471  
CDUS46 KSGX 230921  
CLIONT  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN DIEGO, CA  
221 AM PDT THU MAY 23 2024  
   
...............................  
 
   
..THE ONTARIO INTL AIRPORT CA CLIMATE SUMMARY FOR MAY 22 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 75 3:42 PM 96 2005 80 -5 80  
MINIMUM 53 3:48 AM 48 2002 56 -3 60  
AVERAGE 64 68 -4 70  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.43 2006 0.01 -0.01 0.00  
MONTH TO DATE 0.15 0.26 -0.11 0.78  
SINCE JUL 1 19.80 11.58 8.22 23.78  
SINCE OCT 1 17.64 11.40 6.24 23.48  
SINCE JAN 1 16.29 8.30 7.99 18.24  
 
DEGREE DAYS  
HEATING  
YESTERDAY 1 1 0 0  
MONTH TO DATE 25 31 -6 62  
SINCE MAR 1 415 308 107 536  
SINCE JUL 1 1303 1282 21 1897  
 
COOLING  
YESTERDAY 0 4 -4 5  
MONTH TO DATE 21 78 -57 56  
SINCE MAR 1 46 158 -112 105  
SINCE JAN 1 46 171 -125 105    
...............................................................  
 
WIND (MPH)  
RESULTANT WIND SPEED 7 RESULTANT WIND DIRECTION W (250)  
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION SW (240)  
HIGHEST GUST SPEED 25 HIGHEST GUST DIRECTION W (260)  
AVERAGE WIND SPEED 7.6  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.4  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
FOG  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 86 6:00 AM  
LOWEST 36 3:00 PM  
AVERAGE 61  
   
......................................................  
 
THE ONTARIO INTL AIRPORT CA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 81 97 2001  
MINIMUM TEMPERATURE (F) 57 50 2010  
 
SUNRISE AND SUNSET  
MAY 23 2024...........SUNRISE 5:44 AM PDT SUNSET 7:51 PM PDT  
MAY 24 2024...........SUNRISE 5:43 AM PDT SUNSET 7:52 PM PDT  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 
 
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