720  
CDUS46 KBOI 190121  
CLIBNO  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BOISE ID  
721 PM MDT SAT SEP 18 2021  
   
...............................
 
 
   
..THE BURNS OR CLIMATE SUMMARY FOR SEPTEMBER 18 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 70 945 AM 89 1981 78 -8 77  
MINIMUM 40 309 AM 21 1988 37 3 37  
AVERAGE 55 57 -2 57  
 
PRECIPITATION (IN)  
TODAY 0.10 1.16 1959 0.01 0.09 T  
MONTH TO DATE 0.52 0.20 0.32 T  
SINCE OCT 1 8.36 10.23 -1.87 7.73  
SINCE JAN 1 6.28 6.92 -0.64 5.55  
 
DEGREE DAYS  
HEATING  
TODAY 10 8 2 8  
MONTH TO DATE 104 107 -3 61  
SINCE SEP 1 104 107 -3 61  
SINCE JUL 1 170 199 -29 106  
 
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 33 HIGHEST WIND DIRECTION NW (310)  
HIGHEST GUST SPEED 45 HIGHEST GUST DIRECTION W (290)  
AVERAGE WIND SPEED 7.7  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 89 100 PM  
LOWEST 26 900 AM  
AVERAGE 58  
   
......................................................
 
 
THE BURNS OR CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 77 90 1939  
1952  
MINIMUM TEMPERATURE (F) 37 24 1965  
 
SUNRISE AND SUNSET  
SEPTEMBER 18 2021.....SUNRISE 639 AM PDT SUNSET 700 PM PDT  
SEPTEMBER 19 2021.....SUNRISE 640 AM PDT SUNSET 658 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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