899  
CDUS45 KBOI 210933  
CLIBOI  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BOISE ID  
333 AM MDT MON SEP 21 2026  
   
...............................  
 
   
..THE BOISE ID CLIMATE SUMMARY FOR SEPTEMBER 20 2026  
 
CLIMATE NORMAL PERIOD 1991 TO 2020  
CLIMATE RECORD PERIOD 1875 TO 2026  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................  
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 80 456 PM 94 1922 78 2 88  
MINIMUM 56 552 AM 32 1924 51 5 61  
AVERAGE 68 65 3 75  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.90 2008 0.01 -0.01 0.00  
MONTH TO DATE 0.36 0.25 0.11 0.06  
SINCE OCT 1 12.21 11.33 0.88 11.78  
SINCE JAN 1 7.86 7.80 0.06 7.37  
 
SNOWFALL (IN)  
YESTERDAY 0.0 0.0 2006 0.0 0.0 0.0  
MONTH TO DATE 0.0 0.0 0.0 0.0  
SINCE JUL 1 0.0 0.0 0.0 0.0  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 3 -3 0  
MONTH TO DATE 37 37 0 3  
SINCE SEP 1 37 37 0 3  
SINCE JUL 1 38 50 -12 3  
 
COOLING  
YESTERDAY 3 3 0 10  
MONTH TO DATE 47 100 -53 164  
SINCE SEP 1 47 100 -53 164  
SINCE JAN 1 1190 1015 175 1227    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 12 HIGHEST WIND DIRECTION SE (140)  
HIGHEST GUST SPEED 17 HIGHEST GUST DIRECTION S (190)  
AVERAGE WIND SPEED 5.9  
 
SKY COVER  
AVERAGE SKY COVER 0.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 69 500 AM  
LOWEST 30 500 PM  
AVERAGE 50  
   
......................................................  
 
THE BOISE ID CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 78 95 1967  
MINIMUM TEMPERATURE (F) 51 30 1993  
 
SUNRISE AND SUNSET  
SEPTEMBER 21 2026.....SUNRISE 731 AM MDT SUNSET 744 PM MDT  
SEPTEMBER 22 2026.....SUNRISE 732 AM MDT SUNSET 742 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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