845  
CDUS46 KSGX 050930  
CLIONT  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN DIEGO, CA  
230 AM PDT FRI MAY 05 2023  
   
...............................
 
 
   
..THE ONTARIO INTL AIRPORT CA CLIMATE SUMMARY FOR MAY 4 2023
 
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1998 TO 2023  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 63 2:42 PM 95 2004 78 -15 89  
MINIMUM 47 6:11 AM 46 2001 54 -7 54  
AVERAGE 55 66 -11 72  
 
PRECIPITATION (IN)  
YESTERDAY 0.70R T 2016 0.01 0.69 0.00  
MONTH TO DATE 0.72 0.06 0.66 0.00  
SINCE JUL 1 23.92 11.38 12.54 9.51  
SINCE OCT 1 23.62 11.20 12.42 9.02  
SINCE JAN 1 18.38 8.10 10.28 1.40  
 
DEGREE DAYS  
HEATING  
YESTERDAY 10 2 8 0  
MONTH TO DATE 30 8 22 0  
SINCE MAR 1 504 285 219 208  
SINCE JUL 1 1865 1259 606 1125  
 
COOLING  
YESTERDAY 0 3 -3 7  
MONTH TO DATE 0 12 -12 9  
SINCE MAR 1 49 92 -43 130  
SINCE JAN 1 49 105 -56 160    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 4 RESULTANT WIND DIRECTION W (250)  
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION SW (220)  
HIGHEST GUST SPEED 21 HIGHEST GUST DIRECTION W (280)  
AVERAGE WIND SPEED 6.2  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.8  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
HEAVY RAIN  
RAIN  
LIGHT RAIN  
FOG  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 97 6:00 AM  
LOWEST 56 3:00 PM  
AVERAGE 77  
   
......................................................
 
 
THE ONTARIO INTL AIRPORT CA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 79 97 2018  
MINIMUM TEMPERATURE (F) 54 45 1999  
 
SUNRISE AND SUNSET  
MAY 5 2023...........SUNRISE 5:57 AM PDT SUNSET 7:37 PM PDT  
MAY 6 2023...........SUNRISE 5:56 AM PDT SUNSET 7:38 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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