condition mean min max 4 h after light 71.069463 68.413068 73.725858 8 h after light 81.487462 79.322288 83.652636 12 h after light 73.4337635 66.369688 80.497839 4 h after dark 64.367895 55.766873 72.968917 8 h after dark 67.156576 65.075246 69.237906 12 h after dark 74.584078 74.584078 74.584078