WEATHER AND CLIMATE
Weather :
Weather is the day to day state of atmosphere and partains to short-term changes in conditions of heat, moisture, and air movement.
Or,
The state of atmosphere that prevails at a particular locality at a specific moment, is called weather of that locality for that moment.
Climate :
The state of atmosphere over a period of time (20-30 years) is known as “Climate”, and it is an aggregation of the weather conditions during the periods. It is the sum total, average, extremes, variability and fluctuations of the various atmosphic conditions like temperature, rainfall, wind etc.
Or,
The Process of exchange of energy and mass between the earth and the atmosphere over a long period of time result in conditions which are termed as climate.
Difference between weather and climate
| Weather | Climate |
| 1. Definition | 1. Definition |
| 2. Growth, development and yield is governed by weather | 2. Vegetation of an area is governed by climate |
| 3. Daily agricultural operations (land preparation, seed sowing, fertilizer application) are greatly influenced by weather | 3. The whole cultivation procedure of a crop is determined by climate |
| 4. Degree of insect infestation and disease infection are determined by weather | 4. Occurrence of insects and disease are determined by climate. |