condition mean min max 4 h after light 355.236106 332.773609 377.698603 8 h after light 246.21159 223.924364 268.498816 12 h after light 220.6248415 210.248395 231.001288 4 h after dark 179.596192 155.431582 203.760802 8 h after dark 118.821774 74.536824 163.106724 12 h after dark 216.799049 216.799049 216.799049