luke-4.py

with open('kilma_data_blindern.txt', 'r') as f:
    data = [fields for fields 
            in [l.strip().split() for l in f.readlines()] 
            if len(fields) >= 2
            if fields[1][3:5] == "12"]

    print min(data, key=lambda x: float(x[3].replace(",", ".")))[1]