Weekly Climate Summary for 05 April 2025 through 11 April 2025 UTC
South Pole Station, Antarctica

Temperature:
Average temp... -59.9°C / -75.8°F
Maximum temp... -54.2°C / -65.6°F on day 6
Minimum temp... -70.2°C / -94.4°F on day 9

Wind:
Average wind speed.......... 6.8 mph or 5.9 knots
Prevailing wind direction... Grid Northeast
Maximum wind speed.......... 18 mph or 16 knots on day 5
Maximum wind direction...... Grid Northeast
Average vectored wind....... 040 degrees at 4.7 knots

Station Pressure:
Average pressure... 670.4 mb
Highest pressure... 677.0 mb on day 6
Lowest pressure.... 662.3 mb on day 11

Physio-altitude:
Average physio-alt = 10992 ft/ 3350 m
Highest physio-alt = 11303 ft/ 3445 m on day 11
Lowest physio-alt  = 10742 ft/ 3274 m on day 6

Sky Cover:
Average cloud cover (8ths)... 5
Days clear................... 0
Days partly cloudy........... 7
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.......... 29.6 mb, or 23842 meters
Highest sounding..................... 16.4 mb, or 26470 meters on day 11/00Z flight

1 sounding was missed.

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