27 April 2001 through 3 May 2001 UTC

Temperatures:
Avg Temp...-60.7(C)/-77.3(F)
Max Temp...-54.1(C)/-65.4(F) on day 1 
Min Temp...-72.5(C)/-98.5(F) on day 28 

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

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

Station Pressure (millibars):
Avg pressure........ 674.6 mb
Highest pressure.... 685.2 mb on day 1 
Lowest pressure..... 663.0 mb on day 27 

Physio-altitude in feet and meters:
Average physio-alt = 10833 ft/ 3302 m
Highest physio-alt = 11276 ft/ 3437 m on day 27 
Lowest physio-alt  = 10433 ft/ 3180 m on day 1 

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

Wind:
Avg wind speed............ 13.3 mph or 11.5 kts
Max gust.................. 32 mph or 28 kts on day 30 
Max gust direction........ from Grid North
Vectored wind direction... 055 degrees
Vectored wind speed....... 9.5 kts
Prevailing direction...... Grid North

Balloon flight data:
Number of soundings for the period... 7 
Avg hgt of soundings................. 124.5 mb, or 13941 meters
Highest sounding..................... 76.0 mb, or 16075 meters
                                      on day 28/00Z flight.

 0 soundings were missed.
 4 soundings were terminated due to balloon burst.
 3 soundings were terminated due to flight equipment failure.

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