196  
CDUS46 KSGX 191121  
CLIONT  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN DIEGO, CA  
421 AM PDT WED SEP 19 2018  
 
   
...............................
 
 
 
...THE ONTARIO INTL AIRPORT CA CLIMATE SUMMARY FOR SEPTEMBER 18 2018...  
 
CLIMATE NORMAL PERIOD 1981 TO 2010  
CLIMATE RECORD PERIOD 1998 TO 2018  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
..............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 91 228 PM 106 2016 89 2 82  
MINIMUM 58 459 AM 55 2010 62 -4 60  
AVERAGE 75 76 -1 71  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.00 MM 0.01 -0.01 0.00  
MONTH TO DATE 0.00 0.13 -0.13 0.04  
SINCE OCT 1 3.80 14.90 -11.10 15.73  
SINCE JAN 1 3.80 10.73 -6.93 10.85  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE SEP 1 0 0 0 0  
SINCE JUL 1 0 0 0 0  
 
COOLING  
YESTERDAY 10 11 -1 6  
MONTH TO DATE 233 223 10 261  
SINCE SEP 1 233 223 10 261  
SINCE JAN 1 1802 1446 356 1900    
..............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 6 RESULTANT WIND DIRECTION W (250)  
HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION SW (240)  
HIGHEST GUST SPEED 23 HIGHEST GUST DIRECTION SW (230)  
AVERAGE WIND SPEED 6.8  
 
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.1  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 58 1100 PM  
LOWEST 15 100 PM  
AVERAGE 37  
   
......................................................
 
 
 
THE ONTARIO INTL AIRPORT CA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 88 100 2015  
MINIMUM TEMPERATURE (F) 62 56 2005  
 
 
SUNRISE AND SUNSET  
SEPTEMBER 19 2018.....SUNRISE 636 AM PDT SUNSET 651 PM PDT  
SEPTEMBER 20 2018.....SUNRISE 637 AM PDT SUNSET 650 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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