833  
CDUS46 KSGX 180018  
CLIONT  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN DIEGO, CA  
518 PM PDT FRI MAY 17 2013  
 
   
...............................  
 
   
..THE ONTARIO INTL AIRPORT CA CLIMATE SUMMARY FOR MAY 17 2013  
 
VALID TODAY AS OF 0500 PM LOCAL TIME.  
 
CLIMATE NORMAL PERIOD 1981 TO 2010  
CLIMATE RECORD PERIOD 1998 TO 2013  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
..............................................................  
 
TEMPERATURE (F)  
TODAY  
MAXIMUM 72 229 PM 102 2008 79 -7 87  
MINIMUM 60 507 AM 45 2006 56 4 59  
AVERAGE 66 67 -1 73  
 
PRECIPITATION (IN)  
TODAY 0.00 0.04 2011 0.01 -0.01 0.00  
MONTH TO DATE 0.37 0.24 0.13 T  
SINCE JUL 1 5.56 14.86 -9.30 9.12  
SINCE JAN 1 2.79 10.20 -7.41 5.49  
 
SNOWFALL (IN)  
TODAY 0.0  
MONTH TO DATE 0.0  
SINCE JAN 1 0.0  
SINCE JUL 1 0.0  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
TODAY 0 1 -1 0  
MONTH TO DATE 9 25 -16 14  
SINCE MAR 1 163 361 -198 373  
SINCE JUL 1 1271 1518 -247 1521  
 
COOLING  
TODAY 1 3 -2 8  
MONTH TO DATE 115 50 65 66  
SINCE MAR 1 210 103 107 123  
SINCE JAN 1 211 109 102 125    
..............................................................  
 
WIND (MPH)  
RESULTANT WIND SPEED 7 RESULTANT WIND DIRECTION W (260)  
HIGHEST WIND SPEED 22 HIGHEST WIND DIRECTION SW (220)  
HIGHEST GUST SPEED 24 HIGHEST GUST DIRECTION E (80)  
AVERAGE WIND SPEED 7.7  
 
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.9  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
HAZE  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 78 1200 AM  
LOWEST 49 100 PM  
AVERAGE 64  
   
......................................................  
 
 
THE ONTARIO INTL AIRPORT CA CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 79 101 2008  
MINIMUM TEMPERATURE (F) 56 49 2011  
 
 
SUNRISE AND SUNSET  
MAY 17 2013...........SUNRISE 547 AM PDT SUNSET 747 PM PDT  
MAY 18 2013...........SUNRISE 547 AM PDT SUNSET 748 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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