Weather

SOUTH POLE
WEEKLY WEATHER SUMMARY
Jan 19, 2012 - Jan 25, 2013, South Pole Station, Antarctica
Temperature:
Average temp... -27.3°C / -17.1°F
Maximum temp... -23.9°C / -11.0°F on day 22
Minimum temp... -29.8°C / -21.6°F on day 24
Wind:
Average wind speed.......... 10.6 mph or 9.2 knots
Prevailing wind direction... Grid East
Maximum wind speed.......... 36 mph or 31 knots on day 19
Maximum wind direction...... Grid East
Average vectored wind....... 058 degrees at 6.3 knots
Station Pressure:
Average pressure... 687.4 mb
Highest pressure... 692.2 mb on day 25
Lowest pressure.... 682.3 mb on day 20
Physio-altitude:
Average physio-alt = 10350 ft/ 3155 m
Highest physio-alt = 10542 ft/ 3213 m on day 20
Lowest physio-alt= 10171 ft/ 3100 m on day 25
Sky Cover:
Average cloud cover (8ths)... 5
Days clear................... 1
Days partly cloudy........... 4
Days cloudy.................. 2
Sunshine:
Sunset on 22 March 2013
Average hours per day... 16.4
Percent of possible..... 68
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.......... 21.3 mb, or 27188 meters
Highest sounding..................... 3.5 mb, or 39821 meterson day 24/00Z flight
0 soundings were missed.
**RECORDS**
Day 19: The peak wind speed of 31 knots/36 mph broke the previous record of 27 knots/31 mph set in 1988.













