427  
CDUS46 KBOI 170932  
CLIBNO  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BOISE ID  
332 AM MDT FRI SEP 17 2021  
   
...............................
 
 
   
..THE BURNS OR CLIMATE SUMMARY FOR SEPTEMBER 16 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 71 255 PM 91 1951 78 -7 86  
1981  
MINIMUM 32 1159 PM 23 2017 37 -5 36  
AVERAGE 52 58 -6 61  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.37 1955 0.01 -0.01 0.00  
MONTH TO DATE 0.42 0.18 0.24 0.00  
SINCE OCT 1 8.26 10.21 -1.95 7.73  
SINCE JAN 1 6.18 6.90 -0.72 5.55  
 
DEGREE DAYS  
HEATING  
YESTERDAY 13 8 5 4  
MONTH TO DATE 88 91 -3 48  
SINCE SEP 1 88 91 -3 48  
SINCE JUL 1 154 183 -29 93  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 11 13 -2 27  
SINCE SEP 1 11 13 -2 27  
SINCE JAN 1 609 299 310 369    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 20 HIGHEST WIND DIRECTION NW (330)  
HIGHEST GUST SPEED 24 HIGHEST GUST DIRECTION NW (320)  
AVERAGE WIND SPEED 6.0  
 
SKY COVER  
AVERAGE SKY COVER 0.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 49 1000 PM  
LOWEST 12 400 PM  
AVERAGE 31  
   
......................................................
 
 
THE BURNS OR CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 78 93 1981  
MINIMUM TEMPERATURE (F) 37 23 1965  
2018  
 
SUNRISE AND SUNSET  
SEPTEMBER 17 2021.....SUNRISE 638 AM PDT SUNSET 702 PM PDT  
SEPTEMBER 18 2021.....SUNRISE 639 AM PDT SUNSET 700 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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