Climatological Report (Monthly)
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264
CXUS56 KSGX 010944
CLMSAN

CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN DIEGO, CA
244 AM PDT MON SEP 01 2025

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

...THE SAN DIEGO INTL AIRPORT CA CLIMATE SUMMARY FOR THE MONTH OF AUGUST 2025...

CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1874 TO 2025

WEATHER         OBSERVED          NORMAL  DEPART   LAST YEAR`S
                VALUE   DATE(S)   VALUE   FROM     VALUE DATE(S)
                                          NORMAL
................................................................
TEMPERATURE (F)
RECORD
 HIGH             98   08/31/1955
 LOW              54   08/29/1895
                       08/28/1887
                       08/19/1884
HIGHEST           88   08/29         78      10       85  08/06
LOWEST            63   08/01         67      -4       63  08/25
AVG. MAXIMUM    76.4               77.3    -0.9     79.0
AVG. MINIMUM    66.2               67.5    -1.3     68.3
MEAN            71.3               72.4    -1.1     73.6
DAYS MAX >= 90     0                0.3    -0.3        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        2.13   1977
 MINIMUM        0.00   2019
TOTALS          0.05               0.01    0.04        T
DAILY AVG.      0.00               0.00   -0.00        T
DAYS >= .01        1                0.3     0.7        0
DAYS >= .10        0                0.0     0.0        0
DAYS >= .50        0                0.0     0.0        0
DAYS >= 1.00       0                0.0     0.0        0
DAYS >= %-5.2F     0                                   0
DAYS >= %-5.2F     0                                   0
GREATEST
 24 HR. TOTAL   0.05   08/28 TO 08/28                  T  08/11 TO 08/11
                                                          08/01 TO 08/01
                                                          08/11 TO 08/11
 STORM TOTAL    0.05                                0.00
 (MM/DD(HH))            MM


DEGREE DAYS
HEATING TOTAL      0                  0       0        0
 SINCE 7/1         0                  1      -1       MM
COOLING TOTAL    204                230     -26      274
 SINCE 1/1       432                560    -128       MM

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

WIND (MPH)
AVERAGE WIND SPEED              5.5
RESULTANT WIND SPEED/DIRECTION   3/250
HIGHEST WIND SPEED/DIRECTION    22/280    DATE  08/23
HIGHEST GUST SPEED/DIRECTION    33/200    DATE  08/17

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.56
NUMBER OF DAYS FAIR            4
NUMBER OF DAYS PC             21
NUMBER OF DAYS CLOUDY          6

AVERAGE RH (PERCENT)     76

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

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

$$