South Pole Weather 092212 - 092812

Weekly Climate Summary for 22 September 2012 through 28 September 2012 UTC South Pole Station, Antarctica

Temperature:

Average temp... -59.5°C / -75.1°F

Maximum temp... -50.9°C / -59.6°F on day 22 Minimum temp... -72.1°C / -97.8°F on day 26

Wind:

Average wind speed.......... 10.8 mph or 9.4 knots Prevailing wind direction... Grid East Maximum wind speed.......... 29 mph or 25 knots on day 28 Maximum wind direction...... Grid North Average vectored wind....... 063 degrees at 8.5 knots

Station Pressure:

Average pressure... 680.1 mb

Highest pressure... 696.0 mb on day 22

Lowest pressure.... 672.9 mb on day 28

Physio-altitude:

Average physio-alt = 10624 ft/ 3238 m

Highest physio-alt = 10896 ft/ 3321 m on day 28 Lowest physio-alt  = 10030 ft/ 3057 m on day 22

Sky Cover:

Average cloud cover (8ths)... 4

Days clear................... 1

Days partly cloudy........... 5

Days cloudy.................. 1

Sunshine:

Sunset on 22 March 2013

Average hours per day... 14.1

Percent of possible..... 59

Visibility:

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

Balloon flight data:

Number of soundings for the week..... 7 Average height of soundings.......... 88.3 mb, or 18295 meters Highest sounding..................... 7.0 mb, or 30367 meters

                                      on day 24/00Z flight

0 soundings were missed.

**RECORDS**

No records were tied or broken this week.