176  
CDUS46 KBOI 210121  
CLIONO  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BOISE ID  
721 PM MDT WED SEP 20 2023  
   
...............................
 
 
   
..THE ONTARIO OR CLIMATE SUMMARY FOR SEPTEMBER 20 2023
 
 
VALID TODAY AS OF 0600 PM LOCAL TIME.  
 
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)  
TODAY  
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)  
TODAY 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  
TODAY 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  
TODAY 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 24 HIGHEST WIND DIRECTION NW (330)  
HIGHEST GUST SPEED 35 HIGHEST GUST DIRECTION NW (330)  
AVERAGE WIND SPEED 7.5  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 76 700 AM  
LOWEST 25 200 PM  
AVERAGE 51  
   
......................................................
 
 
THE ONTARIO OR CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 81 97 1966  
MINIMUM TEMPERATURE (F) 48 25 1983  
 
SUNRISE AND SUNSET  
SEPTEMBER 20 2023.....SUNRISE 733 AM MDT SUNSET 749 PM MDT  
SEPTEMBER 21 2023.....SUNRISE 734 AM MDT SUNSET 748 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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