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River Ray level at Grendon Underwood

Latest at 6:45pm on 18 December

Height
0.55m
Trend
Steady
State
Normal

Normal range 0.01m to 0.94m

Height in metres over the last 5 days

Download data CSV (12KB)

How levels here could affect nearby areas

1.86m
Water reaches the highest level recorded at this measuring station (3 June 2008)
1.68m
Property flooding is possible above this level
0.94m
Top of normal range. Low-lying land flooding possible above this level. One or more flood alerts may be issued.
0.55m
Latest level

Flooding might not happen again at the same historical levels. This may be because flood management schemes are now in place.

How we measure river, sea and groundwater levels