554  
CDUS45 KBOI 210932  
CLIONO  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BOISE ID  
331 AM MDT TUE MAY 21 2019  
 
   
...............................
 
 
   
..THE ONTARIO OR CLIMATE SUMMARY FOR MAY 20 2019
 
 
CLIMATE NORMAL PERIOD 1981 TO 2010  
CLIMATE RECORD PERIOD 1948 TO 2019  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
..............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 66 441 PM 93 1980 76 -10 79  
1958  
MINIMUM 53 1159 PM 35 2003 46 7 56  
1976  
1971  
AVERAGE 60 61 -1 68  
 
PRECIPITATION (IN)  
YESTERDAY 0.65R 0.30 1981 0.05 0.60 0.06  
1968  
MONTH TO DATE 1.51 0.80 0.71 0.71  
SINCE OCT 1 11.07 8.00 3.07 6.30  
SINCE JAN 1 8.62 4.59 4.03 3.59  
 
DEGREE DAYS  
HEATING  
YESTERDAY 5 5 0 0  
MONTH TO DATE 94 160 -66 37  
SINCE MAR 1 1029 1271 -242 1010  
SINCE JUL 1 4935 5901 -966 5187  
 
COOLING  
YESTERDAY 0 1 -1 3  
MONTH TO DATE 23 15 8 18  
SINCE MAR 1 23 16 7 18  
SINCE JAN 1 23 16 7 18    
..............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 21 HIGHEST WIND DIRECTION NW (310)  
HIGHEST GUST SPEED 24 HIGHEST GUST DIRECTION NW (320)  
AVERAGE WIND SPEED 2.7  
 
 
SKY COVER  
AVERAGE SKY COVER 1.0  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
THUNDERSTORM  
HEAVY RAIN  
RAIN  
LIGHT RAIN  
FOG  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 93 300 AM  
LOWEST 56 500 PM  
AVERAGE 75  
   
......................................................
 
 
 
THE ONTARIO OR CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 76 96 1967  
MINIMUM TEMPERATURE (F) 46 30 1974  
 
 
SUNRISE AND SUNSET  
MAY 21 2019...........SUNRISE 616 AM MDT SUNSET 914 PM MDT  
MAY 22 2019...........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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