660  
CDUS46 KSGX 250942  
CLIONT  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN DIEGO, CA  
242 AM PDT MON OCT 25 2021  
   
...............................
 
 
   
..THE ONTARIO INTL AIRPORT CA CLIMATE SUMMARY FOR OCTOBER 24 2021
 
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1998 TO 2021  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 74 4:18 PM 102 2017 81 -7 71  
MINIMUM 59 5:45 AM 50 2004 55 4 62  
AVERAGE 67 68 -1 67  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.30 2016 0.02 -0.02 0.00  
MONTH TO DATE 0.15 0.29 -0.14 T  
SINCE JUL 1 0.64 0.47 0.17 T  
SINCE OCT 1 0.15 0.29 -0.14 T  
SINCE JAN 1 4.56 8.83 -4.27 7.68  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 1 -1 0  
MONTH TO DATE 9 11 -2 0  
SINCE SEP 1 9 12 -3 0  
SINCE JUL 1 9 12 -3 0  
 
COOLING  
YESTERDAY 2 4 -2 2  
MONTH TO DATE 121 150 -29 298  
SINCE SEP 1 545 528 17 801  
SINCE JAN 1 2250 1901 349 2429    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 5 RESULTANT WIND DIRECTION W (260)  
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION W (270)  
HIGHEST GUST SPEED 15 HIGHEST GUST DIRECTION W (260)  
AVERAGE WIND SPEED 5.4  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.8  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 72 1:00 AM  
LOWEST 46 3:00 PM  
AVERAGE 59  
   
......................................................
 
 
THE ONTARIO INTL AIRPORT CA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 81 99 2017  
MINIMUM TEMPERATURE (F) 55 51 1998  
2012  
 
SUNRISE AND SUNSET  
OCTOBER 25 2021.......SUNRISE 7:04 AM PDT SUNSET 6:04 PM PDT  
OCTOBER 26 2021.......SUNRISE 7:05 AM PDT SUNSET 6:03 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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