An analysis of the daily district wise rainfall data from India Meteorological Department (IMD) for the month of Aug 2024, shows that there were 717 (500 in Aug 2023; 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 572 (424/ 553/ 371 in Aug 2023, Aug 2022 and Aug 2021 respectively) instances when rainfall was 50-100 mm; 113 (67/ 98/ 48 in Aug 2023, Aug 2022 and Aug 2021 respectively) instances when it was 100-150 mm; 19 (5/ 13/ 11 in Aug 2023, Aug 2022 and Aug 2021 respectively) times it was 150-200 mm; and 13 (4/ 3/ 1 in Aug 2023, Aug 2022 and Aug 2021 respectively) instance when a district day rainfall was above 200 mm.
Continue reading “High Rainfall days in India’s districts in Aug 2024 highest in last 4 years”Tag: High Rainfall Events
June 2024: High Rainfall district days in India’s SW Monsoon Lowest in four years
An analysis of the daily district wise rainfall data from India Meteorological Department (IMD) for the month of June 2024, the first month of India’s South West Monsoon 2024 shows that there were 384 instances (451 in June 2023[i], 462 in June 2022[ii] and 442 in June 2021) when district rainfall of a day was above 50 mm. This, like the monthly rainfall for June, is the lowest figure for June for the last four years. The rainfall of India in June 2024 was 147.2 mm[iii], the rainfall in June 2023 was 148.6 mm, the rainfall of India in June 2022 was 152.3 mm[iv]. The data and analysis are based on IMD’s daily district wise rainfall bulletins for the 24 hours ending at 0830 am each day.
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High Rainfall days in India’s districts in August 2022
An analysis of the daily district wise rainfall data from India Meteorological Department (IMD) for the month of Aug 2021, 3rd month of India’s South West Monsoon 2021 shows that there were 667 (much higher than 431 in Aug 2021) instances when district rainfall of a day in a district was above 50 mm. The normal monthly rainfall of India Aug is 258.2 mm and actual rainfall was 3.5% above normal at 263.8 mm[i]. Such high rainfall instances included 553 (371 in Aug 2021) instances when rainfall was 50-100 mm, 98 (48 in Aug 2021) instances when it was 100-150 mm, 13 (11) times it was 150-200 mm and 3 (1 in Aug 2021) above 200 mm. Interestingly, in June 2022[ii] and July 2022[iii] there were 462 and 809 instances when rainfall in a district was above 50 mm. The July 2022[iv] and June 2022[v] rainfall all over India was 16.8% above normal and 8% below normal respectively.
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High Rainfall days in India’s districts in July 2022
For July 2022, an analysis of the daily district wise rainfall data from India Meteorological Department (IMD) shows that there were 809 (717 in July 2021) instances when district rainfall of a day was above 50 mm. [Considering that the normal monthly rainfall of India July is 285.3 mm, the average daily rainfall in this month is about 9.2 mm.] Such high rainfall instances included 663 (595 in July 2021) instances when rainfall was 50-100 mm, 107 (98 in July 2021) instances when it was 100-150 mm, 28 (17 in July 2021) times it was 150-200 mm and 16 (7 in July 2021) times above 200 mm. Interestingly, in June 2022[i] there were twenty seven instances when rainfall was above 200 mm, when the rainfall is supposed to be much below July rainfall. As noted in detailed article[ii], the July 2022 rainfall all over India was 16.8% above normal.
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