646  
CDUS45 KPIH 200728  
CLILLJ  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE POCATELLO ID  
1228 AM MST SAT DEC 20 2025  
   
...............................  
 
   
..THE CHALLIS CLIMATE SUMMARY FOR DECEMBER 19 2025  
 
CLIMATE NORMAL PERIOD 1991 TO 2020  
CLIMATE RECORD PERIOD 1895 TO 2025  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................  
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 45 1106 AM 58 1917 28 17 36  
MINIMUM 26 1150 PM -29 1924 10 16 15  
AVERAGE 36 19 17 26  
 
PRECIPITATION (IN)  
YESTERDAY 0.05 0.36 2010 0.02 0.03 0.00  
MONTH TO DATE 0.31 0.32 -0.01 0.18  
SINCE OCT 1 1.37 1.40 -0.03 0.38  
SINCE JAN 1 7.32 6.73 0.59 4.70  
 
DEGREE DAYS  
HEATING  
YESTERDAY 29 46 -17 39  
MONTH TO DATE 561 842 -281 727  
SINCE DEC 1 561 842 -281 727  
SINCE JUL 1 2127 2766 -639 2322  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE DEC 1 0 0 0 0  
SINCE JAN 1 386 312 74 450    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 24 HIGHEST WIND DIRECTION NW (310)  
HIGHEST GUST SPEED 33 HIGHEST GUST DIRECTION S (180)  
AVERAGE WIND SPEED 11.9  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.9  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
LT FREEZING RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 96 1200 AM  
LOWEST 39 1000 PM  
AVERAGE 68  
   
......................................................  
 
THE CHALLIS CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 28 55 1917  
MINIMUM TEMPERATURE (F) 10 -26 1924  
 
SUNRISE AND SUNSET  
DECEMBER 20 2025......SUNRISE 810 AM MST SUNSET 500 PM MST  
DECEMBER 21 2025......SUNRISE 810 AM MST SUNSET 500 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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