condition mean min max 4 h after light 0.03696795 0.0 0.0739359 8 h after light 0.080744 0.0 0.161488 12 h after light 0.117755 0.0 0.23551 4 h after dark 0.0 0.0 0.0 8 h after dark 0.0 0.0 0.0 12 h after dark 0.022945300000000002 0.0 0.0688359