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River Ray at Islip: level & flow

River gauge in England

0.47m³/s
16.7 cfs · gauge 6.792 m · what is cfs?
Measured · provisional
Normal for the dateRising
24 hours
–
7 days
0 m³/s
Normal for Oct 23 ?
1.08 m³/s
Water temp ?
Not measured

At a glance · Oct 23

About normal

The River Ray at Islip is flowing within its normal range for Oct 23.

  • This week↗ Rising 0.32 m³/s

Compared with this gauge's own records for the same date. A statistical guide, not advice.

Today compared with past years on Oct 23

Usual range (10th–90th percentile): 0.15–5.06 m³/sNormal (25th–75th percentile): 0.26–2.83 m³/sToday: 0.47 m³/sToday 0.47 m³/sMedian 1.0810th90th25th75th
Usual range (10th–90th percentile): 0.15–5.06 m³/sNormal (25th–75th percentile): 0.26–2.83 m³/sToday: 0.47 m³/sToday 0.47 m³/sMedian 1.0810th90th25th75th
Ratio scale: equal steps are equal multiples, because flow varies so much.

Flow today against this gauge's percentiles for the date (27 years). A statistical guide, not advice.

Angling level guide

A statistical guide from this gauge's own history: "low" is below the 25th percentile for Oct 23, "high" above the 75th, "good" in between. It is not advice: check conditions on the bank, local club rules and any flood warning.

What this means

Flow is below the Oct 23 median of 1.08 m³/s (27 years of data).

The highest annual peak on record is 23.4 m³/s (Dec 29, 2020).

Flow chart

Loading chart…

Measured Normal range for the date (middle 50% of past years)

Flood status

No Environment Agency flood warning or alert is in force for this gauge's area right now.

Flood warnings in England come from the Environment Agency, not from this website. Official service: Check for flooding (GOV.UK).

Records

Highest annual peak flow
23.4 m³/s (Dec 29, 2020)
Highest annual peak stage
9.327 m (Apr 10, 1998)
Lowest daily flow, last 5 years
0.15 m³/s (Oct 18, 2026)
Normal range for Oct 23
0.26 m³/s – 2.83 m³/s (27 years)