270  
CDUS46 KSGX 021018  
CLIONT  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN DIEGO, CA  
218 AM PST SAT DEC 02 2023  
   
...............................  
 
   
..THE ONTARIO INTL AIRPORT CA CLIMATE SUMMARY FOR DECEMBER 1 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 65 3:13 PM 87 2021 69 -4 57  
MINIMUM 47 6:49 AM 32 2004 45 2 51  
AVERAGE 56 57 -1 54  
 
PRECIPITATION (IN)  
YESTERDAY T 0.10 2007 0.04 -0.04 0.00  
MONTH TO DATE T 0.04 -0.04 0.00  
SINCE JUL 1 2.53 1.43 1.10 2.69  
SINCE OCT 1 0.37 1.25 -0.88 2.39  
SINCE JAN 1 20.97 9.79 11.18 4.09  
 
DEGREE DAYS  
HEATING  
YESTERDAY 9 8 1 11  
MONTH TO DATE 9 8 1 11  
SINCE DEC 1 9 8 1 11  
SINCE JUL 1 102 170 -68 237  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE DEC 1 0 0 0 0  
SINCE JAN 1 1693 1967 -274 2301    
...............................................................  
 
WIND (MPH)  
RESULTANT WIND SPEED 1 RESULTANT WIND DIRECTION W (260)  
HIGHEST WIND SPEED 10 HIGHEST WIND DIRECTION SW (220)  
HIGHEST GUST SPEED 14 HIGHEST GUST DIRECTION S (170)  
AVERAGE WIND SPEED 3.1  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.4  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 93 12:00 AM  
LOWEST 42 5:00 PM  
AVERAGE 68  
   
......................................................  
 
THE ONTARIO INTL AIRPORT CA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 69 81 2020  
MINIMUM TEMPERATURE (F) 45 31 2004  
 
SUNRISE AND SUNSET  
DECEMBER 2 2023......SUNRISE 6:39 AM PST SUNSET 4:41 PM PST  
DECEMBER 3 2023......SUNRISE 6:39 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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