condition mean min max 3 h after light 0.0 0.0 0.0 6 h after light 0.0 0.0 0.0 9 h after light 0.0293186 0.0 0.0879558 12 h after light 0.0 0.0 0.0 3 h after dark 0.03588533333333333 0.0 0.107656 6 h after dark 0.0 0.0 0.0 9 h after dark 0.0 0.0 0.0 12 h after dark 0.0 0.0 0.0