9 February 2001 through 15 February 2001 UTC Temperatures: Avg Temp...-41.6(C)/-42.9(F) Max Temp...-35.2(C)/-31.4(F) on day 15 Min Temp...-45.4(C)/-49.7(F) on day 13 Sky Cover: Avg Sky Cover (8ths)... 4 Days clear............. 1 Days partly cloudy..... 4 Days cloudy............ 2 Sunshine: Sunset on 22 March 1998 Avg hours/day......... 22.1 Percent of possible... 92 Station Pressure (millibars): Avg pressure........ 691.5 mb Highest pressure.... 697.2 mb on day 14 Lowest pressure..... 686.8 mb on day 12 Physio-altitude in feet and meters: Average physio-alt = 10197 ft/ 3108 m Highest physio-alt = 10373 ft/ 3162 m on day 12 Lowest physio-alt = 9986 ft/ 3044 m on day 14 Visibility: 0 days with visibility of 1/4 mile or less. Wind: Avg wind speed............... 9.8 mph or 8.5 kts Max gust..................... 20 mph or 17 kts on day 9 Max gust direction........... from Grid North Vectored wind direction...... 062 degrees Vectored wind speed.......... 7.3 kts Prevailing direction......... Grid Northeast Balloon flight data: Number of soundings for the period... 14 Avg hgt of soundings................. 15.8 mb Highest sounding..................... 4.8 mb, or 36725 meters on day 11/00Z flight. 0 soundings were missed. 14 soundings were terminated due to balloon burst. **RECORDS** No records were tied or broken during the week.