980
CDUS46 KSGX 042325
CLIONT
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN DIEGO, CA
425 PM PDT SUN MAY 04 2025
...............................
..THE ONTARIO INTL AIRPORT CA CLIMATE SUMMARY FOR MAY 4 2025
VALID TODAY AS OF 0400 PM LOCAL TIME.
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)
TODAY
MAXIMUM 59 2:41 PM 95 2004 78 -19 65
MINIMUM 53 5:33 AM 46 2001 54 -1 54
AVERAGE 56 66 -10 60
PRECIPITATION (IN)
TODAY 0.02R T 2016 0.01 0.01 0.02
MONTH TO DATE 0.02 0.06 -0.04 0.02
SINCE JUL 1 5.89 11.38 -5.49 19.67
SINCE OCT 1 5.89 11.20 -5.31 17.51
SINCE JAN 1 5.74 8.10 -2.36 16.16
DEGREE DAYS
HEATING
TODAY 9 2 7 5
MONTH TO DATE 13 8 5 7
SINCE MAR 1 357 285 72 397
SINCE JUL 1 1115 1259 -144 1285
COOLING
TODAY 0 3 -3 0
MONTH TO DATE 1 12 -11 2
SINCE MAR 1 58 92 -34 27
SINCE JAN 1 77 105 -28 27
...............................................................
WIND (MPH)
RESULTANT WIND SPEED 7 RESULTANT WIND DIRECTION W (250)
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION W (260)
HIGHEST GUST SPEED 17 HIGHEST GUST DIRECTION W (250)
AVERAGE WIND SPEED 7.8
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 1.0
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
LIGHT RAIN
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 97 4:00 AM
LOWEST 69 1:00 PM
AVERAGE 83
......................................................
THE ONTARIO INTL AIRPORT CA CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 79 97 2018
MINIMUM TEMPERATURE (F) 54 45 1999
SUNRISE AND SUNSET
MAY 4 2025...........SUNRISE 5:58 AM PDT SUNSET 7:37 PM PDT
MAY 5 2025...........SUNRISE 5:57 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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