Weekly Climate Summary for 31 May 2025 through 06 June 2025 UTC
South Pole Station, Antarctica

Temperature:
Average temp... -56.3°C / -69.3°F
Maximum temp... -41.1°C / -42.0°F on day 31
Minimum temp... -67.4°C / -89.3°F on day 5

Wind:
Average wind speed.......... 9.9 mph or 8.6 knots
Prevailing wind direction... Grid East
Maximum wind speed.......... 22 mph or 19 knots on day 3
Maximum wind direction...... Grid Northeast
Average vectored wind....... 090 degrees at 7.8 knots

Station Pressure:
Average pressure... 685.5 mb
Highest pressure... 695.6 mb on day 31
Lowest pressure.... 678.9 mb on day 3

Physio-altitude:
Average physio-alt = 10421 ft/ 3176 m
Highest physio-alt = 10670 ft/ 3252 m on day 3
Lowest physio-alt  = 10045 ft/ 3062 m on day 31

Sky Cover:
Average cloud cover (8ths)... 2
Days clear................... 4
Days partly cloudy........... 3
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..... 7
Average height of soundings.......... 92.8 mb, or 15503 meters
Highest sounding..................... 47.2 mb, or 19181 meters on day 02/00Z flight

0 soundings were missed.

**RECORDS**
No records were tied or broken this week.