Climatological Report (Daily)
Issued by NWS
Issued by NWS
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CDUS46 KSGX 240922
CLIONT
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN DIEGO, CA
222 AM PDT SAT MAY 24 2025
...................................
...THE ONTARIO INTL AIRPORT CA CLIMATE SUMMARY FOR MAY 23 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 83 2:02 PM 97 2001 81 2 69
MINIMUM 59 4:32 AM 50 2010 57 2 55
AVERAGE 71 68 3 62
PRECIPITATION (IN)
YESTERDAY 0.00 0.19 2008 0.00 0.00 0.00
MONTH TO DATE 0.25 0.26 -0.01 0.15
SINCE JUL 1 6.12 11.58 -5.46 19.80
SINCE OCT 1 6.12 11.40 -5.28 17.64
SINCE JAN 1 5.97 8.30 -2.33 16.29
DEGREE DAYS
HEATING
YESTERDAY 0 1 -1 3
MONTH TO DATE 32 32 0 28
SINCE MAR 1 376 309 67 418
SINCE JUL 1 1134 1283 -149 1306
COOLING
YESTERDAY 6 4 2 0
MONTH TO DATE 118 82 36 21
SINCE MAR 1 175 162 13 46
SINCE JAN 1 194 175 19 46
...................................................................
WIND (MPH)
RESULTANT WIND SPEED 7 RESULTANT WIND DIRECTION SW (240)
HIGHEST WIND SPEED 20 HIGHEST WIND DIRECTION SW (240)
HIGHEST GUST SPEED 26 HIGHEST GUST DIRECTION SW (240)
AVERAGE WIND SPEED 7.7
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.4
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
FOG
HAZE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 93 3:00 AM
LOWEST 33 1:00 PM
AVERAGE 63
..........................................................
THE ONTARIO INTL AIRPORT CA CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 81 97 2021
MINIMUM TEMPERATURE (F) 57 48 2010
SUNRISE AND SUNSET
MAY 24 2025...........SUNRISE 5:43 AM PDT SUNSET 7:52 PM PDT
MAY 25 2025...........SUNRISE 5:43 AM PDT SUNSET 7:53 PM PDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$