Climatological Report (Daily)
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391
CDUS46 KSGX 130930
CLIONT

CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN DIEGO, CA
230 AM PDT TUE MAY 13 2025

...................................

...THE ONTARIO INTL AIRPORT CA CLIMATE SUMMARY FOR MAY 12 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         76   2:47 PM 103    2013  79     -3       82
  MINIMUM         57  11:59 PM  47    2000  55      2       54
  AVERAGE         67                        67      0       68

PRECIPITATION (IN)
  YESTERDAY        0.00          T    2018   0.01  -0.01     0.00
  MONTH TO DATE    0.24                      0.16   0.08     0.15
  SINCE JUL 1      6.11                     11.48  -5.37    19.80
  SINCE OCT 1      6.11                     11.30  -5.19    17.64
  SINCE JAN 1      5.96                      8.20  -2.24    16.29

DEGREE DAYS
 HEATING
  YESTERDAY        0                         1     -1        0
  MONTH TO DATE   25                        21      4       16
  SINCE MAR 1    369                       298     71      406
  SINCE JUL 1   1127                      1272   -145     1294

 COOLING
  YESTERDAY        2                         4     -2        3
  MONTH TO DATE   63                        38     25       16
  SINCE MAR 1    120                       118      2       41
  SINCE JAN 1    139                       131      8       41
...................................................................


WIND (MPH)
  RESULTANT WIND SPEED   8   RESULTANT WIND DIRECTION  SW (240)
  HIGHEST WIND SPEED    20   HIGHEST WIND DIRECTION    SW (240)
  HIGHEST GUST SPEED    27   HIGHEST GUST DIRECTION    SW (240)
  AVERAGE WIND SPEED     9.0


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.6


WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  FOG


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    96           4:00 AM
 LOWEST     34           3:00 PM
 AVERAGE    65

..........................................................


THE ONTARIO INTL AIRPORT CA CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   79       103      2013
 MINIMUM TEMPERATURE (F)   55        49      2000


SUNRISE AND SUNSET
MAY 13 2025...........SUNRISE   5:50 AM PDT   SUNSET   7:44 PM PDT
MAY 14 2025...........SUNRISE   5:49 AM PDT   SUNSET   7:45 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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