642  
CDUS46 KBOI 170931  
CLIONO  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BOISE ID  
331 AM MDT SUN SEP 17 2023  
   
...............................
 
 
   
..THE ONTARIO OR CLIMATE SUMMARY FOR SEPTEMBER 16 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 89 526 PM 95 1956 83 6 80  
1957  
MINIMUM 45 624 AM 30 1970 49 -4 48  
AVERAGE 67 66 1 64  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.33 1976 0.01 -0.01 0.00  
MONTH TO DATE 0.27 0.11 0.16 T  
SINCE OCT 1 13.24 9.30 3.94 7.31  
SINCE JAN 1 9.20 6.39 2.81 4.27  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 2 -2 1  
MONTH TO DATE 0 22 -22 3  
SINCE SEP 1 0 22 -22 3  
SINCE JUL 1 0 28 -28 3  
 
COOLING  
YESTERDAY 2 3 -1 0  
MONTH TO DATE 99 76 23 133  
SINCE SEP 1 99 76 23 133  
SINCE JAN 1 1288 1074 214 1387    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 8 HIGHEST WIND DIRECTION N (20)  
HIGHEST GUST SPEED 14 HIGHEST GUST DIRECTION NE (50)  
AVERAGE WIND SPEED 2.6  
 
SKY COVER  
AVERAGE SKY COVER 0.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 74 600 AM  
LOWEST 19 600 PM  
AVERAGE 47  
   
......................................................
 
 
THE ONTARIO OR CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 82 95 1956  
MINIMUM TEMPERATURE (F) 49 32 1965  
 
SUNRISE AND SUNSET  
SEPTEMBER 17 2023.....SUNRISE 729 AM MDT SUNSET 755 PM MDT  
SEPTEMBER 18 2023.....SUNRISE 730 AM MDT SUNSET 753 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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