condition mean min max 4 h after light 2.042345 1.63006 2.45463 8 h after light 1.5343 1.38157 1.68703 12 h after light 2.0009300000000003 1.68059 2.32127 4 h after dark 2.09527 1.94167 2.17694 8 h after dark 1.330905 0.976065 1.72854 12 h after dark 1.8961566666666667 1.81698 1.93649