Climatological Report (Daily)
Issued by NWS
Issued by NWS
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521
CDUS46 KSGX 150920
CLIONT
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN DIEGO, CA
220 AM PDT TUE SEP 15 2026
...................................
...THE ONTARIO INTL AIRPORT CA CLIMATE SUMMARY FOR SEPTEMBER 14 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 89 3:03 PM 108 2014 92 -3 88
MINIMUM 66 4:25 AM 53 2016 64 2 63
AVERAGE 78 78 0 76
PRECIPITATION (IN)
YESTERDAY 0.00 T 2006 0.01 -0.01 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
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 13 13 0 11
MONTH TO DATE 227 199 28 200
SINCE SEP 1 227 199 28 200
SINCE JAN 1 2039 1572 467 1589
...................................................................
WIND (MPH)
RESULTANT WIND SPEED 6 RESULTANT WIND DIRECTION SW (240)
HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION SW (240)
HIGHEST GUST SPEED 27 HIGHEST GUST DIRECTION W (260)
AVERAGE WIND SPEED 6.2
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.3
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
FOG
HAZE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 93 6:00 AM
LOWEST 34 1:00 PM
AVERAGE 64
..........................................................
THE ONTARIO INTL AIRPORT CA CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 92 107 2014
MINIMUM TEMPERATURE (F) 64 56 2005
SUNRISE AND SUNSET
SEPTEMBER 15 2026.....SUNRISE 6:34 AM PDT SUNSET 6:57 PM PDT
SEPTEMBER 16 2026.....SUNRISE 6:34 AM PDT SUNSET 6:55 PM PDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$