condition mean min max 0 h after light 43.9186 42.2156 45.6216 4 h after light 18.318199999999997 15.6817 20.9547 8 h after light 23.9514 21.0752 26.8276 4 h after dark 26.061 22.1332 29.9888 8 h after dark 28.286 23.9996 32.5724 12 h after dark 32.54875 26.4902 38.6073