548  
CDUS46 KSGX 071020  
CLIONT  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN DIEGO, CA  
220 AM PST SUN JAN 07 2024  
   
...............................  
 
   
..THE ONTARIO INTL AIRPORT CA CLIMATE SUMMARY FOR JANUARY 6 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 64 1:57 PM 85 2015 67 -3 62  
MINIMUM 37R 6:49 AM 37 2004 44 -7 43  
AVERAGE 51 56 -5 53  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.31 2008 0.08 -0.08 0.00  
MONTH TO DATE 0.36 0.54 -0.18 1.13  
SINCE JUL 1 3.87 3.82 0.05 6.67  
SINCE OCT 1 1.71 3.64 -1.93 6.37  
SINCE JAN 1 0.36 0.54 -0.18 1.13  
 
DEGREE DAYS  
HEATING  
YESTERDAY 14 9 5 12  
MONTH TO DATE 76 58 18 74  
SINCE DEC 1 267 362 -95 425  
SINCE JUL 1 360 524 -164 651  
 
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 SW (240)  
HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION N (360)  
HIGHEST GUST SPEED 29 HIGHEST GUST DIRECTION N (360)  
AVERAGE WIND SPEED 5.5  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.4  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 83 10:00 PM  
LOWEST 20 1:00 PM  
AVERAGE 52  
   
......................................................  
 
THE ONTARIO INTL AIRPORT CA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 68 81 2015  
MINIMUM TEMPERATURE (F) 44 38 2000  
 
SUNRISE AND SUNSET  
JANUARY 7 2024.......SUNRISE 6:57 AM PST SUNSET 4:57 PM PST  
JANUARY 8 2024.......SUNRISE 6:57 AM PST SUNSET 4:58 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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