378  
CDUS46 KSGX 220019  
CLIONT  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN DIEGO, CA  
519 PM PDT FRI APR 21 2023  
   
...............................
 
 
   
..THE ONTARIO INTL AIRPORT CA CLIMATE SUMMARY FOR APRIL 21 2023
 
 
VALID TODAY AS OF 0400 PM LOCAL TIME.  
 
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)  
TODAY  
MAXIMUM 90 3:16 PM 100 2009 77 13 72  
MINIMUM 53 5:17 AM 42 2010 52 1 49  
AVERAGE 72 64 8 61  
 
PRECIPITATION (IN)  
TODAY 0.00 0.24 2001 0.02 -0.02 0.01  
MONTH TO DATE 0.01 0.59 -0.58 0.04  
SINCE JUL 1 23.20 11.15 12.05 9.29  
SINCE OCT 1 22.90 10.97 11.93 8.80  
SINCE JAN 1 17.66 7.87 9.79 1.18  
 
DEGREE DAYS  
HEATING  
TODAY 0 3 -3 4  
MONTH TO DATE 115 79 36 52  
SINCE MAR 1 473 251 222 193  
SINCE JUL 1 1834 1225 609 1110  
 
COOLING  
TODAY 7 2 5 0  
MONTH TO DATE 16 32 -16 62  
SINCE MAR 1 16 55 -39 102  
SINCE JAN 1 16 68 -52 132    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 1 RESULTANT WIND DIRECTION E (100)  
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION SW (220)  
HIGHEST GUST SPEED 19 HIGHEST GUST DIRECTION SW (240)  
AVERAGE WIND SPEED 3.3  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 57 5:00 AM  
LOWEST 12 1:00 PM  
AVERAGE 35  
   
......................................................
 
 
THE ONTARIO INTL AIRPORT CA CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 77 95 2017  
MINIMUM TEMPERATURE (F) 52 42 2001  
 
SUNRISE AND SUNSET  
APRIL 21 2023.........SUNRISE 6:12 AM PDT SUNSET 7:26 PM PDT  
APRIL 22 2023.........SUNRISE 6:11 AM PDT SUNSET 7:27 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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