648  
CDUS45 KPIH 180728  
CLILLJ  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE POCATELLO ID  
128 AM MDT THU SEP 18 2025  
   
...............................
 
 
   
..THE CHALLIS CLIMATE SUMMARY FOR SEPTEMBER 17 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 76 457 PM 90 1929 74 2 62  
MINIMUM 41 603 AM 20 1965 42 -1 49  
AVERAGE 59 58 1 56  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.79 1946 0.03 -0.03 0.08  
MONTH TO DATE 0.74 0.46 0.28 0.34  
SINCE OCT 1 6.07 6.54 -0.47 5.29  
SINCE JAN 1 5.45 4.94 0.51 4.30  
 
DEGREE DAYS  
HEATING  
YESTERDAY 6 7 -1 9  
MONTH TO DATE 81 88 -7 47  
SINCE SEP 1 81 88 -7 47  
SINCE JUL 1 95 143 -48 92  
 
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 7 HIGHEST WIND DIRECTION W (280)  
HIGHEST GUST SPEED 9 HIGHEST GUST DIRECTION SE (140)  
AVERAGE WIND SPEED 1.8  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 85 700 AM  
LOWEST 22 200 PM  
AVERAGE 54  
   
......................................................
 
 
THE CHALLIS CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 74 90 1981  
MINIMUM TEMPERATURE (F) 41 17 1965  
 
SUNRISE AND SUNSET  
SEPTEMBER 18 2025.....SUNRISE 720 AM MDT SUNSET 741 PM MDT  
SEPTEMBER 19 2025.....SUNRISE 721 AM MDT SUNSET 739 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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