716  
CDUS46 KBOI 220121  
CLIONO  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BOISE ID  
721 PM MDT THU AUG 21 2025  
   
...............................
 
 
   
..THE ONTARIO OR CLIMATE SUMMARY FOR AUGUST 21 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 93 539 PM 104 1961 92 1 89  
1969  
MINIMUM 62 626 AM 41 1974 57 5 65  
AVERAGE 78 75 3 77  
 
PRECIPITATION (IN)  
TODAY 0.00 1.51 2023 0.00 0.00 0.00  
MONTH TO DATE T 0.09 -0.09 0.02  
SINCE OCT 1 11.84 9.16 2.68 9.49  
SINCE JAN 1 6.67 6.25 0.42 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 13 10 3 12  
MONTH TO DATE 255 267 -12 322  
SINCE JUN 1 902 857 45 1117  
SINCE JAN 1 959 916 43 1153    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 23 HIGHEST WIND DIRECTION NW (330)  
HIGHEST GUST SPEED 30 HIGHEST GUST DIRECTION NW (330)  
AVERAGE WIND SPEED 8.5  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 47 700 AM  
LOWEST 15 600 PM  
AVERAGE 31  
   
......................................................
 
 
THE ONTARIO OR CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 92 105 1961  
MINIMUM TEMPERATURE (F) 57 41 1966  
 
SUNRISE AND SUNSET  
AUGUST 21 2025........SUNRISE 659 AM MDT SUNSET 842 PM MDT  
AUGUST 22 2025........SUNRISE 700 AM MDT SUNSET 840 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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