570
CDUS46 KSGX 302154
CLIONT
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN DIEGO, CA
254 PM PDT FRI MAY 30 2025
...............................
..THE ONTARIO INTL AIRPORT CA CLIMATE SUMMARY FOR MAY 28 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 76 MM 103 2003 81 -5 80
MINIMUM 60 MM 50 2010 57 3 54
2019
AVERAGE 68 69 -1 67
PRECIPITATION (IN)
YESTERDAY 0.00 T 2022 0.01 -0.01 0.00
2023
MONTH TO DATE 0.25 0.29 -0.04 0.15
SINCE JUL 1 6.12 11.61 -5.49 19.80
SINCE OCT 1 6.12 11.43 -5.31 17.64
SINCE JAN 1 5.97 8.33 -2.36 16.29
DEGREE DAYS
HEATING
YESTERDAY 0 1 -1 0
MONTH TO DATE 32 37 -5 34
SINCE MAR 1 376 314 62 424
SINCE JUL 1 1134 1288 -154 1312
COOLING
YESTERDAY 3 5 -2 2
MONTH TO DATE 137 104 33 25
SINCE MAR 1 194 184 10 50
SINCE JAN 1 213 197 16 50
...............................................................
WIND (MPH)
RESULTANT WIND SPEED MM RESULTANT WIND DIRECTION MM
HIGHEST WIND SPEED MM HIGHEST WIND DIRECTION MM
HIGHEST GUST SPEED MM HIGHEST GUST DIRECTION MM
AVERAGE WIND SPEED MM
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER MM
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST MM
LOWEST MM
AVERAGE MM
......................................................
THE ONTARIO INTL AIRPORT CA CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 82 99 2002
MINIMUM TEMPERATURE (F) 57 49 2010
SUNRISE AND SUNSET
MAY 29 2025...........SUNRISE 5:41 AM PDT SUNSET 7:55 PM PDT
MAY 30 2025...........SUNRISE 5:41 AM PDT SUNSET 7:56 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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