407  
CDUS46 KSGX 032330  
CLIONT  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN DIEGO, CA  
430 PM PDT FRI MAY 03 2024  
   
...............................
 
 
   
..THE ONTARIO INTL AIRPORT CA CLIMATE SUMMARY FOR MAY 3 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 71 2:59 PM 103 1970 78 -7 66  
2004  
MINIMUM 57 7:51 AM 48 2023 54 3 48  
AVERAGE 64 66 -2 57  
 
PRECIPITATION (IN)  
TODAY T 0.42 2003 0.02 -0.02 T  
MONTH TO DATE T 0.05 -0.05 0.02  
SINCE JUL 1 19.65 11.37 8.28 23.02  
SINCE OCT 1 17.49 11.19 6.30 22.72  
SINCE JAN 1 16.14 8.09 8.05 17.48  
 
DEGREE DAYS  
HEATING  
TODAY 1 2 -1 8  
MONTH TO DATE 2 6 -4 20  
SINCE MAR 1 392 283 109 494  
SINCE JUL 1 1280 1257 23 1855  
 
COOLING  
TODAY 0 3 -3 0  
MONTH TO DATE 2 9 -7 0  
SINCE MAR 1 27 89 -62 49  
SINCE JAN 1 27 102 -75 49    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 4 RESULTANT WIND DIRECTION SW (240)  
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION W (260)  
HIGHEST GUST SPEED 20 HIGHEST GUST DIRECTION W (270)  
AVERAGE WIND SPEED 4.2  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.9  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
LIGHT RAIN  
FOG  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 89 5:00 AM  
LOWEST 45 3:00 PM  
AVERAGE 67  
   
......................................................
 
 
THE ONTARIO INTL AIRPORT CA CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 78 95 2004  
MINIMUM TEMPERATURE (F) 54 46 2001  
 
SUNRISE AND SUNSET  
MAY 3 2024...........SUNRISE 5:59 AM PDT SUNSET 7:36 PM PDT  
MAY 4 2024...........SUNRISE 5:58 AM PDT SUNSET 7:37 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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