condition mean min max 3 h after light 0.0205615 0.0 0.0380915 6 h after light 0.0391516 0.0210393 0.0713196 9 h after light 0.005983966666666667 0.0 0.0179519 12 h after light 0.006346366666666666 0.0 0.0190391 3 h after dark 0.0 0.0 0.0 6 h after dark 0.0 0.0 0.0 9 h after dark 0.011756 0.0 0.035268 12 h after dark 0.0075682 0.0 0.0227046