676  
CDUS46 KSGX 180951  
CLIONT  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN DIEGO, CA  
151 AM PST THU JAN 18 2024  
   
...............................
 
 
   
..THE ONTARIO INTL AIRPORT CA CLIMATE SUMMARY FOR JANUARY 17 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 61 2:43 PM 86 2014 68 -7 55  
MINIMUM 48 3:19 AM 32 2007 45 3 41  
AVERAGE 55 56 -1 48  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.31 2019 0.08 -0.08 0.00  
MONTH TO DATE 0.44 1.49 -1.05 5.82  
SINCE JUL 1 3.95 4.77 -0.82 11.36  
SINCE OCT 1 1.79 4.59 -2.80 11.06  
SINCE JAN 1 0.44 1.49 -1.05 5.82  
 
DEGREE DAYS  
HEATING  
YESTERDAY 10 9 1 17  
MONTH TO DATE 230 157 73 211  
SINCE DEC 1 421 461 -40 562  
SINCE JUL 1 514 623 -109 788  
 
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 3 RESULTANT WIND DIRECTION W (250)  
HIGHEST WIND SPEED 12 HIGHEST WIND DIRECTION W (260)  
HIGHEST GUST SPEED 14 HIGHEST GUST DIRECTION W (270)  
AVERAGE WIND SPEED 3.4  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.9  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
FOG  
FOG W/VISIBILITY <= 1/4 MILE  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 96 9:00 AM  
LOWEST 55 3:00 PM  
AVERAGE 76  
   
......................................................
 
 
THE ONTARIO INTL AIRPORT CA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 68 83 2014  
MINIMUM TEMPERATURE (F) 45 35 2007  
 
SUNRISE AND SUNSET  
JANUARY 18 2024.......SUNRISE 6:55 AM PST SUNSET 5:07 PM PST  
JANUARY 19 2024.......SUNRISE 6:55 AM PST SUNSET 5:08 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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