condition mean min max 0 h after light 0.06361 0.0 0.12722 4 h after light 0.1923435 0.125432 0.259255 8 h after light 0.0 0.0 0.0 4 h after dark 0.06272 0.0 0.12544 8 h after dark 0.0 0.0 0.0 12 h after dark 0.0 0.0 0.0