738  
CDUS46 KBOI 180931  
CLIBNO  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BOISE ID  
331 AM MDT WED AUG 18 2021  
   
...............................
 
 
   
..THE BURNS OR CLIMATE SUMMARY FOR AUGUST 17 2021
 
 
CLIMATE NORMAL PERIOD 1991 TO 2020  
CLIMATE RECORD PERIOD 1938 TO 2021  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 76 315 PM 99 2012 87 -11 95  
MINIMUM 47 1159 PM 33 1978 46 1 54  
AVERAGE 62 66 -4 75  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.07 1949 0.01 -0.01 T  
MONTH TO DATE 0.01 0.14 -0.13 T  
SINCE OCT 1 7.84 9.92 -2.08 7.72  
SINCE JAN 1 5.76 6.61 -0.85 5.54  
 
DEGREE DAYS  
HEATING  
YESTERDAY 3 2 1 0  
MONTH TO DATE 6 19 -13 8  
SINCE JUN 1 90 246 -156 205  
SINCE JUL 1 6 56 -50 33  
 
COOLING  
YESTERDAY 0 3 -3 10  
MONTH TO DATE 144 75 69 78  
SINCE JUN 1 596 255 341 268  
SINCE JAN 1 598 259 339 290    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 24 HIGHEST WIND DIRECTION NW (310)  
HIGHEST GUST SPEED 33 HIGHEST GUST DIRECTION NW (300)  
AVERAGE WIND SPEED 12.4  
 
SKY COVER  
AVERAGE SKY COVER 0.2  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 61 600 AM  
LOWEST 14 200 PM  
AVERAGE 38  
   
......................................................
 
 
THE BURNS OR CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 87 97 2016  
MINIMUM TEMPERATURE (F) 45 27 1995  
 
SUNRISE AND SUNSET  
AUGUST 18 2021........SUNRISE 604 AM PDT SUNSET 754 PM PDT  
AUGUST 19 2021........SUNRISE 605 AM PDT SUNSET 752 PM PDT  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 

 
 
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