359  
CDUS46 KSGX 310017  
CLIONT  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN DIEGO, CA  
517 PM PDT MON OCT 30 2023  
   
...............................
 
 
   
..THE ONTARIO INTL AIRPORT CA CLIMATE SUMMARY FOR OCTOBER 30 2023
 
 
VALID TODAY AS OF 0400 PM LOCAL TIME.  
 
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)  
TODAY  
MAXIMUM 79 2:59 PM 91 1999 80 -1 84  
MINIMUM 50 4:32 AM 44 2019 54 -4 49  
AVERAGE 65 67 -2 67  
 
PRECIPITATION (IN)  
TODAY 0.00 0.04 2010 0.02 -0.02 0.00  
MONTH TO DATE T 0.39 -0.39 0.30  
SINCE JUL 1 2.16 0.57 1.59 0.60  
SINCE OCT 1 T 0.39 -0.39 0.30  
SINCE JAN 1 20.60 8.93 11.67 2.00  
 
DEGREE DAYS  
HEATING  
TODAY 0 2 -2 0  
MONTH TO DATE 4 21 -17 7  
SINCE SEP 1 5 22 -17 7  
SINCE JUL 1 5 22 -17 7  
 
COOLING  
TODAY 0 3 -3 2  
MONTH TO DATE 216 173 43 179  
SINCE SEP 1 479 551 -72 677  
SINCE JAN 1 1667 1924 -257 2299    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 4 RESULTANT WIND DIRECTION N (340)  
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION E (70)  
HIGHEST GUST SPEED 25 HIGHEST GUST DIRECTION NW (310)  
AVERAGE WIND SPEED 7.2  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.3  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 23 4:00 AM  
LOWEST 12 1:00 AM  
AVERAGE 18  
   
......................................................
 
 
THE ONTARIO INTL AIRPORT CA CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 80 91 1999  
2015  
2020  
MINIMUM TEMPERATURE (F) 53 41 2019  
 
SUNRISE AND SUNSET  
OCTOBER 30 2023.......SUNRISE 7:08 AM PDT SUNSET 6:00 PM PDT  
OCTOBER 31 2023.......SUNRISE 7:09 AM PDT SUNSET 5:59 PM PDT  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 

 
 
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