494  
CDUS45 KBOI 220127  
CLIMUO  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BOISE ID  
727 PM MDT SUN SEP 21 2025  
   
...............................
 
 
   
..THE MOUNTAIN HOME AFB CLIMATE SUMMARY FOR SEPTEMBER 21 2025
 
 
VALID TODAY AS OF 0700 PM LOCAL TIME.  
 
CLIMATE NORMAL PERIOD 1981 TO 2010  
CLIMATE RECORD PERIOD 1906 TO 2025  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR LAST  
VALUE (LST) VALUE YEAR    
.................................................
 
 
TEMPERATURE (F)  
TODAY  
MAXIMUM 82 MM 95 1936 75  
MINIMUM 65 200 AM 25 1926 49  
AVERAGE 74 62  
 
PRECIPITATION (IN)  
TODAY 0.02 0.47 1984 T  
MONTH TO DATE 0.02 0.24  
SINCE OCT 1 4.91 6.76  
SINCE JAN 1 3.19 4.23  
 
DEGREE DAYS  
HEATING  
TODAY 0 3  
MONTH TO DATE 10 39  
SINCE SEP 1 10 39  
SINCE JUL 1 10 56  
 
COOLING  
TODAY 9 0  
MONTH TO DATE 119 91  
SINCE SEP 1 119 91  
SINCE JAN 1 1104 1057    
.................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 25 HIGHEST WIND DIRECTION NW (320)  
HIGHEST GUST SPEED 37 HIGHEST GUST DIRECTION NW (310)  
AVERAGE WIND SPEED 10.1  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 67 600 PM  
LOWEST 26 300 PM  
AVERAGE 47  
   
......................................................
 
 
THE MOUNTAIN HOME AFB CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 77 95 1992  
MINIMUM TEMPERATURE (F) 44 24 1926  
 
SUNRISE AND SUNSET  
SEPTEMBER 21 2025.....SUNRISE 730 AM MDT SUNSET 742 PM MDT  
SEPTEMBER 22 2025.....SUNRISE 731 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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