condition mean min max 4 h after light 11.063794000000001 10.669166 11.458422 8 h after light 11.2922345 11.197735 11.386734 12 h after light 10.134682000000002 9.324215 10.945149 4 h after dark 10.0940905 10.085015 10.103166 8 h after dark 11.583473 11.195284 11.971662 12 h after dark 9.491963 9.491963 9.491963