Weekly Climate Summary for 10 May 2025 through 16 May 2025 UTC
South Pole Station, Antarctica

Temperature:
Average temp... -55.7°C / -68.3°F
Maximum temp... -36.2°C / -33.2°F on day 11
Minimum temp... -70.1°C / -94.2°F on day 16

Wind:
Average wind speed.......... 10.4 mph or 9.0 knots
Prevailing wind direction... Grid East
Maximum wind speed.......... 31 mph or 27 knots on day 10
Maximum wind direction...... Grid Northwest
Average vectored wind....... 012 degrees at 4.3 knots

Station Pressure:
Average pressure... 678.5 mb
Highest pressure... 686.8 mb on day 10
Lowest pressure.... 675.4 mb on day 13

Physio-altitude:
Average physio-alt = 10685 ft/ 3257 m
Highest physio-alt = 10802 ft/ 3292 m on day 13
Lowest physio-alt  = 10373 ft/ 3162 m on day 10

Sky Cover:
Average cloud cover (8ths)... 4
Days clear................... 3
Days partly cloudy........... 2
Days cloudy.................. 2

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..... 7
Average height of soundings.......... 68.6 mb, or 18392 meters
Highest sounding..................... 7.2 mb, or 29619 meters on day 14/00Z flight

0 soundings were missed.

**RECORDS**
5/10: A maximum temperature of -36.9°C / -34.4°F beats the previous daily record of -37.0°C / -34.6°F, set on this day in 1988