926  
CDUS46 KSGX 170927  
CLIONT  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN DIEGO, CA  
127 AM PST WED JAN 17 2024  
   
...............................
 
 
   
..THE ONTARIO INTL AIRPORT CA CLIMATE SUMMARY FOR JANUARY 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 73 3:18 PM 88 2021 68 5 57  
MINIMUM 44 5:12 AM 34 2006 45 -1 46  
2007  
AVERAGE 59 56 3 52  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.71 2019 0.09 -0.09 0.62  
MONTH TO DATE 0.44 1.41 -0.97 5.82  
SINCE JUL 1 3.95 4.69 -0.74 11.36  
SINCE OCT 1 1.79 4.51 -2.72 11.06  
SINCE JAN 1 0.44 1.41 -0.97 5.82  
 
DEGREE DAYS  
HEATING  
YESTERDAY 6 9 -3 13  
MONTH TO DATE 220 148 72 194  
SINCE DEC 1 411 452 -41 545  
SINCE JUL 1 504 614 -110 771  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE DEC 1 2 2 0 0  
SINCE JAN 1 0 0 0 0    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 1 RESULTANT WIND DIRECTION W (280)  
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION W (260)  
HIGHEST GUST SPEED 15 HIGHEST GUST DIRECTION W (270)  
AVERAGE WIND SPEED 3.4  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.5  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 80 4:00 AM  
LOWEST 17 3:00 PM  
AVERAGE 49  
   
......................................................
 
 
THE ONTARIO INTL AIRPORT CA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 68 86 2014  
MINIMUM TEMPERATURE (F) 45 32 2007  
 
SUNRISE AND SUNSET  
JANUARY 17 2024.......SUNRISE 6:55 AM PST SUNSET 5:06 PM PST  
JANUARY 18 2024.......SUNRISE 6:55 AM PST SUNSET 5:07 PM PST  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 

 
 
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