According to Koeppen's classification of climatic regions 'Cs' indicates?

• Koeppen's classification of climatic regions :
  • Koeppen identified a close relationship between the distribution of vegetation and climate.
  • He selected certain values of temperature and precipitation and related them to the distribution of vegetation and used these values for classifying the climates.
  • It is an empirical classification based on mean annual and mean monthly temperature and precipitation data.
  • He introduced the use of capital and small letters to designate climatic groups and types.
•  Climatic Groups According to Koeppen :

[ alt="climagro" src="//storage.googleapis.com/tb-img/production/20/11/climagro.PNG" style="width: 500px; height: 173px;">

• Climatic Types According to Koeppen :
  

[ alt="climtype" src="//storage.googleapis.com/tb-img/production/20/11/climtype.PNG" style="width: 500px; height: 290px;">