condition mean min max 4 h after light 10.301034999999999 9.86347 10.7386 8 h after light 11.793849999999999 11.581 12.0067 12 h after light 11.913599999999999 11.0473 12.7799 4 h after dark 13.6028 13.337 13.8686 8 h after dark 10.94975 10.8338 11.0657 12 h after dark 10.984200000000001 10.7917 11.1767