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Will It Be Normal Monsoon This Year?

April 27, 2023 10:31 IST

The IMD defines a normal monsoon as one which delivers between 96 and 104 per cent of the 50-year average rainfall for the season.

IMAGE: Dark clouds are visible in the sky in New Delhi, April 20, 2023. Photograph: Subhav Shukla/PTI Photo

Contradictory monsoon forecasts have come in ahead of potentially the fifth straight year of normal or above normal rainfall for the country.

Private agency Skymet suggested that the rains could be below normal in 2023.

The India Meteorological Department, however, is of the view that normal rains are expected despite El Nino, a weather phenomenon which often results in weaker monsoon.

The IMD defines a normal monsoon as one which delivers between 96 and 104 per cent of the 50-year average rainfall for the season.

Rainfall has been 0.4-11.8 per cent higher than this average since 2019 (chart 1).

Rainfall between June and September accounts for about three-fourths of the country's annual precipitation.

However, despite the prevalence of sufficient rainfall, there has been a huge variation in regional rainfall patterns (chart 2).

Research suggests rainfall distribution can be affected by global warming.

Indeed, monsoon temperatures themselves have been rising in recent years (chart 3).

These larger weather shifts can affect the Indian economy because of its dependence on rain-fed agriculture.

The last available data suggests around 46 per cent of food grains are still grown on unirrigated land (chart 4).

Maharashtra, Karnataka and Rajasthan have the least irrigation coverage among major states (chart 5).

The production of foodgrains in 2022-2023 was expected to hit a record 323.6 million tonnes -- a 2.5 per cent increase over the previous year.

According to the latest estimate, rice production is estimated to have reached 130.8 million tonnes, while wheat production is expected to be around 112 million tonnes (chart 6).

 

Unseasonal rains have, however, affected crops in multiple states, including Punjab, Haryana and Uttar Pradesh.

It's important to note that agriculture accounts for 45.5 per cent of employment, according to the latest Periodic Labour Force Survey report.

It also accounts for about a fifth of the economy, which is largely dependent on rainfall.

Samreen Wani
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