Climatological Report (Monthly)
Issued by NWS

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331
CXUS56 KSGX 010944
CLMMYF

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

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

...THE SAN DIEGO/MONTGOMERY FLD CA CLIMATE SUMMARY FOR THE MONTH OF AUGUST 2025...

CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1998 TO 2025

WEATHER         OBSERVED          NORMAL  DEPART   LAST YEAR`S
                VALUE   DATE(S)   VALUE   FROM     VALUE DATE(S)
                                          NORMAL
................................................................
TEMPERATURE (F)
RECORD
 HIGH            105   08/29/2009
 LOW              55   08/31/2010
HIGHEST           92   08/29         MM      MM       93  08/20
LOWEST            62   08/01         MM      MM       59  08/25
                       08/19
                       08/20
AVG. MAXIMUM    80.8               82.0    -1.2     82.4
AVG. MINIMUM    64.8               65.3    -0.5     65.5
MEAN            72.8               73.7    -0.9     73.9
DAYS MAX >= 90     2                3.3    -1.3        1
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        2.15   2023
TOTALS          0.05               0.01    0.04     0.01
DAILY AVG.      0.00               0.00   -0.00     0.00
DAYS >= .01        1                0.3     0.7        1
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               0.01  08/01 TO 08/01
 STORM TOTAL    0.05                                0.01
 (MM/DD(HH))            MM


DEGREE DAYS
HEATING TOTAL      0                  0       0        0
 SINCE 7/1         0                  1      -1       MM
COOLING TOTAL    251                268     -17      282
 SINCE 1/1       580                646     -66       MM

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

WIND (MPH)
AVERAGE WIND SPEED              5.1
RESULTANT WIND SPEED/DIRECTION   3/250
HIGHEST WIND SPEED/DIRECTION    17/230    DATE  08/23
HIGHEST GUST SPEED/DIRECTION    23/200    DATE  08/15

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.28
NUMBER OF DAYS FAIR           21
NUMBER OF DAYS PC              9
NUMBER OF DAYS CLOUDY          1

AVERAGE RH (PERCENT)     72

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                      23     FOG W/VIS <= 1/4 MILE      5
HAZE                     19

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

$$