condition mean min max 0 h after light 3.213485 0.0 6.42697 2 h after light 3.720825 2.61498 4.82667 4 h after light 2.34356 0.0 4.68712 8 h after light 19.68275 12.5692 26.7963 12 h after light 31.2314 4.307 58.1558 2 h after dark 42.3863 27.9144 56.8582 4 h after dark 6.54585 0.0 13.0917 8 h after dark 57.703500000000005 45.3436 70.0634 12 h after dark 20.2583 10.2907 30.2259