406  
CDUS46 KBOI 180936  
CLIONO  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BOISE ID  
236 AM MST MON DEC 18 2023  
   
...............................
 
 
   
..THE ONTARIO OR CLIMATE SUMMARY FOR DECEMBER 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 35 325 PM 51 1957 38 -3 26  
MINIMUM 30 214 AM -11 1964 24 6 18  
AVERAGE 33 31 2 22  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.54 2015 0.05 -0.05 0.00  
MONTH TO DATE 0.73 0.72 0.01 1.88  
SINCE OCT 1 1.88 2.24 -0.36 3.04  
SINCE JAN 1 11.09 8.81 2.28 7.31  
 
DEGREE DAYS  
HEATING  
YESTERDAY 32 34 -2 43  
MONTH TO DATE 473 550 -77 601  
SINCE DEC 1 473 550 -77 601  
SINCE JUL 1 1552 1768 -216 1850  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE DEC 1 0 0 0 0  
SINCE JAN 1 1302 1100 202 1410    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 8 HIGHEST WIND DIRECTION S (200)  
HIGHEST GUST SPEED 9 HIGHEST GUST DIRECTION S (200)  
AVERAGE WIND SPEED 0.6  
 
SKY COVER  
AVERAGE SKY COVER 1.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 92 900 AM  
LOWEST 82 500 PM  
AVERAGE 87  
   
......................................................
 
 
THE ONTARIO OR CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 38 54 1973  
MINIMUM TEMPERATURE (F) 24 -11 2016  
 
SUNRISE AND SUNSET  
DECEMBER 18 2023......SUNRISE 818 AM MST SUNSET 511 PM MST  
DECEMBER 19 2023......SUNRISE 818 AM MST SUNSET 512 PM MST  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 

 
 
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