condition mean min max 0 h after light 0.0537525 0.0 0.107505 4 h after light 0.052997 0.0 0.105994 8 h after light 0.0 0.0 0.0 4 h after dark 0.0530005 0.0 0.106001 8 h after dark 0.1592645 0.106771 0.211758 12 h after dark 0.05368 0.0 0.10736