514  
CDUS46 KSGX 160850  
CLIONT  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN DIEGO, CA  
150 AM PDT MON OCT 16 2023  
   
...............................
 
 
   
..THE ONTARIO INTL AIRPORT CA CLIMATE SUMMARY FOR OCTOBER 15 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 95 2:56 PM 100 2020 83 12 69  
MINIMUM 59 6:35 AM 50 2000 57 2 60  
2017  
AVERAGE 77 70 7 65  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 T 2010 0.02 -0.02 0.30  
MONTH TO DATE T 0.15 -0.15 0.30  
SINCE JUL 1 2.16 0.33 1.83 0.60  
SINCE OCT 1 T 0.15 -0.15 0.30  
SINCE JAN 1 20.60 8.69 11.91 2.00  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 1 -1 0  
MONTH TO DATE 3 2 1 0  
SINCE SEP 1 4 3 1 0  
SINCE JUL 1 4 3 1 0  
 
COOLING  
YESTERDAY 12 6 6 0  
MONTH TO DATE 129 108 21 122  
SINCE SEP 1 392 486 -94 620  
SINCE JAN 1 1580 1859 -279 2242    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 2 RESULTANT WIND DIRECTION W (260)  
HIGHEST WIND SPEED 12 HIGHEST WIND DIRECTION W (270)  
HIGHEST GUST SPEED 14 HIGHEST GUST DIRECTION W (270)  
AVERAGE WIND SPEED 3.6  
 
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 67 1:00 AM  
LOWEST 15 3:00 PM  
AVERAGE 41  
   
......................................................
 
 
THE ONTARIO INTL AIRPORT CA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 82 102 2020  
MINIMUM TEMPERATURE (F) 57 51 1998  
 
SUNRISE AND SUNSET  
OCTOBER 16 2023.......SUNRISE 6:56 AM PDT SUNSET 6:15 PM PDT  
OCTOBER 17 2023.......SUNRISE 6:57 AM PDT SUNSET 6:14 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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