288  
CDUS45 KPIH 190737  
CLILLJ  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE POCATELLO ID  
137 AM MDT SAT SEP 19 2020  
 
   
...............................
 
 
   
..THE CHALLIS ID CLIMATE SUMMARY FOR SEPTEMBER 18 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 71 709 PM 90 1981 72 -1 70  
MINIMUM 44 623 AM 17 1965 38 6 42  
AVERAGE 58 55 3 56  
 
PRECIPITATION (IN)  
YESTERDAY T 0.52 1961 0.03 -0.03 0.01  
MONTH TO DATE T 0.48 -0.48 0.66  
SINCE OCT 1 7.18 9.80 -2.62 6.56  
SINCE JAN 1 5.68 7.87 -2.19 5.47  
 
SNOWFALL (IN)  
YESTERDAY MM  
MONTH TO DATE MM  
SINCE SEP 1 MM  
SINCE JUL 1 MM  
SNOW DEPTH MM  
 
DEGREE DAYS  
HEATING  
YESTERDAY 7 10 -3 9  
MONTH TO DATE 55 129 -74 78  
SINCE SEP 1 55 129 -74 78  
SINCE JUL 1 91 202 -111 94  
 
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 35 HIGHEST WIND DIRECTION SW (240)  
HIGHEST GUST SPEED 48 HIGHEST GUST DIRECTION SW (240)  
AVERAGE WIND SPEED 3.7  
 
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.3  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 57 1100 PM  
LOWEST 24 100 PM  
AVERAGE 41  
   
......................................................
 
 
 
THE CHALLIS ID CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 72 91 1928  
MINIMUM TEMPERATURE (F) 38 23 1965  
 
 
SUNRISE AND SUNSET  
SEPTEMBER 19 2020.....SUNRISE 721 AM MDT SUNSET 739 PM MDT  
SEPTEMBER 20 2020.....SUNRISE 722 AM MDT SUNSET 737 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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