463  
CDUS46 KSGX 150018  
CLIONT  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN DIEGO, CA  
418 PM PST THU DEC 14 2017  
 
   
...............................
 
 
 
...THE ONTARIO INTL AIRPORT CA CLIMATE SUMMARY FOR DECEMBER 14 2017...  
VALID TODAY AS OF 0400 PM LOCAL TIME.  
 
CLIMATE NORMAL PERIOD 1981 TO 2010  
CLIMATE RECORD PERIOD 1998 TO 2017  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
..............................................................
 
 
TEMPERATURE (F)  
TODAY  
MAXIMUM 82R 1245 PM 78 2006 65 17 72  
MINIMUM 43 501 AM 35 2007 42 1 49  
AVERAGE 63 54 9 61  
 
PRECIPITATION (IN)  
TODAY 0.00 0.30 2001 0.05 -0.05 0.00  
MONTH TO DATE 0.00 0.57 -0.57 0.01  
SINCE OCT 1 T 2.42 -2.42 1.46  
SINCE JAN 1 10.85 13.29 -2.44 7.05  
 
DEGREE DAYS  
HEATING  
TODAY 2 11 -9 4  
MONTH TO DATE 24 148 -124 118  
SINCE DEC 1 24 148 -124 118  
SINCE JUL 1 68 370 -302 248  
 
COOLING  
TODAY 0 0 0 0  
MONTH TO DATE 10 0 10 0  
SINCE DEC 1 10 0 10 0  
SINCE JAN 1 2294 1705 589 2102    
..............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 14 RESULTANT WIND DIRECTION NE (50)  
HIGHEST WIND SPEED 39 HIGHEST WIND DIRECTION NE (50)  
HIGHEST GUST SPEED 60 HIGHEST GUST DIRECTION NE (50)  
AVERAGE WIND SPEED 14.7  
 
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.2  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
HAZE  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 32 300 AM  
LOWEST 6 800 AM  
AVERAGE 19  
   
......................................................
 
 
 
THE ONTARIO INTL AIRPORT CA CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 65 81 2013  
MINIMUM TEMPERATURE (F) 42 32 2015  
 
 
SUNRISE AND SUNSET  
DECEMBER 14 2017......SUNRISE 648 AM PST SUNSET 442 PM PST  
DECEMBER 15 2017......SUNRISE 649 AM PST SUNSET 443 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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