condition mean min max 0 h after light 0.0 0.0 0.0 2 h after light 0.02641745 0.0 0.0528349 4 h after light 0.0267945 0.0 0.053589 8 h after light 0.0 0.0 0.0 12 h after light 0.0264854 0.0 0.0529708 2 h after dark 0.0 0.0 0.0 4 h after dark 0.0 0.0 0.0 8 h after dark 0.0 0.0 0.0 12 h after dark 0.0 0.0 0.0