condition mean min max 4 h after light 0.0303887 0.0 0.0911661 8 h after light 0.014210533333333332 0.0 0.0426316 12 h after light 0.0746546 0.0 0.134591 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