855
CXUS56 KSGX 011249
CLMSAN

CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN DIEGO, CA
449 AM PST WED JAN 01 2025

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...THE SAN DIEGO INTL AIRPORT CA CLIMATE SUMMARY FOR THE MONTH OF DECEMBER 2024...

CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1874 TO 2024

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           79   12/07         66      13       78  12/05
LOWEST            42   12/10         49      -7       43  12/10
AVG. MAXIMUM    66.5               66.0     0.5     68.4
AVG. MINIMUM    49.0               49.8    -0.8     50.1
MEAN            57.7               57.9    -0.2     59.3
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          0.01               1.67   -1.66     0.79
DAILY AVG.      0.00               0.05   -0.05     0.03
DAYS >= .01        1                5.8    -4.8        5
DAYS >= .10        0                3.1    -3.1        2
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   0.01   12/12 TO 12/12               0.49  12/21 TO 12/22
 STORM TOTAL    0.01                                0.40
 (MM/DD(HH))            MM


DEGREE DAYS
HEATING TOTAL    217                221      -4      171
 SINCE 7/1       350                329      21       MM
COOLING TOTAL      0                  1      -1        0
 SINCE 1/1       864                894     -30       MM

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

WIND (MPH)
AVERAGE WIND SPEED              3.2
RESULTANT WIND SPEED/DIRECTION   1/310
HIGHEST WIND SPEED/DIRECTION    16/310    DATE  12/21
HIGHEST GUST SPEED/DIRECTION    26/320    DATE  12/21

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.57
NUMBER OF DAYS FAIR            3
NUMBER OF DAYS PC             23
NUMBER OF DAYS CLOUDY          5

AVERAGE RH (PERCENT)     73

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              0     MIXED PRECIP               0
HEAVY RAIN                0     RAIN                       0
LIGHT RAIN                3     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                0     SLEET                      0
FOG                      23     FOG W/VIS <= 1/4 MILE      9
HAZE                     20

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

$$