18 May 2001 through 24 May 2001 UTC

Temperatures:
Average Temp...-64.9(C)/-84.8(F)
Maximum Temp...-51.7(C)/-61.1(F) on day 24 
Minimum Temp...-71.7(C)/-97.1(F) on day 20 

Sky Cover:
Average Sky Cover (8ths)... 1 
Days clear................. 7 
Days partly cloudy......... 0 
Days cloudy................ 0 

Sunshine:
Sunrise on 22 September 2001
Average hours/day......... 0.0
Percent of possible....... 0

Station Pressure (millibars):
Average pressure........ 680.0 mb
Highest pressure........ 683.7 mb on day 24 
Lowest pressure......... 674.2 mb on day 18 

Physio-altitude in feet and meters:
Average physio-alt = 10628 ft/ 3239 m
Highest physio-alt = 10848 ft/ 3306 m on day 18 
Lowest physio-alt  = 10489 ft/ 3197 m on day 24 

Visibility:
2 days with visibility of 1/4 mile or less.

Wind:
Average wind speed............ 11.5 mph or 10.0 kts
Maximum gust.................. 38 mph or 33 kts on day 23 
Maximum gust direction........ from Grid Northeast
Vectored wind direction....... 079 degrees
Vectored wind speed........... 7.3 kts
Prevailing direction.......... Grid East

Balloon flight data:
Number of soundings for the period... 7 
Average hgt of soundings............. 92.3 mb, or 18705 meters
Highest sounding..................... 9.7 mb, or 28349 meters
                                      on day 21/00Z flight.

 0 soundings were missed.
 5 soundings were terminated due to balloon burst.
 1 sounding was terminated due to weak or fading signal.
 1 sounding was terminated due to floating balloon.

**RECORDS**
No records were tied or broken during the week.