273  
CDUS45 KBOI 221631  
CLIBOI  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BOISE ID  
1031 AM MDT MON SEP 22 2025  
   
...............................
 
 
   
..THE BOISE ID CLIMATE SUMMARY FOR SEPTEMBER 22 2025
 
 
VALID AS OF 1000 AM LOCAL TIME.  
 
CLIMATE NORMAL PERIOD 1991 TO 2020  
CLIMATE RECORD PERIOD 1875 TO 2025  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL LAST  
VALUE (LST) VALUE VALUE YEAR    
.......................................................
 
 
TEMPERATURE (F)  
TODAY  
MAXIMUM 63 1204 AM 99 1966 77 77  
MINIMUM 50 714 AM 29 1895 51 47  
AVERAGE 57 64 62  
 
PRECIPITATION (IN)  
TODAY 0.00 0.51 1917 0.02 0.00  
MONTH TO DATE 0.10 0.29 0.20  
SINCE OCT 1 11.82 11.37 15.13  
SINCE JAN 1 7.41 7.84 11.19  
   
.......................................................
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 69 500 AM  
   
......................................................
 
 
THE BOISE ID CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 77 94 1987  
MINIMUM TEMPERATURE (F) 50 29 1984  
 
SUNRISE AND SUNSET  
SEPTEMBER 22 2025.....SUNRISE 733 AM MDT SUNSET 741 PM MDT  
SEPTEMBER 23 2025.....SUNRISE 734 AM MDT SUNSET 740 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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