Climatological Report (Daily)
Issued by NWS
Issued by NWS
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663
CDUS46 KSGX 190031
CLISAN
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN DIEGO, CA
531 PM PDT MON AUG 18 2025
...................................
...THE SAN DIEGO INTL AIRPORT CA CLIMATE SUMMARY FOR AUGUST 18 2025...
VALID TODAY AS OF 0400 PM LOCAL TIME.
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)
TODAY
MAXIMUM 74 1:17 PM 90 1986 78 -4 79
MINIMUM 67 6:31 AM 59 1918 68 -1 68
1932
AVERAGE 71 72 -1 74
PRECIPITATION (IN)
TODAY 0.00 0.83 1945 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
TODAY 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
TODAY 6 8 -2 9
MONTH TO DATE 85 129 -44 166
SINCE JUN 1 273 381 -108 466
SINCE JAN 1 313 459 -146 467
...................................................................
WIND (MPH)
RESULTANT WIND SPEED 1 RESULTANT WIND DIRECTION S (200)
HIGHEST WIND SPEED 10 HIGHEST WIND DIRECTION SW (210)
HIGHEST GUST SPEED MM HIGHEST GUST DIRECTION MM
AVERAGE WIND SPEED 4.4
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.6
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
HAZE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 84 2:00 AM
LOWEST 64 12:00 PM
AVERAGE 74
..........................................................
THE SAN DIEGO INTL AIRPORT CA CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 78 88 1986
MINIMUM TEMPERATURE (F) 68 54 1884
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.
$$