f: Wet climate. Precipitations occur every month of the year. No dry season.
D: Cold moderate climate. Coldest month average temperature of the coldest month < -3°C. Hottest month average temperature > 10°C. The summer seasons and winter seasons are well defined.
b: moderate summer . Average temperature of the hottest month < 22°C. The 4 hottest months average temperatures > 10°C.
Dfb - Cold, moderate, wet climate with moderate summers.