962
CDUS46 KSGX 200920
CLIONT
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN DIEGO, CA
220 AM PDT TUE MAY 20 2025
...............................
..THE ONTARIO INTL AIRPORT CA CLIMATE SUMMARY FOR MAY 19 2025
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)
YESTERDAY
MAXIMUM 89 3:00 PM 97 2008 80 9 75
MINIMUM 56 5:32 AM 46 2011 56 0 55
AVERAGE 73 68 5 65
PRECIPITATION (IN)
YESTERDAY 0.00 0.18 2019 0.00 0.00 0.00
MONTH TO DATE 0.25 0.23 0.02 0.15
SINCE JUL 1 6.12 11.55 -5.43 19.80
SINCE OCT 1 6.12 11.37 -5.25 17.64
SINCE JAN 1 5.97 8.27 -2.30 16.29
DEGREE DAYS
HEATING
YESTERDAY 0 1 -1 0
MONTH TO DATE 32 28 4 22
SINCE MAR 1 376 305 71 412
SINCE JUL 1 1134 1279 -145 1300
COOLING
YESTERDAY 8 4 4 0
MONTH TO DATE 76 66 10 20
SINCE MAR 1 133 146 -13 45
SINCE JAN 1 152 159 -7 45
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WIND (MPH)
RESULTANT WIND SPEED 5 RESULTANT WIND DIRECTION W (250)
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION W (270)
HIGHEST GUST SPEED 23 HIGHEST GUST DIRECTION W (270)
AVERAGE WIND SPEED 5.5
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.0
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 81 6:00 AM
LOWEST 23 2:00 PM
AVERAGE 52
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THE ONTARIO INTL AIRPORT CA CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 80 98 2000
MINIMUM TEMPERATURE (F) 56 51 2011
SUNRISE AND SUNSET
MAY 20 2025...........SUNRISE 5:45 AM PDT SUNSET 7:49 PM PDT
MAY 21 2025...........SUNRISE 5:45 AM PDT SUNSET 7:50 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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