807  
CDUS46 KSGX 100026  
CLIONT  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN DIEGO, CA  
526 PM PDT TUE MAY 09 2023  
   
...............................
 
 
   
..THE ONTARIO INTL AIRPORT CA CLIMATE SUMMARY FOR MAY 9 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 69 3:21 PM 94 2007 79 -10 69  
MINIMUM 52 3:26 AM 49 2003 55 -3 52  
AVERAGE 61 67 -6 61  
 
PRECIPITATION (IN)  
TODAY 0.00 T 2013 0.02 -0.02 0.00  
2013  
2017  
MONTH TO DATE 0.78 0.13 0.65 T  
SINCE JUL 1 23.98 11.45 12.53 9.51  
SINCE OCT 1 23.68 11.27 12.41 9.02  
SINCE JAN 1 18.44 8.17 10.27 1.40  
 
DEGREE DAYS  
HEATING  
TODAY 4 2 2 4  
MONTH TO DATE 53 18 35 8  
SINCE MAR 1 527 295 232 216  
SINCE JUL 1 1888 1269 619 1133  
 
COOLING  
TODAY 0 3 -3 0  
MONTH TO DATE 0 27 -27 26  
SINCE MAR 1 49 107 -58 147  
SINCE JAN 1 49 120 -71 177    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 3 RESULTANT WIND DIRECTION W (250)  
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION SW (240)  
HIGHEST GUST SPEED 20 HIGHEST GUST DIRECTION W (280)  
AVERAGE WIND SPEED 5.0  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.7  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 93 6:00 AM  
LOWEST 51 3:00 PM  
AVERAGE 72  
   
......................................................
 
 
THE ONTARIO INTL AIRPORT CA CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 79 90 2007  
MINIMUM TEMPERATURE (F) 55 46 2003  
 
SUNRISE AND SUNSET  
MAY 9 2023...........SUNRISE 5:54 AM PDT SUNSET 7:40 PM PDT  
MAY 10 2023...........SUNRISE 5:53 AM PDT SUNSET 7:41 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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