Climatological Report (Daily)
Issued by NWS Austin/San Antonio, TX

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319
CDUS44 KEWX 180704
CLISAT

CLIMATE REPORT
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO
204 AM CDT MON AUG 18 2025

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

...THE SAN ANTONIO CLIMATE SUMMARY FOR AUGUST 17 2025...

CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1886 TO 2025


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
...................................................................
TEMPERATURE (F)
 YESTERDAY
  MAXIMUM        101   4:49 PM 106    2023  96      5      101
  MINIMUM         79   6:27 AM  66    1885  75      4       79
  AVERAGE         90                        86      4       90

PRECIPITATION (IN)
  YESTERDAY        0.00          1.39 1967   0.06  -0.06     0.00
  MONTH TO DATE    0.06                      0.88  -0.82     0.03
  SINCE JUN 1      8.72                      6.57   2.15     6.98
  SINCE JAN 1     20.31                     19.40   0.91    19.48

SNOWFALL (IN)
  YESTERDAY        0.0
  MONTH TO DATE    0.0
  SINCE JUN 1      0.0
  SINCE JUL 1      0.0
  SNOW DEPTH       0

DEGREE DAYS
 HEATING
  YESTERDAY        0                         0      0        0
  MONTH TO DATE    0                         0      0        0
  SINCE JUN 1      0                         0      0        0
  SINCE JUL 1      0                         0      0        0

 COOLING
  YESTERDAY       25                        21      4       25
  MONTH TO DATE  398                       357     41      415
  SINCE JUN 1   1590                      1497     93     1703
  SINCE JAN 1   2627                      2122    505     2605
...................................................................


WIND (MPH)
  HIGHEST WIND SPEED    23   HIGHEST WIND DIRECTION    SE (130)
  HIGHEST GUST SPEED    29   HIGHEST GUST DIRECTION    SE (140)
  AVERAGE WIND SPEED     9.9


SKY COVER
  AVERAGE SKY COVER 0.5


WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  NO SIGNIFICANT WEATHER WAS OBSERVED.


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    82           3:00 AM
 LOWEST     28           4:00 PM
 AVERAGE    55

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


THE SAN ANTONIO CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   96       105      1909
 MINIMUM TEMPERATURE (F)   75        64      1992


SUNRISE AND SUNSET
AUGUST 18 2025........SUNRISE   7:04 AM CDT   SUNSET   8:11 PM CDT
AUGUST 19 2025........SUNRISE   7:04 AM CDT   SUNSET   8:10 PM CDT


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




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