004  
CDUS46 KSGX 010020  
CLIONT  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN DIEGO, CA  
420 PM PST WED JAN 31 2024  
   
...............................
 
 
   
..THE ONTARIO INTL AIRPORT CA CLIMATE SUMMARY FOR JANUARY 31 2024
 
 
VALID TODAY AS OF 0400 PM LOCAL TIME.  
 
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)  
TODAY  
MAXIMUM 73 1:59 PM 90 2003 68 5 63  
MINIMUM 51 1:06 AM 31 2002 45 6 36  
AVERAGE 62 56 6 50  
 
PRECIPITATION (IN)  
TODAY 0.00 0.41 2016 0.09 -0.09 0.00  
MONTH TO DATE 0.78 2.57 -1.79 5.88  
SINCE JUL 1 4.29 5.85 -1.56 11.42  
SINCE OCT 1 2.13 5.67 -3.54 11.12  
SINCE JAN 1 0.78 2.57 -1.79 5.88  
 
DEGREE DAYS  
HEATING  
TODAY 3 9 -6 15  
MONTH TO DATE 306 283 23 413  
SINCE DEC 1 497 587 -90 764  
SINCE JUL 1 590 749 -159 990  
 
COOLING  
TODAY 0 0 0 0  
MONTH TO DATE 0 5 -5 0  
SINCE DEC 1 2 7 -5 0  
SINCE JAN 1 0 5 -5 0    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 1 RESULTANT WIND DIRECTION NW (300)  
HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION W (270)  
HIGHEST GUST SPEED 19 HIGHEST GUST DIRECTION W (260)  
AVERAGE WIND SPEED 3.2  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.7  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 62 12:00 AM  
LOWEST 29 2:00 PM  
AVERAGE 46  
   
......................................................
 
 
THE ONTARIO INTL AIRPORT CA CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 68 84 2020  
MINIMUM TEMPERATURE (F) 45 33 2002  
 
SUNRISE AND SUNSET  
JANUARY 31 2024.......SUNRISE 6:48 AM PST SUNSET 5:20 PM PST  
FEBRUARY 1 2024......SUNRISE 6:48 AM PST SUNSET 5:21 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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