320  
CDUS45 KPIH 170737  
CLILLJ  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE POCATELLO ID  
136 AM MDT THU SEP 17 2020  
 
   
...............................
 
 
   
..THE CHALLIS ID CLIMATE SUMMARY FOR SEPTEMBER 16 2020
 
 
CLIMATE NORMAL PERIOD 1981 TO 2010  
CLIMATE RECORD PERIOD 1895 TO 2020  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
..............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 84 451 PM 89 1981 73 11 81  
MINIMUM 43 652 AM 23 1921 39 4 42  
AVERAGE 64 56 8 62  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.38 1977 0.02 -0.02 0.00  
MONTH TO DATE T 0.42 -0.42 0.48  
SINCE OCT 1 7.18 9.74 -2.56 6.38  
SINCE JAN 1 5.68 7.81 -2.13 5.29  
 
SNOWFALL (IN)  
YESTERDAY MM  
MONTH TO DATE MM  
SINCE SEP 1 MM  
SINCE JUL 1 MM  
SNOW DEPTH MM  
 
DEGREE DAYS  
HEATING  
YESTERDAY 1 9 -8 3  
MONTH TO DATE 46 109 -63 60  
SINCE SEP 1 46 109 -63 60  
SINCE JUL 1 82 182 -100 76  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 31 4 27 32  
SINCE SEP 1 31 4 27 32  
SINCE JAN 1 428 246 182 339    
..............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 10 HIGHEST WIND DIRECTION NW (310)  
HIGHEST GUST SPEED 13 HIGHEST GUST DIRECTION NW (310)  
AVERAGE WIND SPEED 1.7  
 
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.6  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
HAZE  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 45 700 AM  
LOWEST 15 300 PM  
AVERAGE 30  
   
......................................................
 
 
 
THE CHALLIS ID CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 72 90 1929  
MINIMUM TEMPERATURE (F) 39 20 1965  
 
 
SUNRISE AND SUNSET  
SEPTEMBER 17 2020.....SUNRISE 719 AM MDT SUNSET 743 PM MDT  
SEPTEMBER 18 2020.....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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