Weekly Climate Summary for 25 January 2025 through 31 January 2025 UTC South Pole Station, Antarctica Temperature: Average temp... -29.3°C / -20.7°F Maximum temp... -24.4°C / -11.9°F on day 27 Minimum temp... -33.2°C / -27.8°F on day 31 Wind: Average wind speed.......... 12.9 mph or 11.2 knots Prevailing wind direction... Grid North Maximum wind speed.......... 25 mph or 22 knots on day 28 Maximum wind direction...... Grid North Average vectored wind....... 021 degrees at 10.3 knots Station Pressure: Average pressure... 687.0 mb Highest pressure... 689.7 mb on day 30 Lowest pressure.... 683.9 mb on day 31 Physio-altitude: Average physio-alt = 10365 ft/ 3159 m Highest physio-alt = 10481 ft/ 3195 m on day 31 Lowest physio-alt = 10264 ft/ 3128 m on day 30 Sky Cover: Average cloud cover (8ths)... 5 Days clear................... 1 Days partly cloudy........... 5 Days cloudy.................. 1 Sunshine: Sunset on 22 March 2025 Average hours per day... 18.3 Percent of possible..... 76 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.......... 58.9 mb, or 26220 meters Highest sounding..................... 3.9 mb, or 38639 meters on day 29/00Z flight 1 sounding was missed. **RECORDS** No records were tied or broken this week.