Climatological Report (Daily)
Issued by NWS

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292
CDUS46 KSGX 180921
CLISAN

CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN DIEGO, CA
221 AM PDT MON AUG 18 2025

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

...THE SAN DIEGO INTL AIRPORT CA CLIMATE SUMMARY FOR AUGUST 17 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         74   2:44 PM  88    1890  77     -3       76
                                      1992
  MINIMUM         65   5:21 AM  58    1932  68     -3       68
  AVERAGE         70                        72     -2       72

PRECIPITATION (IN)
  YESTERDAY        0.00          0.69 1977   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        5                         8     -3        7
  MONTH TO DATE   79                       121    -42      157
  SINCE JUN 1    267                       373   -106      457
  SINCE JAN 1    307                       451   -144      458
...................................................................


WIND (MPH)
  RESULTANT WIND SPEED   2   RESULTANT WIND DIRECTION   W (250)
  HIGHEST WIND SPEED    13   HIGHEST WIND DIRECTION     W (280)
  HIGHEST GUST SPEED    33   HIGHEST GUST DIRECTION     S (200)
  AVERAGE WIND SPEED     6.0


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    84           9:00 PM
 LOWEST     64          12:00 PM
 AVERAGE    74

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


THE SAN DIEGO INTL AIRPORT CA CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   78        90      1986
 MINIMUM TEMPERATURE (F)   68        59      1918
                                             1932


SUNRISE AND SUNSET
AUGUST 18 2025........SUNRISE   6:14 AM PDT   SUNSET   7:30 PM PDT
AUGUST 19 2025........SUNRISE   6:15 AM PDT   SUNSET   7:29 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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