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Rainfall during August and September is likely to be 104% of the LPA

Indian Meteorological Department

Indian Meteorological Department (IMD) reported that the rainfall during the season’s second half (August-September) will likely be 100% of LPA with a model error of +/-8%, and for the season as a whole 96% (+/-4%). The Monsoon precipitation intensified in July, allowing overall rainfall to be 104% of the benchmark Long Period Average (LPA) for the month and further acceleration in farming activities.

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Key-Points

Long Period Average is the average rainfall recorded during the months from June to September, calculated during the 50-year period, and is kept as a benchmark while forecasting the quantitative rainfall for the monsoon season every year.

IMD maintains an independent LPA for every homogeneous region of the country, which ranges from 71.6 cm to 143.83 cm.

This year increased rainfall is attributed to the commencement of La Nina like conditions by the second half of the monsoon season.

IMD maintains five rainfall distribution categories on an all-India scale. These are:

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