Monsoon · Rainfall

High Rainfall days in India’s districts in June 2021

An analysis of the daily district wise rainfall data from India Meteorological Department (IMD) for the month of June 2021, the first month of India’s South West Monsoon 2021 shows that there were 442 instances when district rainfall of a day was above 50 mm, which is high considering that the normal monthly rainfall of India in this month is 166.9 mm, or daily average rainfall is about 5.6 mm. Such high rainfall instances included 371 instances when rainfall was 50-100 mm, 59 instances when it was 100-150 mm, 5 times it was 150-200 mm and 7 times above 200 mm. As noted in detailed article, the June 2021 rainfall all over India was 11% above normal.

Out of 694 districts of India, 219 districts or about a third of the districts experienced this. There were some districts that had more than one such high rainfall days in June 2021. The highest number of such instances were seen in Konkan region of Maharashtra, where for the seven districts that belong to this meteorological sub division, there were 42 instances when rainfall was above 50 mm. Assam was close second with 46 instances among its 27 districts.

Among the five regions of India (North, South, East, West and North East), East India had the highest number of such instances (129), followed by North East India (120). North India had the least such instances at 15, the monsoon had not yet arrived in most states of North by the end of June 2021.

North East India

StateDistricts that had over 50 mm rainfall at least on one day in June 2021 (Total no of districts)No of district days when rainfall 50-100 mmNo of district days when Rainfall 100-150 mmNo of district days when Rainfall 150-200No of district days when Rainfall over 200 mmTotal no of district days when rainfall over 50 mm
Arunachal Pradesh8 (16)1731021
Assam16 (27)35101046
Meghalaya6 (7)1792331
Nagaland2 (11)20002
Manipur4 (9)1200012
Mizoram2 (8)20002
Tripura1 (4)10001
Sikkim4 (4)50005
North East India43 (86)912243120

East India

StateDistricts that had over 50 mm rainfall at least on one day in June 2021 (Total no of districts)No of district days when rainfall 50-100 mmNo of district days when Rainfall 100-150 mmNo of district days when Rainfall 150-200No of district days when Rainfall over 200 mmTotal no of district days when rainfall over 50 mm
W Bengal14 (19)1880026
Odisha6 (30)70007
Jharkhand13 (24)1500015
Bihar27 (38)3820242
Uttar Pradesh29 (74)3531039
East India89 (185)1131312129

North India

State/ Union TerritoryDistricts that had over 50 mm rainfall at least on one day in June 2021 (Total no of districts)No of district days when rainfall 50-100 mmNo of district days when Rainfall 100-150 mmNo of district days when Rainfall 150-200No of district days when Rainfall over 200 mmTotal no of district days when rainfall over 50 mm
Uttarakhand10 (13)1210013
Haryana1 (22)10001
Chandigarh0 (1)00000
Delhi0 (9)00000
Punjab0 (22)00000
Himachal Pradesh1 (12)10001
Jammu & Kashmir0 (20)00000
Ladakh0 (2)00000
North India12 (101)1410015

West India

StateDistricts that had over 50 mm rainfall at least on one day in June 2021 (Total no of districts)No of district days when rainfall 50-100 mmNo of district days when Rainfall 100-150 mmNo of district days when Rainfall 150-200No of district days when Rainfall over 200 mmTotal no of district days when rainfall over 50 mm
Rajasthan0 (33)00000
Madhya Pradesh9 (51)1210013
Diu Daman1 (2)01001
Gujarat3 (34)30003
Dadra Nagarhaveli1 (1)10001
Goa2 (2)950014
Maharashtra10 (36)40150257
Chhattisgarh11 (27)1200012
West India37 (186)772202101

South India

StateDistricts that had over 50 mm rainfall at least on one day in June 2021 (Total no of districts)No of district days when rainfall 50-100 mmNo of district days when Rainfall 100-150 mmNo of district days when Rainfall 150-200No of district days when Rainfall over 200 mmTotal no of district days when rainfall over 50 mm
Andhra Pradesh0 (13)00000
Telangana16 (33)2000020
Tamil Nadu0 (38)00000
Puducherry1 (4)30003
Karnataka9 (20)2700027
Kerala9 (14)2300023
Lakshadweep0 (1)00000
Andaman & Nicobar3 (3)31004
South India38 (136)7610077

INDIA

RegionDistricts that had over 50 mm rainfall at least on one day in June 2021 (Total no of districts)No of district days when rainfall 50-100 mmNo of district days when Rainfall 100-150 mmNo of district days when Rainfall 150-200No of district days when Rainfall over 200 mmTotal no of district days when rainfall over 50 mm
North East43 (86)912243120
East89 (185)1131312129
North12 (101)1410015
West37 (186)772202101
South38 (136)7610077
INDIA219 (694)3715957442

SANDRP (ht.sandrp@gmail.com)

Leave a Reply

Fill in your details below or click an icon to log in:

WordPress.com Logo

You are commenting using your WordPress.com account. Log Out /  Change )

Google photo

You are commenting using your Google account. Log Out /  Change )

Twitter picture

You are commenting using your Twitter account. Log Out /  Change )

Facebook photo

You are commenting using your Facebook account. Log Out /  Change )

Connecting to %s

This site uses Akismet to reduce spam. Learn how your comment data is processed.