Climatological Report (Daily)
Issued by NWS
Issued by NWS
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431
CDUS46 KSGX 180919
CLISDM
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN DIEGO, CA
219 AM PDT FRI SEP 18 2026
...................................
...THE SAN DIEGO/BROWN CLIMATE SUMMARY FOR SEPTEMBER 17 2026...
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)
YESTERDAY
MAXIMUM 77 12:17 PM 97 2020 80 -3 86
MINIMUM 66 7:56 PM 51 2010 61 5 67
AVERAGE 72 70 2 77
PRECIPITATION (IN)
YESTERDAY 0.00 0.20 2025 0.01 -0.01 0.20
MONTH TO DATE T 0.09 -0.09 0.20
SINCE JUL 1 0.10 0.14 -0.04 0.36
SINCE OCT 1 8.25 10.14 -1.89 4.46
SINCE JAN 1 4.59 7.05 -2.46 4.36
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 2 -2 0
COOLING
YESTERDAY 7 5 2 12
MONTH TO DATE 196 108 88 134
SINCE SEP 1 196 108 88 134
SINCE JAN 1 980 575 405 645
...................................................................
WIND (MPH)
RESULTANT WIND SPEED 4 RESULTANT WIND DIRECTION W (280)
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION W (260)
HIGHEST GUST SPEED 21 HIGHEST GUST DIRECTION W (270)
AVERAGE WIND SPEED 5.1
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 78 12:00 AM
LOWEST 57 12:00 PM
AVERAGE 68
..........................................................
THE SAN DIEGO/BROWN CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 80 97 2020
MINIMUM TEMPERATURE (F) 61 54 1958
2010
2011
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.
$$