155  
CDUS45 KPIH 170728  
CLILLJ  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE POCATELLO ID  
128 AM MDT WED SEP 17 2025  
   
...............................  
 
   
..THE CHALLIS CLIMATE SUMMARY FOR SEPTEMBER 16 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 71 451 PM 89 1981 75 -4 75  
MINIMUM 39 648 AM 23 1921 42 -3 52  
AVERAGE 55 58 -3 64  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.38 1977 0.03 -0.03 0.06  
MONTH TO DATE 0.74 0.43 0.31 0.26  
SINCE OCT 1 6.07 6.51 -0.44 5.21  
SINCE JAN 1 5.45 4.91 0.54 4.22  
 
DEGREE DAYS  
HEATING  
YESTERDAY 10 7 3 1  
MONTH TO DATE 75 81 -6 38  
SINCE SEP 1 75 81 -6 38  
SINCE JUL 1 89 136 -47 83  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 19 12 7 19  
SINCE SEP 1 19 12 7 19  
SINCE JAN 1 386 310 76 446    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 10 HIGHEST WIND DIRECTION NE (40)  
HIGHEST GUST SPEED 15 HIGHEST GUST DIRECTION W (280)  
AVERAGE WIND SPEED 3.1  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 93 600 AM  
LOWEST 31 400 PM  
AVERAGE 62  
   
......................................................  
 
THE CHALLIS CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 74 90 1929  
MINIMUM TEMPERATURE (F) 42 20 1965  
 
SUNRISE AND SUNSET  
SEPTEMBER 17 2025.....SUNRISE 719 AM MDT SUNSET 743 PM MDT  
SEPTEMBER 18 2025.....SUNRISE 720 AM MDT SUNSET 741 PM MDT  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 
 
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