245  
CDUS46 KSGX 200930  
CLIONT  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN DIEGO, CA  
230 AM PDT TUE AUG 20 2024  
   
...............................  
 
   
..THE ONTARIO INTL AIRPORT CA CLIMATE SUMMARY FOR AUGUST 19 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 99 3:14 PM 107 2020 95 4 89  
MINIMUM 67 5:33 AM 59 2009 65 2 65  
AVERAGE 83 80 3 77  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 T 2021 0.00 0.00 0.00  
MONTH TO DATE T 0.02 -0.02 T  
SINCE JUL 1 T 0.07 -0.07 T  
SINCE OCT 1 17.64 11.53 6.11 23.48  
SINCE JAN 1 16.29 8.43 7.86 18.24  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE JUN 1 2 4 -2 16  
SINCE JUL 1 0 0 0 0  
 
COOLING  
YESTERDAY 18 15 3 12  
MONTH TO DATE 352 285 67 295  
SINCE JUN 1 1157 977 180 893  
SINCE JAN 1 1218 1191 27 998    
...............................................................  
 
WIND (MPH)  
RESULTANT WIND SPEED 5 RESULTANT WIND DIRECTION W (250)  
HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION W (260)  
HIGHEST GUST SPEED 21 HIGHEST GUST DIRECTION W (260)  
AVERAGE WIND SPEED 4.5  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 79 5:00 AM  
LOWEST 14 3:00 PM  
AVERAGE 47  
   
......................................................  
 
THE ONTARIO INTL AIRPORT CA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 95 104 2020  
MINIMUM TEMPERATURE (F) 65 59 2006  
 
SUNRISE AND SUNSET  
AUGUST 20 2024........SUNRISE 6:16 AM PDT SUNSET 7:31 PM PDT  
AUGUST 21 2024........SUNRISE 6:17 AM PDT SUNSET 7:30 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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