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Rainfall

District-wise Seasonal and Annual Rainfall, 2019,  2022 and 2024:

(in mm)

2024

District/State

Winter

Pre-Monsoon

SW-Monsoon

Post-Monsoon

Annual

Gangtok

35.717

558.35

2087.3

262.85

2944.22

Gyalshing

21.8

339.02

2210.7

245.33

2816.88

Mangan

129.33

477.96

2054.6

229.53

2891.38

Namchi

5.4

272.8

1879.8

218.33

2376.32

Pakyong

3.9

353.09

1677.1

217.67

2251.75

Soreng

 

 

2058

114.5

 

Sikkim

87.881

439.65

2039.9

226.67

2799.16

2022

District/State

Winter

Pre-Monsoon

SW-Monsoon

Post-Monsoon

Annual

East Sikkim

65.7

671.9

1714.5

167.0

2619.0

North Sikkim

259.9

1091.3

2257.2

423.3

4031.6

South Sikkim

52.4

328.5

1327.1

108.4

1816.3

West Sikkim

37.4

334.6

1703.7

88.3

2163.9

Sikkim

175.3

829.9

1995.0

300.5

3300.7

2019

District/State

Winter

Pre-Monsoon

SW-Monsoon

Post-Monsoon

Annual

East Sikkim

51.3

734.4

1743.3

84.8

2613.8

North Sikkim

118.4

835.1

2030.6

123.5

3107.6

South Sikkim

63.9

517.5

1342.9

128.7

2052.9

West Sikkim

37.2

388.6

1457.4

69.6

1952.9

Sikkim

90.3

714.6

1825.1

110

2740

Source: Rainfall Statistics of India 2019, 2022 and 2024

Percentage Departure of District-wise Seasonal and Annual Rainfall, 2019, 2022 and 2024:

2024

District/State

Winter

Pre-Monsoon

SW-Monsoon

Post- Monsoon

Annual

% Dep

% Dep

% Dep

% Dep

% Dep

Gangtok

-50%

-39%

-4%

24%

-13%

Gyalshing

-47%

-12%

23%

55%

18%

Mangan

3%

-25%

33%

15%

15%

Namchi

-84%

-33%

12%

139%

8%

Pakyong

-88%

-13%

5%

103%

5%

Soreng

 

 

14%

-28%

 

Sikkim

-13%

-28%

22%

23%

9%

2022

District/State

Winter

Pre-Monsoon

SW-Monsoon

Post-Monsoon

Annual

East Sikkim

27%

2%

-9%

5%

-5%

North Sikkim

85%

54%

35%

94%

47%

South Sikkim

57%

-19%

-21%

19%

-18%

West Sikkim

-15%

-3%

13%

-38%

6%

Sikkim

73%

36%

19%

63%

28%

2019

District/State

Winter

Pre-Monsoon

SW-Monsoon

Post-Monsoon

Annual

East Sikkim

-30%

16%

-1%

-54%

-2%

North Sikkim

-9%

25%

36%

-48%

23%

South Sikkim

-44%

-19%

-35%

-40%

-32%

West Sikkim

-20%

8%

-8%

-57%

-10%

Sikkim

0.36%

-0.15%

-0.05%

0.09%

-0.06%

Source: Rainfall Statistics of India 2019, 2022 and 2024

 

District-wise Monthly Rainfall, 2019, 2022 and 2024:

(in mm)

2024

District/State

JAN

FEB

MAR

APR

MAY

JUN

JUL

AUG

SEP

OCT

NOV

DEC

Gangtok

12.8

23.0

98.0

156.9

303.5

684.4

12.8

12.8

12.8

12.8

12.8

12.8

Gyalshing

7.2

14.6

99.9

78.2

160.9

590.3

7.2

7.2

7.2

7.2

7.2

7.2

Mangan

32.4

96.9

119.3

213.0

145.6

808.2

32.4

32.4

32.4

32.4

32.4

32.4

Namchi

3.5

1.9

126.3

51.6

94.9

645.3

3.5

3.5

3.5

3.5

3.5

3.5

Pakyong

1.5

2.4

129.8

65.6

157.7

508.5

1.5

1.5

1.5

1.5

1.5

1.5

Soreng

 

 

 

 

 

533.0

 

 

 

 

 

 

Sikkim

22.8

65.0

116.3

166.5

156.9

727.0

22.8

22.8

22.8

22.8

22.8

22.8

2022

District/State

JAN

FEB

MAR

APR

MAY

JUN

JUL

AUG

SEP

OCT

NOV

DEC

East Sikkim

13.1

52.6

74.9

264.5

332.5

557.9

347.2

421.0

388.3

164.0

2.8

0.3

North Sikkim

85.2

174.6

146.2

480.2

464.9

739.6

331.6

506.0

680.1

409.0

6.7

7.5

South Sikkim

5.4

47.1

79.6

75.5

173.5

365.0

286.6

323.4

352.1

108.4

0.0

0.0

West Sikkim

7.3

30.1

60.1

96.1

178.4

452.4

352.5

407.6

491.3

87.7

0.6

0.0

Sikkim

54.3

121.0

115.4

345.3

369.2

628.4

332.3

459.1

575.2

291.5

4.5

4.5

2019

District/State

JAN

FEB

MAR

APR

MAY

JUN

JUL

AUG

SEP

OCT

NOV

DEC

East Sikkim

2.1

49.2

102.1

203

429.4

384.7

657.7

363.9

337

70.1

3.2

11.5

North Sikkim

25.7

92.7

236.2

155.3

443.7

531.4

588

351.4

559.8

88.7

8.5

26.3

South Sikkim

5.6

58.3

73.1

202.7

241.8

221.7

503.4

164.8

453

109.3

5.3

14.1

West Sikkim

4

33.2

40

176.5

172.1

147.3

640.8

315

354.3

49.1

2.5

18

Sikkim

16.8

73.5

168.7

170.2

375.8

415.8

597.1

327.4

484.8

81.9

6.5

21.7

Source: Rainfall Statistics of India 2019, 2022 and 2024

 

Year-wise and Month-wise East District Rainfall, 2009 to 2022:

Year

January

February

March

April

May

June

R/F

% Dep.

R/F

% Dep.

R/F

% Dep.

R/F

% Dep.

R/F

% Dep.

R/F

% Dep.

2009

5.7

-87

4.2

-95

87.3

-36

251.7

24

335.4

-1

355.4

-37

2010

5.7

-87

18.0

-78

186.7

80

359.4

98

272.7

-17

504.6

-15

2011

21.6

-36

40.5

-28

68.5

11

14.7

-17

278.8

-4

515.9

11

2012

17.8

-47

21.5

-62

28.4

-54

312.2

78

201.6

-31

614.4

32

2013

4.3

-87

32.1

-43

127.7

107

256.1

46

409.0

40

382.6

-18

2014

0

-100

5.4

-90

68.2

11

96.7

-45

441.4

51

472.7

2

2015

7.4

-78

17.4

-69

73.3

19

270.3

54

387.8

33

603.1

30

2016

15.2

-55

7.4

-87

125.3

103

220.4

26

338.7

16

391.1

-16

2017

7.7

-77

9.0

-84

112.3

82

266.1

52

315.7

8

318.3

-31

2018

0.6

-98

24.9

-56

113.0

83

268.5

53

302.7

4

456.0

-2

2019

2.1

-92

49.2

2

102.1

27

203.0

-9

429.4

29

384.7

-19

2020

39.9

60

29.5

-39

121.7

52

164.9

-26

205.7

-38

476.5

0

2021

16.0

-36

21.9

-54

92.3

15

158.2

-29

354.4

7

543.2

14

2022

13.1

-24

52.6

52

74.9

-7

264.5

16

332.5

-5

557.9

14

Continued

Year

July

August

September

October

November

December

R/F

% Dep.

R/F

% Dep.

R/F

% Dep.

R/F

% Dep.

R/F

% Dep.

R/F

% Dep.

2009

408.6

-29

454.1

-12

180.1

-51

201.6

5

1.7

-96

5.4

-81

2010

601.0

-10

493.8

-13

375.8

-12

95.6

-42

23.6

-20

0.1

-100

2011

587.3

15

459.1

4

376.7

6

44.9

-71

60.8

230

2.3

-88

2012

481.3

-5

442.2

0

410.9

15

72.4

-53

0.1

-99

1.0

-95

2013

412.1

-19

325.1

-26

195.5

-45

191.8

24

40.7

121

7.9

-59

2014

478.7

-6

522.3

18

273

-23

16.7

-89

2.4

-87

4.2

-78

2015

561.0

10

284.7

-35

316.1

-11

99.6

-36

55.8

203

1.0

-95

2016

569.1

12

213.3

-52

348.2

-2

98.2

-37

0.1

-99

0.4

-98

2017

485.7

-5

400.6

-9

274.5

-23

83.3

-46

6.5

-65

0.0

-100

2018

408.9

-20

442.6

0

279.5

-22

44.5

-71

11.4

-38

23.7

22

2019

657.7

33

363.9

-18

337

-4

70.1

-52

3.2

-87

11.5

-29

2020

683.2

38

515.9

16

538.5

54

55.3

-62

0.1

-99

19.1

17

2021

468.7

-5

542.7

22

242.4

-31

327.2

126

5.4

-78

22.6

39

2022

347.2

-38

421.0

-11

388.3

7

164.0

31

2.8

-88

0.3

-97

Note: The district rainfall in millimetres (R/F) shown the arithmetic averages of Rainfall of Stations under the District.

% Dep. are the Departures of rainfall from the long period averages of rainfall for the district.

Blank spaces show non-availability of Data

Source: ENVIS Centre, Sikkim

Year-wise and Month-wise North District Rainfall, 2010 to 2022 :

Year

January

February

March

April

May

June

R/F

% Dep.

R/F

% Dep.

R/F

% Dep.

R/F

% Dep.

R/F

% Dep.

R/F

% Dep.

2010

 

 

 

 

 

 

 

 

424.9

21

582.8

8

2011

31.8

-48

72.4

-26

79.7

-60

150.3

-37

190.8

-46

393.8

-22

2012

96.4

56

39.5

-60

208.3

4

365.3

53

139.7

-61

599.2

19

2013

9.6

-84

62.8

-36

120.8

-39

200.5

-16

615.5

73

313.6

-38

2014

0

-100

29.8

-70

163

-18

194.4

-18

417

17

651.6

30

2015

22.0

-64

34.0

-65

180.6

-9

239.4

0

498.4

40

796.4

58

2016

81.8

33

34.9

-65

306.8

54

226.7

-5

383.7

8

548

9

2017

7.7

-77

9.0

-84

112.3

82

266.1

52

315.7

8

318.3

-31

2018

15.2

-75

66.4

-33

216.2

8

221.0

-7

397.3

12

584.2

16

2019

25.7

-37

92.7

3

236.2

39

155.3

-25

443.7

52

531.4

29

2020

83.1

104

25.2

-72

155.0

-9

343.7

67

375.0

28

993.7

140

2021

31.9

-22

64.5

-28

263.1

55

336.7

64

488.2

67

528.1

28

2022

85.2

78

174.6

69

146.2

-17

480.2

121

464.9

47

739.6

59

Continued

Year

July

August

September

October

November

December

R/F

% Dep.

R/F

% Dep.

R/F

% Dep.

R/F

% Dep.

R/F

% Dep.

R/F

% Dep.

2010

531.6

10

599.1

30

329.1

6

106.7

-52

111.8

131

11.2

-65

2011

442.8

-10

397.2

-7

261.5

-33

126.8

-52

68.8

58

12.4

-45

2012

595.9

22

316.2

-26

785.4

102

302.4

14

0.0

-100

17.5

-22

2013

530.2

8

301.8

-30

310.3

-20

226.7

-14

82.4

89

10.4

-54

2014

605.1

24

629.8

47

297.5

-24

36.7

-86

25.2

-42

13.6

-39

2015

393.6

-20

664.7

55

320.2

-18

102.8

-61

59.0

36

37.5

67

2016

487.3

0

301.6

-30

638.1

64

139.8

-47

0.0

-100

0.0

-100

2017

485.7

-5

400.6

-9

274.5

-26

83.3

-46

6.5

-6.5

0.0

-100

2018

688.2

41

510.8

19

751.9

93

203.5

-23

68.9

58

15.1

-33

2019

588.0

41

351.4

-5

559.8

91

88.7

-51

8.5

-75

26.3

21

2020

818.9

97

467.2

26

409.7

40

220.9

21

23.5

-32

17.2

-21

2021

531.2

28

565.6

53

316.1

8

302.7

66

25.2

-27

34.3

58

2022

331.6

-26

506

22

680.1

99

409

151

6.7

-81

7.5

-63

Note: The district rainfall in millimetres (R/F) shown the arithmetic averages of Rainfall of Stations under the District.

% Dep. are the Departures of rainfall from the long period averages of rainfall for the district.

Blank spaces show non-availability of Data

Source: ENVIS Centre, Sikkim

Year-wise and Month-wise South District Rainfall, 2010 to 2022:

Year

January

February

March

April

May

June

R/F

% Dep.

R/F

% Dep.

R/F

% Dep.

R/F

% Dep.

R/F

% Dep.

R/F

% Dep.

2010

 

 

 

 

 

 

 

 

130.0

-60

346.7

-41

2011

11.5

-66

5.4

-90

90.4

47

117

-33

152.7

-48

308.5

-34

2012

10.1

-70

3.6

-94

9.1

-85

122

-31

187.5

-36

367.2

-21

2013

4.0

-88

25.7

-54

66.2

7

111

-37

263.8

-10

288.4

-38

2014

0

-100

5.6

-90

54.6

-12

10

-94

164.7

-44

279.3

-40

2015

2.4

-93

9.2

-84

74.4

21

155.0

12

269.9

-7

394.8

-15

2016

15.2

-55

2.1

-96

30.5

-51

30.4

-83

234.8

-19

384.2

-17

2017

5.6

-83

0.0

-100

69.0

12

147.9

-16

229.0

-21

156.7

-66

2018

2.9

-91

14.5

-74

78.5

27

153.4

-13

224.7

-23

372.6

-20

2019

5.6

-85

58.3

-24

73.1

-39

202.7

-3

241.8

-22

221.7

-58

2020

21.9

-40

31.6

-59

70.4

-42

135.0

-35

200.4

-36

556

5

2021

2.6

-93

14.4

-81

35.3

-71

74.4

-64

258.2

-17

352.8

-33

2022

5.4

-56

47.1

122

79.6

50

75.5

-42

173.5

-22

365

-55

Continued

Year

July

August

September

October

November

December

R/F

% Dep.

R/F

% Dep.

R/F

% Dep.

R/F

% Dep.

R/F

% Dep.

R/F

% Dep.

2010

547.4

-18

378.8

-33

528.7

24

93.1

-44

0.2

-99

0.0

-100

2011

663.3

30

513.4

16

318.2

-11

13.9

-91

28.6

55

1.0

-95

2012

372.1

-27

359.7

-18

385.1

8

16.9

-89

0.0

-100

0.0

-100

2013

297.8

-41

339.6

-23

189.2

-47

141.5

-9

2.2

-88

13.5

-30

2014

391.1

-23

651.4

48

353.5

-1

44.1

-71

0

-100

1.6

-92

2015

625.8

23

377.3

-14

448.5

26

84.0

-46

30.0

63

3.8

-80

2016

629.2

24

175.1

-60

359.9

1

127.6

-18

0.0

-100

1.8

-91

2017

497.5

-2

373.0

-15

425.2

19

75.2

-51

7.0

-62

0.0

-100

2018

400.3

-21

416.2

-6

363.5

-2

34.1

-78

0.0

-100

26.2

35

2019

503.4

-16

164.8

-70

453.0

16

109.3

-36

5.3

-79

14.1

-22

2020

929.6

55

679.7

23

766.2

97

47.2

-72

0.0

-100

10.2

-43

2021

421.9

-30

412.0

-26

153.2

-61

211.5

23

0.9

-96

22.8

27

2022

286.6

-44

323.4

-214

352.1

-5

108.4

42

0.0

-100

0.0

-100

Note: The district rainfall in millimetres (R/F) shown the arithmetic averages of Rainfall of Stations under the District.

% Dep. are the Departures of rainfall from the long period averages of rainfall for the district.

Blank spaces show non-availability of Data

Source: ENVIS Centre, Sikkim

Year-wise and Month-wise West District Rainfall, 2011 to 2022:

Year

January

February

March

April

May

June

R/F

% Dep.

R/F

% Dep.

R/F

% Dep.

R/F

% Dep.

R/F

% Dep.

R/F

% Dep.

2011

 

 

 

 

 

 

 

 

 

 

 

 

2012

16.0

-74

5.0

-95

21.0

-89

126.0

-47

240.0

-32

486.0

-3

2013

8.0

-87

43.0

-56

79.0

-60

155.0

-35

354.0

0

241.0

-52

2014

0

-100

1.3

-99

41.3

-79

59.8

-75

204

-43

543.3

8

2015

7.0

-89

23.5

-76

38.5

-81

121.0

-49

240.5

-32

446.6

-11

2016

11.2

-82

4.5

-95

70.0

-65

84.5

-65

234.5

-34

401.7

-20

2017

 

 

 

 

 

 

77.1

-68

181.7

-49

278.0

-45

2018

2.9

-95

18.5

-81

39.5

-80

105.8

-56

194.8

-45

335.2

-33

2019

4.0

-79

33.2

23

40.0

-28

176.5

63

172.1

-12

147.3

-59

2020

20.9

7

21.3

-21

36.4

-35

58.3

-46

116.0

-40

299.6

-17

2021

6.1

-69

21.9

-18

57.0

2

45.5

-58

266.4

37

394.0

10

2022

7.3

-60

30.1

18

60.1

10

96.1

-8

178.4

-4

452.4

33

Continued

Year

July

August

September

October

November

December

R/F

% Dep.

R/F

% Dep.

R/F

% Dep.

R/F

% Dep.

R/F

% Dep.

R/F

% Dep.

2011

85.5

-83

449.0

5

241.0

-38

57.0

-78

38.0

-13

6.0

-73

2012

376.0

-23

520.0

21

548.0

41

81.0

-69

0.0

-100

10.0

-55

2013

583.0

19

459.2

7

374.5

-4

153.0

-42

3.2

-93

8.7

-61

2014

204.7

-58

439

3

109

-72

66.5

-75

6

-86

1.7

-92

2015

351.0

-28

273.0

-36

466.5

20

56.0

-79

1.0

-98

4.0

-82

2016

501.5

2

176.7

-59

585.1

50

110.5

-58

0.0

-100

0.0

-100

2017

642.4

31

602.6

41

602.1

55

69.2

-74

6.2

-86

0.0

-100

2018

548.8

12

555.7

30

200.1

-49

45.5

-83

0.0

-100

14.3

-36

2019

640.8

30

315.0

-24

354.3

9

49.1

-61

2.5

-89

18.0

36

2020

438.2

-11

245.2

-41

277.0

-15

63.7

-50

0.0

-100

6.7

-49

2021

554.1

13

401.3

-3

255.8

-30

334.9

163

3.9

-83

22.7

72

2022

352.5

-26

407.6

4

491.3

61

87.7

-20

0.6

-97

0.0

-100

Note: The district rainfall in millimetres (R/F) shown the arithmetic averages of Rainfall of Stations under the District.

% Dep. are the Departures of rainfall from the long period averages of rainfall for the district.

Blank spaces show non-availability of Data

Source: ENVIS Centre, Sikkim