945
CDUS46 KSGX 171021
CLIMYF
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN DIEGO, CA
221 AM PST WED DEC 17 2025
...............................
...THE SAN DIEGO/MONTGOMERY FLD CA CLIMATE SUMMARY FOR DECEMBER 16 2025...
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1998 TO 2025
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...............................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 69 12:41 PM 84 2013 67 2 70
MINIMUM 47 6:37 AM 36 2001 45 2 43
AVERAGE 58 56 2 57
PRECIPITATION (IN)
YESTERDAY 0.00 1.39 2016 0.05 -0.05 0.00
MONTH TO DATE 0.00 0.75 -0.75 0.01
SINCE JUL 1 3.40 2.45 0.95 0.14
SINCE OCT 1 3.05 2.20 0.85 0.11
SINCE JAN 1 8.57 10.16 -1.59 11.59
DEGREE DAYS
HEATING
YESTERDAY 7 9 -2 8
MONTH TO DATE 81 137 -56 107
SINCE DEC 1 81 137 -56 107
SINCE JUL 1 192 304 -112 279
COOLING
YESTERDAY 0 0 0 0
MONTH TO DATE 2 0 2 0
SINCE DEC 1 2 0 2 0
SINCE JAN 1 921 1016 -95 940
...............................................................
WIND (MPH)
RESULTANT WIND SPEED 1 RESULTANT WIND DIRECTION W (250)
HIGHEST WIND SPEED 10 HIGHEST WIND DIRECTION N (350)
HIGHEST GUST SPEED 13 HIGHEST GUST DIRECTION N (360)
AVERAGE WIND SPEED 3.2
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.5
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 51 12:00 PM
AVERAGE 76
......................................................
THE SAN DIEGO/MONTGOMERY FLD CA CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 67 78 1999
2013
MINIMUM TEMPERATURE (F) 45 38 2001
2015
SUNRISE AND SUNSET
DECEMBER 17 2025......SUNRISE 6:45 AM PST SUNSET 4:45 PM PST
DECEMBER 18 2025......SUNRISE 6:46 AM PST SUNSET 4:45 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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