505
CDUS46 KSGX 302152
CLIONT
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN DIEGO, CA
252 PM PDT FRI MAY 30 2025
...............................
..THE ONTARIO INTL AIRPORT CA CLIMATE SUMMARY FOR MAY 27 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 84 MM 99 2000 81 3 80
MINIMUM 60 MM 46 1998 57 3 53
AVERAGE 72 69 3 67
PRECIPITATION (IN)
YESTERDAY 0.00 0.01 2001 0.00 0.00 0.00
MONTH TO DATE 0.25 0.28 -0.03 0.15
SINCE JUL 1 6.12 11.60 -5.48 19.80
SINCE OCT 1 6.12 11.42 -5.30 17.64
SINCE JAN 1 5.97 8.32 -2.35 16.29
DEGREE DAYS
HEATING
YESTERDAY 0 1 -1 0
MONTH TO DATE 32 36 -4 34
SINCE MAR 1 376 313 63 424
SINCE JUL 1 1134 1287 -153 1312
COOLING
YESTERDAY 7 5 2 2
MONTH TO DATE 134 99 35 23
SINCE MAR 1 191 179 12 48
SINCE JAN 1 210 192 18 48
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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) 81 103 2003
MINIMUM TEMPERATURE (F) 57 50 2010
2019
SUNRISE AND SUNSET
MAY 28 2025...........SUNRISE 5:41 AM PDT SUNSET 7:55 PM PDT
MAY 29 2025...........SUNRISE 5:41 AM PDT SUNSET 7:55 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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