From the official NHL release:
LIGHTNING'S PALAT NAMED NHL ROOKIE OF THE MONTH FOR JANUARY
Palat edged Lightning center Tyler Johnson (7-7--14 in 15 games), Colorado Avalanche center Nathan MacKinnon (9-4--13 in 14 games), Minnesota Wild goaltender Darcy Kuemper (6-2-1, 2.15 goals-against average, .932 save
Palat registered points in the first five games of the month, extending his point streak to eight games (4-6--10, Dec. 23 to Jan. 9) -- the longest ever by a Lightning rookie. He also tallied points in five consecutive games at the end of the month (2-7--9, Jan. 19-30).
Named to the Czech Republic team for the 2014 Olympic Winter Games in Sochi, Palat leads NHL rookie forwards in plus-minus (+20) and ranks second in average ice time per game (17:14). The 22-year-old also ranks third among all rookies in assists (20) and fourth in points (11-20--31).
Palat joins San Jose Sharks forward Tomas Hertl (October), Nashville Predators goaltender Marek Mazanek (November), Los Angeles Kings goaltender Martin Jones (December co-winner) and Chicago Blackhawks goaltender Antti Raanta (December co-winner) as recipients of the award this season.