506  
CDUS46 KSGX 180918  
CLIONT  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN DIEGO, CA  
118 AM PST SAT NOV 18 2023  
   
...............................
 
 
...THE ONTARIO INTL AIRPORT CA CLIMATE SUMMARY FOR NOVEMBER 17 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 76 1:31 PM 92 2019 74 2 76  
MINIMUM 53 6:47 AM 39 2015 49 4 41  
AVERAGE 65 61 4 59  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.04 2012 0.02 -0.02 0.00  
MONTH TO DATE 0.32 0.33 -0.01 2.09  
SINCE JUL 1 2.48 0.92 1.56 2.69  
SINCE OCT 1 0.32 0.74 -0.42 2.39  
SINCE JAN 1 20.92 9.28 11.64 4.09  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 5 -5 6  
MONTH TO DATE 26 52 -26 128  
SINCE SEP 1 31 79 -48 135  
SINCE JUL 1 31 79 -48 135  
 
COOLING  
YESTERDAY 0 1 -1 0  
MONTH TO DATE 22 33 -11 0  
SINCE SEP 1 504 587 -83 679  
SINCE JAN 1 1692 1960 -268 2301    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 1 RESULTANT WIND DIRECTION N (340)  
HIGHEST WIND SPEED 12 HIGHEST WIND DIRECTION W (270)  
HIGHEST GUST SPEED 16 HIGHEST GUST DIRECTION W (250)  
AVERAGE WIND SPEED 4.5  
 
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 97 12:00 AM  
LOWEST 33 1:00 PM  
AVERAGE 65  
   
......................................................
 
 
THE ONTARIO INTL AIRPORT CA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 74 91 2019  
MINIMUM TEMPERATURE (F) 48 41 2000  
 
SUNRISE AND SUNSET  
NOVEMBER 18 2023......SUNRISE 6:26 AM PST SUNSET 4:45 PM PST  
NOVEMBER 19 2023......SUNRISE 6:27 AM PST SUNSET 4:45 PM PST  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 

 
 
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