566  
CDUS46 KSGX 230949  
CLIONT  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN DIEGO, CA  
249 AM PDT SUN APR 23 2023  
   
...............................
 
 
   
..THE ONTARIO INTL AIRPORT CA CLIMATE SUMMARY FOR APRIL 22 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 89 1:55 PM 95 2017 77 12 62  
MINIMUM 58 4:07 AM 42 2001 52 6 51  
AVERAGE 74 64 10 57  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.22 2022 0.02 -0.02 0.22  
MONTH TO DATE 0.01 0.61 -0.60 0.26  
SINCE JUL 1 23.20 11.17 12.03 9.51  
SINCE OCT 1 22.90 10.99 11.91 9.02  
SINCE JAN 1 17.66 7.89 9.77 1.40  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 3 -3 8  
MONTH TO DATE 115 82 33 60  
SINCE MAR 1 473 254 219 201  
SINCE JUL 1 1834 1228 606 1118  
 
COOLING  
YESTERDAY 9 2 7 0  
MONTH TO DATE 25 34 -9 62  
SINCE MAR 1 25 57 -32 102  
SINCE JAN 1 25 70 -45 132    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 4 RESULTANT WIND DIRECTION W (260)  
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION SW (240)  
HIGHEST GUST SPEED 20 HIGHEST GUST DIRECTION W (260)  
AVERAGE WIND SPEED 4.8  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.3  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 51 6:00 AM  
LOWEST 22 1:00 PM  
AVERAGE 37  
   
......................................................
 
 
THE ONTARIO INTL AIRPORT CA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 77 92 2019  
2020  
MINIMUM TEMPERATURE (F) 52 42 2010  
 
SUNRISE AND SUNSET  
APRIL 23 2023.........SUNRISE 6:10 AM PDT SUNSET 7:28 PM PDT  
APRIL 24 2023.........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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