERDAY 0.03 0.26 2012 0.02 0.01 0.00  
MONTH TO DATE 0.25 0.42 -0.17 0.30  
SINCE OCT 1 1.06 1.61 -0.55 1.10  
SINCE JAN 1 6.78 9.74 -2.96 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 37 48 -11 58  
MONTH TO DATE 759 779 -20 777  
SINCE DEC 1 759 779 -20 777  
SINCE JUL 1 2507 2822 -315 2906  
 
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 12 HIGHEST WIND DIRECTION NE (50)  
HIGHEST GUST SPEED 16 HIGHEST GUST DIRECTION NE (60)  
AVERAGE WIND SPEED 3.8  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.9  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT SNOW  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 92 600 AM  
LOWEST 71 200 AM  
AVERAGE 82  
   
......................................................
 
 
THE CHALLIS ID CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 27 66 1897  
MINIMUM TEMPERATURE (F) 8 -23 2016  
 
SUNRISE AND SUNSET  
DECEMBER 18 2020......SUNRISE 809 AM MST SUNSET 459 PM MST  
DECEMBER 19 2020......SUNRISE 809 AM MST SUNSET 459 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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