344
CDUS46 KSGX 151021
CLISDM
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN DIEGO, CA
221 AM PST MON DEC 15 2025
...............................
..THE SAN DIEGO/BROWN CLIMATE SUMMARY FOR DECEMBER 14 2025
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1997 TO 2025
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...............................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 66 2:32 PM 76 2004 66 0 71
2017
MINIMUM 48 8:01 AM 36 1999 44 4 44
AVERAGE 57 55 2 58
PRECIPITATION (IN)
YESTERDAY 0.00 1.07 2021 0.06 -0.06 0.00
MONTH TO DATE 0.00 0.79 -0.79 T
SINCE JUL 1 2.89 2.29 0.60 0.18
SINCE OCT 1 2.37 2.06 0.31 0.08
SINCE JAN 1 6.89 9.20 -2.31 11.17
DEGREE DAYS
HEATING
YESTERDAY 8 10 -2 7
MONTH TO DATE 80 133 -53 95
SINCE DEC 1 80 133 -53 95
SINCE JUL 1 185 354 -169 256
COOLING
YESTERDAY 0 0 0 0
MONTH TO DATE 3 0 3 0
SINCE DEC 1 3 0 3 0
SINCE JAN 1 811 732 79 864
...............................................................
WIND (MPH)
RESULTANT WIND SPEED 1 RESULTANT WIND DIRECTION N (340)
HIGHEST WIND SPEED 9 HIGHEST WIND DIRECTION W (280)
HIGHEST GUST SPEED 13 HIGHEST GUST DIRECTION W (280)
AVERAGE WIND SPEED 2.1
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.8
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
FOG
FOG W/VISIBILITY <= 1/4 MILE
HAZE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 100 12:00 AM
LOWEST 68 2:00 PM
AVERAGE 84
......................................................
THE SAN DIEGO/BROWN CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 66 83 2017
2023
MINIMUM TEMPERATURE (F) 44 36 2015
SUNRISE AND SUNSET
DECEMBER 15 2025......SUNRISE 6:43 AM PST SUNSET 4:44 PM PST
DECEMBER 16 2025......SUNRISE 6:43 AM PST SUNSET 4:44 PM PST
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
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