Climatological Report (Monthly)
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000
CXUS56 KSGX 011014
CLMSAN

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

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

...THE SAN DIEGO INTL AIRPORT CA CLIMATE SUMMARY FOR THE MONTH OF DECEMBER 2023...

CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1874 TO 2023

WEATHER         OBSERVED          NORMAL  DEPART   LAST YEAR`S
                VALUE   DATE(S)   VALUE   FROM     VALUE DATE(S)
                                          NORMAL
................................................................
TEMPERATURE (F)
RECORD
 HIGH             88   12/29/1963
 LOW              23   12/08/2021
HIGHEST           78   12/05         66      12       82  12/26
LOWEST            43   12/10         49      -6       39  12/17
                                                          12/19
AVG. MAXIMUM    68.4               66.0     2.4     64.9
AVG. MINIMUM    50.1               49.8     0.3     47.7
MEAN            59.2               57.9     1.3     56.3
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                0.0     0.0        0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM        9.26   1921
 MINIMUM        0.00   1930
TOTALS          0.79               1.67   -0.88     1.58
DAILY AVG.      0.03               0.05   -0.02     0.05
DAYS >= .01        5                5.8    -0.8        6
DAYS >= .10        2                3.1    -1.1        4
DAYS >= .50        0                0.9    -0.9        0
DAYS >= 1.00       0                0.5    -0.5        0
DAYS >= %-5.2F     0                                   0
DAYS >= %-5.2F     0                                   0
GREATEST
 24 HR. TOTAL   0.49   12/21 TO 12/22               0.85  12/11 TO 12/12
 STORM TOTAL    0.40                                0.47
 (MM/DD(HH))            MM


DEGREE DAYS
HEATING TOTAL    171                221     -50      262
 SINCE 7/1       267                329     -62       MM
COOLING TOTAL      0                  1      -1        1
 SINCE 1/1       707                894    -187       MM

FREEZE DATES
RECORD
 EARLIEST     MM
 LATEST       MM
EARLIEST                        MM
LATEST                          MM
................................................................

WIND (MPH)
AVERAGE WIND SPEED              3.2
RESULTANT WIND SPEED/DIRECTION   0/280
HIGHEST WIND SPEED/DIRECTION    24/230    DATE  12/21
HIGHEST GUST SPEED/DIRECTION    33/230    DATE  12/21

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.48
NUMBER OF DAYS FAIR            8
NUMBER OF DAYS PC             19
NUMBER OF DAYS CLOUDY          4

AVERAGE RH (PERCENT)     71

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              2     MIXED PRECIP               0
HEAVY RAIN                2     RAIN                       4
LIGHT RAIN                6     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                0     SLEET                      0
FOG                      18     FOG W/VIS <= 1/4 MILE      0
HAZE                      5

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

$$


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