689  
CDUS46 KSGX 172321  
CLIONT  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN DIEGO, CA  
421 PM PDT FRI MAY 17 2024  
   
...............................
 
 
   
..THE ONTARIO INTL AIRPORT CA CLIMATE SUMMARY FOR MAY 17 2024
 
 
VALID TODAY AS OF 0400 PM LOCAL TIME.  
 
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)  
TODAY  
MAXIMUM 70 2:45 PM 102 2008 80 -10 85  
MINIMUM 58 6:06 AM 45 2006 56 2 56  
AVERAGE 64 68 -4 71  
 
PRECIPITATION (IN)  
TODAY 0.00 0.04 2011 0.01 -0.01 0.00  
MONTH TO DATE 0.15 0.22 -0.07 0.78  
SINCE JUL 1 19.80 11.54 8.26 23.78  
SINCE OCT 1 17.64 11.36 6.28 23.48  
SINCE JAN 1 16.29 8.26 8.03 18.24  
 
DEGREE DAYS  
HEATING  
TODAY 1 1 0 0  
MONTH TO DATE 21 26 -5 62  
SINCE MAR 1 411 303 108 536  
SINCE JUL 1 1299 1277 22 1897  
 
COOLING  
TODAY 0 4 -4 6  
MONTH TO DATE 20 58 -38 33  
SINCE MAR 1 45 138 -93 82  
SINCE JAN 1 45 151 -106 82    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 4 RESULTANT WIND DIRECTION W (250)  
HIGHEST WIND SPEED 9 HIGHEST WIND DIRECTION W (250)  
HIGHEST GUST SPEED 15 HIGHEST GUST DIRECTION SW (230)  
AVERAGE WIND SPEED 5.0  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 1.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
FOG  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 78 6:00 AM  
LOWEST 53 2:00 PM  
AVERAGE 66  
   
......................................................
 
 
THE ONTARIO INTL AIRPORT CA CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 80 101 2008  
MINIMUM TEMPERATURE (F) 56 49 2011  
2017  
 
SUNRISE AND SUNSET  
MAY 17 2024...........SUNRISE 5:47 AM PDT SUNSET 7:47 PM PDT  
MAY 18 2024...........SUNRISE 5:46 AM PDT SUNSET 7:48 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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