Tamil Nadu concluded its northeast monsoon season with a slight 3% rainfall deficit, receiving 42.72 cm against a normal 44.12 cm, falling within the 'normal' category. However, Tirunelveli district recorded a significant 95% rainfall surge, with 100.5 cm compared to its usual 51.4 cm. While several other districts also saw excess rainfall, some areas like Chengalpet experienced deficits. October was the wettest month, but rainfall weakened in November and December.