609  
CDUS45 KBOI 210120  
CLIMUO  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BOISE ID  
720 PM MDT TUE MAY 20 2025  
   
...............................  
 
   
..THE MOUNTAIN HOME AFB CLIMATE SUMMARY FOR MAY 20 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 67 MM 98 1954 67  
MINIMUM 45 400 AM 28 1920 38  
AVERAGE 56 53  
 
PRECIPITATION (IN)  
TODAY 0.09 0.63 2019 T  
MONTH TO DATE 0.65 0.33  
SINCE OCT 1 4.37 6.02  
SINCE JAN 1 2.65 3.49  
 
DEGREE DAYS  
HEATING  
TODAY 9 12  
MONTH TO DATE 152 205  
SINCE MAR 1 1191 1404  
SINCE JUL 1 5289 5296  
 
COOLING  
TODAY 0 0  
MONTH TO DATE 22 3  
SINCE MAR 1 22 3  
SINCE JAN 1 22 3    
.................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 20 HIGHEST WIND DIRECTION W (280)  
HIGHEST GUST SPEED 30 HIGHEST GUST DIRECTION W (280)  
AVERAGE WIND SPEED 11.6  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 94 500 AM  
LOWEST 25 600 PM  
AVERAGE 60  
   
......................................................  
 
THE MOUNTAIN HOME AFB CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 74 96 1958  
MINIMUM TEMPERATURE (F) 45 24 1918  
 
SUNRISE AND SUNSET  
MAY 20 2025...........SUNRISE 615 AM MDT SUNSET 906 PM MDT  
MAY 21 2025...........SUNRISE 614 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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