186  
CDUS46 KBOI 210934  
CLIONO  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BOISE ID  
334 AM MDT SUN MAY 21 2023  
   
...............................
 
 
   
..THE ONTARIO OR CLIMATE SUMMARY FOR MAY 20 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 94R 514 PM 93 1958 78 16 70  
1980  
MINIMUM 56 539 AM 35 1971 49 7 43  
1976  
2003  
AVERAGE 75 64 11 57  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.65 2019 0.04 -0.04 0.00  
MONTH TO DATE 0.62 0.72 -0.10 0.49  
SINCE OCT 1 8.63 7.64 0.99 5.43  
SINCE JAN 1 4.59 4.73 -0.14 2.39  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 4 -4 8  
MONTH TO DATE 54 113 -59 177  
SINCE MAR 1 1249 1068 181 1218  
SINCE JUL 1 5427 5135 292 5238  
 
COOLING  
YESTERDAY 10 2 8 0  
MONTH TO DATE 49 23 26 8  
SINCE MAR 1 53 25 28 8  
SINCE JAN 1 53 25 28 8    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 20 HIGHEST WIND DIRECTION NW (320)  
HIGHEST GUST SPEED 27 HIGHEST GUST DIRECTION NW (320)  
AVERAGE WIND SPEED 3.6  
 
SKY COVER  
AVERAGE SKY COVER 0.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 78 600 AM  
LOWEST 19 500 PM  
AVERAGE 49  
   
......................................................
 
 
THE ONTARIO OR CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 78 96 1967  
MINIMUM TEMPERATURE (F) 50 30 1974  
 
SUNRISE AND SUNSET  
MAY 21 2023...........SUNRISE 616 AM MDT SUNSET 914 PM MDT  
MAY 22 2023...........SUNRISE 615 AM MDT SUNSET 915 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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