009  
CDUS46 KSGX 280921  
CLIONT  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN DIEGO, CA  
221 AM PDT TUE MAY 28 2024  
   
...............................
 
 
   
..THE ONTARIO INTL AIRPORT CA CLIMATE SUMMARY FOR MAY 27 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 80 2:28 PM 99 2000 81 -1 74  
MINIMUM 53 3:11 AM 46 1998 57 -4 56  
AVERAGE 67 69 -2 65  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.01 2001 0.00 0.00 0.00  
MONTH TO DATE 0.15 0.28 -0.13 0.78  
SINCE JUL 1 19.80 11.60 8.20 23.78  
SINCE OCT 1 17.64 11.42 6.22 23.48  
SINCE JAN 1 16.29 8.32 7.97 18.24  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 1 -1 0  
MONTH TO DATE 34 36 -2 68  
SINCE MAR 1 424 313 111 542  
SINCE JUL 1 1312 1287 25 1903  
 
COOLING  
YESTERDAY 2 5 -3 0  
MONTH TO DATE 23 99 -76 56  
SINCE MAR 1 48 179 -131 105  
SINCE JAN 1 48 192 -144 105    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 7 RESULTANT WIND DIRECTION W (250)  
HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION W (250)  
HIGHEST GUST SPEED 23 HIGHEST GUST DIRECTION W (260)  
AVERAGE WIND SPEED 6.7  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.1  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 80 6:00 AM  
LOWEST 31 2:00 PM  
AVERAGE 56  
   
......................................................
 
 
THE ONTARIO INTL AIRPORT CA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 81 103 2003  
MINIMUM TEMPERATURE (F) 57 50 2010  
2019  
 
SUNRISE AND SUNSET  
MAY 28 2024...........SUNRISE 5:41 AM PDT SUNSET 7:55 PM PDT  
MAY 29 2024...........SUNRISE 5:41 AM PDT SUNSET 7:55 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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