198  
CDUS46 KSGX 190951  
CLIONT  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN DIEGO, CA  
151 AM PST SUN NOV 19 2023  
   
...............................
 
 
...THE ONTARIO INTL AIRPORT CA CLIMATE SUMMARY FOR NOVEMBER 18 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 71 12:17 PM 91 2019 74 -3 71  
MINIMUM 58 6:09 AM 41 2000 48 10 42  
AVERAGE 65 61 4 57  
 
PRECIPITATION (IN)  
YESTERDAY T R 0.00 MM 0.03 -0.03 0.00  
MONTH TO DATE 0.32 0.36 -0.04 2.09  
SINCE JUL 1 2.48 0.95 1.53 2.69  
SINCE OCT 1 0.32 0.77 -0.45 2.39  
SINCE JAN 1 20.92 9.31 11.61 4.09  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 5 -5 8  
MONTH TO DATE 26 57 -31 136  
SINCE SEP 1 31 84 -53 143  
SINCE JUL 1 31 84 -53 143  
 
COOLING  
YESTERDAY 0 1 -1 0  
MONTH TO DATE 22 34 -12 0  
SINCE SEP 1 504 588 -84 679  
SINCE JAN 1 1692 1961 -269 2301    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 4 RESULTANT WIND DIRECTION SW (240)  
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION SW (230)  
HIGHEST GUST SPEED 19 HIGHEST GUST DIRECTION SW (230)  
AVERAGE WIND SPEED 4.9  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.8  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
FOG  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 97 4:00 AM  
LOWEST 57 1:00 PM  
AVERAGE 77  
   
......................................................
 
 
THE ONTARIO INTL AIRPORT CA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 74 92 2006  
MINIMUM TEMPERATURE (F) 48 32 2015  
 
SUNRISE AND SUNSET  
NOVEMBER 19 2023......SUNRISE 6:27 AM PST SUNSET 4:45 PM PST  
NOVEMBER 20 2023......SUNRISE 6:28 AM PST SUNSET 4:44 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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