126  
CDUS46 KSGX 012318  
CLIONT  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN DIEGO, CA  
418 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 66 2:42 PM 94 2004 78 -12 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 16 HIGHEST WIND DIRECTION W (280)  
HIGHEST GUST SPEED 17 HIGHEST GUST DIRECTION W (280)  
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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