condition mean min max 0 h after light 22.44095 22.1642 22.7177 4 h after light 11.96735 11.1873 12.7474 8 h after light 10.370765 8.35623 12.3853 4 h after dark 13.93225 12.647 15.2175 8 h after dark 19.48275 18.9556 20.0099 12 h after dark 17.090600000000002 15.8383 18.3429