257  
CDUS46 KSGX 220923  
CLIONT  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN DIEGO, CA  
223 AM PDT MON APR 22 2024  
   
...............................
 
 
   
..THE ONTARIO INTL AIRPORT CA CLIMATE SUMMARY FOR APRIL 21 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 84 2:35 PM 100 2009 77 7 90  
MINIMUM 53 5:35 AM 42 2010 52 1 53  
AVERAGE 69 64 5 72  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.24 2001 0.02 -0.02 0.00  
MONTH TO DATE 0.55 0.59 -0.04 0.01  
SINCE JUL 1 19.64 11.15 8.49 23.00  
SINCE OCT 1 17.48 10.97 6.51 22.70  
SINCE JAN 1 16.13 7.87 8.26 17.46  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 3 -3 0  
MONTH TO DATE 110 79 31 115  
SINCE MAR 1 366 251 115 473  
SINCE JUL 1 1254 1225 29 1834  
 
COOLING  
YESTERDAY 4 2 2 7  
MONTH TO DATE 20 32 -12 16  
SINCE MAR 1 20 55 -35 16  
SINCE JAN 1 20 68 -48 16    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 6 RESULTANT WIND DIRECTION W (250)  
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION W (250)  
HIGHEST GUST SPEED 25 HIGHEST GUST DIRECTION SW (240)  
AVERAGE WIND SPEED 6.1  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.1  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
FOG  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 86 6:00 AM  
LOWEST 33 1:00 PM  
AVERAGE 60  
   
......................................................
 
 
THE ONTARIO INTL AIRPORT CA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 77 95 2017  
MINIMUM TEMPERATURE (F) 52 42 2001  
 
SUNRISE AND SUNSET  
APRIL 22 2024.........SUNRISE 6:10 AM PDT SUNSET 7:28 PM PDT  
APRIL 23 2024.........SUNRISE 6:09 AM PDT SUNSET 7:29 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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