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Recorded Data of the Noise Monitoring Network in April, 2005

Monitoring data in April
Station at Horta e Costa
Station at Braga
Station at Venceslau de Morais
Station at Correia Silva
Leq (24 hours)
74.7 dB(A)
65.3 dB(A)
73.5 dB(A)
66.7 dB(A)
Daytime (8H-20H)
Leq (daily Average)
76.1 dB(A)
67.2 dB(A)
75.1 dB(A)
68.6 dB(A)
Nightime (20H-8H)
Leq (daily Average)
72.4 dB(A)
61.8 dB(A)
71.0 dB(A)
63.2 dB(A)
Evening (20H - 24H)
Leq (daily Average)
74.2 dB(A)
64.1 dB(A)
73.5 dB(A)
65.9 dB(A)
Midnight (24H - 08H)
Leq (daily Average)
71.0 dB(A)
60.1 dB(A)
68.9 dB(A)
60.6 dB(A)
Leq (monthly Average)
74.7 dB(A)
65.4 dB(A)
73.5 dB(A)
66.7 dB(A)

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