054  
CDUS46 KSGX 020020  
CLIONT  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN DIEGO, CA  
520 PM PDT MON MAY 01 2023  
   
...............................
 
 
   
..THE ONTARIO INTL AIRPORT CA CLIMATE SUMMARY FOR MAY 1 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 67 3:11 PM 94 2004 78 -11 76  
2014  
MINIMUM 53 6:37 AM 42 1999 54 -1 53  
AVERAGE 60 66 -6 65  
 
PRECIPITATION (IN)  
TODAY 0.02R T 2012 0.02 0.00 0.00  
MONTH TO DATE 0.02 0.02 0.00 0.00  
SINCE JUL 1 23.22 11.34 11.88 9.51  
SINCE OCT 1 22.92 11.16 11.76 9.02  
SINCE JAN 1 17.68 8.06 9.62 1.40  
 
DEGREE DAYS  
HEATING  
TODAY 5 2 3 0  
MONTH TO DATE 5 2 3 0  
SINCE MAR 1 479 279 200 208  
SINCE JUL 1 1840 1253 587 1125  
 
COOLING  
TODAY 0 3 -3 0  
MONTH TO DATE 0 3 -3 0  
SINCE MAR 1 49 83 -34 121  
SINCE JAN 1 49 96 -47 151    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 6 RESULTANT WIND DIRECTION W (250)  
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION SW (220)  
HIGHEST GUST SPEED 22 HIGHEST GUST DIRECTION SW (220)  
AVERAGE WIND SPEED 6.5  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.9  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 100 2:00 AM  
LOWEST 52 3:00 PM  
AVERAGE 76  
   
......................................................
 
 
THE ONTARIO INTL AIRPORT CA CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 78 101 2004  
MINIMUM TEMPERATURE (F) 54 46 1999  
 
SUNRISE AND SUNSET  
MAY 1 2023...........SUNRISE 6:01 AM PDT SUNSET 7:34 PM PDT  
MAY 2 2023...........SUNRISE 6:00 AM PDT SUNSET 7:35 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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