corey dierdorf will have more. >>> i'm dan shaffer. >> good morning, i'm deiah riley. we're discussing the return of astronaut mark kelly. >> yesterday, we showed you his return to earth after 340 days in space. about two hours ago, he landed back in houston, texas. after getting off the plane, who hadn't seen him in more than a year. >> kelly remarked that his mission must not be america's last great adventure into space. >> this mission is the latest achievement in our country's space program, but it's not the last. there will be more. it's in our dna of our country to explore, and we must never stop doing this. we must lead, must learn, and must discover. >> kelly will now undergo tests in houston as nasa works to determine the effect long-term space flight has on the human body. >>> ivan carrara joins us now. >> reporter: -- ivan cabrera joins us now. >> absolutely. that compares to yesterday where we had high humidity where temps were well into the 60s. temps move through quietly as the next one will for the most running anywhere from 5 to 16 degrees cooler than y