condition mean min max 0 h after light 0.2279 0.107765 0.348035 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 0.0578115 0.054117 0.061506 2 h after dark 0.115785 0.110946 0.120624 4 h after dark 0.0 0.0 0.0 8 h after dark 0.0 0.0 0.0 12 h after dark 0.0553155 0.0 0.110631