412  
CDUS46 KSGX 042332  
CLIONT  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN DIEGO, CA  
432 PM PDT WED OCT 04 2023  
   
...............................
 
 
   
..THE ONTARIO INTL AIRPORT CA CLIMATE SUMMARY FOR OCTOBER 4 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 94 2:59 PM 102 2014 85 9 89  
MINIMUM 60 5:43 AM 51 2009 60 0 63  
AVERAGE 77 73 4 76  
 
PRECIPITATION (IN)  
TODAY 0.00 T 2011 0.01 -0.01 0.00  
2018  
2021  
MONTH TO DATE 0.00 0.03 -0.03 0.00  
SINCE JUL 1 2.16 0.21 1.95 0.30  
SINCE OCT 1 0.00 0.03 -0.03 0.00  
SINCE JAN 1 20.60 8.57 12.03 1.70  
 
DEGREE DAYS  
HEATING  
TODAY 0 0 0 0  
MONTH TO DATE 3 0 3 0  
SINCE SEP 1 4 1 3 0  
SINCE JUL 1 4 1 3 0  
 
COOLING  
TODAY 12 8 4 11  
MONTH TO DATE 17 34 -17 36  
SINCE SEP 1 280 412 -132 534  
SINCE JAN 1 1468 1785 -317 2156    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 7 RESULTANT WIND DIRECTION NE (30)  
HIGHEST WIND SPEED 24 HIGHEST WIND DIRECTION N (20)  
HIGHEST GUST SPEED 32 HIGHEST GUST DIRECTION N (20)  
AVERAGE WIND SPEED 8.1  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 62 3:00 AM  
LOWEST 16 3:00 PM  
AVERAGE 39  
   
......................................................
 
 
THE ONTARIO INTL AIRPORT CA CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 85 100 2014  
MINIMUM TEMPERATURE (F) 60 50 2009  
 
SUNRISE AND SUNSET  
OCTOBER 4 2023.......SUNRISE 6:47 AM PDT SUNSET 6:31 PM PDT  
OCTOBER 5 2023.......SUNRISE 6:48 AM PDT SUNSET 6:29 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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