218  
CDUS46 KBOI 180934  
CLIONO  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BOISE ID  
334 AM MDT THU MAY 18 2023  
   
...............................
 
 
   
..THE ONTARIO OR CLIMATE SUMMARY FOR MAY 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 83 622 PM 98 1973 77 6 79  
MINIMUM 53 527 AM 29 1974 48 5 51  
AVERAGE 68 63 5 65  
 
PRECIPITATION (IN)  
YESTERDAY T 0.59 2018 0.04 -0.04 0.00  
MONTH TO DATE 0.62 0.60 0.02 0.49  
SINCE OCT 1 8.63 7.52 1.11 5.43  
SINCE JAN 1 4.59 4.61 -0.02 2.39  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 4 -4 0  
MONTH TO DATE 54 101 -47 155  
SINCE MAR 1 1249 1056 193 1196  
SINCE JUL 1 5427 5123 304 5216  
 
COOLING  
YESTERDAY 3 2 1 0  
MONTH TO DATE 26 17 9 8  
SINCE MAR 1 30 19 11 8  
SINCE JAN 1 30 19 11 8    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 22 HIGHEST WIND DIRECTION W (290)  
HIGHEST GUST SPEED 28 HIGHEST GUST DIRECTION W (290)  
AVERAGE WIND SPEED 2.5  
 
SKY COVER  
AVERAGE SKY COVER 0.1  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
THUNDERSTORM  
LIGHT RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 86 500 AM  
LOWEST 34 500 PM  
AVERAGE 60  
   
......................................................
 
 
THE ONTARIO OR CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 77 96 1973  
2008  
MINIMUM TEMPERATURE (F) 49 27 1989  
 
SUNRISE AND SUNSET  
MAY 18 2023...........SUNRISE 619 AM MDT SUNSET 911 PM MDT  
MAY 19 2023...........SUNRISE 618 AM MDT SUNSET 912 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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