329  
CDUS46 KBOI 180931  
CLIONO  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BOISE ID  
331 AM MDT MON SEP 18 2023  
   
...............................
 
 
   
..THE ONTARIO OR CLIMATE SUMMARY FOR SEPTEMBER 17 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 90 508 PM 95 1956 82 8 84  
MINIMUM 47 645 AM 32 1965 49 -2 49  
AVERAGE 69 66 3 67  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.60 1989 0.01 -0.01 0.00  
MONTH TO DATE 0.27 0.12 0.15 T  
SINCE OCT 1 13.24 9.31 3.93 7.31  
SINCE JAN 1 9.20 6.40 2.80 4.27  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 2 -2 0  
MONTH TO DATE 0 24 -24 3  
SINCE SEP 1 0 24 -24 3  
SINCE JUL 1 0 30 -30 3  
 
COOLING  
YESTERDAY 4 3 1 2  
MONTH TO DATE 103 79 24 135  
SINCE SEP 1 103 79 24 135  
SINCE JAN 1 1292 1077 215 1389    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 9 HIGHEST WIND DIRECTION SW (210)  
HIGHEST GUST SPEED 12 HIGHEST GUST DIRECTION SW (210)  
AVERAGE WIND SPEED 2.3  
 
SKY COVER  
AVERAGE SKY COVER 0.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 71 600 AM  
LOWEST 17 500 PM  
AVERAGE 44  
   
......................................................
 
 
THE ONTARIO OR CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 82 96 1981  
MINIMUM TEMPERATURE (F) 49 25 1965  
 
SUNRISE AND SUNSET  
SEPTEMBER 18 2023.....SUNRISE 730 AM MDT SUNSET 753 PM MDT  
SEPTEMBER 19 2023.....SUNRISE 732 AM MDT SUNSET 751 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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