559  
CDUS46 KSGX 210021  
CLIONT  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN DIEGO, CA  
421 PM PST MON NOV 20 2023  
   
...............................
 
 
...THE ONTARIO INTL AIRPORT CA CLIMATE SUMMARY FOR NOVEMBER 20 2023...  
VALID TODAY AS OF 0400 PM LOCAL TIME.  
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1998 TO 2023  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
TODAY  
MAXIMUM 73 2:25 PM 89 2002 73 0 76  
MINIMUM 53 12:27 AM 39 2022 48 5 39  
AVERAGE 63 60 3 58  
 
PRECIPITATION (IN)  
TODAY 0.00 0.82 2010 0.04 -0.04 0.00  
MONTH TO DATE 0.32 0.43 -0.11 2.09  
SINCE JUL 1 2.48 1.02 1.46 2.69  
SINCE OCT 1 0.32 0.84 -0.52 2.39  
SINCE JAN 1 20.92 9.38 11.54 4.09  
 
DEGREE DAYS  
HEATING  
TODAY 2 5 -3 7  
MONTH TO DATE 31 67 -36 148  
SINCE SEP 1 36 94 -58 155  
SINCE JUL 1 36 94 -58 155  
 
COOLING  
TODAY 0 1 -1 0  
MONTH TO DATE 22 36 -14 0  
SINCE SEP 1 504 590 -86 679  
SINCE JAN 1 1692 1963 -271 2301    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 28 RESULTANT WIND DIRECTION NE (40)  
HIGHEST WIND SPEED 44 HIGHEST WIND DIRECTION NE (40)  
HIGHEST GUST SPEED 64 HIGHEST GUST DIRECTION NE (30)  
AVERAGE WIND SPEED 27.9  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.2  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
HAZE  
SANDSTORM  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 74 12:00 AM  
LOWEST 12 10:00 AM  
AVERAGE 43  
   
......................................................
 
 
THE ONTARIO INTL AIRPORT CA CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 73 90 2017  
MINIMUM TEMPERATURE (F) 47 40 2022  
 
SUNRISE AND SUNSET  
NOVEMBER 20 2023......SUNRISE 6:28 AM PST SUNSET 4:44 PM PST  
NOVEMBER 21 2023......SUNRISE 6:29 AM PST SUNSET 4:44 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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