condition mean min max 3 h after light 0.0 0.0 0.0 6 h after light 0.0 0.0 0.0 9 h after light 1.4159566666666665 0.0 3.10558 12 h after light 0.0 0.0 0.0 3 h after dark 1.4248366666666668 0.0 2.62406 6 h after dark 0.0 0.0 0.0 9 h after dark 0.321295 0.0 0.963885 12 h after dark 0.0 0.0 0.0