903  
CDUS46 KBOI 220121  
CLIONO  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BOISE ID  
721 PM MDT THU SEP 21 2023  
   
...............................
 
 
   
..THE ONTARIO OR CLIMATE SUMMARY FOR SEPTEMBER 21 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 68 401 PM 97 1966 81 -13 77  
MINIMUM 45 631 AM 25 1983 48 -3 53  
AVERAGE 57 64 -7 65  
 
PRECIPITATION (IN)  
TODAY 0.00 0.10 1945 0.02 -0.02 T  
MONTH TO DATE 0.27 0.17 0.10 T  
SINCE OCT 1 13.24 9.36 3.88 7.31  
SINCE JAN 1 9.20 6.45 2.75 4.27  
 
DEGREE DAYS  
HEATING  
TODAY 8 3 5 0  
MONTH TO DATE 14 34 -20 3  
SINCE SEP 1 14 34 -20 3  
SINCE JUL 1 14 40 -26 3  
 
COOLING  
TODAY 0 2 -2 0  
MONTH TO DATE 109 87 22 147  
SINCE SEP 1 109 87 22 147  
SINCE JAN 1 1298 1085 213 1401    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 21 HIGHEST WIND DIRECTION NW (320)  
HIGHEST GUST SPEED 28 HIGHEST GUST DIRECTION NW (310)  
AVERAGE WIND SPEED 6.8  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 68 700 AM  
LOWEST 33 400 PM  
AVERAGE 51  
   
......................................................
 
 
THE ONTARIO OR CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 80 100 1966  
MINIMUM TEMPERATURE (F) 47 28 1971  
 
SUNRISE AND SUNSET  
SEPTEMBER 21 2023.....SUNRISE 734 AM MDT SUNSET 748 PM MDT  
SEPTEMBER 22 2023.....SUNRISE 735 AM MDT SUNSET 746 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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