condition mean min max 0 h after light 1.08497 0.0 2.16994 2 h after light 0.0 0.0 0.0 4 h after light 2.16593 2.12704 2.20482 8 h after light 1.120485 0.0 2.24097 12 h after light 0.0 0.0 0.0 2 h after dark 0.0 0.0 0.0 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