363  
CDUS46 KSGX 290920  
CLIONT  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN DIEGO, CA  
220 AM PDT MON APR 29 2024  
   
...............................
 
 
   
..THE ONTARIO INTL AIRPORT CA CLIMATE SUMMARY FOR APRIL 28 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 78 3:19 PM 97 2008 78 0 84  
MINIMUM 50 4:11 AM 45 2002 53 -3 53  
AVERAGE 64 65 -1 69  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.72 2005 0.02 -0.02 0.00  
MONTH TO DATE 0.56 0.73 -0.17 0.01  
SINCE JUL 1 19.65 11.29 8.36 23.00  
SINCE OCT 1 17.49 11.11 6.38 22.70  
SINCE JAN 1 16.14 8.01 8.13 17.46  
 
DEGREE DAYS  
HEATING  
YESTERDAY 1 3 -2 0  
MONTH TO DATE 134 100 34 116  
SINCE MAR 1 390 272 118 474  
SINCE JUL 1 1278 1246 32 1835  
 
COOLING  
YESTERDAY 0 3 -3 4  
MONTH TO DATE 21 51 -30 42  
SINCE MAR 1 21 74 -53 42  
SINCE JAN 1 21 87 -66 42    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 4 RESULTANT WIND DIRECTION SW (240)  
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION SW (240)  
HIGHEST GUST SPEED 21 HIGHEST GUST DIRECTION SW (240)  
AVERAGE WIND SPEED 4.8  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.1  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 71 6:00 AM  
LOWEST 27 2:00 PM  
AVERAGE 49  
   
......................................................
 
 
THE ONTARIO INTL AIRPORT CA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 78 97 2021  
MINIMUM TEMPERATURE (F) 53 42 1999  
 
SUNRISE AND SUNSET  
APRIL 29 2024.........SUNRISE 6:03 AM PDT SUNSET 7:33 PM PDT  
APRIL 30 2024.........SUNRISE 6:02 AM PDT SUNSET 7:34 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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