Rainfall

High Rainfall days in India’s districts in August 2023

An analysis of the daily district wise rainfall data from India Meteorological Department (IMD) for the month of Aug 2023, shows that there were 500 (667 in Aug 2022[i] and 431 in Aug 2021) instances when district rainfall of a day in a district was above 50 mm. Such high rainfall instances included 424 (553 in Aug 2022 and 371 in Aug 2021) instances when rainfall was 50-100 mm, 67 (98 in Aug 2022 and 48 in Aug 2021) instances when it was 100-150 mm, 5 (13 in Aug 2022 and 11 in Aug 2021) times it was 150-200 mm and 4 (3 in Aug 2022 and 1 in Aug 2021) above 200 mm. Interestingly, in June 2023[ii] and July 2023[iii] there were 451 and 855 instances when rainfall was above 50 mm, while in June 2022[iv] and July 2022[v] there were 462 and 809 instances when rainfall in a district was above 50 mm. The July 2023[vi] and June 2023[vii] rainfall over India was 13.1% above normal and 10.1% below normal respectively, while the July 2022[viii] and June 2022[ix] rainfall all over India was 16.8% above normal and 8% below normal respectively.

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