condition mean min max 4 h after light 0.2553185 0.154026 0.356611 8 h after light 0.3959185 0.334266 0.457571 12 h after light 0.3970865 0.336942 0.457231 4 h after dark 0.491661 0.450466 0.532856 8 h after dark 0.23247500000000001 0.200272 0.264678 12 h after dark 0.16140949999999998 0.147559 0.17526