condition mean min max 4 h after light 438.4143675 389.409238 487.419497 8 h after light 407.9632715 386.30898 429.617563 12 h after light 455.992382 440.63315 471.351614 4 h after dark 480.2884815 474.539749 486.037214 8 h after dark 565.254492 551.449827 579.059157 12 h after dark 369.821556 369.821556 369.821556