776
CDUS46 KSGX 310936
CLIONT
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN DIEGO, CA
236 AM PDT SAT MAY 31 2025
...............................
..THE ONTARIO INTL AIRPORT CA CLIMATE SUMMARY FOR MAY 30 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 3:07 PM 94 2004 82 18 83
MINIMUM 61 4:08 AM 49 1998 57 4 55
AVERAGE 81 70 11 69
PRECIPITATION (IN)
YESTERDAY 0.00 T 2004 0.01 -0.01 0.00
2018
2023
MONTH TO DATE 0.25 0.30 -0.05 0.15
SINCE JUL 1 6.12 11.62 -5.50 19.80
SINCE OCT 1 6.12 11.44 -5.32 17.64
SINCE JAN 1 5.97 8.34 -2.37 16.29
DEGREE DAYS
HEATING
YESTERDAY 0 0 0 0
MONTH TO DATE 32 37 -5 34
SINCE MAR 1 376 314 62 424
SINCE JUL 1 1134 1288 -154 1312
COOLING
YESTERDAY 16 5 11 4
MONTH TO DATE 159 114 45 32
SINCE MAR 1 216 194 22 57
SINCE JAN 1 235 207 28 57
...............................................................
WIND (MPH)
RESULTANT WIND SPEED 5 RESULTANT WIND DIRECTION W (260)
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION W (260)
HIGHEST GUST SPEED 23 HIGHEST GUST DIRECTION W (260)
AVERAGE WIND SPEED 7.1
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.1
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 83 4:00 AM
LOWEST 16 1:00 PM
AVERAGE 50
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THE ONTARIO INTL AIRPORT CA CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 82 96 2006
MINIMUM TEMPERATURE (F) 57 52 1998
SUNRISE AND SUNSET
MAY 31 2025...........SUNRISE 5:40 AM PDT SUNSET 7:56 PM PDT
JUNE 1 2025..........SUNRISE 5:40 AM PDT SUNSET 7:57 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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