492  
CDUS46 KSGX 160926  
CLIONT  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN DIEGO, CA  
226 AM PDT THU MAY 16 2024  
   
...............................  
 
   
..THE ONTARIO INTL AIRPORT CA CLIMATE SUMMARY FOR MAY 15 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 69 3:13 PM 102 2014 80 -11 83  
MINIMUM 57 11:16 PM 49 2011 56 1 58  
AVERAGE 63 68 -5 71  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.15 2017 0.01 -0.01 0.00  
MONTH TO DATE 0.15 0.20 -0.05 0.78  
SINCE JUL 1 19.80 11.52 8.28 23.78  
SINCE OCT 1 17.64 11.34 6.30 23.48  
SINCE JAN 1 16.29 8.24 8.05 18.24  
 
DEGREE DAYS  
HEATING  
YESTERDAY 2 1 1 0  
MONTH TO DATE 18 24 -6 62  
SINCE MAR 1 408 301 107 536  
SINCE JUL 1 1296 1275 21 1897  
 
COOLING  
YESTERDAY 0 4 -4 6  
MONTH TO DATE 20 50 -30 21  
SINCE MAR 1 45 130 -85 70  
SINCE JAN 1 45 143 -98 70    
...............................................................  
 
WIND (MPH)  
RESULTANT WIND SPEED 6 RESULTANT WIND DIRECTION W (260)  
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION W (270)  
HIGHEST GUST SPEED 20 HIGHEST GUST DIRECTION SW (230)  
AVERAGE WIND SPEED 6.6  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.9  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
FOG  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 75 7:00 AM  
LOWEST 54 3:00 PM  
AVERAGE 65  
   
......................................................  
 
THE ONTARIO INTL AIRPORT CA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 80 100 2008  
MINIMUM TEMPERATURE (F) 56 46 2011  
 
SUNRISE AND SUNSET  
MAY 16 2024...........SUNRISE 5:48 AM PDT SUNSET 7:46 PM PDT  
MAY 17 2024...........SUNRISE 5:47 AM PDT SUNSET 7:47 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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