867  
CDUS46 KBOI 010121  
CLIONO  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BOISE ID  
721 PM MDT SUN AUG 31 2025  
   
...............................
 
 
   
..THE ONTARIO OR CLIMATE SUMMARY FOR AUGUST 31 2025
 
 
VALID TODAY AS OF 0700 PM LOCAL TIME.  
 
CLIMATE NORMAL PERIOD 1991 TO 2020  
CLIMATE RECORD PERIOD 1948 TO 2025  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
TODAY  
MAXIMUM 96 512 PM 102 1967 89 7 90  
2022  
MINIMUM 54 557 AM 35 1965 54 0 46  
AVERAGE 75 71 4 68  
 
PRECIPITATION (IN)  
TODAY 0.00 0.40 1984 0.00 0.00 0.00  
MONTH TO DATE 0.70 0.12 0.58 0.02  
SINCE OCT 1 12.54 9.19 3.35 9.49  
SINCE JAN 1 7.37 6.28 1.09 7.38  
 
DEGREE DAYS  
HEATING  
TODAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE JUN 1 27 34 -7 20  
SINCE JUL 1 0 2 -2 0  
 
COOLING  
TODAY 10 7 3 3  
MONTH TO DATE 343 349 -6 353  
SINCE JUN 1 990 939 51 1148  
SINCE JAN 1 1047 998 49 1184    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 8 HIGHEST WIND DIRECTION W (260)  
HIGHEST GUST SPEED 12 HIGHEST GUST DIRECTION E (110)  
AVERAGE WIND SPEED 2.2  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 90 100 AM  
LOWEST 19 500 PM  
AVERAGE 55  
   
......................................................
 
 
THE ONTARIO OR CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 89 104 1967  
MINIMUM TEMPERATURE (F) 54 37 1965  
 
SUNRISE AND SUNSET  
AUGUST 31 2025........SUNRISE 711 AM MDT SUNSET 825 PM MDT  
SEPTEMBER 1 2025.....SUNRISE 712 AM MDT SUNSET 823 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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