condition mean min max 4 h after light 0.0 0.0 0.0 8 h after light 0.048264 0.0 0.144792 12 h after light 0.21690666666666666 0.0 0.45393 4 h after dark 0.0 0.0 0.0 8 h after dark 0.0 0.0 0.0 12 h after dark 0.04885766666666667 0.0 0.146573