Weekly Climate Summary for 12 July 2025 through 18 July 2025 UTC
South Pole Station, Antarctica

Temperature:
Average temp... -56.8°C / -70.2°F
Maximum temp... -47.4°C / -53.3°F on day 17
Minimum temp... -64.6°C / -84.3°F on day 13

Wind:
Average wind speed.......... 15 mph or 13 knots
Prevailing wind direction... Grid North
Maximum wind speed.......... 37 mph or 32 knots on day 17 and 18
Maximum wind direction...... Grid North
Average vectored wind....... 026 degrees at 12 knots

Station Pressure:
Average pressure... 671.8 mb
Highest pressure... 677.0 mb on day 12
Lowest pressure.... 666.7 mb on day 15

Physio-altitude:
Average physio-alt = 10939 ft/ 3334 m
Highest physio-alt = 11134 ft/ 3394 m on day 15
Lowest physio-alt  = 10742 ft/ 3274 m on day 12

Sky Cover:
Average cloud cover (8ths)... 5
Days clear................... 0
Days partly cloudy........... 2
Days cloudy.................. 5

Sunshine:
Sunrise on 20 September 2025
Average hours per day... 0.0
Percent of possible..... 0

Visibility:
2 days with visibility of 1/4 mile or less.

Balloon flight data:
Number of soundings for the week..... 7
Average height of soundings.......... 83.6 mb, or 16746 meters
Highest sounding..................... 7.7 mb, or 26800 meters on day 16/00Z flight

0 soundings were missed.

**RECORDS**
7/18: A peak wind of 32 knots ties the previous daily record of 32 knots, set on this day in 1989