Climatological Report (Daily)
Issued by NWS
Issued by NWS
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CDUS46 KSGX 190031
CLISDM
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN DIEGO, CA
531 PM PDT FRI SEP 18 2026
...................................
...THE SAN DIEGO/BROWN CLIMATE SUMMARY FOR SEPTEMBER 18 2026...
VALID TODAY AS OF 0400 PM LOCAL TIME.
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1997 TO 2026
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...................................................................
TEMPERATURE (F)
TODAY
MAXIMUM 78 12:43 PM 97 2020 80 -2 85
MINIMUM 68 6:19 AM 54 1958 61 7 67
2010
2011
AVERAGE 73 70 3 76
PRECIPITATION (IN)
TODAY 0.00 0.11 2025 0.00 0.00 0.11
MONTH TO DATE T 0.09 -0.09 0.31
SINCE JUL 1 0.10 0.14 -0.04 0.47
SINCE OCT 1 8.25 10.14 -1.89 4.57
SINCE JAN 1 4.59 7.05 -2.46 4.47
DEGREE DAYS
HEATING
TODAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE SEP 1 0 0 0 0
SINCE JUL 1 0 2 -2 0
COOLING
TODAY 8 5 3 11
MONTH TO DATE 204 113 91 145
SINCE SEP 1 204 113 91 145
SINCE JAN 1 988 580 408 656
...................................................................
WIND (MPH)
RESULTANT WIND SPEED 1 RESULTANT WIND DIRECTION NW (300)
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION W (260)
HIGHEST GUST SPEED 22 HIGHEST GUST DIRECTION W (290)
AVERAGE WIND SPEED 3.6
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.5
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 73 12:00 AM
LOWEST 50 11:00 AM
AVERAGE 62
..........................................................
THE SAN DIEGO/BROWN CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 79 86 2020
MINIMUM TEMPERATURE (F) 60 52 2023
SUNRISE AND SUNSET
SEPTEMBER 18 2026.....SUNRISE 6:34 AM PDT SUNSET 6:50 PM PDT
SEPTEMBER 19 2026.....SUNRISE 6:34 AM PDT SUNSET 6:48 PM PDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$