Climatological Report (Daily)
Issued by NWS
Issued by NWS
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298
CDUS46 KSGX 210925
CLISAN
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN DIEGO, CA
225 AM PDT MON SEP 21 2026
...................................
...THE SAN DIEGO INTL AIRPORT CA CLIMATE SUMMARY FOR SEPTEMBER 20 2026...
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1874 TO 2026
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...................................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 77 2:23 PM 100 1939 77 0 75
MINIMUM 69 5:07 AM 53 1882 66 3 67
1893
AVERAGE 73 71 2 71
PRECIPITATION (IN)
YESTERDAY 0.00 0.24 1939 0.00 0.00 0.00
1991
MONTH TO DATE 0.00 0.06 -0.06 0.45
SINCE JUL 1 0.00 0.15 -0.15 0.50
SINCE OCT 1 10.09 9.73 0.36 5.06
SINCE JAN 1 5.37 6.77 -1.40 4.92
DEGREE DAYS
HEATING
YESTERDAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE SEP 1 0 0 0 0
SINCE JUL 1 0 1 -1 0
COOLING
YESTERDAY 8 6 2 6
MONTH TO DATE 218 146 72 157
SINCE SEP 1 218 146 72 157
SINCE JAN 1 1022 706 316 589
...................................................................
WIND (MPH)
RESULTANT WIND SPEED 2 RESULTANT WIND DIRECTION NW (310)
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION W (280)
HIGHEST GUST SPEED 22 HIGHEST GUST DIRECTION W (270)
AVERAGE WIND SPEED 5.8
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.9
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 76 12:00 AM
LOWEST 56 1:00 PM
AVERAGE 66
..........................................................
THE SAN DIEGO INTL AIRPORT CA CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 77 106 1939
MINIMUM TEMPERATURE (F) 66 53 1893
1997
SUNRISE AND SUNSET
SEPTEMBER 21 2026.....SUNRISE 6:36 AM PDT SUNSET 6:46 PM PDT
SEPTEMBER 22 2026.....SUNRISE 6:37 AM PDT SUNSET 6:45 PM PDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$