947  
CDUS45 KPIH 210737  
CLILLJ  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE POCATELLO ID  
137 AM MDT THU SEP 21 2023  
   
...............................
 
 
   
..THE CHALLIS CLIMATE SUMMARY FOR SEPTEMBER 20 2023
 
 
CLIMATE NORMAL PERIOD 1991 TO 2020  
CLIMATE RECORD PERIOD 1895 TO 2023  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 71 414 PM 90 1928 73 -2 78  
MINIMUM 35 423 AM 21 1983 41 -6 41  
AVERAGE 53 57 -4 60  
 
PRECIPITATION (IN)  
YESTERDAY T 1.10 1968 0.03 -0.03 T  
MONTH TO DATE 0.61 0.55 0.06 0.25  
SINCE OCT 1 8.70 6.63 2.07 6.60  
SINCE JAN 1 7.43 5.03 2.40 4.99  
 
SNOWFALL (IN)  
YESTERDAY MM  
MONTH TO DATE MM  
SINCE SEP 1 MM  
SINCE JUL 1 MM  
SNOW DEPTH MM  
 
DEGREE DAYS  
HEATING  
YESTERDAY 12 8 4 5  
MONTH TO DATE 74 112 -38 84  
SINCE SEP 1 74 112 -38 84  
SINCE JUL 1 102 167 -65 84  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 7 12 -5 60  
SINCE SEP 1 7 12 -5 60  
SINCE JAN 1 334 310 24 515    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 31 HIGHEST WIND DIRECTION SW (240)  
HIGHEST GUST SPEED 47 HIGHEST GUST DIRECTION SW (240)  
AVERAGE WIND SPEED 4.2  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.3  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 64 600 AM  
LOWEST 18 200 PM  
AVERAGE 41  
   
......................................................
 
 
THE CHALLIS CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 72 89 1928  
MINIMUM TEMPERATURE (F) 41 23 1914  
1983  
 
SUNRISE AND SUNSET  
SEPTEMBER 21 2023.....SUNRISE 723 AM MDT SUNSET 736 PM MDT  
SEPTEMBER 22 2023.....SUNRISE 724 AM MDT SUNSET 735 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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