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2.1 District wise Annual Average Rainfall (in mm.)

Sl. No.

District

Normal

1998

1999

2000

2001

2002

2003

2004

1

2

3

4

5

6

7

8

9

10

1

Thiruvananthapuram

1955

2080

1927

1501

2101

1505

1567

1911

2

Kollam

2729

2523

2886

2353

2432

2104

2025

2427

3

Pathanamthitta

3087

3128

3380

2685

2907

2400

2575

2922

4

Alappuzha

3025

3108

3104

2638

2748

2478

2328

2804

5

Kottayam

3047

3371

2957

2412

3078

2634

2780

2910

6

Idukki

3946

3833

4247

3226

3686

3361

3152

3835

7

Eranakulam

3250

3317

3053

2658

3587

3018

2593

3201

8

Thrissur

3097

3315

2767

2074

2761

2569

2248

2928

9

Palakkad

2363

2407

2122

1831

1970

1833

1728

2227

10

Malappuram

2560

3019

2852

2191

2508

2200

2206

2644

11

Kozhikode

3185

3392

2819

2529

2646

2845

2274

3333

12

Wayanad

3622

2438

2231

2344

1983

2098

1915

2608

13

Kannur

3375

3484

3037

2918

2944

3087

2865

3370

14

Kasaragod

3480

3778

3235

3152

3854

3174

3064

3157

Source: Meteorological Department 

2.2 District wise monthly Rainfall 2001 to 2004

2001                                                                                                                                        (in mm.)

Sl. No.

District

January

February

March

April

May

June

July

August

September

October

November

December

Annual

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

1

Thiruvananthapuram

36

21

5

120

201

264

324

196

478

250

179

27

2101

2

Kollam

61

62

15

166

219

407

368

284

255

355

233

7

2432

3

Pathanamthitta

68

47

17

202

190

565

579

302

268

356

299

14

2907

4

Alappuzha

45

37

13

132

319

597

490

250

346

352

151

16

2748

5

Kottayam

24

39

7

125

240

696

613

312

316

419

263

74

3078

6

Idukki

14

18

26

144

209

869

970

512

297

412

195

20

3686

7

Eranakulam

15

62

0

133

326

1067

770

337

262