condition mean min max 0 h after light 0.123187 0.0 0.246374 2 h after light 0.0 0.0 0.0 4 h after light 0.0 0.0 0.0 8 h after light 0.1526635 0.0 0.305327 12 h after light 0.0 0.0 0.0 2 h after dark 0.0 0.0 0.0 4 h after dark 0.094719 0.0 0.189438 8 h after dark 0.0 0.0 0.0 12 h after dark 0.0 0.0 0.0