308  
CDUS46 KBOI 210942  
CLIONO  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BOISE ID  
342 AM MDT THU SEP 21 2023  
   
...............................
 
 
   
..THE ONTARIO OR CLIMATE SUMMARY FOR SEPTEMBER 20 2023
 
 
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)  
YESTERDAY  
MAXIMUM 74 216 PM 94 1967 81 -7 87  
MINIMUM 43 645 AM 27 1978 48 -5 50  
AVERAGE 59 64 -5 69  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.00 2008 0.01 -0.01 0.00  
MONTH TO DATE 0.27 0.15 0.12 T  
SINCE OCT 1 13.24 9.34 3.90 7.31  
SINCE JAN 1 9.20 6.43 2.77 4.27  
 
DEGREE DAYS  
HEATING  
YESTERDAY 6 3 3 0  
MONTH TO DATE 6 31 -25 3  
SINCE SEP 1 6 31 -25 3  
SINCE JUL 1 6 37 -31 3  
 
COOLING  
YESTERDAY 0 2 -2 4  
MONTH TO DATE 109 85 24 147  
SINCE SEP 1 109 85 24 147  
SINCE JAN 1 1298 1083 215 1401    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 31 HIGHEST WIND DIRECTION NW (320)  
HIGHEST GUST SPEED 41 HIGHEST GUST DIRECTION NW (320)  
AVERAGE WIND SPEED 11.9  
 
SKY COVER  
AVERAGE SKY COVER 0.1  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 76 700 AM  
LOWEST 25 200 PM  
AVERAGE 51  
   
......................................................
 
 
THE ONTARIO OR CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 81 97 1966  
MINIMUM TEMPERATURE (F) 48 25 1983  
 
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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