308  
CDUS46 KBOI 220120  
CLIONO  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BOISE ID  
720 PM MDT SUN MAY 21 2023  
   
...............................
 
 
   
..THE ONTARIO OR CLIMATE SUMMARY FOR MAY 21 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 93 331 PM 96 1967 78 15 71  
MINIMUM 62 618 AM 30 1974 50 12 44  
AVERAGE 78 64 14 58  
 
PRECIPITATION (IN)  
TODAY T 1.03 1998 0.04 -0.04 T  
MONTH TO DATE 0.62 0.76 -0.14 0.49  
SINCE OCT 1 8.63 7.68 0.95 5.43  
SINCE JAN 1 4.59 4.77 -0.18 2.39  
 
DEGREE DAYS  
HEATING  
TODAY 0 4 -4 7  
MONTH TO DATE 54 117 -63 184  
SINCE MAR 1 1249 1072 177 1225  
SINCE JUL 1 5427 5139 288 5245  
 
COOLING  
TODAY 13 2 11 0  
MONTH TO DATE 62 25 37 8  
SINCE MAR 1 66 27 39 8  
SINCE JAN 1 66 27 39 8    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 25 HIGHEST WIND DIRECTION SW (210)  
HIGHEST GUST SPEED 40 HIGHEST GUST DIRECTION SE (150)  
AVERAGE WIND SPEED 3.2  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 63 500 AM  
LOWEST 21 400 PM  
AVERAGE 42  
   
......................................................
 
 
THE ONTARIO OR CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 78 95 1956  
1967  
MINIMUM TEMPERATURE (F) 50 26 1960  
 
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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