condition mean min max 0 h after light 4.4171949999999995 4.10059 4.7338 4 h after light 3.1865449999999997 3.08276 3.29033 8 h after light 1.511835 1.51054 1.51313 4 h after dark 2.38238 2.30702 2.45774 8 h after dark 3.543015 3.29341 3.79262 12 h after dark 3.85797 3.65998 4.05596