Weekly Climate Summary for 19 July 2025 through 25 July 2025 UTC
South Pole Station, Antarctica

Temperature:
Average temp... -62.2°C / -80.0°F
Maximum temp... -54.7°C / -66.5°F on day 21
Minimum temp... -72.2°C / -98.0°F on day 23

Wind:
Average wind speed.......... 10.9 mph or 9.5 knots
Prevailing wind direction... Grid Northeast
Maximum wind speed.......... 28 mph or 24 knots on day 19
Maximum wind direction...... Grid North
Average vectored wind....... 058 degrees at 6.8 knots

Station Pressure:
Average pressure... 679.5 mb
Highest pressure... 689.0 mb on day 20
Lowest pressure.... 671.3 mb on day 19

Physio-altitude:
Average physio-alt = 10647 ft/ 3245 m
Highest physio-alt = 10958 ft/ 3340 m on day 19
Lowest physio-alt  = 10291 ft/ 3137 m on day 20

Sky Cover:
Average cloud cover (8ths)... 2
Days clear................... 4
Days partly cloudy........... 3
Days cloudy.................. 0

Sunshine:
Sunrise on 20 September 2025
Average hours per day... 0.0
Percent of possible..... 0

Visibility:
0 days with visibility of 1/4 mile or less.

Balloon flight data:
Number of soundings for the week..... 6
Average height of soundings.......... 124.2 mb, or 13325 meters
Highest sounding..................... 98.6 mb, or 14488 meters on day 24/00Z flight

1 sounding was missed.

**RECORDS**
No records were tied or broken this week.