condition mean min max 4 h after light 0.01341315 0.0 0.0268263 8 h after light 0.1428845 0.10999 0.175779 12 h after light 0.04272535 0.0 0.0854507 4 h after dark 0.0 0.0 0.0 8 h after dark 0.053589 0.0 0.160767 12 h after dark 0.09025623333333334 0.0 0.220817