condition mean min max 0 h after light 0.054718 0.0 0.109436 4 h after light 0.0556545 0.0 0.111309 8 h after light 0.0 0.0 0.0 4 h after dark 0.0 0.0 0.0 8 h after dark 0.3783745 0.322767 0.433982 12 h after dark 0.0 0.0 0.0