Anne, here is the previous posts on this topic. When searching, you need to move the start date back a year or two in the upper left hand corner of the Search window. You are corect that Hook's reply might seem "testy".
Dick
[Hits: 0] That gives cloud cover, there are several other forum posts about it you can read: https://www.iflygps.com/Support/Forum/forumid/14/threadid/43252/scope/posts