600
CDUS46 KSGX 100931
CLIONT
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN DIEGO, CA
231 AM PDT SAT MAY 10 2025
...............................
..THE ONTARIO INTL AIRPORT CA CLIMATE SUMMARY FOR MAY 9 2025
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1998 TO 2025
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...............................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 100R 1:42 PM 94 2007 79 21 82
MINIMUM 57 8:52 PM 49 2003 55 2 55
AVERAGE 79 67 12 69
PRECIPITATION (IN)
YESTERDAY 0.00 T 2013 0.02 -0.02 0.00
2013
2017
MONTH TO DATE 0.24 0.13 0.11 0.15
SINCE JUL 1 6.11 11.45 -5.34 19.80
SINCE OCT 1 6.11 11.27 -5.16 17.64
SINCE JAN 1 5.96 8.17 -2.21 16.29
DEGREE DAYS
HEATING
YESTERDAY 0 2 -2 0
MONTH TO DATE 25 18 7 16
SINCE MAR 1 369 295 74 406
SINCE JUL 1 1127 1269 -142 1294
COOLING
YESTERDAY 14 3 11 4
MONTH TO DATE 25 27 -2 6
SINCE MAR 1 82 107 -25 31
SINCE JAN 1 101 120 -19 31
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WIND (MPH)
RESULTANT WIND SPEED 4 RESULTANT WIND DIRECTION W (250)
HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION W (270)
HIGHEST GUST SPEED 27 HIGHEST GUST DIRECTION W (280)
AVERAGE WIND SPEED 5.1
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.0
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 67 3:00 AM
LOWEST 17 12:00 PM
AVERAGE 42
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THE ONTARIO INTL AIRPORT CA CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 79 90 2007
MINIMUM TEMPERATURE (F) 55 46 2003
SUNRISE AND SUNSET
MAY 10 2025...........SUNRISE 5:53 AM PDT SUNSET 7:42 PM PDT
MAY 11 2025...........SUNRISE 5:52 AM PDT SUNSET 7:42 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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