condition mean min max 4 h after light 16.485987 15.795591 17.176383 8 h after light 14.5350965 14.236971 14.833222 12 h after light 14.844162 14.357291 15.331033 4 h after dark 14.7042395 14.430287 14.978192 8 h after dark 14.540327 14.247432 14.833222 12 h after dark 14.431006 14.431006 14.431006