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Geography
Key terms
Peak rainfall

GCSE Geography · key term

Peak rainfall

Definition

The highest rainfall value shown for a recording interval during a storm.

Used by Edexcel

How each exam board covers it

Edexcel GCSE Geography A · 1GA0

Specification 1.10 · Paper 1

Revise: Storm Hydrographs

Edexcel Geography A past papers

Exam tips

1
Measure lag time from peak rainfall to peak discharge, not from the start of the storm.

Related key terms

Base flow
Discharge
Falling limb
Lag time
Peak discharge

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Peak rainfall — Edexcel GCSE Geography A Definition | GradeGen

Storm hydrograph