281  
CDUS46 KSGX 310935  
CLIONT  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN DIEGO, CA  
235 AM PDT SUN MAR 31 2024  
   
...............................  
 
   
..THE ONTARIO INTL AIRPORT CA CLIMATE SUMMARY FOR MARCH 30 2024  
 
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)  
YESTERDAY  
MAXIMUM 53 4:48 PM 88 2011 74 -21 57  
2018  
MINIMUM 47 12:48 PM 43 2020 49 -2 44  
AVERAGE 50 61 -11 51  
 
PRECIPITATION (IN)  
YESTERDAY 1.42R 0.16 2023 0.04 1.38 0.16  
MONTH TO DATE 3.16 1.60 1.56 7.86  
SINCE JUL 1 18.76 10.52 8.24 22.99  
SINCE OCT 1 16.60 10.34 6.26 22.69  
SINCE JAN 1 15.25 7.24 8.01 17.45  
 
DEGREE DAYS  
HEATING  
YESTERDAY 15 4 11 14  
MONTH TO DATE 243 166 77 347  
SINCE MAR 1 243 166 77 347  
SINCE JUL 1 1131 1140 -9 1708  
 
COOLING  
YESTERDAY 0 1 -1 0  
MONTH TO DATE 0 25 -25 0  
SINCE MAR 1 0 25 -25 0  
SINCE JAN 1 0 38 -38 0    
...............................................................  
 
WIND (MPH)  
RESULTANT WIND SPEED 3 RESULTANT WIND DIRECTION E (70)  
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION W (260)  
HIGHEST GUST SPEED 24 HIGHEST GUST DIRECTION W (270)  
AVERAGE WIND SPEED 5.6  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.9  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
HEAVY RAIN  
RAIN  
LIGHT RAIN  
FOG  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 90 5:00 AM  
LOWEST 65 12:00 AM  
AVERAGE 78  
   
......................................................  
 
THE ONTARIO INTL AIRPORT CA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 74 93 2011  
MINIMUM TEMPERATURE (F) 49 41 2023  
 
SUNRISE AND SUNSET  
MARCH 31 2024.........SUNRISE 6:38 AM PDT SUNSET 7:11 PM PDT  
APRIL 1 2024.........SUNRISE 6:37 AM PDT SUNSET 7:12 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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