condition mean min max 0 h after light 0.0 0.0 0.0 4 h after light 0.0238739 0.0 0.0477478 8 h after light 0.07325355 0.0479126 0.0985945 4 h after dark 0.02387545 0.0 0.0477509 8 h after dark 0.0 0.0 0.0 12 h after dark 0.023655 0.0 0.04731