Our 2011 launch was completed Saturday, May 21st, and summary data is listed below.
Payload A launched at 22:51 UTC, reached a maximum altitude of 19786 meters, total flight time was 90 minutes, and time after landing till the payload was retrieved was 30 minutes. The lowest temperature recorded was -51 degrees Celsius. The lowest barometric pressure recorded was 53 mBar.
Payload B launched at 18:54 UTC, reached a maximum altitude of 34730 meters, total flight time is unavailable and time after landing till the payload was recovered is unavailable as the payload was not recovered. The lowest temperature recorded was -53 degrees Celsius. The lowest barometric pressure recorded was 17 Torr. Please be aware that there is somewhat more uncertainty in the dataset for Payload B as the radio data link was lost shortly into decent and the payload was not recovered, so data stored onboard is unavailable.