Chart shows 1% of time readings over 80.0 dB and 50% of time over 64.1 dB and
99% of the time noise above 46.6 dB (taken as background level)
Total printout of noise results until just after noise stopped.
Start of noise readings taken ~2 metre from house wall.
High peaks where SLM was about 2-3 metres from front of car. Other reading taken 2 metres from house's front wall.
End of noise readings. That is just before and after alarm was turned off.