251  
CDUS46 KSGX 280958  
CLIONT  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN DIEGO, CA  
158 AM PST TUE NOV 28 2023  
   
...............................
 
 
...THE ONTARIO INTL AIRPORT CA CLIMATE SUMMARY FOR NOVEMBER 27 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 72 3:07 PM 88 2014 71 1 73  
MINIMUM 41 4:22 AM 35 2010 46 -5 41  
AVERAGE 57 58 -1 57  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.48 2019 0.04 -0.04 0.00  
MONTH TO DATE 0.32 0.68 -0.36 2.09  
SINCE JUL 1 2.48 1.27 1.21 2.69  
SINCE OCT 1 0.32 1.09 -0.77 2.39  
SINCE JAN 1 20.92 9.63 11.29 4.09  
 
DEGREE DAYS  
HEATING  
YESTERDAY 8 7 1 8  
MONTH TO DATE 65 112 -47 194  
SINCE SEP 1 70 139 -69 201  
SINCE JUL 1 70 139 -69 201  
 
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 2 RESULTANT WIND DIRECTION NE (60)  
HIGHEST WIND SPEED 10 HIGHEST WIND DIRECTION NE (60)  
HIGHEST GUST SPEED 15 HIGHEST GUST DIRECTION NE (40)  
AVERAGE WIND SPEED 3.1  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.7  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 51 2:00 AM  
LOWEST 14 1:00 PM  
AVERAGE 33  
   
......................................................
 
 
THE ONTARIO INTL AIRPORT CA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 70 83 2014  
2021  
MINIMUM TEMPERATURE (F) 46 34 2015  
 
SUNRISE AND SUNSET  
NOVEMBER 28 2023......SUNRISE 6:35 AM PST SUNSET 4:42 PM PST  
NOVEMBER 29 2023......SUNRISE 6:36 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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