condition mean min max 0 h after light 0.0 0.0 0.0 2 h after light 0.0634355 0.0 0.126871 4 h after light 0.0574105 0.0 0.114821 8 h after light 0.0581305 0.0 0.116261 12 h after light 0.0567485 0.0 0.113497 2 h after dark 0.05817 0.0 0.11634 4 h after dark 0.0 0.0 0.0 8 h after dark 0.0 0.0 0.0 12 h after dark 0.0 0.0 0.0