condition mean min max 0 h after light 0.0957527 0.0732394 0.118266 2 h after light 0.0 0.0 0.0 4 h after light 0.01794785 0.0 0.0358957 8 h after light 0.03774665 0.0376749 0.0378184 12 h after light 0.0 0.0 0.0 2 h after dark 0.0 0.0 0.0 4 h after dark 0.01759815 0.0 0.0351963 8 h after dark 0.0794415 0.0 0.158883 12 h after dark 0.0187968 0.0 0.0375936