Weekly Climate Summary for 15 June 2001 through 21 June 2001 UTC South Pole Station, Antarctica Temperature: Average Temp... -56.8 C / -70.2 F Maximum Temp... -48.0 C / -54.4 F on day 19 Minimum Temp... -70.0 C / -94.0 F on day 21 Wind: Average wind speed.......... 16.3 mph or 14.2 knots Prevailing wind direction... Grid Northeast Maximum wind speed.......... 43 mph or 37 knots on day 19 Maximum wind direction...... Grid Northeast Average vectored wind....... 041 degrees at 13.6 knots Station Pressure: Average pressure... 681.1 mbs Highest pressure... 689.8 mbs on day 15 Lowest pressure.... 668.8 mbs on day 19 Physio-altitude: Average physio-alt = 10587 ft/ 3227 m Highest physio-alt = 11054 ft/ 3369 m on day 19 Lowest physio-alt = 10261 ft/ 3128 m on day 15 Sky Cover: Average cloud cover (8ths)... 1 Days clear................... 6 Days partly cloudy........... 1 Days cloudy.................. 0 Sunshine: Sunrise on 22 September 2001 Average hours per day... 0.0 Percent of possible..... 0 Visibility: 4 days with visibility of 1/4 mile or less. Weather: blowing snow Balloon flight data: Number of soundings for the period... 7 Average height of soundings.......... 141.0 mb, or 13575 meters Highest sounding..................... 24.6 mb, or 22326 meters on day 20/00Z flight 0 soundings were missed. 7 soundings were terminated due to balloon burst. **RECORDS** No records were tied or broken during the week.