Rainfall

High Rainfall days in India’s districts in SW Monsoon 2025

An analysis of the daily district wise rainfall data from India Meteorological Department (IMD) for India’s South West Monsoon 2025 (June-Sept rainfall was 937.2 mm, 8% above normal) shows that there were 2224 (2555 in 2024 SW Monsoon) instances when a district rainfall of a day was above 50 mm. Out of 738 districts of India, 510 districts or, about 69% of the districts experienced such high rainfall days during SW monsoon 2025.

Such high rainfall instances included 1920 instances when rainfall was 50-100 mm, 247 instances when it was 100-150 mm, 38 times it was 150-200 mm and 19 times above 200 mm.

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Rainfall

High Rainfall days in India’s districts in July 2025

An analysis of the daily district wise rainfall data from India Meteorological Department (IMD) for July 2025 shows that there were 718 (down from 914 in July 2024, 855 in July 2023, 809 in July 2022 and almost same as 717 in July 2021) instances when district rainfall of a day was above 50 mm. Such high rainfall instances included 635 (down from 730 in July 2024, 660 in July 2023, 663 in July 2022, up from 595 in July 2021) instances when rainfall was 50-100 mm, 75 (143 in July 2024, 149 in July 2023, 107 in July 2022, 98 in July 2021) instances when it was 100-150 mm, 7 (27 in July 2024, 34 in July 2023, 28 in July 2022, 17 in July 2021) times when it was 150-200 mm and  just 1 (14 in July 2024, 12 in July 2023, 16 in July 2022 and 7 in July 2021) time when rainfall in July 2025 when rainfall was above 200 mm.

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Rainfall

High Rainfall days in India’s districts in Sept 2024: Highest numbers in East India

An analysis of the daily district wise rainfall data from India Meteorological Department (IMD) for the month of September 2024, the last month of India’s South West Monsoon 2024 shows that there were 546 (406 in Sept 2023[i], 417 in Sept 2022[ii] and 489 in Sept 2021[iii]) instances when district rainfall of a day was above 50 mm. Such high rainfall instances included 438 (330, 365 and 374 in Sept 2023, Sept 2022 and 2021 respectively) instances in Sept 2024 when rainfall was 50-100 mm, 73 (64, 47 and 84 in Sept 2023, Sept 2022 and 2021 respectively) instances in Sept 2024 when it was 100-150 mm, 30 (10, 3 and 20 in Sept 2023, Sept 2022 and 2021 respectively) times in Sept 2024 when it was 150-200 mm and 5 (2, 2 and 11 in Sept 2023, Sept 2022 and 2021 respectively) instances in Sept 2024 when rainfall in a day was above 200 mm.

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Rainfall

SW Monsoon 2024: District wise rainfall in India

In the just concluded South West Monsoon 2024, India received 934.8 mm (820 mm in SW Monsoon 2023, 925 mm in SW Monsoon 2022[i]) rainfall, about 107.6% (94.45 % in 2023, 106.5% in 2022) of the Normal SW Monsoon rainfall of 868.6 mm as per India Meteorological Department (IMD). This rainfall is categorised as above normal rainfall.  

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