371  
CDUS46 KSGX 140920  
CLIONT  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN DIEGO, CA  
220 AM PDT MON AUG 14 2023  
   
...............................
 
 
   
..THE ONTARIO INTL AIRPORT CA CLIMATE SUMMARY FOR AUGUST 13 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 93 1:21 PM 105 2012 95 -2 101  
MINIMUM 65 5:03 AM 59 2010 65 0 71  
AVERAGE 79 80 -1 86  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.00 MM 0.00 0.00 0.00  
MONTH TO DATE T 0.01 -0.01 T  
SINCE JUL 1 T 0.06 -0.06 0.03  
SINCE OCT 1 23.68 11.52 12.16 9.05  
SINCE JAN 1 18.44 8.42 10.02 1.43  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE JUN 1 16 4 12 0  
SINCE JUL 1 0 0 0 0  
 
COOLING  
YESTERDAY 14 15 -1 21  
MONTH TO DATE 188 195 -7 251  
SINCE JUN 1 786 887 -101 1063  
SINCE JAN 1 891 1101 -210 1319    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 5 RESULTANT WIND DIRECTION W (250)  
HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION W (260)  
HIGHEST GUST SPEED 23 HIGHEST GUST DIRECTION W (250)  
AVERAGE WIND SPEED 6.8  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.2  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 87 6:00 AM  
LOWEST 36 1:00 PM  
AVERAGE 62  
   
......................................................
 
 
THE ONTARIO INTL AIRPORT CA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 95 105 2003  
2015  
2020  
MINIMUM TEMPERATURE (F) 65 57 2010  
 
SUNRISE AND SUNSET  
AUGUST 14 2023........SUNRISE 6:11 AM PDT SUNSET 7:39 PM PDT  
AUGUST 15 2023........SUNRISE 6:12 AM PDT SUNSET 7:37 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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