Noise

20 dB Ticking watch
30 dB Quiet whisper
40 dB Refrigerator hum
50 dB Rainfall
60 dB Sewing machine, normal conversation
66 dB Hens, inside a poultry operation
70 dB Washing machine
80 dB Alarm clock (2 feet away), garbage disposal
83 dB Roosters crowing inside poultry operation.
85 dB Average Traffic, vacuum cleaner
90 dB Busy urban street, food blender, diesel truck
95 dB MRI
100 dB Blow dryer, subway train, motorcycle
105 dB Power mower, Chainsaw
110 dB Screaming child, car horn @1 meter.
120 dB Rock concert, thunderclap
130 dB Jackhammer, jet plane (100 feet away)

Sources:
American Tinnitus assoc.
DangerousDecibels.org
BC agriculture
http://www.agf.gov.bc.ca/poultry/publications/documents/noise.pdf