Climatological Report (Daily)
Issued by NWS
Issued by NWS
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040
CDUS46 KSGX 170030
CLIONT
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN DIEGO, CA
530 PM PDT WED SEP 16 2026
...................................
...THE ONTARIO INTL AIRPORT CA CLIMATE SUMMARY FOR SEPTEMBER 16 2026...
VALID TODAY AS OF 0400 PM LOCAL TIME.
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)
TODAY
MAXIMUM 84 1:52 PM 107 2000 92 -8 100
2014
MINIMUM 63 3:34 AM 56 1999 64 -1 70
AVERAGE 74 78 -4 85
PRECIPITATION (IN)
TODAY 0.00 0.03 2002 0.00 0.00 0.00
MONTH TO DATE 0.56 0.04 0.52 0.00
SINCE JUL 1 0.56 0.12 0.44 T
SINCE OCT 1 12.64 11.58 1.06 6.22
SINCE JAN 1 5.62 8.48 -2.86 6.07
DEGREE DAYS
HEATING
TODAY 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
TODAY 9 13 -4 20
MONTH TO DATE 247 225 22 234
SINCE SEP 1 247 225 22 234
SINCE JAN 1 2059 1598 461 1623
...................................................................
WIND (MPH)
RESULTANT WIND SPEED 3 RESULTANT WIND DIRECTION W (260)
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION SW (230)
HIGHEST GUST SPEED 22 HIGHEST GUST DIRECTION SW (230)
AVERAGE WIND SPEED 5.0
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.4
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 84 1:00 AM
LOWEST 37 2:00 PM
AVERAGE 61
..........................................................
THE ONTARIO INTL AIRPORT CA CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 91 102 2000
2020
MINIMUM TEMPERATURE (F) 64 55 2010
2024
SUNRISE AND SUNSET
SEPTEMBER 16 2026.....SUNRISE 6:34 AM PDT SUNSET 6:55 PM PDT
SEPTEMBER 17 2026.....SUNRISE 6:35 AM PDT SUNSET 6:54 PM PDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$