condition mean min max 4 h after light 0.0 0.0 0.0 8 h after light 0.023113766666666664 0.0 0.0693413 12 h after light 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