858  
CDUS46 KSGX 301440  
CLIONT  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN DIEGO, CA  
640 AM PST THU NOV 30 2023  
   
...............................
 
 
...THE ONTARIO INTL AIRPORT CA CLIMATE SUMMARY FOR NOVEMBER 29 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 64 2:05 PM 84 2021 70 -6 64  
MINIMUM 44 4:37 AM 32 2010 45 -1 49  
AVERAGE 54 58 -4 57  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.44 2018 0.04 -0.04 0.00  
MONTH TO DATE 0.32 0.76 -0.44 2.09  
SINCE JUL 1 2.48 1.35 1.13 2.69  
SINCE OCT 1 0.32 1.17 -0.85 2.39  
SINCE JAN 1 20.92 9.71 11.21 4.09  
 
DEGREE DAYS  
HEATING  
YESTERDAY 11 8 3 8  
MONTH TO DATE 80 127 -47 211  
SINCE SEP 1 85 154 -69 218  
SINCE JUL 1 85 154 -69 218  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 23 39 -16 0  
SINCE SEP 1 505 593 -88 679  
SINCE JAN 1 1693 1966 -273 2301    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 4 RESULTANT WIND DIRECTION W (250)  
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION SW (230)  
HIGHEST GUST SPEED 18 HIGHEST GUST DIRECTION SW (230)  
AVERAGE WIND SPEED 4.7  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.6  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 86 10:00 PM  
LOWEST 46 2:00 PM  
AVERAGE 66  
   
......................................................
 
 
THE ONTARIO INTL AIRPORT CA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 70 88 2021  
MINIMUM TEMPERATURE (F) 45 32 2010  
 
SUNRISE AND SUNSET  
NOVEMBER 30 2023......SUNRISE 6:37 AM PST SUNSET 4:41 PM PST  
DECEMBER 1 2023......SUNRISE 6:38 AM PST SUNSET 4:41 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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