condition mean min max 0 h after light 0.04446675 0.0 0.0889335 2 h after light 0.0222729 0.0 0.0445458 4 h after light 0.0 0.0 0.0 8 h after light 0.02287405 0.0 0.0457481 12 h after light 0.0253791 0.0 0.0507582 2 h after dark 0.0 0.0 0.0 4 h after dark 0.04354655 0.0427383 0.0443548 8 h after dark 0.0 0.0 0.0 12 h after dark 0.0 0.0 0.0