Fair-weather a. : Made or done in pleasant weather, or in circumstances involving but little exposure or sacrifice; as, a fair-weather voyage.

Fair-weather a. : Appearing only when times or circumstances are prosperous; as, a fair-weather friend.

Example:
Now that the 10 year storm is over, will the fair weather bring back the Cardinal fan base?

Taxonomy
Fair Weather, Natural Sinner, Lay It on Me, free encyclopedia, Looking for the Red Label, Bum, Dennis Byron, Clive Taylor, Neil Jones, band, Fairweather, Amen Corner, Beginning From An End, Pt. 2, Road to Freedom, Hush, Biography, Tutti Frutti.

Defination from the web:
Fair Weather was a British rock band formed in 1970 by former Amen Corner guitarist and vocalist, Andy Fairweather-Low. They are best known for their track, "Natural Sinner" ... None charted and Fair Weather disbanded in 1971. ...