Weekly Climate Summary for 04 October 2025 through 10 October 2025 UTC
South Pole Station, Antarctica

Temperature:
Average temp... -55.4°C / -67.7°F
Maximum temp... -48.1°C / -54.6°F on day 10
Minimum temp... -61.0°C / -77.8°F on day 8

Wind:
Average wind speed.......... 12.0 mph or 10.4 knots
Prevailing wind direction... Grid North
Maximum wind speed.......... 28 mph or 24 knots on day 4
Maximum wind direction...... Grid North
Average vectored wind....... 038 degrees at 8.4 knots

Station Pressure:
Average pressure... 673.9 mb
Highest pressure... 685.0 mb on day 8
Lowest pressure.... 667.7 mb on day 4

Physio-altitude:
Average physio-alt = 10859 ft/ 3310 m
Highest physio-alt = 11096 ft/ 3382 m on day 4
Lowest physio-alt  = 10440 ft/ 3182 m on day 8

Sky Cover:
Average cloud cover (8ths)... 5
Days clear................... 1
Days partly cloudy........... 6
Days cloudy.................. 0

Sunshine:
Sunset on 22 March 2026
Average hours per day... 10.2
Percent of possible..... 43

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.......... 12.1 mb, or 27928 meters
Highest sounding..................... 7.0 mb, or 31977 meters on day 09/00Z flight

0 soundings were missed.

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