Climatological Report (Daily)
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338
CDUS46 KSGX 151021
CLIMYF

CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN DIEGO, CA
221 AM PST MON DEC 15 2025

...................................

...THE SAN DIEGO/MONTGOMERY FLD CA CLIMATE SUMMARY FOR DECEMBER 14 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         66   2:06 PM  80    2017  67     -1       69
  MINIMUM         51   7:39 AM  38    2007  45      6       46
  AVERAGE         59                        56      3       58

PRECIPITATION (IN)
  YESTERDAY        0.00          1.14 2021   0.05  -0.05     0.00
  MONTH TO DATE    0.00                      0.64  -0.64     0.01
  SINCE JUL 1      3.40                      2.34   1.06     0.14
  SINCE OCT 1      3.05                      2.09   0.96     0.11
  SINCE JAN 1      8.57                     10.05  -1.48    11.59

DEGREE DAYS
 HEATING
  YESTERDAY        6                         9     -3        7
  MONTH TO DATE   68                       119    -51       90
  SINCE DEC 1     68                       119    -51       90
  SINCE JUL 1    179                       286   -107      262

 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   4   RESULTANT WIND DIRECTION  NW (330)
  HIGHEST WIND SPEED    13   HIGHEST WIND DIRECTION    NW (300)
  HIGHEST GUST SPEED    16   HIGHEST GUST DIRECTION    NW (300)
  AVERAGE WIND SPEED     4.9


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           3:00 AM
 LOWEST     68           2:00 PM
 AVERAGE    84

..........................................................


THE SAN DIEGO/MONTGOMERY FLD CA CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   67        82      2017
 MINIMUM TEMPERATURE (F)   45        39      2011
                                             2015


SUNRISE AND SUNSET
DECEMBER 15 2025......SUNRISE   6:44 AM PST   SUNSET   4:44 PM PST
DECEMBER 16 2025......SUNRISE   6:44 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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