condition mean min max 0 h after light 0.0 0.0 0.0 4 h after light 0.1468355 0.0 0.293671 8 h after light 0.14947100000000002 0.147342 0.1516 4 h after dark 0.2196895 0.146845 0.292534 8 h after dark 0.1479125 0.0 0.295825 12 h after dark 0.0727445 0.0 0.145489