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.
Continue reading “High Rainfall days in India’s districts in August 2023”