condition mean min max 4 h after light 0.4087386666666667 0.0 1.06542 8 h after light 0.065952 0.0 0.197856 12 h after light 0.1366861 0.0460873 0.219212 4 h after dark 0.18994476666666665 0.0808103 0.307627 8 h after dark 0.30053266666666667 0.0 0.632522 12 h after dark 0.245864 0.142071 0.322234