Weekly Climate Summary for 18 February 2023 through 24 February 2023 UTC
South Pole Station, Antarctica

Temperature:
Average temp... -47.7°C / -53.9°F
Maximum temp... -40.3°C / -40.5°F on day 24
Minimum temp... -56.0°C / -68.8°F on day 24

Wind:
Average wind speed.......... 8.9 mph or 7.8 knots
Prevailing wind direction... Grid Northeast
Maximum wind speed.......... 20 mph or 17 knots on day 19
Maximum wind direction...... Grid Northeast
Average vectored wind....... 063 degrees at 6.2 knots

Station Pressure:
Average pressure... 683.6 mb
Highest pressure... 690.1 mb on day 20
Lowest pressure.... 676.7 mb on day 23

Physio-altitude:
Average physio-alt = 10493 ft/ 3198 m
Highest physio-alt = 10753 ft/ 3278 m on day 23
Lowest physio-alt  = 10250 ft/ 3124 m on day 20

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

Sunshine:
Sunset on 23 March 2024
Average hours per day... 16.9
Percent of possible..... 70

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

Balloon flight data:
Number of soundings for the week..... 14
Average height of soundings.......... 14.8 mb, or 29117 meters
Highest sounding..................... 3.6 mb, or 38393 meters
                                      on day 20/00Z flight

0 soundings were missed.

**RECORDS**

22 Feb:  Minimum temperature of –54.7°C/-66.5°F broke the record of  –54.6°C/-66.3°F previously set in 1988.
23 Feb:  Minimum temperature of –54.0°C/-65.2°F broke the record of  –53.9°C/-65.0°F previously set in 1968.
24 Feb:  Minimum temperature of –56.0°C/-68.8°F broke the record of  –55.8°C/-68.4°F previously set in 1993.