condition mean min max 0 h after light 0.0833105 0.0 0.166621 4 h after light 0.16672900000000002 0.163986 0.169472 8 h after light 0.0 0.0 0.0 4 h after dark 0.0819985 0.0 0.163997 8 h after dark 0.165189 0.0 0.330378 12 h after dark 0.0 0.0 0.0