Rainfall/ Precipitation in Chennai, Tamil Nadu, India
- Chennai, Tamil Nadu is endowed with on average 1541 mm (60.7 in) of rainfall per year, or 128.4 mm (5.1 in) per month.
- On average there are 91 days per year with more than 0.1 mm (0.004 in) of rainfall (precipitation) or 7.6 days with a quantity of rain, sleet, snow etc. per month.
- The driest weather is in March when an average of 4 mm (0.2 in) of rainfall (precipitation) occurs.
- The wettest weather is in November when an average of 409 mm (16.1 in) of rainfall (precipitation) occurs.
Chennai flood affected areas map
Tamil Nadu Rains
- 1218.6 mm is the amount of rainfall Chennai city has received so far in November. (as on November 30, 2015 at 8:30 am IST), which is three times its monthly rainfall. The normal rainfall figures for November stand at 407.4 mm.
- 10 days is all it took for Chennai to cross its monthly rainfall average for November.
- 345 mm of rain recorded by Chennai in 24 hours on December 1. The city’s normal rainfall for December stands at 191 mm. Not only this, Chennai has also broken over a 100-year-old 24 hour rainfall record.
Tamil Nadu flood affected areas map
Tamil Nadu Floods Scenario
- 4 lakh is the number of people who were shifted to relief camps by the state government.
- 587 locations flooded.
- 70,000 people rescued so far.
- More than 250 deaths reported in the state till date.
District wise daily / seasonal rainfall distribution for Tamil Nadu & Puducherry |
Date : 01.10.2015 TO 09.12.2015 RAIN FALL 2015 |
Name |
Actual in MM |
Normal in MM |
ARIYALUR |
669.4 |
470.6 |
CHENNAI |
1612.1 |
708.6 |
COIMBATORE |
331.7 |
305.1 |
CUDDALORE |
1215.6 |
603.2 |
DHARMAPURI |
445.0 |
308.5 |
DINDIGUL |
467.3 |
384.0 |
ERODE |
391.9 |
293.7 |
KANCHEEPURAM |
1808.6 |
577.5 |
KANYAKUMARI |
712.1 |
461.8 |
KARUR |
358.2 |
288.7 |
KRISHNAGIRI |
441.0 |
272.2 |
MADURAI |
395.7 |
381.2 |
NAGAPATTINAM |
1339.0 |
786.5 |
NAMAKKAL |
308.3 |
275.6 |
NILGIRIS |
550.5 |
436.6 |
PERAMBALUR |
524.1 |
391.0 |
PUDUKOTTAI |
551.1 |
352.0 |
RAMANATHAPURAM |
495.8 |
422.1 |
SALEM |
481.1 |
344.3 |
SIVAGANGA |
420.2 |
369.7 |
THANJAVUR |
664.8 |
474.7 |
THENI |
382.7 |
327.0 |
TIRUNELVELI |
907.0 |
403.1 |
TIRUPPUR |
344.3 |
290.2 |
TIRUVALLUR |
1468.5 |
532.3 |
TIRUVANNAMALAI |
589.5 |
406.4 |
TIRUVARUR |
939.3 |
606.5 |
TOOTHUKUDI |
544.7 |
373.7 |
TIRUCHIRAPALLI |
438.8 |
350.6 |
VELLORE |
745.3 |
319.4 |
VILLUPURAM |
920.2 |
436.8 |
VIRUDHUNAGAR |
454.6 |
379.3 |
Name |
Actual in MM |
Normal in MM |
KARAIKAL |
1291.8 |
855.1 |
PUDUCHERRY |
1552.1 |
727.8 |
District wise daily / seasonal rainfall distribution for Tamil Nadu & Puducherry
Date : 09.12.2015 RAIN FALL 2015
Name |
Actual in MM |
Normal in MM |
ARIYALUR |
5.4 |
8.1 |
CHENNAI |
6.9 |
10.2 |
COIMBATORE |
0.5 |
3.7 |
CUDDALORE |
8.8 |
7.5 |
DHARMAPURI |
3.6 |
4.1 |
DINDIGUL |
3.9 |
3.4 |
ERODE |
0.6 |
3.2 |
KANCHEEPURAM |
10.7 |
9.8 |
KANYAKUMARI |
20.5 |
3.1 |
KARUR |
2.4 |
3.1 |
KRISHNAGIRI |
0.8 |
3.0 |
MADURAI |
1.1 |
2.1 |
NAGAPATTINAM |
62.1 |
12.1 |
NAMAKKAL |
0.8 |
2.1 |
NILGIRIS |
8.6 |
3.4 |
PERAMBALUR |
0.9 |
7.1 |
PUDUKOTTAI |
31.2 |
3.2 |
RAMANATHAPURAM |
9.5 |
2.5 |
SALEM |
1.1 |
5.7 |
SIVAGANGA |
9.2 |
1.8 |
THANJAVUR |
30.1 |
6.5 |
THENI |
0.4 |
2.1 |
TIRUNELVELI |
19.5 |
3.2 |
TIRUPPUR |
0.6 |
1.4 |
TIRUVALLUR |
1.1 |
5.7 |
TIRUVANNAMALAI |
0.8 |
4.9 |
TIRUVARUR |
32.0 |
8.8 |
TOOTHUKUDI |
6.2 |
1.6 |
TIRUCHIRAPALLI |
7.4 |
4.0 |
VELLORE |
0.0 |
4.8 |
VILLUPURAM |
1.0 |
6.1 |
VIRUDHUNAGAR |
0.7 |
2.5 |
Name |
Actual in MM |
Normal in MM |
KARAIKAL |
35.4 |
16.8 |
PUDUCHERRY |
7.1 |
6.0 |
Helpline Numbers are as follows:
Emergency Toll Free Number: 1910
State Emergency: 1070
District Emergency: 1077
Electricity:1912
Fire & Rescue: 101
Ambulance: 108
Sewage overflow – 45674567, 22200335, Tree fall, waterlogging – 1913
Other Helpline Numbers:
Tiruvottiyur: 09445190001, Manali: 09445190002; Madhavaram: 9445190003, Ambattur: 9445190007; Tondiarpet: 9445190004, Royapuram: 9445190005; Annanagar: 9445190008, Teynampet: 9445190009, Alandur: 9445190012, Adyar: 9445190013, Perungudi: 9445190014.
Flood Control Room: 28593990, 044-28410577,9445869843/47
Scoure: www.imd.gov.in |