586  
CDUS46 KBOI 200122  
CLIBNO  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BOISE ID  
722 PM MDT SUN SEP 19 2021  
   
...............................
 
 
   
..THE BURNS OR CLIMATE SUMMARY FOR SEPTEMBER 19 2021
 
 
VALID TODAY AS OF 0600 PM LOCAL TIME.  
 
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)  
TODAY  
MAXIMUM 61 223 PM 90 1939 77 -16 69  
1952  
MINIMUM 34 244 AM 24 1965 37 -3 35  
AVERAGE 48 57 -9 52  
 
PRECIPITATION (IN)  
TODAY 0.01 0.58 1986 0.02 -0.01 0.00  
MONTH TO DATE 0.53 0.22 0.31 T  
SINCE OCT 1 8.37 10.25 -1.88 7.73  
SINCE JAN 1 6.29 6.94 -0.65 5.55  
 
DEGREE DAYS  
HEATING  
TODAY 17 8 9 13  
MONTH TO DATE 121 115 6 74  
SINCE SEP 1 121 115 6 74  
SINCE JUL 1 187 207 -20 119  
 
COOLING  
TODAY 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 25 HIGHEST WIND DIRECTION W (280)  
HIGHEST GUST SPEED 32 HIGHEST GUST DIRECTION W (280)  
AVERAGE WIND SPEED 10.5  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 89 300 AM  
LOWEST 39 200 PM  
AVERAGE 64  
   
......................................................
 
 
THE BURNS OR CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 77 92 1939  
MINIMUM TEMPERATURE (F) 36 20 1983  
 
SUNRISE AND SUNSET  
SEPTEMBER 19 2021.....SUNRISE 640 AM PDT SUNSET 658 PM PDT  
SEPTEMBER 20 2021.....SUNRISE 641 AM PDT SUNSET 656 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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