Weekly Climate Summary for 11 January 2025 through 17 January 2025 UTC South Pole Station, Antarctica Temperature: Average temp... -26.4°C / -15.5°F Maximum temp... -22.7°C / -8.9°F on day 12 Minimum temp... -29.7°C / -21.5°F on day 12 Wind: Average wind speed.......... 12.9 mph or 11.2 knots Prevailing wind direction... Grid North Maximum wind speed.......... 26 mph or 23 knots on day 12 Maximum wind direction...... Grid Northwest Average vectored wind....... 014 degrees at 9.6 knots Station Pressure: Average pressure... 691.9 mb Highest pressure... 697.2 mb on day 16 Lowest pressure.... 685.0 mb on day 11 Physio-altitude: Average physio-alt = 10183 ft/ 3104 m Highest physio-alt = 10440 ft/ 3182 m on day 11 Lowest physio-alt = 9986 ft/ 3044 m on day 16 Sky Cover: Average cloud cover (8ths)... 5 Days clear................... 1 Days partly cloudy........... 4 Days cloudy.................. 2 Sunshine: Sunset on 22 March 2025 Average hours per day... 19.3 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.......... 28.2 mb, or 25687 meters Highest sounding..................... 15.6 mb, or 28615 meters on day (11/12Z flight) 0 soundings were missed. **RECORDS** No records were tied or broken this week.