condition mean min max 4 h after light 207.743137 204.817304 210.66897 8 h after light 213.433225 201.539749 225.326701 12 h after light 236.525811 231.465831 241.585791 4 h after dark 238.1722235 197.462826 278.881621 8 h after dark 275.6759095 242.663789 308.68803 12 h after dark 221.442751 221.442751 221.442751