Climatological Report (Daily)
Issued by NWS
Issued by NWS
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CDUS46 KSGX 230026
CLIONT
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN DIEGO, CA
526 PM PDT THU MAY 22 2025
...................................
...THE ONTARIO INTL AIRPORT CA CLIMATE SUMMARY FOR MAY 22 2025...
VALID TODAY AS OF 0400 PM LOCAL TIME.
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)
TODAY
MAXIMUM 89 2:28 PM 96 2005 80 9 75
MINIMUM 61 5:15 AM 48 2002 56 5 53
AVERAGE 75 68 7 64
PRECIPITATION (IN)
TODAY 0.00 0.43 2006 0.01 -0.01 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
TODAY 0 1 -1 1
MONTH TO DATE 32 31 1 25
SINCE MAR 1 376 308 68 415
SINCE JUL 1 1134 1282 -148 1303
COOLING
TODAY 10 4 6 0
MONTH TO DATE 112 78 34 21
SINCE MAR 1 169 158 11 46
SINCE JAN 1 188 171 17 46
...................................................................
WIND (MPH)
RESULTANT WIND SPEED 4 RESULTANT WIND DIRECTION SW (240)
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION SW (230)
HIGHEST GUST SPEED 25 HIGHEST GUST DIRECTION SW (230)
AVERAGE WIND SPEED 5.0
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.3
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 72 5:00 AM
LOWEST 22 3:00 PM
AVERAGE 47
..........................................................
THE ONTARIO INTL AIRPORT CA CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 81 97 2001
MINIMUM TEMPERATURE (F) 57 50 2010
SUNRISE AND SUNSET
MAY 22 2025...........SUNRISE 5:44 AM PDT SUNSET 7:51 PM PDT
MAY 23 2025...........SUNRISE 5:44 AM PDT SUNSET 7:51 PM PDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$