At 12:00pm, Tuesday 3rd September GMT
Within the usual range for this location
Falling, -0.050 from previous measurement at 10:00am, Tuesday 3rd September GMT
Warning: This data is stale! For some reason, we have not been able to obtain updated levels for over 24 hours. The current displayed level is probably incorrect and you should not rely on it.
No current or recent warnings.
Recent warnings or alerts no longer in force
No current or recent warnings.
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 csvNote: 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.
Please note: Geographic coordinates may reflect the access point for the gauge, and not the precise location in the watercourse that it is taking readings from.
The usual range of the Elwy at St Asaph is between 0.96m and 2.05m. It has been between these levels for 90% of the time since monitoring began.
The typical recent level of the Elwy at St Asaph over the past 12 months has been between 0.94m and 2.38m. It has been between these levels for at least 150 days in the past year.
The highest level ever recorded at the Elwy at St Asaph is 4.35m, reached on Tuesday 27th November 2012 at 10:30am.
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 locations on nearby rivers
