June 10th, 2004 - Data collection starts at Willow

June 28th, 2004 - Data collection starts at Pine

July 23rd to 30th, 2004 - Collected data from Washington State University SF6 sensor (hydra sampling)

July 29th, 2004 - Data collection starts at Aspen

Sep 9th, 2004 - Hydra inlets reconfigured; 0.5, 2, and 4 m inlets along transect

Sep 10th, 2004 - Hydra sampling changed during morning/evening transitions

Sep 17th, 2004 - Hydra inlets reconfigured again; out to 260 m

Oct 4th, 2004 - Data collection ends at Aspen and Willow

Oct 5th, 2004 - Data collection ends at Pine