819  
CDUS46 KBOI 280124  
CLIONO  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BOISE ID  
724 PM MDT SAT SEP 27 2025  
   
...............................  
 
   
..THE ONTARIO OR CLIMATE SUMMARY FOR SEPTEMBER 27 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 79 424 PM 94 1957 78 1 88  
MINIMUM 42 627 AM 27 1971 46 -4 48  
AVERAGE 61 62 -1 68  
 
PRECIPITATION (IN)  
TODAY 0.00 0.13 1991 0.01 -0.01 0.00  
MONTH TO DATE 0.03 0.24 -0.21 0.12  
SINCE OCT 1 12.57 9.43 3.14 9.61  
SINCE JAN 1 7.40 6.52 0.88 7.50  
 
DEGREE DAYS  
HEATING  
TODAY 4 4 0 0  
MONTH TO DATE 17 56 -39 17  
SINCE SEP 1 17 56 -39 17  
SINCE JUL 1 17 62 -45 17  
 
COOLING  
TODAY 0 1 -1 3  
MONTH TO DATE 113 95 18 133  
SINCE SEP 1 113 95 18 133  
SINCE JAN 1 1160 1093 67 1317    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 8 HIGHEST WIND DIRECTION S (200)  
HIGHEST GUST SPEED 11 HIGHEST GUST DIRECTION E (110)  
AVERAGE WIND SPEED 3.1  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 57 700 AM  
LOWEST 18 400 PM  
AVERAGE 38  
   
......................................................  
 
THE ONTARIO OR CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 77 92 2022  
MINIMUM TEMPERATURE (F) 45 28 1971  
1999  
 
SUNRISE AND SUNSET  
SEPTEMBER 27 2025.....SUNRISE 741 AM MDT SUNSET 735 PM MDT  
SEPTEMBER 28 2025.....SUNRISE 743 AM MDT SUNSET 734 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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