condition mean min max 3 h after light 0.0 0.0 0.0 6 h after light 0.042148333333333336 0.0 0.126445 9 h after light 0.0 0.0 0.0 12 h after light 0.048183000000000004 0.0 0.144549 3 h after dark 0.0 0.0 0.0 6 h after dark 0.0 0.0 0.0 9 h after dark 0.0 0.0 0.0 12 h after dark 0.057249 0.0 0.171747