condition mean min max 0 h after light 3.35403 2.98429 3.72377 2 h after light 2.585465 2.58192 2.58901 4 h after light 2.7091950000000002 2.59287 2.82552 8 h after light 3.25124 3.07028 3.4322 12 h after light 4.954549999999999 4.8001 5.109 2 h after dark 6.309675 5.02752 7.59183 4 h after dark 6.015435 5.67139 6.35948 8 h after dark 6.28713 6.02669 6.54757 12 h after dark 3.9002299999999996 3.69237 4.10809