condition mean min max 4 h after light 577.6034515 426.397256 728.809647 8 h after light 668.5475455000001 637.851023 699.244068 12 h after light 486.643062 368.935183 604.350941 4 h after dark 282.284364 210.644364 353.924364 8 h after dark 202.5860235 197.93999 207.232057 12 h after dark 199.293901 199.293901 199.293901