Weekly Climate Summary for 28 June 2025 through 04 July 2025 UTC
South Pole Station, Antarctica

Temperature:
Average temp... -62.9°C / -81.2°F
Maximum temp... -43.1°C / -45.6°F on day 28
Minimum temp... -69.9°C / -93.8°F on day 3

Wind:
Average wind speed.......... 9.8 mph or 8.5 knots
Prevailing wind direction... Grid Northeast
Maximum wind speed.......... 24 mph or 21 knots on day 4
Maximum wind direction...... Grid Northeast
Average vectored wind....... 070 degrees at 7.6 knots

Station Pressure:
Average pressure... 669.2 mb
Highest pressure... 675.6 mb on day 28
Lowest pressure.... 665.0 mb on day 4

Physio-altitude:
Average physio-alt = 11038 ft/ 3364 m
Highest physio-alt = 11199 ft/ 3413 m on day 4
Lowest physio-alt  = 10795 ft/ 3290 m on day 28

Sky Cover:
Average cloud cover (8ths)... 1
Days clear................... 6
Days partly cloudy........... 1
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..... 6
Average height of soundings.......... 65.2 mb, or 18172 meters
Highest sounding..................... 7.0 mb, or 28817 meters on day 02/00Z flight

1 sounding was missed.

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