Average rainfall (mm) month wise rainfall details at Noyyal river basin

Month	Coimbatore	Palladam	Tiruppur	Perunthurai	Erode
January	13	10	14	14	14
February	9	6	6	11	13
March	16	9	13	14	17
April	53	45	57	45	49
May	60	75	82	95	90
June	39	14	20	29	38
July	52	19	27	41	49
August	35	23	43	68	87
September	51	49	62	94	96
October	155	152	163	160	174
November	129	112	115	108	104
December	42	434	40	37	38
Total	655	560	643	715	772