Weekly Climate Summary for 30 August 2025 through 05 September 2025 UTC
South Pole Station, Antarctica

Temperature:
Average temp... -61.4°C / -78.5°F
Maximum temp... -52.0°C / -61.6°F on day 5
Minimum temp... -70.2°C / -94.4°F on day 3

Wind:
Average wind speed.......... 11.3 mph or 9.8 knots
Prevailing wind direction... Grid Southeast
Maximum wind speed.......... 25 mph or 22 knots on day 2
Maximum wind direction...... Grid Southeast
Average vectored wind....... 102 degrees at 9.2 knots

Station Pressure:
Average pressure... 677.2 mb
Highest pressure... 691.3 mb on day 1
Lowest pressure.... 671.4 mb on day 5

Physio-altitude:
Average physio-alt = 10734 ft/ 3272 m
Highest physio-alt = 10954 ft/ 3339 m on day 5
Lowest physio-alt  = 10205 ft/ 3110 m on day 1

Sky Cover:
Average cloud cover (8ths)... 2
Days clear................... 5
Days partly cloudy........... 2
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..... 13
Average height of soundings.......... 116.2 mb, or 14659 meters
Highest sounding..................... 7.2 mb, or 29762 meters on day 05/00Z flight

1 sounding was missed.

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