Cerist at Llawr Cae


Current River Level: 0.157m, falling

Within the usual range for this location

Current level recorded at 5:30am, Tuesday 26th October BST
(4:30am, Tuesday 26th October GMT)

Change from previous measurement: -0.003m
(recorded at 11:00pm, Monday 25th October BST)

The usual range of the Cerist at Llawr Cae is between 0.05m and 0.48m. It has been between these levels for 90% of the time since monitoring began.

The typical recent level of the Cerist at Llawr Cae over the past 12 months has been between 0.04m and 0.24m. It has been between these levels for at least 151 days in the past year.

The highest level ever recorded at the Cerist at Llawr Cae is 1.05m, reached on Wednesday 18th November 2009 at 8:30am.

Note that this data may not take account of recent measurements, as we wait until a level has been verified by Natural Resources Wales before adding it to our records.

  • Monitoring Station: Llawr Cae
  • Watercourse: Cerist
  • Nearest Town/Village: Mawddwy
  • Local Authority: Gwynedd
  • Ceremonial County: Gwynedd
  • Coordinates: 52°43'53"N 3°44'59"W (52.731453,-3.7499996)
  • OS Grid: SH8192816305 (,)
  • Mapcode (Local): GBR 96.0WYL
  • Mapcode (Global): WH67W.CLJV
  • Open Location Code: 9C4RP7J2+H2
  • Maidenhead Locator System: IO82dr05
  • Natural Resources Wales Location ID: 4143
  • Natural Resources Wales Gauge ID: 4143
  • Operational Area: Dyfi Upper
  • Catchment Area: Meirionnydd
  • UK Hydrometric Area: Dyfi Group

Nearby Monitoring Locations

There are no other monitoring stations on the Cerist
There are no other monitored rivers nearby
Taming the Flood by Jeremy Purseglove

Nearby Flood Warning Locations

Rivers Ebbw, Sirhowy and Lwyd
Rivers Ebbw, Sirhowy and Lwyd

No current or recent warnings.

River Cynon
River Cynon

No current or recent warnings.

Long term graphs will work better if you rotate your fondleslab into landscape mode.

Past Week

Long Term

Darker blue shaded areas on long term data indicate maximum and minimum levels for the date (you may need to zoom in closer to see them).

Long term data may have gaps where the API data was not available.

Download long term data as csv

Note: CSV data will include any outlying values that have been ignored by our graphing system as probably erroneous (eg, because they are ridiculously high compared to the values either side of them). It is your responsibility to filter these out if necessary.

Important! If you are planning to retrieve the csv data automatically, you must read and understand the limitations on the data and its availability.

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