970  
CDUS46 KSGX 170919  
CLIONT  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN DIEGO, CA  
219 AM PDT WED APR 17 2024  
   
...............................  
 
   
..THE ONTARIO INTL AIRPORT CA CLIMATE SUMMARY FOR APRIL 16 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 82 3:20 PM 92 2011 76 6 73  
MINIMUM 50 4:53 AM 43 2009 51 -1 49  
AVERAGE 66 63 3 61  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 T 2013 0.03 -0.03 0.00  
2013  
2019  
MONTH TO DATE 0.55 0.47 0.08 0.01  
SINCE JUL 1 19.64 11.03 8.61 23.00  
SINCE OCT 1 17.48 10.85 6.63 22.70  
SINCE JAN 1 16.13 7.75 8.38 17.46  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 4 -4 4  
MONTH TO DATE 107 64 43 95  
SINCE MAR 1 363 236 127 453  
SINCE JUL 1 1251 1210 41 1814  
 
COOLING  
YESTERDAY 1 2 -1 0  
MONTH TO DATE 11 22 -11 8  
SINCE MAR 1 11 45 -34 8  
SINCE JAN 1 11 58 -47 8    
...............................................................  
 
WIND (MPH)  
RESULTANT WIND SPEED 3 RESULTANT WIND DIRECTION W (250)  
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION W (250)  
HIGHEST GUST SPEED 26 HIGHEST GUST DIRECTION W (270)  
AVERAGE WIND SPEED 4.4  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.2  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 74 4:00 AM  
LOWEST 19 1:00 PM  
AVERAGE 47  
   
......................................................  
 
THE ONTARIO INTL AIRPORT CA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 76 92 1999  
MINIMUM TEMPERATURE (F) 51 43 2013  
 
SUNRISE AND SUNSET  
APRIL 17 2024.........SUNRISE 6:16 AM PDT SUNSET 7:24 PM PDT  
APRIL 18 2024.........SUNRISE 6:15 AM PDT SUNSET 7:25 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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