487  
CDUS46 KSGX 190027  
CLIONT  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN DIEGO, CA  
527 PM PDT THU APR 18 2024  
   
...............................
 
 
   
..THE ONTARIO INTL AIRPORT CA CLIMATE SUMMARY FOR APRIL 18 2024
 
 
VALID TODAY AS OF 0400 PM LOCAL TIME.  
 
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)  
TODAY  
MAXIMUM 78 3:02 PM 93 2019 76 2 64  
MINIMUM 53 5:15 AM 45 2006 51 2 49  
AVERAGE 66 64 2 57  
 
PRECIPITATION (IN)  
TODAY 0.00 0.03 2020 0.02 -0.02 0.00  
MONTH TO DATE 0.55 0.52 0.03 0.01  
SINCE JUL 1 19.64 11.08 8.56 23.00  
SINCE OCT 1 17.48 10.90 6.58 22.70  
SINCE JAN 1 16.13 7.80 8.33 17.46  
 
DEGREE DAYS  
HEATING  
TODAY 0 3 -3 8  
MONTH TO DATE 107 70 37 109  
SINCE MAR 1 363 242 121 467  
SINCE JUL 1 1251 1216 35 1828  
 
COOLING  
TODAY 1 2 -1 0  
MONTH TO DATE 16 26 -10 8  
SINCE MAR 1 16 49 -33 8  
SINCE JAN 1 16 62 -46 8    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 4 RESULTANT WIND DIRECTION SW (230)  
HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION SW (210)  
HIGHEST GUST SPEED 22 HIGHEST GUST DIRECTION SW (210)  
AVERAGE WIND SPEED 4.9  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.7  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 77 7:00 AM  
LOWEST 24 3:00 PM  
AVERAGE 51  
   
......................................................
 
 
THE ONTARIO INTL AIRPORT CA CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 76 96 2009  
MINIMUM TEMPERATURE (F) 51 43 2003  
 
SUNRISE AND SUNSET  
APRIL 18 2024.........SUNRISE 6:15 AM PDT SUNSET 7:25 PM PDT  
APRIL 19 2024.........SUNRISE 6:14 AM PDT SUNSET 7:26 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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