227  
CDUS46 KSGX 190925  
CLIONT  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN DIEGO, CA  
225 AM PDT SUN MAY 19 2024  
   
...............................  
 
   
..THE ONTARIO INTL AIRPORT CA CLIMATE SUMMARY FOR MAY 18 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 76 2:23 PM 101 2008 80 -4 78  
MINIMUM 54 2:10 AM 49 2011 56 -2 56  
2017  
AVERAGE 65 68 -3 67  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.21 2011 0.01 -0.01 0.00  
MONTH TO DATE 0.15 0.23 -0.08 0.78  
SINCE JUL 1 19.80 11.55 8.25 23.78  
SINCE OCT 1 17.64 11.37 6.27 23.48  
SINCE JAN 1 16.29 8.27 8.02 18.24  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 1 -1 0  
MONTH TO DATE 22 27 -5 62  
SINCE MAR 1 412 304 108 536  
SINCE JUL 1 1300 1278 22 1897  
 
COOLING  
YESTERDAY 0 4 -4 2  
MONTH TO DATE 20 62 -42 35  
SINCE MAR 1 45 142 -97 84  
SINCE JAN 1 45 155 -110 84    
...............................................................  
 
WIND (MPH)  
RESULTANT WIND SPEED 5 RESULTANT WIND DIRECTION W (260)  
HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION SW (230)  
HIGHEST GUST SPEED 25 HIGHEST GUST DIRECTION W (260)  
AVERAGE WIND SPEED 5.6  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.5  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
FOG  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 81 8:00 AM  
LOWEST 37 2:00 PM  
AVERAGE 59  
   
......................................................  
 
THE ONTARIO INTL AIRPORT CA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 80 97 2008  
MINIMUM TEMPERATURE (F) 56 46 2011  
 
SUNRISE AND SUNSET  
MAY 19 2024...........SUNRISE 5:46 AM PDT SUNSET 7:49 PM PDT  
MAY 20 2024...........SUNRISE 5:45 AM PDT SUNSET 7:49 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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