952  
CDUS46 KSGX 230932  
CLIONT  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN DIEGO, CA  
232 AM PDT MON OCT 23 2023  
   
...............................
 
 
   
..THE ONTARIO INTL AIRPORT CA CLIMATE SUMMARY FOR OCTOBER 22 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 75 2:42 PM 100 2003 81 -6 72  
MINIMUM 57 6:30 AM 50 2004 56 1 58  
AVERAGE 66 68 -2 65  
 
PRECIPITATION (IN)  
YESTERDAY T 0.03 2010 0.02 -0.02 T  
MONTH TO DATE T 0.26 -0.26 0.30  
SINCE JUL 1 2.16 0.44 1.72 0.60  
SINCE OCT 1 T 0.26 -0.26 0.30  
SINCE JAN 1 20.60 8.80 11.80 2.00  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 1 -1 0  
MONTH TO DATE 3 9 -6 1  
SINCE SEP 1 4 10 -6 1  
SINCE JUL 1 4 10 -6 1  
 
COOLING  
YESTERDAY 1 4 -3 0  
MONTH TO DATE 211 142 69 173  
SINCE SEP 1 474 520 -46 671  
SINCE JAN 1 1662 1893 -231 2293    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 5 RESULTANT WIND DIRECTION SW (240)  
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION W (250)  
HIGHEST GUST SPEED 20 HIGHEST GUST DIRECTION W (250)  
AVERAGE WIND SPEED 6.0  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.4  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 100 7:00 AM  
LOWEST 51 2:00 PM  
AVERAGE 76  
   
......................................................
 
 
THE ONTARIO INTL AIRPORT CA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 81 104 2017  
MINIMUM TEMPERATURE (F) 55 50 2004  
 
SUNRISE AND SUNSET  
OCTOBER 23 2023.......SUNRISE 7:02 AM PDT SUNSET 6:07 PM PDT  
OCTOBER 24 2023.......SUNRISE 7:03 AM PDT SUNSET 6:06 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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