Weekly Climate Summary for 03 May 2025 through 09 May 2025 UTC South Pole Station, Antarctica Temperature: Average temp... -54.7°C / -66.5°F Maximum temp... -47.1°C / -52.8°F on day 9 Minimum temp... -64.2°C / -83.6°F on day 7 Wind: Average wind speed.......... 11.1 mph or 9.6 knots Prevailing wind direction... Grid North Maximum wind speed.......... 36 mph or 31 knots on day 6 Maximum wind direction...... Grid North Average vectored wind....... 018 degrees at 8.8 knots Station Pressure: Average pressure... 683.2 mb Highest pressure... 688.7 mb on day 9 Lowest pressure.... 676.0 mb on day 6 Physio-altitude: Average physio-alt = 10508 ft/ 3203 m Highest physio-alt = 10780 ft/ 3286 m on day 6 Lowest physio-alt = 10302 ft/ 3140 m on day 9 Sky Cover: Average cloud cover (8ths)... 4 Days clear................... 0 Days partly cloudy........... 7 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..... 11 Average height of soundings.......... 57.0 mb, or 18483 meters Highest sounding..................... 38.0 mb, or 20843 meters on day 03/00Z flight 1 sounding was missed. **RECORDS** 5/6: A peak wind of 31 knots/36 mph ties the previous daily record of 31 knots set on this day in 1982