condition mean min max 3 h after light 62.938966666666666 49.5956 73.8907 6 h after light 34.8988 25.6085 40.792 9 h after light 25.8463 14.3624 33.4691 12 h after light 35.766225 24.4692 51.8231 3 h after dark 30.997333333333334 28.2811 35.5742 6 h after dark 46.2794 38.1286 51.6599 9 h after dark 55.57073333333334 46.4377 62.0394 12 h after dark 58.7101 57.2861 60.1341