Thus completes the experiment! The original snow-measuring mission was such a success that DASA (the Delaware Aeronautics and Snow Administration) greenlighted a 24-hour "extended mission" to measure melting, sublimation and wind loss.
@tommybgoode of P'unk Avenue coded this in PHP. Have a peek at the source code.
Jill's webcam is running Flix v. 3.3 and FTPDrive 3.5.
The snowflake in the graph is a photomicrograph of an actual snowflake taken by Wilson Bentley circa 1902.
In response to questions from fans on ycombinator: Jill's bucket is located near Arden, Delaware, USA.