643  
CDUS46 KSGX 100921  
CLIONT  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN DIEGO, CA  
221 AM PDT FRI MAY 10 2024  
   
...............................  
 
   
..THE ONTARIO INTL AIRPORT CA CLIMATE SUMMARY FOR MAY 9 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 82 3:23 PM 94 2007 79 3 69  
MINIMUM 55 5:10 AM 49 2003 55 0 52  
AVERAGE 69 67 2 61  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 T 2013 0.02 -0.02 0.00  
2013  
2017  
MONTH TO DATE 0.15 0.13 0.02 0.78  
SINCE JUL 1 19.80 11.45 8.35 23.78  
SINCE OCT 1 17.64 11.27 6.37 23.48  
SINCE JAN 1 16.29 8.17 8.12 18.24  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 2 -2 4  
MONTH TO DATE 16 18 -2 53  
SINCE MAR 1 406 295 111 527  
SINCE JUL 1 1294 1269 25 1888  
 
COOLING  
YESTERDAY 4 3 1 0  
MONTH TO DATE 6 27 -21 0  
SINCE MAR 1 31 107 -76 49  
SINCE JAN 1 31 120 -89 49    
...............................................................  
 
WIND (MPH)  
RESULTANT WIND SPEED 7 RESULTANT WIND DIRECTION W (250)  
HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION SW (240)  
HIGHEST GUST SPEED 28 HIGHEST GUST DIRECTION SW (240)  
AVERAGE WIND SPEED 7.5  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.4  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
FOG  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 80 3:00 AM  
LOWEST 25 3:00 PM  
AVERAGE 53  
   
......................................................  
 
THE ONTARIO INTL AIRPORT CA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 79 90 2007  
MINIMUM TEMPERATURE (F) 55 46 2003  
 
SUNRISE AND SUNSET  
MAY 10 2024...........SUNRISE 5:52 AM PDT SUNSET 7:42 PM PDT  
MAY 11 2024...........SUNRISE 5:52 AM PDT SUNSET 7:43 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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