Weekly Climate Summary for 11 October 2025 through 17 October 2025 UTC
South Pole Station, Antarctica

Temperature:
Average temp... -54.6°C / -66.3°F
Maximum temp... -43.3°C / -45.9°F on day 11
Minimum temp... -62.7°C / -80.9°F on day 15

Wind:
Average wind speed.......... 11.5 mph or 10.0 knots
Prevailing wind direction... Grid East
Maximum wind speed.......... 34 mph or 30 knots on day 11
Maximum wind direction...... Grid North
Average vectored wind....... 066 degrees at 5.7 knots

Station Pressure:
Average pressure... 687.3 mb
Highest pressure... 693.6 mb on day 16
Lowest pressure.... 678.1 mb on day 17

Physio-altitude:
Average physio-alt = 10354 ft/ 3156 m
Highest physio-alt = 10700 ft/ 3261 m on day 17
Lowest physio-alt  = 10119 ft/ 3084 m on day 16

Sky Cover:
Average cloud cover (8ths)... 3
Days clear................... 4
Days partly cloudy........... 2
Days cloudy.................. 1

Sunshine:
Sunset on 22 March 2026
Average hours per day... 19.4
Percent of possible..... 81

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

Balloon flight data:
Number of soundings for the week..... 14
Average height of soundings.......... 42.6 mb, or 22347 meters
Highest sounding..................... 9.5 mb, or 29137 meters on day 15/00Z flight

0 soundings were missed.

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