condition mean min max 3 h after light 0.0 0.0 0.0 7 h after light 0.0156285 0.0 0.187542 11 h after light 0.0 0.0 0.0 2 h after dark 0.0 0.0 0.0 6 h after dark 0.0 0.0 0.0 10 h after dark 0.012154916666666666 0.0 0.145859