Coffin Brook
Coffin Brook is a tributary that drains to the eastern side of the upper basin of Kezar Lake, crossing Rt. 5 just south of West Stoneham Road. Water quality monitoring data have been collected since 2014.
water quality
water temperature
Water temperature increased at Coffin Brook from April to August and then steadily declined until retrieval in November, following closely with observed air temperature (data obtained from the Fryeburg weather station).
historical water temperature
Median annual water temperature (denoted by the solid line in the grey boxes) at Coffin Brook has remained relatively consistent since 2014. Some years have more variability in water temperature than other years.