Weather

SOUTH POLE
WEEKLY WEATHER SUMMARY
Dec 22 - Dec 28, 2012, South Pole Station, Antarctica
Temperature:
Average temp... -23.9°C / -11.0°F
Maximum temp... -21.1°C / -6.0°F on day 25
Minimum temp... -26.6°C / -15.9°F on day 23
Wind:
Average wind speed.......... 8.5 mph or 7.4 knots
Prevailing wind direction... Grid Northwest
Maximum wind speed.......... 26 mph or 23 knots on day 22
Maximum wind direction...... Grid Northwest
Average vectored wind....... 027 degrees at 3.4 knots
Station Pressure:
Average pressure... 697.1 mb
Highest pressure... 701.5 mb on day 26
Lowest pressure.... 690.3 mb on day 28
Physio-altitude:
Average physio-alt = 9990 ft/ 3045 m
Highest physio-alt = 10242 ft/ 3122 m on day 28
Lowest physio-alt=9827 ft/ 2995 m on day 26
Sky Cover:
Average cloud cover (8ths)... 5
Days clear................... 1
Days partly cloudy........... 3
Days cloudy.................. 3
Sunshine:
Sunset on 22 March 2013
Average hours per day... 12.6
Percent of possible..... 53
Visibility:
1 day with visibility of 1/4 mile or less.
Balloon flight data:
Number of soundings for the week..... 14
Average height of soundings.......... 26.8 mb, or 25578 meters
Highest sounding..................... 10.2 mb, or 31848 meterson day 28/00Z flight
0 soundings were missed.
**RECORDS**
No records were tied or broken this week.













