condition mean min max 0 h after light 0.0 0.0 0.0 2 h after light 0.0 0.0 0.0 4 h after light 0.0 0.0 0.0 8 h after light 0.0 0.0 0.0 12 h after light 1.79463 0.0 3.58926 2 h after dark 0.0 0.0 0.0 4 h after dark 1.717395 0.0 3.43479 8 h after dark 0.0 0.0 0.0 12 h after dark 0.0 0.0 0.0