d = [{'points': 50, 'time': '5:00', 'year': 2010}, 
     {'points': 25, 'time': '6:00', 'month': "february"}, 
     {'points':90, 'time': '9:00', 'month': 'january'}, 
     {'points_h1':20, 'month': 'june'}]

df = pd.DataFrame(d)