condition mean min max 3 h after light 0.0 0.0 0.0 6 h after light 0.047190333333333334 0.0 0.141571 9 h after light 0.0 0.0 0.0 12 h after light 0.022412 0.0 0.089648 3 h after dark 0.06721433333333333 0.0 0.129 6 h after dark 0.0179051 0.0 0.0287701 9 h after dark 0.0 0.0 0.0 12 h after dark 0.0857845 0.0 0.171569