Weekly Climate Summary for 19 April 2025 through 25 April 2025 UTC
South Pole Station, Antarctica

Temperature:
Average temp... -51.9°C / -61.4°F
Maximum temp... -35.8°C / -32.4°F on day 24
Minimum temp... -69.2°C / -92.6°F on day 20

Wind:
Average wind speed.......... 13.1 mph or 11.4 knots
Prevailing wind direction... Grid Northwest
Maximum wind speed.......... 38 mph or 33 knots on day 22
Maximum wind direction...... Grid Northwest
Average vectored wind....... 342 degrees at 6.4 knots

Station Pressure:
Average pressure... 684.8 mb
Highest pressure... 699.8 mb on day 25
Lowest pressure.... 668.9 mb on day 19

Physio-altitude:
Average physio-alt = 10448 ft/ 3185 m
Highest physio-alt = 11050 ft/ 3368 m on day 19
Lowest physio-alt  =  9890 ft/ 3014 m on day 25

Sky Cover:
Average cloud cover (8ths)... 5
Days clear................... 1
Days partly cloudy........... 2
Days cloudy.................. 4

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..... 9
Average height of soundings.......... 55.9 mb, or 20882 meters
Highest sounding..................... 22.1 mb, or 23990 meters on day 19/12Z flight

0 soundings were missed.

**RECORDS**
4/22: A peak wind of 33 knots breaks the previous record of 32 knots set on this day in 2015.