condition mean min max 0 h after light 0.068319 0.0 0.136638 2 h after light 0.0118749 0.0 0.0237498 4 h after light 0.0322412 0.0 0.0644824 8 h after light 0.06545675 0.0435273 0.0873862 12 h after light 0.0482942 0.0 0.0965884 2 h after dark 0.0 0.0 0.0 4 h after dark 0.0105504 0.0 0.0211008 8 h after dark 0.01189675 0.0 0.0237935 12 h after dark 0.0217167 0.0 0.0434334