Weekly Climate Summary for 16 December 2023 through 22 December 2023 UTC South Pole Station, Antarctica Temperature: Average temp... -26.9°C / -16.5°F Maximum temp... -22.3°C / -8.1°F on day 20 Minimum temp... -31.0°C / -23.8°F on day 17 Wind: Average wind speed.......... 8.2 mph or 7.2 knots Prevailing wind direction... Grid Northwest Maximum wind speed.......... 18 mph or 16 knots on day 16 Maximum wind direction...... Grid Northwest Average vectored wind....... 326 degrees at 5.7 knots Station Pressure: Average pressure... 681.7 mb Highest pressure... 686.5 mb on day 16 Lowest pressure.... 678.5 mb on day 18 Physio-altitude: Average physio-alt = 10564 ft/ 3220 m Highest physio-alt = 10685 ft/ 3257 m on day 18 Lowest physio-alt = 10384 ft/ 3165 m on day 16 Sky Cover: Average cloud cover (8ths)... 5 Days clear................... 0 Days partly cloudy........... 5 Days cloudy.................. 2 Sunshine: Sunset on 22 March 2024 Average hours per day... 12.2 Percent of possible..... 51 Visibility: 1 days with visibility of 1/4 mile or less. Balloon flight data: Number of soundings for the week..... 14 Average height of soundings.......... 17.8 mb, or 27837 meters Highest sounding..................... 3.9 mb, or 38722 meters on day 18/00Z flight 0 soundings were missed. **RECORDS** No records were tied or broken this week.