096  
CDUS46 KSGX 170930  
CLIONT  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN DIEGO, CA  
230 AM PDT MON JUL 17 2023  
   
...............................
 
 
   
..THE ONTARIO INTL AIRPORT CA CLIMATE SUMMARY FOR JULY 16 2023
 
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1998 TO 2023  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 98 1:33 PM 106 1998 94 4 97  
MINIMUM 67 5:13 AM 57 2011 65 2 69  
AVERAGE 83 80 3 83  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.00 2004 0.00 0.00 0.00  
2005  
2006  
MONTH TO DATE 0.00 0.02 -0.02 0.00  
SINCE JUL 1 0.00 0.02 -0.02 0.00  
SINCE OCT 1 23.68 11.48 12.20 9.02  
SINCE JAN 1 18.44 8.38 10.06 1.40  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE JUN 1 16 4 12 0  
SINCE JUL 1 0 0 0 0  
 
COOLING  
YESTERDAY 18 15 3 18  
MONTH TO DATE 214 217 -3 193  
SINCE JUN 1 305 467 -162 571  
SINCE JAN 1 410 681 -271 827    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 6 RESULTANT WIND DIRECTION SW (240)  
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION SW (220)  
HIGHEST GUST SPEED 23 HIGHEST GUST DIRECTION W (250)  
AVERAGE WIND SPEED 6.5  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.3  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 75 5:00 AM  
LOWEST 33 1:00 PM  
AVERAGE 54  
   
......................................................
 
 
THE ONTARIO INTL AIRPORT CA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 94 102 1998  
MINIMUM TEMPERATURE (F) 65 57 2001  
 
SUNRISE AND SUNSET  
JULY 17 2023..........SUNRISE 5:51 AM PDT SUNSET 8:02 PM PDT  
JULY 18 2023..........SUNRISE 5:52 AM PDT SUNSET 8:01 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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