At 1:45am, Wednesday 9th October GMT
Within the usual range for this location
Steady, no change from previous measurement at 6:00am, Tuesday 10th 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.
(Daily Average)
Recorded on Friday 20th December
Normal flow volume
Decrease, 0.00 from previous recording on Thursday 19th December
River Colne and Frays River at West Drayton and Stanwell Moor
No current or recent warnings.
Lower River Colne and Frays River
Recent warnings or alerts no longer in force
River Thames from Datchet to Shepperton Green
No current or recent warnings.
No current or recent warnings.
River Thames at Staines and Egham
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 River Ash at Staines Ash (Downstream) is between -0.15m and 0.09m. It has been between these levels for 90% of the time since monitoring began.
The typical recent level of the River Ash at Staines Ash (Downstream) over the past 12 months has been between -0.15m and 0.00m. It has been between these levels for at least 150 days in the past year.
Monitoring locations on nearby rivers