870
CDUS46 KSGX 120925
CLIONT
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN DIEGO, CA
225 AM PDT MON MAY 12 2025
...............................
..THE ONTARIO INTL AIRPORT CA CLIMATE SUMMARY FOR MAY 11 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 97R 12:12 PM 97 2013 79 18 81
MINIMUM 65 11:59 PM 46 2022 55 10 57
AVERAGE 81 67 14 69
PRECIPITATION (IN)
YESTERDAY 0.00 T 2018 0.01 -0.01 0.00
2019
2022
MONTH TO DATE 0.24 0.15 0.09 0.15
SINCE JUL 1 6.11 11.47 -5.36 19.80
SINCE OCT 1 6.11 11.29 -5.18 17.64
SINCE JAN 1 5.96 8.19 -2.23 16.29
DEGREE DAYS
HEATING
YESTERDAY 0 1 -1 0
MONTH TO DATE 25 20 5 16
SINCE MAR 1 369 297 72 406
SINCE JUL 1 1127 1271 -144 1294
COOLING
YESTERDAY 16 4 12 4
MONTH TO DATE 61 34 27 13
SINCE MAR 1 118 114 4 38
SINCE JAN 1 137 127 10 38
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WIND (MPH)
RESULTANT WIND SPEED 6 RESULTANT WIND DIRECTION SW (240)
HIGHEST WIND SPEED 21 HIGHEST WIND DIRECTION W (260)
HIGHEST GUST SPEED 27 HIGHEST GUST DIRECTION W (260)
AVERAGE WIND SPEED 6.2
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.6
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 61 11:00 PM
LOWEST 15 4:00 PM
AVERAGE 38
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THE ONTARIO INTL AIRPORT CA CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 79 103 2013
MINIMUM TEMPERATURE (F) 55 47 2000
SUNRISE AND SUNSET
MAY 12 2025...........SUNRISE 5:51 AM PDT SUNSET 7:43 PM PDT
MAY 13 2025...........SUNRISE 5:50 AM PDT SUNSET 7:44 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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