Weekly Climate Summary for 12 February 2023 through 18 February 2023 UTC South Pole Station, Antarctica Temperature: Average temp... -43.3°C / -46.0°F Maximum temp... -34.7°C / -30.5°F on day 12 Minimum temp... -49.6°C / -57.3°F on day 18 Wind: Average wind speed.......... 9.1 mph or 7.9 knots Prevailing wind direction... Grid East Maximum wind speed.......... 18 mph or 16 knots on day 12 Maximum wind direction...... Grid North Average vectored wind....... 072 degrees at 5.5 knots Station Pressure: Average pressure... 685.6 mb Highest pressure... 688.6 mb on day 12 Lowest pressure.... 681.4 mb on day 16 Physio-altitude: Average physio-alt = 10418 ft/ 3175 m Highest physio-alt = 10575 ft/ 3223 m on day 16 Lowest physio-alt = 10305 ft/ 3141 m on day 12 Sky Cover: Average cloud cover (8ths)... 4 Days clear................... 2 Days partly cloudy........... 4 Days cloudy.................. 1 Sunshine: Sunset on 23 March 2023 Average hours per day... 20.3 Percent of possible..... 85 Visibility: 0 days with visibility of 1/4 mile or less. Balloon flight data: Number of soundings for the week..... 15 Average height of soundings.......... 17.0 mb, or 28156 meters Highest sounding..................... 11.1 mb, or 30674 meters on day 14/00Z flight 0 soundings were missed. **RECORDS** No records were tied or broken this week.