520  
CDUS46 KSGX 242341  
CLIONT  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN DIEGO, CA  
441 PM PDT FRI MAY 24 2024  
   
...............................
 
 
   
..THE ONTARIO INTL AIRPORT CA CLIMATE SUMMARY FOR MAY 24 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 68 2:23 PM 97 2021 81 -13 71  
MINIMUM 56 12:24 AM 48 2010 57 -1 57  
AVERAGE 62 69 -7 64  
 
PRECIPITATION (IN)  
TODAY T R T 2012 0.01 -0.01 T  
2018  
2023  
MONTH TO DATE 0.15 0.27 -0.12 0.78  
SINCE JUL 1 19.80 11.59 8.21 23.78  
SINCE OCT 1 17.64 11.41 6.23 23.48  
SINCE JAN 1 16.29 8.31 7.98 18.24  
 
DEGREE DAYS  
HEATING  
TODAY 3 1 2 1  
MONTH TO DATE 31 33 -2 64  
SINCE MAR 1 421 310 111 538  
SINCE JUL 1 1309 1284 25 1899  
 
COOLING  
TODAY 0 4 -4 0  
MONTH TO DATE 21 86 -65 56  
SINCE MAR 1 46 166 -120 105  
SINCE JAN 1 46 179 -133 105    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 6 RESULTANT WIND DIRECTION W (250)  
HIGHEST WIND SPEED 10 HIGHEST WIND DIRECTION W (290)  
HIGHEST GUST SPEED 16 HIGHEST GUST DIRECTION W (290)  
AVERAGE WIND SPEED 6.8  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.9  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
LIGHT RAIN  
FOG  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 87 6:00 AM  
LOWEST 47 3:00 PM  
AVERAGE 67  
   
......................................................
 
 
THE ONTARIO INTL AIRPORT CA CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 81 92 2020  
2021  
MINIMUM TEMPERATURE (F) 57 48 2010  
 
SUNRISE AND SUNSET  
MAY 24 2024...........SUNRISE 5:43 AM PDT SUNSET 7:52 PM PDT  
MAY 25 2024...........SUNRISE 5:43 AM PDT SUNSET 7:53 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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