487  
CDUS46 KSGX 090930  
CLIONT  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN DIEGO, CA  
230 AM PDT MON SEP 09 2024  
   
...............................  
 
...THE ONTARIO INTL AIRPORT CA CLIMATE SUMMARY FOR SEPTEMBER 8 2024...  
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1998 TO 2024  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................  
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 109R 2:19 PM 106 2015 94 15 98  
MINIMUM 80 5:50 AM 55 2002 65 15 69  
AVERAGE 95 79 16 84  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 T 2010 0.00 0.00 0.00  
MONTH TO DATE 0.00 0.02 -0.02 0.19  
SINCE JUL 1 T 0.10 -0.10 2.11  
SINCE OCT 1 17.64 11.56 6.08 25.59  
SINCE JAN 1 16.29 8.46 7.83 20.35  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE SEP 1 0 0 0 0  
SINCE JUL 1 0 0 0 0  
 
COOLING  
YESTERDAY 30 14 16 19  
MONTH TO DATE 201 117 84 87  
SINCE SEP 1 201 117 84 87  
SINCE JAN 1 1575 1490 85 1275    
...............................................................  
 
WIND (MPH)  
RESULTANT WIND SPEED 4 RESULTANT WIND DIRECTION E (70)  
HIGHEST WIND SPEED 29 HIGHEST WIND DIRECTION NE (40)  
HIGHEST GUST SPEED 43 HIGHEST GUST DIRECTION E (80)  
AVERAGE WIND SPEED 3.9  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.4  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
THUNDERSTORM  
HAZE  
SANDSTORM  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 43 2:00 AM  
LOWEST 18 2:00 PM  
AVERAGE 31  
   
......................................................  
 
THE ONTARIO INTL AIRPORT CA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 93 105 2015  
MINIMUM TEMPERATURE (F) 65 55 2000  
 
SUNRISE AND SUNSET  
SEPTEMBER 9 2024.....SUNRISE 6:30 AM PDT SUNSET 7:04 PM PDT  
SEPTEMBER 10 2024.....SUNRISE 6:31 AM PDT SUNSET 7:03 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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