condition mean min max 0 h after light 0.0 0.0 0.0 2 h after light 0.0 0.0 0.0 4 h after light 0.2582375 0.253601 0.262874 8 h after light 0.0 0.0 0.0 12 h after light 0.1387905 0.129921 0.14766 2 h after dark 0.0 0.0 0.0 4 h after dark 0.0 0.0 0.0 8 h after dark 0.0 0.0 0.0 12 h after dark 0.066399 0.0 0.132798