436  
CDUS45 KPIH 170730  
CLILLJ  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE POCATELLO ID  
130 AM MDT SUN SEP 17 2023  
   
...............................
 
 
   
..THE CHALLIS CLIMATE SUMMARY FOR SEPTEMBER 16 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 83 440 PM 89 1981 75 8 70  
MINIMUM 40 412 AM 23 1921 42 -2 44  
AVERAGE 62 58 4 57  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.38 1977 0.03 -0.03 T  
MONTH TO DATE 0.61 0.43 0.18 0.24  
SINCE OCT 1 8.70 6.51 2.19 6.59  
SINCE JAN 1 7.43 4.91 2.52 4.98  
 
SNOWFALL (IN)  
YESTERDAY MM  
MONTH TO DATE MM  
SINCE SEP 1 MM  
SINCE JUL 1 MM  
SNOW DEPTH MM  
 
DEGREE DAYS  
HEATING  
YESTERDAY 3 7 -4 8  
MONTH TO DATE 50 81 -31 52  
SINCE SEP 1 50 81 -31 52  
SINCE JUL 1 78 136 -58 52  
 
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 9 HIGHEST WIND DIRECTION NE (40)  
HIGHEST GUST SPEED 13 HIGHEST GUST DIRECTION NE (40)  
AVERAGE WIND SPEED 1.3  
 
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 79 400 AM  
LOWEST 15 400 PM  
AVERAGE 47  
   
......................................................
 
 
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 2023.....SUNRISE 718 AM MDT SUNSET 744 PM MDT  
SEPTEMBER 18 2023.....SUNRISE 719 AM MDT SUNSET 742 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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