816
CXUS56 KSGX 011014
CLMSDM

CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN DIEGO, CA
214 AM PST MON JAN 01 2024

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

...THE SAN DIEGO/BROWN CLIMATE SUMMARY FOR THE MONTH OF DECEMBER 2023...

CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1997 TO 2023

WEATHER         OBSERVED          NORMAL  DEPART   LAST YEAR`S
                VALUE   DATE(S)   VALUE   FROM     VALUE DATE(S)
                                          NORMAL
................................................................
TEMPERATURE (F)
RECORD
 HIGH             87   12/12/2010
                       12/03/1958
                       07/28/1995
 LOW              29   12/09/1960
                       12/29/1954
HIGHEST           83   12/15         MM      MM       85
LOWEST            38   12/12         MM      MM       36
AVG. MAXIMUM    70.5               66.7     3.8     65.5
AVG. MINIMUM    45.3               43.8     1.5     43.3
MEAN            57.9               55.3     2.6     54.4
DAYS MAX >= 90     0                0.0     0.0        0
DAYS MAX <= 32     0                0.0     0.0        0
DAYS MAX >= 45    31                                  31
DAYS MIN <= 32     0                0.2    -0.2        0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM        4.94   2019
TOTALS          0.76               1.82   -1.06     1.48
DAILY AVG.      0.02               0.06   -0.04     0.04
DAYS >= .01        5                6.9    -1.9        6
DAYS >= .10        2                3.1    -1.1        4
DAYS >= .50        0                0.9    -0.9        1
DAYS >= 1.00       0                0.5    -0.5        0
DAYS >= %-5.2F     0                                   0
DAYS >= %-5.2F     0                                   0
GREATEST
 24 HR. TOTAL   0.46   12/22 TO 12/22               0.83  12/11 TO 12/12
 STORM TOTAL    0.46                                0.62
 (MM/DD(HH))            MM


DEGREE DAYS
HEATING TOTAL    214                304     -90      322
 SINCE 7/1       326                524    -198       MM
COOLING TOTAL      0                  2      -2        3
 SINCE 1/1       713                734     -21       MM

FREEZE DATES
RECORD
 EARLIEST     MM
 LATEST       MM
EARLIEST                        MM
LATEST                          01/02
................................................................

WIND (MPH)
AVERAGE WIND SPEED              5.0
RESULTANT WIND SPEED/DIRECTION   2/130
HIGHEST WIND SPEED/DIRECTION    24/120    DATE  12/09
                                24/220          12/21
HIGHEST GUST SPEED/DIRECTION    30/120    DATE  12/09
                                30/170          12/20
                                30/230          12/21

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.20
NUMBER OF DAYS FAIR           23
NUMBER OF DAYS PC              7
NUMBER OF DAYS CLOUDY          1

AVERAGE RH (PERCENT)     63

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              2     MIXED PRECIP               0
HEAVY RAIN                2     RAIN                       3
LIGHT RAIN                5     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                0     SLEET                      0
FOG                      24     FOG W/VIS <= 1/4 MILE      6
HAZE                     27

-  INDICATES NEGATIVE NUMBERS.
R  INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T  INDICATES TRACE AMOUNT.

$$