Climatological Report (Daily)
Issued by NWS
Issued by NWS
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657
CDUS46 KSGX 300924
CLIONT
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN DIEGO, CA
224 AM PDT WED SEP 30 2026
...................................
...THE ONTARIO INTL AIRPORT CA CLIMATE SUMMARY FOR SEPTEMBER 29 2026...
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1998 TO 2026
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...................................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 88 2:33 PM 104 2020 87 1 84
MINIMUM 61 5:23 AM 53 1998 61 0 62
AVERAGE 75 74 1 73
PRECIPITATION (IN)
YESTERDAY 0.00 T 2019 0.01 -0.01 0.00
2023
MONTH TO DATE 0.56 0.10 0.46 0.12
SINCE JUL 1 0.56 0.18 0.38 0.12
SINCE OCT 1 12.64 11.64 1.00 6.34
SINCE JAN 1 5.62 8.54 -2.92 6.19
DEGREE DAYS
HEATING
YESTERDAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE SEP 1 0 0 0 0
SINCE JUL 1 0 0 0 0
COOLING
YESTERDAY 10 9 1 8
MONTH TO DATE 397 368 29 393
SINCE SEP 1 397 368 29 393
SINCE JAN 1 2209 1741 468 1782
...................................................................
WIND (MPH)
RESULTANT WIND SPEED 5 RESULTANT WIND DIRECTION W (250)
HIGHEST WIND SPEED 20 HIGHEST WIND DIRECTION W (260)
HIGHEST GUST SPEED 26 HIGHEST GUST DIRECTION W (270)
AVERAGE WIND SPEED 5.7
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.2
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 78 6:00 AM
LOWEST 27 5:00 PM
AVERAGE 53
..........................................................
THE ONTARIO INTL AIRPORT CA CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 87 108 2020
MINIMUM TEMPERATURE (F) 61 52 2019
SUNRISE AND SUNSET
SEPTEMBER 30 2026.....SUNRISE 6:44 AM PDT SUNSET 6:36 PM PDT
OCTOBER 1 2026.......SUNRISE 6:45 AM PDT SUNSET 6:34 PM PDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$