Climatological Report (Daily)
Issued by NWS

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428
CDUS46 KSGX 210825
CLISAN

CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN DIEGO, CA
125 AM PDT THU AUG 21 2025

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

...THE SAN DIEGO INTL AIRPORT CA CLIMATE SUMMARY FOR AUGUST 20 2025...

CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1874 TO 2025


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
...................................................................
TEMPERATURE (F)
 YESTERDAY
  MAXIMUM         79   3:24 PM  89    1897  78      1       84
  MINIMUM         66   5:23 AM  58    1912  68     -2       68
  AVERAGE         73                        73      0       76

PRECIPITATION (IN)
  YESTERDAY        0.00          1.82 2023   0.00   0.00     0.00
  MONTH TO DATE    0.00                      0.01  -0.01      T
  SINCE JUL 1      0.00                      0.09  -0.09      T
  SINCE OCT 1      4.56                      9.67  -5.11    12.41
  SINCE JAN 1      4.42                      6.71  -2.29    11.00

DEGREE DAYS
 HEATING
  YESTERDAY        0                         0      0        0
  MONTH TO DATE    0                         0      0        0
  SINCE JUN 1      5                        11     -6        6
  SINCE JUL 1      0                         1     -1        0

 COOLING
  YESTERDAY        8                         8      0       11
  MONTH TO DATE   97                       145    -48      187
  SINCE JUN 1    285                       397   -112      487
  SINCE JAN 1    325                       475   -150      488
...................................................................


WIND (MPH)
  RESULTANT WIND SPEED   5   RESULTANT WIND DIRECTION  NW (300)
  HIGHEST WIND SPEED    15   HIGHEST WIND DIRECTION     W (280)
  HIGHEST GUST SPEED    20   HIGHEST GUST DIRECTION     W (270)
  AVERAGE WIND SPEED     4.9


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.5


WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  NO SIGNIFICANT WEATHER WAS OBSERVED.


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    93          12:00 AM
 LOWEST     56           3:00 PM
 AVERAGE    75

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


THE SAN DIEGO INTL AIRPORT CA CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   78        89      1982
 MINIMUM TEMPERATURE (F)   68        58      1877
                                             1884
                                             1916


SUNRISE AND SUNSET
AUGUST 21 2025........SUNRISE   6:16 AM PDT   SUNSET   7:26 PM PDT
AUGUST 22 2025........SUNRISE   6:17 AM PDT   SUNSET   7:25 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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