570  
CDUS46 KBOI 130121  
CLIONO  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BOISE ID  
721 PM MDT TUE SEP 12 2023  
   
...............................
 
 
   
..THE ONTARIO OR CLIMATE SUMMARY FOR SEPTEMBER 12 2023
 
 
VALID TODAY AS OF 0600 PM LOCAL TIME.  
 
CLIMATE NORMAL PERIOD 1991 TO 2020  
CLIMATE RECORD PERIOD 1948 TO 2023  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
TODAY  
MAXIMUM 90 421 PM 97 1960 84 6 81  
MINIMUM 59 418 AM 35 1949 50 9 48  
1951  
AVERAGE 75 67 8 65  
 
PRECIPITATION (IN)  
TODAY 0.00 0.05 2004 0.01 -0.01 T  
MONTH TO DATE 0.27 0.08 0.19 T  
SINCE OCT 1 13.24 9.27 3.97 7.31  
SINCE JAN 1 9.20 6.36 2.84 4.27  
 
DEGREE DAYS  
HEATING  
TODAY 0 2 -2 0  
MONTH TO DATE 0 14 -14 2  
SINCE SEP 1 0 14 -14 2  
SINCE JUL 1 0 20 -20 2  
 
COOLING  
TODAY 10 4 6 0  
MONTH TO DATE 78 63 15 114  
SINCE SEP 1 78 63 15 114  
SINCE JAN 1 1267 1061 206 1368    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 9 HIGHEST WIND DIRECTION W (260)  
HIGHEST GUST SPEED 11 HIGHEST GUST DIRECTION W (250)  
AVERAGE WIND SPEED 3.7  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 58 1200 AM  
LOWEST 24 400 PM  
AVERAGE 41  
   
......................................................
 
 
THE ONTARIO OR CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 84 95 1981  
2002  
MINIMUM TEMPERATURE (F) 50 30 1992  
 
SUNRISE AND SUNSET  
SEPTEMBER 12 2023.....SUNRISE 724 AM MDT SUNSET 804 PM MDT  
SEPTEMBER 13 2023.....SUNRISE 725 AM MDT SUNSET 802 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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