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Recorded Data of the Noise Monitoring Network in September, 2005

Monitoring data in September
Station at Horta e Costa
Station at Braga
Station at Venceslau de Morais
Station at Correia Silva
Leq (24 hours)
74.3 dB(A)
68.4 dB(A)
73.3 dB(A)
66.7 dB(A)
Daytime (8H-20H)
Leq (daily Average)
75.9 dB(A)
70.8 dB(A)
74.9 dB(A)
68.8 dB(A)
Nightime (20H-8H)
Leq (daily Average)
71.9 dB(A)
61.8 dB(A)
70.8 dB(A)
62.6 dB(A)
Evening (20H - 24H)
Leq (daily Average)
73.8 dB(A)
63.8 dB(A)
73.2 dB(A)
64.8 dB(A)
Midnight (24H - 08H)
Leq (daily Average)
70.5 dB(A)
60.0 dB(A)
68.8 dB(A)
60.7 dB(A)
Leq (monthly Average)
74.3 dB(A)
68.9 dB(A)
73.3 dB(A)
66.8 dB(A)

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