354  
CDUS46 KSGX 010922  
CLIONT  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN DIEGO, CA  
222 AM PDT SAT JUN 01 2024  
   
...............................
 
 
   
..THE ONTARIO INTL AIRPORT CA CLIMATE SUMMARY FOR MAY 31 2024
 
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1998 TO 2024  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 80 2:30 PM 96 2006 82 -2 63  
MINIMUM 57 4:31 AM 52 1998 57 0 56  
AVERAGE 69 70 -1 60  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.00 MM 0.00 0.00 0.00  
MONTH TO DATE 0.15 0.30 -0.15 0.78  
SINCE JUL 1 19.80 11.62 8.18 23.78  
SINCE OCT 1 17.64 11.44 6.20 23.48  
SINCE JAN 1 16.29 8.34 7.95 18.24  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 0 0 5  
MONTH TO DATE 34 37 -3 78  
SINCE MAR 1 424 314 110 552  
SINCE JUL 1 1312 1288 24 1913  
 
COOLING  
YESTERDAY 4 5 -1 0  
MONTH TO DATE 36 121 -85 56  
SINCE MAR 1 61 201 -140 105  
SINCE JAN 1 61 214 -153 105    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 7 RESULTANT WIND DIRECTION SW (240)  
HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION W (250)  
HIGHEST GUST SPEED 22 HIGHEST GUST DIRECTION W (250)  
AVERAGE WIND SPEED 7.8  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.5  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
FOG  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 93 6:00 AM  
LOWEST 36 2:00 PM  
AVERAGE 65  
   
......................................................
 
 
THE ONTARIO INTL AIRPORT CA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 82 100 2013  
MINIMUM TEMPERATURE (F) 58 51 2011  
 
SUNRISE AND SUNSET  
JUNE 1 2024..........SUNRISE 5:40 AM PDT SUNSET 7:57 PM PDT  
JUNE 2 2024..........SUNRISE 5:40 AM PDT SUNSET 7:58 PM PDT  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 

 
 
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