244
CDUS46 KSGX 230923
CLIONT
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN DIEGO, CA
223 AM PDT SAT MAY 23 2026
...............................
..THE ONTARIO INTL AIRPORT CA CLIMATE SUMMARY FOR MAY 22 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 81 2:01 PM 96 2005 80 1 89
MINIMUM 58 11:59 PM 48 2002 56 2 61
AVERAGE 70 68 2 75
PRECIPITATION (IN)
YESTERDAY 0.00 0.43 2006 0.01 -0.01 0.00
MONTH TO DATE 0.17 0.26 -0.09 0.25
SINCE JUL 1 12.16 11.58 0.58 6.12
SINCE OCT 1 12.04 11.40 0.64 6.12
SINCE JAN 1 5.02 8.30 -3.28 5.97
DEGREE DAYS
HEATING
YESTERDAY 0 1 -1 0
MONTH TO DATE 11 31 -20 32
SINCE MAR 1 67 308 -241 376
SINCE JUL 1 631 1282 -651 1134
COOLING
YESTERDAY 5 4 1 10
MONTH TO DATE 93 78 15 112
SINCE MAR 1 365 158 207 169
SINCE JAN 1 408 171 237 188
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WIND (MPH)
RESULTANT WIND SPEED 6 RESULTANT WIND DIRECTION SW (240)
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION SW (230)
HIGHEST GUST SPEED 25 HIGHEST GUST DIRECTION SW (240)
AVERAGE WIND SPEED 7.9
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.3
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
HAZE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 90 1:00 AM
LOWEST 37 1:00 PM
AVERAGE 64
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THE ONTARIO INTL AIRPORT CA CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 81 97 2001
MINIMUM TEMPERATURE (F) 57 50 2010
SUNRISE AND SUNSET
MAY 23 2026...........SUNRISE 5:44 AM PDT SUNSET 7:51 PM PDT
MAY 24 2026...........SUNRISE 5:43 AM PDT SUNSET 7:52 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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