346  
CDUS45 KBOI 220123  
CLIMUO  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BOISE ID  
723 PM MDT THU MAY 21 2026  
   
...............................  
 
   
..THE MOUNTAIN HOME AFB CLIMATE SUMMARY FOR MAY 21 2026  
 
VALID TODAY AS OF 0700 PM LOCAL TIME.  
 
CLIMATE NORMAL PERIOD 1981 TO 2010  
CLIMATE RECORD PERIOD 1949 TO 2026  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR LAST  
VALUE (LST) VALUE YEAR    
.................................................  
 
TEMPERATURE (F)  
TODAY  
MAXIMUM MM MM 94 1958 73  
MINIMUM 50 500 AM 34 2022 40  
AVERAGE MM 57  
 
PRECIPITATION (IN)  
TODAY 0.00 0.21 1965 0.00  
MONTH TO DATE T 0.65  
SINCE OCT 1 3.86 4.37  
SINCE JAN 1 2.17 2.65  
 
DEGREE DAYS  
HEATING  
TODAY MM 8  
MONTH TO DATE 91 160  
SINCE MAR 1 1022 1199  
SINCE JUL 1 4502 5297  
 
COOLING  
TODAY MM 0  
MONTH TO DATE 19 22  
SINCE MAR 1 20 22  
SINCE JAN 1 20 22    
.................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 25 HIGHEST WIND DIRECTION NW (300)  
HIGHEST GUST SPEED 32 HIGHEST GUST DIRECTION NW (310)  
AVERAGE WIND SPEED 16.6  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 57 500 AM  
LOWEST 23 900 AM  
AVERAGE 40  
   
......................................................  
 
THE MOUNTAIN HOME AFB CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 74 93 1958  
MINIMUM TEMPERATURE (F) 45 29 1960  
 
SUNRISE AND SUNSET  
MAY 21 2026...........SUNRISE 614 AM MDT SUNSET 906 PM MDT  
MAY 22 2026...........SUNRISE 613 AM MDT SUNSET 907 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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