227  
CDUS46 KBOI 311632  
CLIONO  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BOISE ID  
1032 AM MDT SAT MAY 31 2025  
   
...............................
 
 
   
..THE ONTARIO OR CLIMATE SUMMARY FOR MAY 31 2025
 
 
VALID AS OF 1000 AM LOCAL TIME.  
 
CLIMATE NORMAL PERIOD 1991 TO 2020  
CLIMATE RECORD PERIOD 1948 TO 2025  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL LAST  
VALUE (LST) VALUE VALUE YEAR    
.......................................................
 
 
TEMPERATURE (F)  
TODAY  
MAXIMUM 71 859 AM 101 1972 80 79  
MINIMUM 50 535 AM 34 1990 52 49  
AVERAGE 61 66 64  
 
PRECIPITATION (IN)  
TODAY 0.00 0.52 1954 0.04 0.00  
MONTH TO DATE 0.10 1.17 1.21  
SINCE OCT 1 11.02 8.09 8.54  
SINCE JAN 1 5.85 5.18 6.43  
   
.......................................................
 
 
WIND (MPH)  
AVERAGE WIND SPEED 2.1  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 61 500 AM  
   
......................................................
 
 
THE ONTARIO OR CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 81 99 1986  
MINIMUM TEMPERATURE (F) 52 34 1984  
 
SUNRISE AND SUNSET  
MAY 31 2025...........SUNRISE 609 AM MDT SUNSET 924 PM MDT  
JUNE 1 2025..........SUNRISE 608 AM MDT SUNSET 924 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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