condition mean min max 0 h after light 0.529586 0.529114 0.530058 4 h after light 1.0625499999999999 0.93902 1.18608 8 h after light 1.1174545 0.942259 1.29265 4 h after dark 4.27146 3.32581 5.21711 8 h after dark 3.08642 2.83772 3.33512 12 h after dark 0.884477 0.528404 1.24055