474  
CDUS46 KBOI 190937  
CLIONO  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BOISE ID  
337 AM MDT TUE SEP 19 2023  
   
...............................
 
 
   
..THE ONTARIO OR CLIMATE SUMMARY FOR SEPTEMBER 18 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 88 505 PM 96 1981 82 6 81  
MINIMUM 52 703 AM 25 1965 49 3 58  
AVERAGE 70 65 5 70  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.59 1961 0.01 -0.01 T  
MONTH TO DATE 0.27 0.13 0.14 T  
SINCE OCT 1 13.24 9.32 3.92 7.31  
SINCE JAN 1 9.20 6.41 2.79 4.27  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 2 -2 0  
MONTH TO DATE 0 26 -26 3  
SINCE SEP 1 0 26 -26 3  
SINCE JUL 1 0 32 -32 3  
 
COOLING  
YESTERDAY 5 2 3 5  
MONTH TO DATE 108 81 27 140  
SINCE SEP 1 108 81 27 140  
SINCE JAN 1 1297 1079 218 1394    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION NW (320)  
HIGHEST GUST SPEED 21 HIGHEST GUST DIRECTION NW (310)  
AVERAGE WIND SPEED 3.5  
 
SKY COVER  
AVERAGE SKY COVER 0.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 68 600 AM  
LOWEST 19 400 PM  
AVERAGE 44  
   
......................................................
 
 
THE ONTARIO OR CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 81 95 1952  
1979  
MINIMUM TEMPERATURE (F) 48 24 1965  
 
SUNRISE AND SUNSET  
SEPTEMBER 19 2023.....SUNRISE 732 AM MDT SUNSET 751 PM MDT  
SEPTEMBER 20 2023.....SUNRISE 733 AM MDT SUNSET 749 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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